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WO2019072557A1 - Lave-vaisselle domestique - Google Patents

Lave-vaisselle domestique Download PDF

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Publication number
WO2019072557A1
WO2019072557A1 PCT/EP2018/076071 EP2018076071W WO2019072557A1 WO 2019072557 A1 WO2019072557 A1 WO 2019072557A1 EP 2018076071 W EP2018076071 W EP 2018076071W WO 2019072557 A1 WO2019072557 A1 WO 2019072557A1
Authority
WO
WIPO (PCT)
Prior art keywords
household dishwasher
intensive
zone
valve
rinsing
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.)
Ceased
Application number
PCT/EP2018/076071
Other languages
German (de)
English (en)
Inventor
Bernd Eisenbart
Michael Georg Rosenbauer
Michael Lugert
Karlheinz Rehm
Roland Rieger
Bernd Heisele
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
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by BSH Hausgeraete GmbH filed Critical BSH Hausgeraete GmbH
Publication of WO2019072557A1 publication Critical patent/WO2019072557A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

Classifications

    • 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
    • A47L15/42—Details
    • A47L15/4214—Water supply, recirculation or discharge arrangements; Devices therefor
    • A47L15/4219—Water recirculation
    • A47L15/4221—Arrangements for redirection of washing water, e.g. water diverters to selectively supply the spray arms
    • 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
    • A47L2401/34—Other automatic detections
    • 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

