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EP2420175B1 - Lave-vaisselle doté d'un programme de rinçage adaptable manuellement - Google Patents

Lave-vaisselle doté d'un programme de rinçage adaptable manuellement Download PDF

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Publication number
EP2420175B1
EP2420175B1 EP11176807.3A EP11176807A EP2420175B1 EP 2420175 B1 EP2420175 B1 EP 2420175B1 EP 11176807 A EP11176807 A EP 11176807A EP 2420175 B1 EP2420175 B1 EP 2420175B1
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EP
European Patent Office
Prior art keywords
pump
cycle
sequence
pumping
wash
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
EP11176807.3A
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German (de)
English (en)
Other versions
EP2420175B2 (fr
EP2420175A2 (fr
EP2420175A3 (fr
Inventor
Helmut Jerg
Andreas Reiter
Michael Georg Rosenbauer
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
BSH Hausgeraete GmbH
Original Assignee
BSH Hausgeraete GmbH
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Application filed by BSH Hausgeraete GmbH filed Critical BSH Hausgeraete GmbH
Priority to PL11176807.3T priority Critical patent/PL2420175T5/pl
Publication of EP2420175A2 publication Critical patent/EP2420175A2/fr
Publication of EP2420175A3 publication Critical patent/EP2420175A3/fr
Application granted granted Critical
Publication of EP2420175B1 publication Critical patent/EP2420175B1/fr
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    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
    • A47L15/00—Washing or rinsing machines for crockery or tableware
    • A47L15/0018—Controlling processes, i.e. processes to control the operation of the machine characterised by the purpose or target of the control
    • A47L15/0021—Regulation of operational steps within the washing processes, e.g. optimisation or improvement of operational steps depending from the detergent nature or from the condition of the crockery
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
    • A47L15/00—Washing or rinsing machines for crockery or tableware
    • A47L15/0002—Washing processes, i.e. machine working principles characterised by phases or operational steps
    • A47L15/0005—Rinsing phases, e.g. pre-rinsing, intermediate rinsing, final rinsing
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
    • A47L15/00—Washing or rinsing machines for crockery or tableware
    • A47L15/0002—Washing processes, i.e. machine working principles characterised by phases or operational steps
    • A47L15/0007—Washing phases
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
    • A47L15/00—Washing or rinsing machines for crockery or tableware
    • A47L15/0002—Washing processes, i.e. machine working principles characterised by phases or operational steps
    • A47L15/0013—Drying phases, including dripping-off phases
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
    • A47L15/00—Washing or rinsing machines for crockery or tableware
    • A47L15/0018—Controlling processes, i.e. processes to control the operation of the machine characterised by the purpose or target of the control
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
    • A47L15/00—Washing or rinsing machines for crockery or tableware
    • A47L15/0018—Controlling processes, i.e. processes to control the operation of the machine characterised by the purpose or target of the control
    • A47L15/0049—Detection or prevention of malfunction, including accident prevention
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
    • A47L2301/00—Manual input in controlling methods of washing or rinsing machines for crockery or tableware, i.e. information entered by a user
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
    • A47L2301/00—Manual input in controlling methods of washing or rinsing machines for crockery or tableware, i.e. information entered by a user
    • A47L2301/04—Operation mode, e.g. delicate washing, economy washing, reduced time, sterilizing, water softener regenerating, odor eliminating or service
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
    • A47L2301/00—Manual input in controlling methods of washing or rinsing machines for crockery or tableware, i.e. information entered by a user
    • A47L2301/08—Other manual input
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
    • A47L2401/00—Automatic detection in controlling methods of washing or rinsing machines for crockery or tableware, e.g. information provided by sensors entered into controlling devices
    • A47L2401/02—Consumable products information, e.g. information on detergent, rinsing aid or salt; Dispensing device information, e.g. information on the type, e.g. detachable, or status of the device
    • A47L2401/023—Quantity or concentration of the consumable product
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
    • A47L2501/00—Output in controlling method of washing or rinsing machines for crockery or tableware, i.e. quantities or components controlled, or actions performed by the controlling device executing the controlling method
    • A47L2501/01—Water supply, e.g. opening or closure of the water inlet valve
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
    • A47L2501/00—Output in controlling method of washing or rinsing machines for crockery or tableware, i.e. quantities or components controlled, or actions performed by the controlling device executing the controlling method
    • A47L2501/03—Water recirculation, e.g. control of distributing valves for redirection of water flow
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
    • A47L2501/00—Output in controlling method of washing or rinsing machines for crockery or tableware, i.e. quantities or components controlled, or actions performed by the controlling device executing the controlling method
    • A47L2501/05—Drain or recirculation pump, e.g. regulation of the pump rotational speed or flow direction
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
    • A47L2501/00—Output in controlling method of washing or rinsing machines for crockery or tableware, i.e. quantities or components controlled, or actions performed by the controlling device executing the controlling method
    • A47L2501/06—Water heaters
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
    • A47L2501/00—Output in controlling method of washing or rinsing machines for crockery or tableware, i.e. quantities or components controlled, or actions performed by the controlling device executing the controlling method
    • A47L2501/07—Consumable products, e.g. detergent, rinse aids or salt
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
    • A47L2501/00—Output in controlling method of washing or rinsing machines for crockery or tableware, i.e. quantities or components controlled, or actions performed by the controlling device executing the controlling method
    • A47L2501/12—Air blowers
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
    • A47L2501/00—Output in controlling method of washing or rinsing machines for crockery or tableware, i.e. quantities or components controlled, or actions performed by the controlling device executing the controlling method
    • A47L2501/26—Indication or alarm to the controlling device or to the user
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
    • A47L2501/00—Output in controlling method of washing or rinsing machines for crockery or tableware, i.e. quantities or components controlled, or actions performed by the controlling device executing the controlling method
    • A47L2501/30—Regulation of machine operational steps within the washing process, e.g. performing an additional rinsing phase, shortening or stopping of the drying phase, washing at decreased noise operation conditions
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
    • A47L2501/00—Output in controlling method of washing or rinsing machines for crockery or tableware, i.e. quantities or components controlled, or actions performed by the controlling device executing the controlling method
    • A47L2501/32—Stopping or disabling machine operation, including disconnecting the machine from a network, e.g. from an electrical power supply
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
    • A47L2501/00—Output in controlling method of washing or rinsing machines for crockery or tableware, i.e. quantities or components controlled, or actions performed by the controlling device executing the controlling method
    • A47L2501/34—Change machine operation from normal operational mode into special mode, e.g. service mode, resin regeneration mode, sterilizing mode, steam mode, odour eliminating mode or special cleaning mode to clean the hydraulic circuit

Definitions

  • the present invention relates to a dishwasher, in particular a domestic dishwasher, with a control device in which at least one wash program is stored for executing, in particular control and / or regulation, a wash cycle comprising several wash parts for cleaning and / or drying items to be washed, and with an operating device for entering operating commands for the control device.
  • dishwashers are designed to automatically clean dishes with washing liquid.
  • the users of dishwashers have many, sometimes contradicting, requirements for a dishwasher. These include, for example, a high cleaning effect, a high drying effect, low water and energy consumption, a short duration of a wash cycle, but also the avoidance of stains on the cleaned items.
  • a dishwasher according to the preamble of claim 1 is from DE 100 58 188 A1 known.
  • the object of the present invention is to provide a dishwasher, in particular a domestic dishwasher, which better meets the requirements of the user.
  • the object is achieved in a dishwasher of the type mentioned in that at least one operating command for executing one or more adjustment measures on at least one of the washing programs can be entered on the operating device, by means of which the avoidance of stains on the items to be washed and / or the drying result on the Wash ware is improved when performing the wash cycle on the basis of the adapted wash program.
  • the dishwasher according to the invention preferably has a control device for automatically executing, in particular controlling and / or regulating, operating sequences of the dishwasher.
  • the control device can be designed as a so-called sequence controller, in particular as an electronic sequence controller. You can advantageously additionally or independently for controlling, of course, it can also be designed to regulate and / or otherwise control or influence operating sequences of the dishwasher.
  • the control device can thus in particular form a control device with which operating processes, in particular washing programs, can be monitored and / or influenced.
  • At least one wash program for carrying out or controlling a washing process also called a wash cycle, for washing items to be washed, in particular for washing dishes, is stored in the control device.
  • a washing process also called a wash cycle
  • Several washing programs are advantageously provided, one of which can be selected and started by the operator. This makes it possible to adapt the sequence of a wash cycle, in particular to the load, to the type of load and / or to the degree of soiling of the items to be washed.
  • an energy-saving rinsing program can be provided which, for example, is optimized for low energy and / or water consumption while accepting a lower cleaning and / or drying effect.