Definitions

  • the present invention relates to a household dishwasher.
  • a dishwasher has a washing container and washware receptacles arranged in the washing container for receiving items to be washed.
  • the items to be washed can be subjected to cleaning of the same, for example with the aid of a rotatably mounted spray arm with rinsing water and / or fresh water.
  • so-called intensive rinsing zones can be provided, which can be switched on in order, for example, to clean extremely heavily soiled items to be washed.
  • WO 2015/090433 A1 and US 2015/0250374 A1 each describe a dishwasher with such a switchable intensive rinsing zone.
  • the WO 2015/090433 A1 and US 2015/0250374 A1 each describe a dishwasher with such a switchable intensive rinsing zone.
  • 2014/071980 A1 discloses a method for detecting the switching position of an additional spraying device, which is based on a measurement of a pump current at different rotational speeds of the circulating pump.
  • an object of the present invention is to provide an improved household dishwasher. Accordingly, a household dishwasher is proposed.
  • the household dishwasher comprises a rinsing container, a circulating pump for circulating rinsing water and / or fresh water during operation of the domestic dishwasher, an intensive rinsing zone provided inside the rinsing container, which can be manually switched from a deactivated state in which the intensive rinsing zone is fluidically pumped by the circulating pump is decoupled, into an activated state in which the intensive scavenging zone is fluidically coupled to the circulation pump, and vice versa, and control means arranged to detect whether the intensive scavenging zone is in the deactivated state or in the activated state , and which is adapted to adapt a washing program of the domestic dishwasher depending on the detected state of the intensive rinsing zone.
  • the control device is set up to adjust the wash program of the household dishwasher depending on the detected state of the intensive wash zone so that a pressure in a hydraulic circuit of the domestic dishwasher is changed when the intensive wash zone is activated compared to when the intensive wash zone is not activated.
  • the controller may also change a water level of the domestic dishwasher in a rinse program depending on the state of the intensive rinse zone.
  • a volume flow in the hydraulic circuit of the domestic dishwasher can also be changed by the control device depending on the state of the intensive rinsing zone.
  • a temperature of the rinsing liquor and / or of the fresh water during the rinsing program or at least one activation time of an actuator, for example in the upper basket operation can be changed by the control device as a function of the state of the intensive rinsing zone. Any of the aforementioned adjustments and modifications may be made individually or in any combination in any portion of the wash program, such as pre-wash, intermediate rinse, clean or rinse.
  • the switchable intensive rinsing zone thus allows the user to adapt the household dishwasher to the respective type and / or the degree of soiling of the dishes. There is no additional option to choose in the dishwasher of the household dishwasher, as the domestic dishwasher detects automatically whether the intensive rinse zone is activated or not.
  • the domestic dishwasher preferably comprises a hydraulic circuit, which may comprise the circulating pump, a feed tube, inlet pipes, spray arms and / or the intensive flushing zone.
  • a hydraulic circuit which may comprise the circulating pump, a feed tube, inlet pipes, spray arms and / or the intensive flushing zone.
  • Several intensive rinsing zones can be provided.
  • the household dishwasher on several Spülgutagen, for example, an upper basket, a lower basket and a cutlery drawer on. Each Spülgutage can be assigned one or more intensive flushing zones.
  • the intensive flushing zone can be "manually” moved from the deactivated state to the activated state and vice versa, it is to be understood that the intensive flushing zone without additional electrical or electronic components, such as sensors, cables, solenoid valves or the like, directly from a user, for example by means of a rotary knob or lever, can be activated or deactivated.
  • the rinsing zone is "fluidically" coupled to the circulating pump
  • a fluid connection for example with the aid of a feed tube and an inlet tube
  • the wash program may be modified such that, for example, the temperature in the wash container, hold times during the wash program, and / or a recirculation pump speed is modified stays the same or improves in the activated state.
  • the control device for detecting the state of the intensive flushing zone during operation of the domestic dishwasher detects a load condition of the circulation pump. For example, a current consumption of the circulation pump can be detected. This makes it possible to dispense with additional sensors.
  • control device adjusts a circulation pump speed of the circulation pump for adjusting the wash program.
  • control device can control the circulation pump in such a way that a conveyed quantity of rinsing liquor and / or fresh water is increased or reduced.
  • circulation pump speed of the circulation pump can be increased or reduced.
  • the controller increases the recirculation pump speed when the intensive purge zone is in the activated state. Accordingly, the controller may reduce the circulation pump speed when the intensive purge zone is in the deactivated state.
  • the intensive flushing zone has a manually operated valve, in particular a two-way valve.
  • the valve preferably has no electrical or electronic components.
  • the valve is not a solenoid valve.
  • the manually operated valve offers many advantages over an electrically controlled valve.
  • the valve is particularly cost-effective, since it is in particular one piece executable and requires no electrical control and / or wiring. Since no electrical control is required, the valve is also fail-safe and robust. No additional feeder system is required.
  • the valve and its multi-function is easily recognizable and understandable to the user.
  • the valve is arranged within the washing container. This means that the valve can be mounted directly in the wet area at the corresponding intensive flushing zone. The function of the valve is thus easily recognizable to the user.