  • an intensive wash program can also be provided, which has a higher cleaning and / or drying effect than the normal program, while accepting higher energy and / or water consumption.
  • the wash program stored in each case can preferably be designed in such a way that the wash cycle controlled by the wash program has several wash parts, in particular at least one pre-wash cycle for pre-cleaning wash ware, at least one subsequent wash cycle for thorough cleaning of wash ware, at least one subsequent intermediate wash cycle for removing soiled Rinse liquid from the items to be washed, at least one subsequent final rinse cycle to avoid stains on the items to be washed and / or to prepare for a subsequent drying step or drying cycle, and / or at least one final drying cycle to dry the items to be washed, in the order listed above.
  • the pre-wash cycle, cleaning cycle, intermediate wash cycle and final rinse cycle are referred to as water-carrying partial wash cycles, since the wash items brought into the wash chamber are each treated with a wash liquid while they are being carried out. During the In the drying cycle, the use of rinsing liquid is generally not intended.
  • the items to be washed with washing liquid can take place in an essentially closed washing chamber, in particular a washing container, of the dishwasher.
  • the washing chamber can be assigned an inlet valve which enables washing liquid to be poured into the washing chamber.
  • the washing chamber can be assigned a circulating pump for circulating a washing liquid, which enables the washing liquid filled into the washing chamber, for. B. can be taken from a collection device for washing liquid and applied to the items to be washed via a spray system assigned to the washing chamber.
  • a washing liquid is understood here in particular as a liquid which is provided to be applied to the items to be washed in order to clean them and / or treat them in another way.
  • the washing liquid can also be used to heat the items to be washed, which is possible, for example, during a final rinse step in order to prepare for a subsequent drying cycle in which drying is based at least in part on the fact that the washing liquid adhering to the items to be washed evaporates due to the heat stored in the items. what is called self-drying.
  • the items to be washed can be dried during the drying process by means of an air flow that is as warm and dry as possible, which is generated, for example, with a sorption drying device.
  • an operating device which is connected to the control device in such a way that a user of the dishwasher can input operating commands to the control device.
  • An operating command is understood to mean information which systematically affects the function of the control device. For example, an operating command for manually selecting a washing program and an operating command for starting a selected washing program can be provided.
  • the improvement is achieved by means of at least one adaptation measure to at least one of the washing programs.
  • the at least one adaptation measure can be carried out manually via an operating command that can be entered on the operating device for carrying out adaptation measures.
  • the user can decide for himself on the basis of his individual requirements for each wash cycle whether or not he would like to achieve the special gloss effect on the cleaned items.
  • the user can weigh up with each wash cycle from his or her individual point of view whether the advantage of the special gloss effect on the items to be washed has the possible disadvantages, such as an increase in the duration of the wash cycle and / or an increase in the water and / or energy consumption of the Wash cycle, predominates.
  • an improved gloss effect can be achieved with the dishwasher according to the invention, which was and is not possible in conventional dishwashers.
  • the reason for this is that in the case of a dishwasher in which measures to achieve a glossy effect are already firmly specified at the factory by the manufacturer of the dishwasher and are invariably included in every wash program when the dishwasher is in operation, the measures would have to be limited in such a way that their disadvantages also could then be accepted if a special gloss effect is not even desired on the part of the consumer.
  • the dishwasher according to the invention however, such considerations do not play a role, since the possible disadvantages of the adaptation measures do not occur at all if the user does not give or withdraws the operating command intended to activate them to carry out adaptation measures to achieve the desired special gloss effect.
  • the operating command for carrying out adaptation measures to improve the avoidance of stains on the cleaned items to be washed and / or the drying result on the items to be washed can act on one or more of the washing programs provided. With different washing programs, different adaptation measures can be brought about by the operating command. It is also possible to provide several operating commands for carrying out adaptation measures to improve the avoidance of stains on the cleaned items and / or the drying result on the items to be washed, which trigger different adaptation measures in the same wash program so that the intensity of the gloss effect is even more precisely tailored to the needs of the user to be able to adapt.
  • the operating command for carrying out adaptation measures can be entered via an operating element exclusively provided for this purpose.
  • the control element can be, for example, a separate button which is arranged on a control panel of the dishwasher.
  • one of the adaptation measures during the wash cycle causes at least one additional partial wash cycle provided as an intermediate wash cycle to be carried out, ie at least two intermediate wash cycles are carried out for the selectively selected "gloss drying" wash cycle.
  • one of the adaptation measures increases the amount of washing liquid used in a partial washing cycle provided as a rinse cycle, the increase being at least 20%, preferably at least 30%, particularly preferably at least 40%, of the regular or original amount of the respective washing liquid which is intended for a rinse cycle without gloss drying for the rinse cycle.
  • the increase in the amount of washing liquid used in the final rinse cycle leads to an additional dilution of dirt and / or cleaning agent residues contained in the washing liquid, which counteracts the formation of stains on the cleaned wash ware and thus leads to a higher gloss on the wash ware.
  • the minimum values mentioned for increasing the amount already result in a significant improvement in the gloss of the items to be washed.
  • one of the adaptation measures brings about an addition of rinse aid to a washing liquid used there in at least one wash part provided as an intermediate wash. This reduces the surface tension of the washing liquid, so that at the end of the intermediate wash cycle, a larger proportion of the washing liquid mixed with dirt and / or detergent residues runs off and / or drips off the dishes, so that a larger proportion and the dirt and / or detergent residues contained therein can be pumped out, which counteracts the formation of stains on the cleaned items and thus leads to a higher gloss on the items.
  • one of the adaptation measures brings about a lengthening of a heating phase, the lengthening being at least 10%, preferably at least 20%, particularly preferably at least 30%, of the original or regular duration of the heating phase, which is the case with a wash cycle without "gloss drying" is provided, and / or implementation of at least one additional heating phase during a partial wash cycle provided as a final rinse cycle before the addition of rinse aid to a washing liquid used there.
  • Some rinse aids tend to foam heavily in a relatively cold wash liquor at, for example, less than 35 ° C.
  • the temperature of the washing liquid in the final rinse cycle which is critical in terms of foam formation, can be significantly lower.
  • one of the adaptation measures causes a duration of a partial wash cycle provided as a drying cycle to be extended, the extension being at least 10%, preferably at least 20%, particularly preferably at least 30%, of the original or regular duration of the drying cycle, which is at a wash program without gloss drying is planned.
  • the duration of the drying cycle By lengthening the duration of the drying cycle, an improvement in the drying effect is achieved, with hollow vessels such as drinking glasses, in particular, being able to be dried better and the glossy effect becoming more apparent.
  • the specified minimum values for the extension there is already a significant improvement in the drying effect.
  • one of the adaptation measures causes a modification of at least one pumping sequence for pumping out a washing liquid of a washing part by means of a drain pump from the dishwasher, with the modified pumping out sequence reducing a residual amount of washing liquid that has not been pumped out.
  • the modified pumping out sequence By reducing the residual amount of washing liquid that cannot be pumped off, it is possible, in particular, to reduce the carryover of dirt and / or cleaning agents from the washing liquid used before the pump-out sequence into a washing liquid used after the pump-off sequence.
  • the dirt content and / or the detergent content of the last washing liquid used in a wash cycle can be reduced, which reduces the formation of stains on the cleaned items to be washed.
  • the cleaned items are given a special sheen, especially when it comes to cutlery or glass dishes.
  • the pump-out sequence comprises at least one pump-out phase, during which the drain pump is switched on or runs up in terms of its speed
  • the modified pump-out sequence comprises at least one additional pump-out phase, during which the drain pump is switched on or its speed starts up, with the additional The pump-out phase is separated from the previous pump-down phase by a pause during which the drain pump is switched off or its speed is reduced, ie is spaced apart in time.
  • the drain pump is usually designed as a centrifugal pump, in particular as a radial pump, as a half-radial pump or as an axial pump.
  • a centrifugal pump is a flow machine in which the respective liquid is conveyed using centrifugal force by means of a rotating conveying element.
  • the execution of the drain pump as a centrifugal pump leads, improved or differently than, for example, a configuration as a piston pump, to the fact that the function of the drain pump is ensured even when the rinsing liquid to be pumped is heavily soiled.
  • the amount of washing liquid in the dishwasher initially drops essentially linearly over time while the speed remains the same. If the amount of rinsing liquid falls below a certain residual amount, however, such an amount of air gets into the circulating pump that the pressure for delivering rinsing liquid collapses and consequently no rinsing liquid is delivered any more. In this way, a residual amount of washing liquid that cannot be pumped off during continuous operation of the drain pump remains in the dishwasher.
  • the automatic execution of a pump-out sequence which, in particular compared to the pump-out sequence used in the wash programs without "gloss drying", comprises at least one further pump-off phase during which the drain pump is switched on, the further pump-off phase being carried out by a pause, while the drain pump is switched off, it is separated from a previous pumping phase, one is not Pumpable residual amount of washing liquid, which is absorbed in the dishwasher, can be significantly reduced.
  • the respective modified pumping sequence comprises a total of at least three pumping phases.
  • the described effect can be used several times, so that the residual amount of rinsing liquid that has not been pumped off can be reduced particularly significantly.
  • These at least three pumping phases of the respective pumping sequence that follow one another in time with pauses correspond to a “stuttering pumping” of the drain pump.
  • the first of the pumping phases is provided for pumping out at least 80%, preferably at least 90%, particularly preferably at least 95%, of the total amount of the rinsing liquid to be pumped out. This makes it possible, by means of the subsequent pumping-out phases, to effectively reduce the residual amount of washing liquid remaining in the dishwasher.
  • the first pumping-out phase of the pumping-out phases is provided for pumping out an amount of rinsing liquid that can be pumped off in continuous operation of the drain pump. In this way it is possible, by means of the subsequent pumping-out phases, to reduce the residual amount of washing liquid remaining in the dishwasher particularly effectively.
  • a monitoring device for monitoring a flushing liquid flow delivered by the drain pump, with the first pumping-out phase of the pumping-out phases being terminated in the pumping-out sequence and / or the modified pumping-out sequence if the monitoring device means that the flushing liquid flow falls below a minimum value is recognized. If a minimum value for the amount of washing liquid pumped out per unit of time, i.e. for the flow of washing liquid being pumped, is undershot, this indicates that the amount of washing liquid that can be pumped off in continuous operation of the drain pump has essentially been pumped out.
  • the termination of the first pumping phase is initiated on the basis of this criterion, it can be ensured that on the one hand the amount of rinsing liquid that can be pumped off in the first pumping step is at least substantially reached, and on the other hand that unnecessary duration of the first pumping phase is avoided.
  • the drain pump has an electric motor, the monitoring unit being designed to monitor at least one electrical operating parameter of the electric motor.
  • the monitoring unit being designed to monitor at least one electrical operating parameter of the electric motor. This is based on the knowledge that electrical operating parameters of electric motors of lye pumps change characteristically as a function of the flow of flushing liquid being conveyed. This applies, for example, to a drain pump operated with a fixed voltage for its current or power consumption. For example, at a given speed, the power consumption of an air-sucking drain pump is generally well below the power consumption of a drain pump that only sucks up washing liquid.
  • Such a monitoring unit has a simple structure. This is especially true when compared to Monitoring devices that have a special flow meter, such as an impeller meter.
  • the first pumping-out phase of the pumping-out phases is aborted in the pumping-out sequence and / or the modified pumping-out sequence if the monitoring device detects that the flow of rinsing liquid has not fallen below the minimum value after a predetermined period of time. In this way, it can be prevented that the first pumping-out phase is continued indefinitely in the event of a malfunction of the monitoring device.
  • At least one of the pumping phases following the first pumping phase and / or at least one of the pauses is time-controlled.
  • the intended pumping-out sequence can be implemented in a simple manner, in particular without additional sensors.
  • At least one of the pauses in the pumping sequence and / or the modified pumping sequence has a duration of at least 1 second, preferably of at least 2 seconds, particularly preferably of at least 4 seconds, and / or of at most 24 seconds, preferably of a maximum of 12 seconds, particularly preferably a maximum of 6 seconds.
  • the specified minimum values for the duration of the breaks are normally sufficient to ensure that the rinsing liquid whirled up in the drain pump in the previous pumping phase reaches a rest position during the respective break, in which at least a brief pressure build-up is possible when the drain pump starts up.
  • the specified maximum values also ensure that the entire pumping sequence does not take longer than necessary.
  • At least one of the pumping phases following the first pumping phase has a duration of at least 1 second, preferably of at least 2 seconds, particularly preferably of at least 4 seconds, and / or for a maximum of 32 seconds, preferably a maximum of 16 seconds, particularly preferably a maximum of 8 seconds.
  • the maximum additional amount of rinsing liquid that can be pumped off when the drain pump starts up can generally be achieved in each of the subsequent pumping-out phases.
  • the specified maximum values also ensure that the entire pumping sequence does not take longer than necessary.
  • the modification takes place in a pumping sequence at the end of a partial wash cycle provided as an intermediate wash cycle.
  • a reduction in the amount of washing liquid not pumped out leads to a reduction in the carry-over of detergent and / or dirt into the last wash liquid of a wash cycle, which is usually the wash liquid of a partial wash cycle designed as a final wash cycle.
  • the gloss effect on the washed items can be increased particularly effectively.
  • the modification takes place in a pumping sequence at the end of a partial wash cycle provided as a cleaning cycle.
  • a partial wash cycle provided as a cleaning cycle.
  • the modification is not provided for in a pumping sequence at the end of a partial wash cycle provided as a pre-wash cycle.
  • a pre-wash cycle At the end of a normal pre-wash cycle, there is generally still a large amount of dirt adhering to the dishes. Since this is normally removed in the subsequent cleaning cycle, the possible spread of dirt from the pre-wash cycle into the cleaning cycle due to washing liquid that has not been pumped out is of no consequence. Therefore, it can be used at the end of a pre-wash without any disadvantage there is no need to modify the pumping sequence, which speeds up the execution of the wash cycle.
  • the modification is not provided for in a pumping sequence at the end of a partial wash cycle provided as a final rinse cycle.
  • the washing liquid used is essentially free of detergent and / or dirt. Therefore, a carryover of cleaning agent and / or dirt into a later wash cycle is only possible to a small extent and not disruptive. Therefore, at the end of a rinse cycle, a modification of the pump-out sequence can be dispensed with without any disadvantage, which further accelerates the execution of the wash cycle.
  • the drain pump comprises a brushless electric motor, preferably a brushless permanent magnet motor.
  • the brushless electric motor can in particular be designed as a brushless direct current motor, also called a BLDC motor, as a brushless alternating current motor, also called a BLAC motor, or as a synchronous motor.
  • the rotor of the motor can have at least one permanent magnet, whereas the stator has several electromagnets.
  • the electromagnets are commutated via control electronics. In comparison to other possible motor concepts, this enables the motor to start up from standstill in a defined manner, so that the amount of flushing liquid that can also be pumped off in the pump-off phases following the first pump-off phase can be maximized.
  • a circulating pump for applying washing liquid to items to be washed is switched off for the entire duration of the pump-out sequence and / or the modified pump-out sequence. This prevents rinsing liquid from being distributed by the circulating pump in the dishwasher during the pumping out sequence and / or the modified pumping out sequence, so that it cannot be pumped out by means of the drain pump.
  • one of the adaptation measures in at least one wash cycle provided as an intermediate wash cycle results in a lengthening of a time span between a circulation sequence Circulation of the rinsing liquid and a pumping sequence for pumping out the rinsing liquid.
  • a larger part of the washing liquid adhering to the items to be washed can drip off and / or run off, so that a larger part of the washing liquid and the dirt and / or cleaning agent residues it contains can be pumped out, which counteracts the formation of stains on the cleaned items to be washed leads to a higher gloss on the dishes.
  • At least one adjustment measure provided when the operating command is entered to carry out adjustment measures is omitted if a dosing device for adding rinse aid to the washing liquid is deactivated, or if a level of rinse aid in the dosing device falls below a minimum level.
  • a cleaning agent is used in which rinse aid is integrated.
  • These can be so-called multifunctional sticks. These are usually introduced into a metering device for adding detergent and automatically released during a cleaning cycle of a wash cycle. The rinse aid contained therein essentially dissolves in the washing liquid of the cleaning cycle.
  • a small part of the dissolved rinse aid then gets through carry-over, for example via the non-pumpable amount of washing liquid, from wash cycle to wash cycle into the rinse cycle, in order to develop its surface tension-reducing effect there.
  • one or more of the adaptation measures provided can be omitted in order to minimize a deterioration in the gloss effect in the adapted washing program when a separate rinse aid is dispensed with.
  • the invention also relates to a method for operating a dishwasher according to claim 9.
  • the method according to the invention enables flexible use of the dishwasher and a reduction in the formation of stains on the cleaned dishes.
  • Other advantageous developments and / or developments of the invention are given in the subclaims.
  • FIG. 1 shows an advantageous embodiment of a household dishwasher 1 according to the invention in a schematic side view.
  • the dishwasher 1 has a control device 2 in which at least one wash program for controlling a wash cycle for washing items to be washed, in particular dishes, is stored.
  • a number of wash programs are expediently stored so that, by selecting a suitable wash program, the sequence of a wash cycle controlled by the control device 2 can be adapted, for example, to the load quantity, the type of load and / or the degree of soiling of the items to be washed.