  • valve can only be actuated by an open door of the household dishwasher.
  • valve can not be actuated from outside the washing container.
  • valve is arranged on a Spülguta the household dishwasher.
  • valve can also be positioned anywhere within the washing container.
  • the intensive rinsing zone has a spraying device.
  • the spraying device can be mounted on a Spülguta.
  • the spray device can have a multiplicity of spray nozzles.
  • control device is set up to adapt the domestic dishwasher dishwashing program depending on the detected state of the intensive dishwashing zone so that a pressure in a hydraulic circuit of the domestic dishwasher in the deactivated state is at least one pressure in the hydraulic circuit in the activated one State corresponds.
  • a volume flow in the hydraulic circuit in the deactivated state also corresponds to at least one volume flow in the hydraulic circuit in the activated state.
  • the temperatures during the wash program can be increased for an improved flushing performance.
  • the activation times, for example, in the upper basket operation, can be increased. This also improves the flushing performance. Any of the foregoing modifications may be made in any portion of the wash program, such as pre-wash, intermediate rinse, clean or rinse.
  • FIG. 1 shows a schematic perspective view of an embodiment of a domestic dishwasher
  • FIG. 2 shows a schematic sectional view of the domestic dishwasher according to FIG. 1
  • FIG. 1 shows a schematic perspective view of an embodiment of a domestic dishwasher
  • FIG. 3 shows a schematic view of an embodiment of a hydraulic circuit for the domestic dishwasher according to FIG. 1;
  • FIG. 4 shows a further schematic view of the hydraulic circuit according to FIG. 3.
  • the household dishwasher 1 shows a schematic perspective view of an embodiment of a household dishwasher 1.
  • the household dishwasher 1 comprises a washing container 2, which is closed by a door 3, in particular waterproof.
  • a sealing device can be provided between the door 3 and the washing container 2.
  • the washing container 2 is preferably cuboid.
  • the washing container 2 may be arranged in a housing of the household dishwasher 1.
  • the washing container 2 and the door 3 can form a washing compartment 4 for washing dishes.
  • the door 3 is shown in Fig. 1 in its open position. By pivoting about a provided at a lower end of the door 3 pivot axis 5, the door 3 can be closed or opened. With the help of the door 3, a charging opening 6 of the washing container 2 can be closed or opened.
  • the washing compartment 2 has a base 7, a ceiling 8 arranged opposite the base 7, a rear wall 9 arranged opposite the closed door 3 and two side walls 10, 11 located opposite one another.
  • the bottom 7, the ceiling 8, the rear wall 9 and the side walls 10, 1 1 can be made for example of a stainless steel sheet. Alternatively, for example, the bottom 7 may be made of a plastic material.
  • the household dishwasher 1 further comprises at least one Spülgutability 12 to 14.
  • the Spülguting 12 to 14 may be provided, wherein the Spülguting 12 a lower Spülgutage or a lower basket, the Spülguting 13 an upper Spülgutage or upper basket and the Spülgutage 14 may be a cutlery drawer.
  • the items to be washed 12 to 14 are arranged one above the other in the washing container 2.
  • Each Spülgutability 12 to 14 is either in the Spül actuallyer 2 in orromeverlagerbar out of this.
  • each Spülgutage 12 to 14 in a direction of insertion E in the washing 2 hineinschiebbar or into and against the insertion direction E in an extension direction A from the washing container. 2
  • FIG. 2 shows a schematic sectional view of the domestic dishwasher 1.
  • the domestic dishwasher 1 comprises a hydraulic circuit 15.
  • the hydraulic circuit 15 is a pump sump or sump 16 provided on the bottom 7 of the washing container 2 and a sump 16 mounted on the sump 16 Circulation pump 17 assigned.
  • the circulating pump 17 is operatively connected to a control device 18 of the household dishwasher 1.
  • a control device 18 for example, a circulating pump speed of the circulating pump 17 can be set and / or regulated.
  • the control device 18 can therefore also be referred to as a control and / or regulating device.
  • the control device 18 is also suitable for load detection of the circulation pump 17.
  • the control device 18 detect a current consumption of the circulation pump 17.
  • the control device 18 may have a computer, a sensor system and / or a control program for controlling the circulation pump 17.
  • the hydraulic circuit 15 further includes a supply pipe 19 which is in fluid communication with the circulation pump 17.
  • the feed tube 19 may be guided along the bottom 7 and the rear wall 9 toward a roof gyro 20 mounted on the ceiling 8.
  • the Spülguting 14 can be acted upon with rinse liquor and / or fresh water.
  • the first inlet pipe 21 leads to a spray arm 22 mounted rotatably on the washware receptacle 13.
  • the spray arm 22 By means of the spray arm 22, for example, the washware receptacle 12 can be charged with wash liquor and / or fresh water.
  • the first inlet pipe 21 is coupled to the feed pipe 19 by means of a separable coupling, so that the washware receptacle 13, together with the first inlet pipe 21, extends out of the washing container 2. and can be relocated into this again.
  • a further spray arm 22 may be provided, which is not shown in FIG.
  • the hydraulic circuit 15 has a second inlet pipe 23, which branches off from the feed pipe 19 below the washware receptacle 12. Also, the second inlet pipe 23 is separably coupled to the feed pipe 19. The second inlet pipe 23 may be mounted on the Spülgutability 12. The second inlet pipe 23 leads to a Spülguta 12 associated spray 24, which may have a plurality of spray nozzles 25 to 27. With the aid of the spraying device 24, an intensive flushing zone 28 can be realized in or on the washware receptacle 12. With the help of Intensiv Vietnamese zone 28 heavily soiled and / or difficult to clean dishes, such as bottles, can be cleaned very well.
  • spraying devices 24 may be provided so that such intensive flushing zones 28 can also be realized on the flushing receptacles 13, 14.
  • such spraying devices 24 can also be provided on the washware receptacles 13, 14.