  • the control device 2 is assigned an operating device 3 which is connected to the control device 2 in such a way that a user of the dishwasher 1 can input operating commands to the control device 2.
  • An operating command is understood to mean information which systematically affects the function of the control device. For example, an operating command for manually selecting a washing program and an operating command for starting a selected washing program can be provided.
  • the improvement is achieved by means of at least one adaptation measure to at least one of the washing programs.
  • the at least one adaptation measure can be carried out manually via an operating command that can be entered on the operating device 3 for carrying out adaptation measures.
  • the operating device 3 can be designed in such a way that the operating command for carrying out adaptation measures can be entered via an operating element exclusively provided for this purpose. This increases the ease of use, which further meets the requirements of the user. In addition, operating errors can be avoided.
  • the operating element can be, for example, a separate button which is arranged on an operating panel of the dishwasher 1. In principle, however, it is also possible to provide operating elements for entering the operating command for carrying out adaptation measures which are already provided for other operating commands. Multifunctional keys, rotary knobs, touchscreens, alphanumeric input units and the like are conceivable.
  • control device 2 is assigned an output device 4 which enables messages to be output to the operator.
  • the output device 4 can include display lamps, light-emitting diodes, an alphanumeric display and / or a graphic display for outputting in particular optical messages. Additionally or independently of this, the output device 4 can also have a buzzer, a loudspeaker and / or the like for outputting acoustic messages.
  • the dishwasher 1 further comprises a washing compartment 5, which can be closed by a door 6, so that a closed washing chamber 7 for washing Wash items are created.
  • the washing container 5 can optionally be arranged inside a housing 8 of the dishwasher 1. In particular in the case of built-in dishwashers, the housing 8 is not required and in some cases can be omitted entirely at the top.
  • the door 6 is shown in its closed position. The door 6 can be brought into an open position by pivoting about an axis arranged perpendicular to the plane of the drawing, in which it is oriented essentially horizontally and enables items to be washed in and out.
  • the operating device 3 is arranged in a user-friendly manner on an upper section of the door 6.
  • the output device 4 is also arranged on the upper section of the door 6, so that optical messages are clearly visible and / or acoustic messages are easily audible.
  • the control device 2 is also positioned there so that the required signal connections between the operating device 3, the output device 4 and the control device 2 can be kept short. In principle, however, it is possible to arrange the operating device 3, the output device 4 and / or the control device 2 at a different location.
  • the control device can optionally also be accommodated in a base assembly or in a base support component below the washing compartment.
  • the control device 2 could also be designed in a decentralized manner, which is understood to mean that it comprises spatially separated components which are connected via communication means in such a way that they can interact.
  • the dishwasher 1 has, for positioning items to be washed, e.g. Dishes have an upper crockery basket 9 and a lower crockery basket 10.
  • the upper crockery basket 9 is arranged on extension rails 11, which are each attached to opposing side walls of the washing container 5 that extend in the depth direction of the washing container. When the door 6 is open, the crockery basket 9 can be moved out of the washing compartment 5 by means of the extension rails 11, which makes it easier to load and unload the upper crockery basket 9.
  • the lower crockery basket 10 is arranged on extension rails 12 in an analogous manner.
  • the wash program (s) stored in the control device 2 can each provide for several partial wash cycles, for example at least one pre-wash cycle, at least one cleaning cycle, at least one intermediate wash cycle, at least one final rinse cycle and / or at least one in this chronological order Drying cycle.
  • the pre-wash cycle, cleaning cycle, intermediate wash cycle and final rinse cycle are referred to as water-carrying partial wash cycles, since the wash items positioned in the wash chamber 7 are treated with a wash liquid S while they are being carried out. Treatment of the items to be washed with washing liquid S is generally not provided during the drying cycle.
  • fresh water or inlet water ZW is used as the washing liquid S for treating the items to be washed, which can be taken up by an external water supply device WH, in particular a drinking water supply network, and filled into the washing chamber 7.
  • an external water supply device WH in particular a drinking water supply network
  • a washing liquid S formed from fresh inlet water ZW is filled in, which is then discharged to an external waste water disposal device AR as waste water AW at the end of the respective partial wash cycle.
  • a washing liquid S of a partial wash cycle e.g. to be stored in at least one storage container (not shown) and to be refilled into the washing chamber 7 in a later partial wash cycle.
  • the dishwasher 1 of the Figure 1 comprises a water inlet device 13, which is provided for connection to the external water supply device WH.
  • the external water supply device WH can be a water tap WH of a building-side water installation, which provides pressurized inlet water ZW.
  • the water inlet device 13 comprises a connection piece 14 which is provided for connection to the water tap WH.
  • the connection can take place, for example, via a thread arrangement, a bayonet arrangement or the like.
  • a connection hose 15 is provided, which is preferably flexible.
  • the downstream end of the connection hose 15 is connected to a connection piece 16 which is fixed to the housing.
  • a supply line 17 Downstream of the connector 16 fixed to the housing, a supply line 17 is provided, which is connected to an input side of an inlet valve 18 that can be switched by means of the control device 2. An output side of the inlet valve 18 is in turn connected to a liquid inlet 19 of the washing chamber 7. In this way, it is possible by means of the water inlet device 13 to feed water ZW as washing liquid S into the interior of the washing chamber 7 of the dishwasher 1.
  • the inlet valve 18 can be designed as a switchable solenoid valve which only has an open position and a closed position.
  • a water treatment system (not shown), for example a softening system, can be provided in the supply line 17.
  • an external inlet valve in particular a so-called aqua-stop valve, can also be provided between the connector 14 and the water tap WH, which can preferably be switched, in particular shut off and opened by means of the control device.
  • the rinsing liquid S filled into the rinsing chamber 7 via a liquid inlet 19 reaches a collecting device 21 formed on a base 20 of the rinsing container 5, which can preferably be formed as a collecting pot 21, due to its weight.
  • a circulation pump 22 is connected by its inlet 23 to the collecting pot 21 in a fluid-conducting manner.
  • an output side of the circulating pump 22 is connected to a spray device 25, 26 via a preferably electrical heating device 24 for heating the washing liquid S, which makes it possible to apply heated washing liquid S to the wash items brought into the washing chamber 7.
  • the spray device 25, 26 comprises an upper rotatable spray arm 25 and a lower rotatable spray arm 26.
  • fixed spray elements or other spray devices could also be provided.
  • the rinsing liquid S exiting from the spraying device 25, 26 when the circulating pump 22 is switched on returns to the sump 21 within the washing chamber 7 due to its weight.
  • the aim is to operate the circulating pump 22 in a concentric manner.
  • the circulating pump 22 is then in rotation when its inlet 23 is completely filled with rinsing liquid S in cross section, so that only rinsing liquid S, or in other words, no air gets into the interior of the circulating pump 22.
  • a running monitoring unit 27 In order to determine whether the circulation pump 22 is running or not, it is assigned a running monitoring unit 27. This can be provided as a separate component or, if necessary, also be part of the control device 2. If, during the circulation of washing liquid by means of the concentricity monitoring unit 27, irregular running of the circulation pump 22 is detected, additional washing liquid S can be poured into the collecting device 21, for example by opening the inlet valve 18, so that the level of washing liquid S in the collecting device 21 increases and the Circulation pump 22 thereby reaches the concentricity.
  • the dishwasher 1 has, in a conventional manner, a metering device 28 which enables the washing liquid S introduced into the washing chamber 7 to be mixed with detergents in powder or liquid form in order to improve the cleaning effect of a wash cycle.
  • a further metering device 29 also makes it possible to provide the washing liquid S with, in particular, liquid rinse aid, in particular to avoid staining of the cleaned items and to increase the drying effect of a wash cycle.
  • the Figure 1 Dishwasher 1 shown has a drain device 30 which is used to pump washing liquid S that is no longer required as waste water AW from the washing chamber 7 to the outside.
  • the drainage device 30 comprises a drain pump 31, the inlet 32 of which is connected to the collecting pot 21.
  • the output side of the drain pump 31, on the other hand, is connected via a non-return valve 33 to a connecting line 34, the downstream end of which is connected to a connection 35 of the dishwasher 1 that is fixed to the housing.
  • a sewage hose 36 which is particularly flexible, is attached to an outlet of the connection 35 fixed to the housing.
  • a connection piece 37 is arranged, which is provided to connect the drainage device 30 to a sewage disposal device AR.
  • the waste water disposal device AR can be a waste water pipe AR of a building-side water installation.
  • the connection between the connection piece 36 and the sewage pipe AR can be designed as a screw connection, a bayonet connection, a plug connection or the like.
  • the non-return valve 33 which can be designed as a non-return flap 33, for example, prevents that from the Rinsing liquid S pumped away from the collecting device 21 and / or liquid originating from the sewage disposal device AR reaches the collecting device 21 due to its weight and / or pressure fluctuations in the sewage disposal device AR.
  • the drain pump 31 is preferably assigned a monitoring device 38 for monitoring an amount of washing liquid S conveyed per unit of time, that is to say for monitoring the flow of washing liquid being conveyed.
  • the monitoring device 38 makes it possible, for example, to recognize when, when pumping washing liquid S from the collecting device 21, the level of washing liquid S in the collecting device 21 has dropped to such an extent that no washing liquid S is conveyed any more.
  • the drain pump 31 has an electric motor, the monitoring unit 38 being designed to monitor at least one electrical operating parameter of the electric motor. This is based on the knowledge that electrical operating parameters of electric motors of lye pumps 31 change characteristically as a function of the flow of flushing liquid being conveyed. This applies, for example, to a drain pump operated with a fixed voltage for its current or power consumption. For example, at a given speed, the power consumption of an air-sucking drain pump is generally well below the power consumption of an exclusively washing liquid-sucking drain pump 31.
  • Such a monitoring unit 38 is simple in construction. This is especially true in comparison to monitoring devices which have a special flow meter, such as an impeller meter.
  • the electric motor of the drain pump 31 can in particular be a brushless electric motor, preferably a brushless permanent magnet motor.
  • the brushless electric motor can, in particular, be a brushless one Direct current motor, also called BLDC motor, can be designed as a brushless AC motor, also called BLAC motor, or as a synchronous motor.
  • the rotor of the motor can have at least one permanent magnet, whereas the stator has several electromagnets. The electromagnets are commutated via control electronics. Compared to other possible motor concepts, this enables the motor to start up from standstill in a defined manner, so that the amount of flushing liquid that can also be pumped off in the pump-off phases following the first pump-off phase can be maximized.
  • the dishwasher 1 comprises Figure 1 one in Figure 1 Sorption drying device 39, shown only schematically, which enables air to be circulated via a sorption column (not shown), to be introduced into the washing chamber 7 via an opening 40 and to be removed from the washing chamber 7 via a further opening 41 in order to return it via the sorption column respectively.
  • Moisture in the air is deposited on the sorption column so that the air is dehumidified.
  • the air also heats up, so that the air introduced into the washing chamber 7 is dry and warm.
  • the sorption drying device 39 is provided in particular to dry the items to be washed in a drying sequence by means of the dried and heated air during a drying cycle of a washing cycle.
  • the sorption column is provided with a heater, not shown, by means of which the sorption column is heated during a regeneration sequence in such a way that the moisture is detached from the sorption column again.
  • the regeneration sequence can be carried out, in particular during a cleaning cycle of a wash cycle, in which case the waste heat from the regeneration sequence can then be used to heat a wash liquid of the cleaning cycle, which lowers the energy requirement of the heating device 24 assigned to the circulating pump 22.
  • FIG 2 shows a block diagram of the domestic dishwasher 1 of Figure 1 , where in particular their control and communication concept is shown.
  • a signal line 42 is provided which connects the operating device 3 to the control device 2 in such a way that operating commands from an operator can be transmitted from the operating device 3 to the control device 2 are.
  • a signal line 43 is provided which connects the control device 2 to the output device 4, so that information provided by the control device 2 can be transmitted to the output device 4 and output there to the operator.
  • a control line 44 is provided which connects the control device 2 to the switchable inlet valve 18 such that the inlet valve 18 can be closed or opened by the control device 2. In this way, the filling of washing liquid S into the washing chamber 7 can be controlled by the control device 2.
  • Another control line 45 connects the control device 2 to the circulating pump 22. As a result, the circulation of washing liquid S in the washing chamber 7 can also be set, in particular controlled or regulated, by the control device 2.
  • a signal line 46 is also provided, which connects the concentricity monitoring unit 27 to the control device 2.
  • the signal line 46 makes it possible to transmit information generated by the concentricity monitoring unit 27 relating to the running properties of the circulating pump 22 to the control device 2.
  • the control device 2 is designed such that it can take this information from the concentricity monitoring unit 27 into account when switching, in particular when controlling the closing and / or opening times, possibly also controlling or regulating, of the inlet valve 18.
  • the concentricity monitoring device can in particular also be designed as a functional component of the control device.
  • a control line 47 is provided, which connects the control device 2 to the drain pump 31, so that the drain pump 31 can also be switched, in particular switched off and on, optionally also controlled or regulated, by the control device 2.
  • Another signal line 48 connects the monitoring device 38 assigned to the drain pump 31 to the control device 2 in such a way that information generated by the monitoring device 38 can be taken into account by the control device 2 when carrying out wash cycles.
  • a further control line 49 connects the control device 2 to the heating device 24 assigned to the circulating pump 22 such that the heating device 24 can be used as required by the control device 2 in the course of a wash cycle.
  • control device 2 Via a further control line 50 which connects the control device 2 and the sorption drying device 39, it is also possible for the control device 2 to control and / or regulate the operation of the sorption drying device 39.
  • the addition of cleaning agent to a rinsing liquid can also be influenced by the control device 2 via a further control line 51, which connects the control device 2 and the metering device 28.
  • the addition of cleaning agent to a rinsing liquid can also be influenced by the control device 2 via a further control line 52, which connects the control device 2 and the metering device 29.
  • Figure 3 shows an exemplary wash cycle SG based on one of the wash programs of the dishwasher 1 according to the invention. It also shows Figure 3 an adapted or modified wash cycle SG ', which is carried out on the basis of the wash program manually adapted by an operating command and which has a special shine effect on the cleaned and dried wash ware, in particular through less carryover of dirt and / or detergent into the last wash liquid used in the wash cycle - Bath amount S causes. In the exemplary embodiment, this is the amount of bath in the final rinse cycle of the wash cycle.
  • the normal or regular wash cycle SG (without drying to a shine) comprises several partial wash cycles, namely in the following chronological order: a pre-wash cycle VG for pre-cleaning the wash ware, a cleaning cycle RG for thorough cleaning of wash ware, an intermediate wash cycle ZG for removing soiled washing liquid S from the wash ware, a rinse cycle KG to avoid stains on the wash ware and a drying cycle TG for drying the wash ware.
  • a pre-wash cycle VG for pre-cleaning the wash ware
  • a cleaning cycle RG for thorough cleaning of wash ware
  • an intermediate wash cycle ZG for removing soiled washing liquid S from the wash ware
  • a rinse cycle KG to avoid stains on the wash ware
  • a drying cycle TG for drying the wash ware.
  • Additional partial wash cycles for example a second intermediate wash cycle, could also be provided.
  • a filling sequence F 1 for filling the washing chamber 7 with washing liquid S is carried out.
  • the filling valve 18 is temporarily open.
  • a circulation sequence U 1 is carried out, in which circulated washing liquid S is applied to the items to be washed.
  • the circulation pump 31 is switched on at least temporarily during the circulation sequence U 1 .
  • a pump-out sequence A 1 is carried out, during which at least a substantial part of the rinsing liquid S located in the rinsing chamber 7 and now soiled is discharged by means of the drain pump 31 to the sewer pipe AR, for example.
  • further rinsing liquid S is introduced into the rinsing chamber 7 by means of a further filling sequence F 2 and is circulated in a further circulation sequence U 2 .
  • the cleaning effect of the cleaning cycle is increased in that the rinsing liquid S is heated in a heating phase H 2, for example by means of the heating device 24 and / or by means of the waste heat from a regeneration phase of the sorption drying device 39.
  • cleaning agent is added ZR in the cleaning cycle RG, for example via the metering device 28. In this way, the dirt adhering to the items to be washed can be almost completely removed in the cleaning cycle RG.
  • a pump-off sequence A 2 is carried out at the end of this.
  • the subsequent, single intermediate wash cycle ZG comprises a further filling sequence F 3 for filling the washing chamber 7 with washing liquid S and a further circulation sequence U 3 , which essentially serves to rinse off residues of the washing liquid S of the cleaning cycle RG from the items to be washed.
  • a pump-out sequence A 3 is now carried out.
  • a further filling sequence F 3 is used to circulate washing liquid S in a circulation sequence U 4 .
  • the addition ZK of rinse aid for example via the metering device 29, is provided in order to reduce the surface tension of the washing liquid S.
  • the rinsing liquid of the final rinse cycle KG can take place by means of a further pump-out sequence A 4 .
  • the items to be washed are dried during a drying sequence T 5 in the exemplary embodiment by means of warm, dry air from the sorption drying device 39.
  • the washing liquid S used there could be heated during the final rinse cycle KG by means of a heating phase not provided in the exemplary embodiment.
  • One adaptation measure is that in selected partial wash cycles, in the exemplary embodiment the cleaning cycle RG, the intermediate wash cycle ZG and an additional intermediate wash cycle ZG z , a modified pumping sequence A ' z , A' 3 and A ' z , also described in more detail below, is carried out will.
  • a first, modified pumping-out sequence A ' 2 is carried out, which is characterized in that a residual amount of rinsing liquid S that cannot be pumped off is reduced compared to the original pumping-out sequence A 2 in the rinsing cycle SG (without gloss drying). In this way, the carryover of dirt and / or cleaning agent into the first intermediate wash cycle ZG carried out afterwards is reduced.
  • the disturbing residues of dirt and detergent can be removed particularly well in the first intermediate wash cycle ZG, since a particularly clean washing liquid is available in the intermediate wash cycle ZG due to the almost complete pumping out of the washing liquid S of the cleaning cycle RG.
  • the washing liquid S of the first intermediate wash cycle ZG also absorbs only a little dirt and / or cleaning agent during the first intermediate wash cycle, so that the washing liquid S is significantly cleaner at the end of the intermediate wash cycle ZG than would be the case if an unmodified pump-out sequence had been carried out at the end of the cleaning cycle RG.
  • a further, ie here a second modified pump-out sequence A ' 3 is carried out, which is also characterized in that a residual amount of washing liquid S that cannot be pumped off is reduced compared to the pump-out sequence A 3 in the wash cycle SG (without gloss drying), whereby a carryover of dirt and / or cleaning agent into the additionally performed, second intermediate wash cycle ZG z is reduced.
  • a further, ie here third, modified pumping sequence A ' z is carried out which corresponds to the pumping sequence A' 3 of the first intermediate wash cycle ZG, ie in an analogous manner Way how this is done. This further reduces the entrainment of dirt and / or detergent into the final rinse cycle KG following the second intermediate wash cycle from the already relatively clean washing liquid S of the additional intermediate wash cycle ZG z .
  • the pump-out sequence A 1 is maintained at the end of the pre-wash VG.
  • This can accelerate the execution of the washing cycle SG ′, although an increased spread of dirt into the subsequent cleaning cycle RG due to washing liquid S which has not been pumped out is possible.
  • this does not cause any major problems, since at the end of the pre-wash cycle VG there is generally still a larger amount of dirt adhering to the wash ware, which is normally removed in the subsequent cleaning cycle RG and pollutes the washing liquid S used there, so that dirt can be carried over Rinsing liquid that has not been pumped out from the pre-wash cycle VG into the cleaning cycle RG is irrelevant.
  • the rinsing liquid of the final rinse cycle KG can easily be done by means of an unmodified pump-out sequence A 4 , since, due to its low content of dirt and / or cleaning agent, a significant carryover of dirt and / or cleaning agent into a later wash cycle SG or a later adapted wash cycle SG 'in general not possible.
  • the last washing liquid S of the wash cycle SG ' in the exemplary embodiment the washing liquid of the final rinse cycle KG, contains significantly less dirt and / or detergent, so that the formation of stains on the cleaned wash ware is further reduced after the end of the final drying process TG and a special gloss drying effect is achieved on the wash ware, especially with glass ware becomes.
  • the circulating pump 22 is preferably switched off in each case. This prevents washing liquid S from being distributed by the circulating pump 22 in the dishwasher 1 during the modified pumping-out sequences A ' 2 , A' 3 , and A z , so that it can be pumped out better by means of the drain pump 31.
  • a further adaptation measure consists in that at least one additional intermediate wash cycle ZG z is carried out during the adapted wash cycle SG ′. This results in better rinsing of dirt and / or cleaning agents on the items to be washed, which counteracts the formation of stains on the items to be washed and thus leads to a higher gloss on the items to be washed.
  • a further adjustment measure in the additional intermediate wash cycle ZG z causes an addition ZK z of rinse aid to a washing liquid S used there. This reduces the surface tension of the washing liquid S, so that at the end of the additional intermediate wash cycle ZG z a larger proportion of the dirt - and / or detergent residues runs off and / or drips off the wash ware so that a larger proportion and the dirt and / or cleaning agent residues contained therein can be pumped out, which counteracts the formation of stains on the cleaned wash ware and thus leads to a higher gloss on the wash ware .
  • an addition of rinse aid could also be provided for the first intermediate wash cycle ZG.
  • a further adjustment measure in the intermediate wash cycle ZG causes a lengthening of a time span Z 3 between a circulation sequence U 3 for circulating the washing liquid and a pumping sequence A ' 3 for pumping out the washing liquid and, in the case of the additional intermediate wash cycle ZG z, an extension of a time span Z z between a circulation sequence U z for circulating the rinsing liquid and a pumping-out sequence A ' z for pumping out the rinsing liquid.
  • This additional draining waiting time allows a larger part of the washing liquid S adhering to the wash ware to drip off and / or run off, so that a larger part of the wash liquid S and the dirt and / or cleaning agent residues it contains can be pumped out, which counteracts the formation of stains on the cleaned wash ware and thus leads to a higher gloss on the dishes.
  • Another adaptation measure involves carrying out at least one additional heating phase H 4 during the rinse cycle KG before rinsing agent ZK is added to a rinsing liquid S used there.
  • Some rinsing agents tend to foam strongly in a relatively cold wash liquor at, for example, less than 35 ° C.
  • the critical temperature of the washing liquid S in the final rinse cycle KG can be significantly below the critical temperature.
  • an extension of an already provided heating phase could be provided, the extension at least 10%, preferably at least 20%, particularly preferably at least 30%, of the original duration of the heating phase could be.
  • a further, in particular optional additional, adjustment measure results in an extension of the duration of the drying cycle TG, the extension being at least 10%, preferably at least 20%, particularly preferably at least 30%, of the original or regular duration of the drying cycle TG (for the rinse cycle without gloss drying) amounts.
  • adaptation measures shown bring about an improvement in the gloss result in the wash cycle SG '.
  • the adaptation measures can in principle be provided individually or in any combination.
  • FIG. 4 shows a schematic representation of a pump-out sequence A of the inventive dishwasher in FIG Figures 1 and 2 which the in Figure 3 shown pump-out sequences A 1 , A 2 , A 3 and A 4 for the rinse cycle SG (without gloss drying) corresponds.
  • the amount M of the amount of washing liquid S still present in the washing chamber 7 is shown in relation to the amount present at the beginning of the pumping sequence A over time. This amount M can also be referred to as the relative amount M in percent%.
  • the operating state Z31 of the drain pump 31 is shown in a lower part of the diagram.
  • the operating state “1” means that the drain pump 31 is switched on, and the operating state "0" means that the drain pump 31 is switched off.
  • the pump-out sequence A includes a pump-down phase AP 1 , during which the drain pump 31 is switched on continuously, ie continuously without interruption.
  • the drain pump 31 can in particular be designed as an electric centrifugal pump, for example as a radial pump, as a half-radial pump or as an axial pump.
  • the execution of the drain pump 31 as a centrifugal pump leads, improved or different than, for example, an execution as a piston pump, that the function of the drain pump is ensured even if the rinsing liquid to be pumped is heavily soiled.
  • the relative amount M of the washing liquid S in the dishwasher 1 initially decreases essentially linearly over time while the speed of the drain pump 31 remains constant. If the amount of rinsing liquid S falls below a certain residual amount RMD at time T1, however, such an amount of air enters the circulating pump 31 that the pressure for delivering rinsing liquid S collapses and consequently no rinsing liquid S is delivered any more.
  • This state can be determined by means of the monitoring device 38, for example on the basis of a monitoring of an electrical parameter of the drain pump 31, whereupon the pumping phase AP 1 can be ended.
  • the first pumping-out phase AP 1 is terminated if the monitoring device 38 has not determined that the flow of rinsing liquid has fallen below the minimum value after a predetermined period of time. In this way, it can be prevented that, in the event of a malfunction of the monitoring device 38, the first pump-out phase AP 1 is continued indefinitely.
  • FIG. 9 shows, in particular for a “gloss drying” wash program selected by the user, a schematic representation of a modified pump-out sequence A 'of the inventive dishwasher of FIG Figures 1 and 2 which the in Figure 3 shown pumping sequences A ' 2 , A' 3 and A ' z corresponds.
  • the modified pump-out sequence A ' comprises, in addition to the pump-out phase AP 1 of the original pump-out sequence A, two additional, chronologically subsequent pump-out phases AP 2 and AP 3 , during which the drain pump 31 is continuous is switched on. In addition, pauses P 1 and P 2 are provided, during which the circulation pump 31 is continuously switched off.
  • the first pumping phase AP 1 is separated from its adjacent, temporally downstream, ie here the second pumping phase AP 2 , by a pause or dead time period P 1 , and this in turn is separated by a pause P 2 from its adjacent, ie the following third pumping phase AP 3 .
  • the relative amount M continues to decrease when the drain pump 31 is switched on.
  • the effect that leads to a reduction in the relative amount M of flushing liquid S has not been conclusively clarified.
  • a pressure for pumping rinsing liquid S is built up at least for a short time, although the residual amount RMD that cannot be pumped off by means of the continuous operation of the drain pump 31 is still on Rinsing liquid S is below.
  • this effect also occurs after the second pause P 2 during the third pumping phase AP 3 , so that the relative amount M continues to decrease.
  • a residual amount RM 'of washing liquid S which cannot be pumped off with the modified pump-out sequence A' and which remains in the dishwasher 1 at the end of the modified pump-out sequence A 'can be significantly reduced compared to the non-pumpable residual amount RM of the pump-out sequence A.
  • the effect described can thus be used several times, so that the residual amount RM 'of rinsing liquid S not pumped off at the end of the modified pumping sequence A' can be particularly greatly reduced .
  • further pump-off phases not shown, separated by pauses, could therefore be provided.
  • the pauses P 1 and P 2 can have a duration of at least 1 second, preferably at least 2 seconds, particularly preferably at least 4 seconds, and / or at most 24 seconds, preferably at most 12 seconds, particularly preferably at most 6 seconds , exhibit.
  • the specified minimum values for the duration of the pauses P 1 and P 2 are normal sufficient to ensure that the rinsing liquid S whirled up in the previous pump-out phase AP 1 or AP 2 in the drain pump 31 during the respective pause P 1 or P 2 reaches a rest position in which at least a brief pressure build-up when the drain pump 31 starts up is possible.
  • the specified maximum values also ensure that the entire pumping sequence A does not take longer than necessary.
  • the pumping phases AP 2 and AP 3 following the first pumping phase AP 1 preferably have a duration of at least 1 second, preferably of at least 2 seconds, particularly preferably of at least 4 seconds, and / or of at most 32 seconds, preferably of at most 16 seconds, particularly preferably of a maximum of 8 seconds.
  • the maximum amount of washing liquid S that can additionally be pumped off when the drain pump 31 starts up can be achieved in each of the subsequent pumping phases AP 2 and AP 3 .
  • the specified maximum values also ensure that the entire modified pump-out sequence A 'does not last longer than necessary.
  • the following operating mode of the drain pump is thus in the case of the washing container being emptied as completely as possible, in particular its pump well or liquid collecting area, in particular in connection with the "gloss drying" program, but also separately from it, advantageous: Considered over the total duration of the respective modified pumping-out sequence, which is carried out at the end of a partial wash cycle, for which the washing container, in particular its pump well or liquid collecting area, is required to be emptied as completely as possible, at least three pauses in between, i.e. interruption times of the lye pump run, are timed one after the other The following pumping phases of the drain pump are carried out.
  • This threshold value can possibly also be given by a residual amount of liquid that remains in the liquid collection area or sump of the washing compartment after a first pumping phase during which the drain pump works for a fixed predetermined period of time. Only in that the first pumping-out phase is aborted and the drain pump is reduced or completely switched off with regard to its speed compared to the operating speed in the first pumping-out phase for a predetermined pause time or dead time, and thus at least a second pumping-out phase by renewed speed ramp-up or a If the drain pump is switched on again, part of the residual amount of liquid remaining after the first pumping out phase in the liquid collecting area or in the pump sump of the washing container can be pumped out into the drainage device.
  • the drain pump can convey a further surge of liquid, ie a partial amount of the residual water amount remaining in the collection area or pump well of the washing container after the second pumping phase, into the drainage device.
  • a third pumping-off phase i.e. its speed to a specified pump-off speed booted or the drain pump is switched on
  • the drain pump can convey a further surge of liquid, ie a partial amount of the residual water amount remaining in the collection area or pump well of the washing container after the second pumping phase, into the drainage device.
  • the causes for the formation of stains on the items to be washed such as the carryover of detergents and dirt into the rinse cycle and / or hardness builders (e.g. minerals, salts) in the water, can be reduced or avoided.
  • a speed change of the drain pump can alternatively be provided so that its speed is increased during the respective pumping phase and, on the other hand, decreased during the respective subsequent pause.
  • the changing speeds are expediently selected in such a way that the behavior of the drain pump essentially corresponds to its off state at a low speed and essentially corresponds to its on state at a higher speed.
  • a specified pumping speed is assigned to this.
  • the drain pump pumps out at least 3 more times per modified pumping sequence, each time with a break from one another after the first pumping phase.
  • a fourth pumping phase AP4 during which the drain pump runs again for pumping out.
  • This fourth pumping phase AP4 is in the Figure 5 have been omitted for the sake of clarity.
  • a particularly good emptying of the liquid collection area or pump well of the washing container is ensured by at least three pumping phases AP2-AP4 following the first pumping phase AP1.
  • a dishwasher which has a sorption drying system, preferably a so-called zeolite system.
  • This is characterized in particular by a very energy-efficient and above all very effective drying process.
  • This sorption drying system can optionally be used in combination with a conventional condensation-drying system in which the amount of liquid is brought to correspondingly high temperatures in the final rinse by means of a heating device, in particular a liquid heating device such as a flow heater and / or an air heating device, and the items are sprayed and thus heated becomes.
  • a heating device in particular a liquid heating device such as a flow heater and / or an air heating device, and the items are sprayed and thus heated becomes.
  • the wash ware heated in this way in particular only by means of the sorption drying device, then dries due to its own heat and through condensation of the air humidity in the wash container on the wash container walls, which are cooler than the warmed wash ware.
  • the “gloss drying” program can of course also be implemented in a dishwasher that is only equipped with a conventional drying device, in particular a condensation drying device. Even then, the items to be washed can still be sufficiently dried to a gloss.
  • rinse aid i.e. the addition of rinse aid via the dishwasher's system
  • the following remedial measures can be taken if necessary: which modify the gloss drying program, in particular to ensure that by selecting "gloss dry” the drying result that is normally achieved without the additional function "gloss drying” is not noticeably impaired: the additional intermediate rinse for the first intermediate rinse is retained. However, the bath quantities in this additional intermediate rinse and in the subsequent final rinse are reduced to, for example, 2.5L compared to the rinse bath volumes in the second intermediate rinse and final rinse of the gloss drying program, in order to carry over surfactants from the multifunctional rod to the final rinse.
  • the pumping takes place again in the "conventional" mode. It may be possible to dispense with the additional rinse aid metering in the last, in particular the second, intermediate rinse. Possibly. can be heated to higher temperatures in the final rinse, in order to bring more rinse aid from the tab into the final rinse and to improve drying. The extended drying time can be retained.

Landscapes

  • Washing And Drying Of Tableware (AREA)

Claims (9)

  1. Lave-vaisselle (1), en particulier lave-vaisselle ménager, avec un dispositif de commande (2), dans lequel est enregistré au moins un programme de lavage pour l'exécution d'un cycle de lavage (SG, SG') comprenant plusieurs cycles de lavage partiels pour le lavage et/ou le séchage de vaisselle à laver, et avec un dispositif d'actionnement (3) pour la saisie d'ordres d'actionnement pour le dispositif de commande (2), dans lequel le dispositif d'actionnement (3) permet de saisir au moins un ordre d'actionnement pour l'exécution d'une ou plusieurs mesure(s) d'adaptation d'au moins l'un des programmes de lavage, au moyen de laquelle ou desquelles l'évitement de taches sur la vaisselle et/ou le résultat du séchage de la vaisselle se trouve amélioré lors de l'exécution du cycle de lavage (SG'), sur la base du programme de lavage adapté, caractérisé en ce que
    • l'une des mesures d'adaptation induit, durant le cycle de lavage (SG'), une exécution d'au moins un cycle de lavage partiel supplémentaire prévu sous la forme d'un cycle de lavage intermédiaire (ZGz) et/ou
    • l'une des mesures d'adaptation induit un accroissement d'une quantité d'un liquide de lavage (S) utilisé dans un cycle de lavage partiel prévu sous la forme d'un cycle de rinçage (KG), dans lequel l'accroissement atteint au moins 20 %, de préférence au moins 30 %, de façon particulièrement préférée au moins 40 %, de la quantité initiale du liquide de lavage (S) respectif, et/ou
    • l'une des mesures d'adaptation induit, lors d'au moins un cycle de lavage partiel prévu sous la forme d'un cycle de lavage intermédiaire (ZG, ZGz), une adjonction (ZKz) de produit de rinçage à un liquide de lavage (S) y utilisé et/ou
    • l'une des mesures d'adaptation induit une prolongation d'une phase de chauffage d'un liquide de lavage (S), dans lequel la prolongation atteint au moins 10 %, de préférence au moins 20 %, de façon particulièrement préférée au moins 30 % de la durée initiale de la phase de chauffage, et/ou une exécution d'au moins une phase de chauffage supplémentaire (Hz) durant un cycle de lavage partiel prévu sous la forme d'un cycle de rinçage (KG), avant l'adjonction (ZK) de produit de rinçage à un liquide de lavage (S) y utilisé et/ou
    • l'une des mesures d'adaptation induit une modification d'au moins une séquence de pompage (A, A1, A2, A3, A4) pour le pompage d'un liquide de lavage d'un cycle de lavage partiel au moyen d'une pompe à lessive (31) en dehors du lave-vaisselle (1), la séquence de pompage modifiée (A', A'2, A'3, A'z) réduisant une quantité résiduelle non pompée (RM') de liquide de lavage (S) et/ou
    • l'une des mesures d'adaptation induit, pour au moins un cycle de lavage partiel prévu sous la forme d'un cycle de lavage intermédiaire (ZG, ZGz), une prolongation d'un laps de temps (Z3, Zz) entre une séquence de recirculation (U3, Uz) pour la recirculation du liquide de lavage et une séquence de pompage (A'3, A'z) pour le pompage du liquide de lavage (S).
  2. Lave-vaisselle selon la revendication précédente, caractérisé en ce que l'ordre d'actionnement pour l'exécution de mesures d'adaptation peut être saisi via un élément de commande exclusivement prévu à cet effet.
  3. Lave-vaisselle selon l'une des revendications précédentes, caractérisé en ce que l'une des mesures d'adaptation induit une prolongation d'une durée d'un cycle de lavage partiel prévu sous la forme d'un cycle de séchage (TG), dans lequel la prolongation atteint au moins 10 %, de préférence au moins 20 %, de façon particulièrement préférée au moins 30 % de la durée initiale du cycle de séchage (TG).
  4. Lave-vaisselle selon l'une des revendications précédentes, caractérisé en ce que l'une des mesures d'adaptation induit une modification d'au moins une séquence de pompage (A, A1, A2, A3, A4) pour le pompage d'un liquide de lavage d'un cycle de lavage partiel au moyen d'une pompe à lessive (31) en dehors du lave-vaisselle (1), dans lequel la séquence de pompage modifiée (A', A'2, A'3, A'z) réduit une quantité résiduelle non pompée (RM') de liquide de lavage (S) et dans lequel la séquence de pompage (A, A1, A2, A3, A4) comprend au moins une phase de pompage (AP1), durant laquelle la pompe à lessive (31) est activée ou présente une vitesse de rotation accrue, dans lequel la séquence de pompage modifiée (A', A'2, A'3, A'z) comprend au moins une phase de pompage supplémentaire (AP2, AP3), durant laquelle la pompe à lessive (31) est activée ou présente une vitesse de rotation accrue, dans lequel la phase de pompage supplémentaire (AP2, AP3) est séparée par une pause (P1, P2), durant laquelle la pompe à lessive (31) est désactivée ou présente une vitesse de rotation réduite, de la phase de pompage antérieure respective (AP1, AP2).
  5. Lave-vaisselle selon la revendication 4, caractérisé en ce que la séquence de pompage modifiée (A', A'2, A'3, A'z) comprend au total au moins trois phases de pompage (AP1, AP2, AP3).
  6. Lave-vaisselle selon l'une des revendications 4 ou 5, caractérisé en ce que lors de la séquence de pompage (A, A1, A2, A3, A4) et/ou de la séquence de pompage modifiée (A', A'2, A'3, A'z), la première phase de pompage (AP1) des phases de pompage (AP1, AP2, AP3) est prévue pour le pompage d'une quantité pompable (AMD) de liquide de lavage en fonctionnement permanent de la pompe à lessive.
  7. Lave-vaisselle selon l'une des revendications 4 à 6, caractérisé en ce qu'un dispositif de surveillance (38) pour la surveillance d'un flux de liquide de lavage transporté par la pompe à lessive (31) est prévu, dans lequel lors de la séquence de pompage (A, A1, A2, A3, A4) et/ou de la séquence de pompage modifiée (A', A'2, A'3, A'z), une interruption de la première phase de pompage (AP1) des phases de pompage (AP1, AP2, AP3) est prévue, lorsque le dispositif de surveillance (38) détecte que la valeur minimale n'est pas atteinte pour le flux de liquide de lavage.
  8. Lave-vaisselle selon l'une des revendications précédentes, caractérisé en ce qu'au moins une mesure d'adaptation prévue pour l'exécution de mesures d'adaptation lors de la saisie de l'ordre d'actionnement n'est pas exécutée lorsqu'un dispositif de dosage (29) pour l'adjonction de produit de rinçage au liquide de lavage (S) est désactivé, ou lorsqu'un niveau de remplissage en produit de rinçage dans le dispositif de dosage (29) pour l'adjonction de produit de rinçage n'atteint pas un niveau de remplissage minimal.
  9. Procédé d'exploitation d'un lave-vaisselle, en particulier lave-vaisselle ménager, avec un dispositif de commande (2), dans lequel est enregistré au moins un programme de lavage pour l'exécution d'un cycle de lavage (SG, SG') comprenant plusieurs cycles de lavage partiels pour le lavage et/ou le séchage de vaisselle à laver, et avec un dispositif d'actionnement (3) pour la saisie d'ordres d'actionnement pour le dispositif de commande (2), en particulier selon l'une des revendications précédentes, dans lequel une ou plusieurs mesure(s) d'adaptation d'au moins l'un des programmes de lavage est/sont exécutée(s) de telle sorte que l'évitement de taches sur la vaisselle et/ou le résultat du séchage de la vaisselle se trouve amélioré lors de l'exécution du cycle de lavage (SG'), sur la base du programme de lavage adapté, lorsqu'un ordre d'actionnement prévu à cet effet pour l'exécution de mesures d'adaptation est saisi sur le dispositif d'actionnement (3), caractérisé en ce que
    • l'une des mesures d'adaptation induit, durant le cycle de lavage (SG'), une exécution d'au moins un cycle de lavage partiel supplémentaire prévu sous la forme d'un cycle de lavage intermédiaire (ZGz) et/ou
    • l'une des mesures d'adaptation induit un accroissement d'une quantité d'un liquide de lavage (S) utilisé dans un cycle de lavage partiel prévu sous la forme d'un cycle de rinçage (KG), dans lequel l'accroissement atteint au moins 20 %, de préférence au moins 30 %, de façon particulièrement préférée au moins 40 %, de la quantité initiale du liquide de lavage (S) respectif, et/ou
    • l'une des mesures d'adaptation induit, lors d'au moins un cycle de lavage partiel prévu sous la forme d'un cycle de lavage intermédiaire (ZG, ZGz), une adjonction (ZKz) de produit de rinçage à un liquide de lavage (S) y utilisé et/ou
    • l'une des mesures d'adaptation induit une prolongation d'une phase de chauffage d'un liquide de lavage (S), dans lequel la prolongation atteint au moins 10 %, de préférence au moins 20 %, de façon particulièrement préférée au moins 30 % de la durée initiale de la phase de chauffage, et/ou une exécution d'au moins une phase de chauffage supplémentaire (Hz) durant un cycle de lavage partiel prévu sous la forme d'un cycle de rinçage (KG), avant l'adjonction (ZK) de produit de rinçage à un liquide de lavage (S) y utilisé et/ou
    • l'une des mesures d'adaptation induit une modification d'au moins une séquence de pompage (A, A1, A2, A3, A4) pour le pompage d'un liquide de lavage d'un cycle de lavage partiel au moyen d'une pompe à lessive (31) en dehors du lave-vaisselle (1), la séquence de pompage modifiée (A', A'2, A'3, A'z) réduisant une quantité résiduelle non pompée (RM') de liquide de lavage (S) et/ou
    • l'une des mesures d'adaptation induit, pour au moins un cycle de lavage partiel prévu sous la forme d'un cycle de lavage intermédiaire (ZG, ZGz), une prolongation d'un laps de temps (Z3, Zz) entre une séquence de recirculation (U3, Uz) pour la recirculation du liquide de lavage et une séquence de pompage (A'3, A'z) pour le pompage du liquide de lavage (S).
EP11176807.3A 2010-08-20 2011-08-08 Lave-vaisselle doté d'un programme de rinçage adaptable manuellement Active EP2420175B2 (fr)

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EP2420175B2 (fr) 2025-06-25
US9204778B2 (en) 2015-12-08
PL2420175T3 (pl) 2021-03-08
PL2420175T5 (pl) 2025-09-08
EP2420175A2 (fr) 2012-02-22
DE102010039611A1 (de) 2012-02-23
US20120042908A1 (en) 2012-02-23
EP2420175A3 (fr) 2017-12-27

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