  • spraying devices 24 of this type may also be provided at any point of the washing container 2, for example on the bottom 7, the ceiling 8, the rear wall 9 and / or the side walls 10, 11, in order to realize further intensive washing zones 28.
  • the intensive scavenging zone 28 or the spraying device 24 is assigned a valve 29 with which the inflow of washing liquor and / or fresh water to the spraying device 24 can be interrupted or released.
  • the valve 29 can be provided on or in the second inlet pipe 23.
  • the valve 29 may be mounted on the Spülguta 12.
  • several valves 29 are required. These valves 29 may be provided, for example, on or in the feed tube 19, the first inlet tube 21 or the like.
  • the roof gyro 20 and / or the spray arm 22 can thus be switched off and switched on, and thus each implement a further intensive flushing zone 28.
  • the valve 29 is a manually operated valve disposed within the washing container 2.
  • a user directly actuates a valve body or a control element, such as a knob, coupled to the valve body, more particularly, the valve 29 does not include electronic components, such as an electromagnet
  • the valve 29 may then be actuated by the user when the door 3 is open.
  • the user may open the valve 29 prior to beginning the purging operation and then, if the intensive purging zone 28 is not required, close the valve 29 prior to beginning the purging operation.
  • valve 29 each schematically show switching states of the valve 29.
  • the valve 29 is closed, so that the intensive scavenging zone 28 is deactivated, and in FIG. 4, the valve 29 is opened so that the intensive scavenging zone 28 is activated.
  • the entire pressure and the entire volume flow of the hydraulic circuit 15 are applied to the spray arm 22, for example.
  • the valve 29 is opened, the flushing capacity of the spray arm 22, without a readjustment of the circulation pump 17 is lower than when the intensive flushing zone 28 is deactivated.
  • the circulating pump 17 can now be controlled so that even if the valve 29 is opened, the same pressure and the same volume flow is applied to the spray arm 22 as when the valve 29 is closed.
  • the spray arm 22 and optionally the spray device 24 to ensure.
  • the hydraulic conditions in the hydraulic circuit 15 change. For example, the pressure of the rinsing liquor and / or of the fresh water may drop due to opening of the valve 29. This should be avoided.
  • the control device 18 recognizes via the load detection, in particular by an increased total volume flow, for example via the current consumption, the circulation pump 17, whether the valve 29 is open or not. That is, the control device 18 detects the switching state of the valve 29. If the valve 29 is opened, the hydraulic circuit 15 to this state.
  • control device 18 can control the circulation pump 17 in such a way that the conveyed quantity of rinsing liquor and / or fresh water is increased or reduced.
  • the circulation pump speed of the circulation pump 17 can be increased or reduced.
  • the control device 18 thus automatically undertakes modifications to the selected wash program in order to generally maintain the wash performance and / or to specifically change, for example increase, the wash power in the corresponding area.
  • the corresponding program structure of the wash program is automatically adjusted to always ensure the best possible flushing performance.
  • a possible program modification of the wash program comprises an increase of the circulation pump speed in order to compensate for pressure losses due to the activated intensive wash zone 28.
  • the pressure and the volume flow at the spray arm 22 can be maintained at 100% or approximately 100% even when the intensive purging zone 28 is activated.
  • the circulation pump speed can also be increased in order to additionally achieve an increased flushing capacity when the intensive flushing zone 28 is activated. By way of example, this allows the pressure and the volume flow at the spray arm 22 to be increased to more than 100% in comparison to deactivated intensive scavenging zone 28. This increases the cleaning performance.
  • the water filling amount can be increased in order to achieve a secure concentricity of the circulation pump 17. This can be achieved by an increased total volume flow through the switched Intensiv Vietnamesezone 28.
  • the temperatures during the wash program can be increased for an improved flushing performance.
  • the activation times for example, in the upper basket operation, can be increased. This also improves the flushing performance.
  • the circulation pump speed, the temperatures and / or the activation times can also be reduced. Any of the foregoing modifications may be made in any portion of the wash program, such as pre-wash, intermediate rinse, clean or rinse.
  • the switchable Intensiv Congresszone 28 thus allows the user to adjust the household dishwasher 1 to the respective type and / or the degree of contamination of the dishes. There is no additional option to choose in the washing program of the household dishwasher 1, since the hydraulic circuit 15 and the household dishwasher 1 automatically detects whether the Intensiv Vietnamesezone 28 is switched on or not.
  • the manually operated valve 29 has a number of advantages over an electrically controlled valve.
  • the valve 29 is particularly cost-effective, since in particular it can be implemented in one piece and does not require electrical control and / or wiring. Since no electrical control is required, the valve 29 is also fail-safe and robust.
  • the valve 29 can be mounted directly in the wet area, that is, in the rinse tank 2, at the corresponding Intensiv Vietnamese zone 28. There is no additional supply system required.
  • the valve 29 and its multi-function is easily recognizable and understandable to the user.

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  • Engineering & Computer Science (AREA)
  • Water Supply & Treatment (AREA)
  • Washing And Drying Of Tableware (AREA)

Abstract

L'invention concerne un lave-vaisselle domestique (1), comprenant une cuve de lavage (2), une pompe de circulation (17) destinée à faire circuler un liquide de lavage et/ou de l'eau claire lors du fonctionnement du lave-vaisselle domestique (1), une zone de lavage intensif (28) disposée au sein de la cuve de lavage (2), qui peut être amenée, manuellement, sélectivement, d'un état désactivé, dans lequel la zone de lavage intensif (28) est désaccouplée fluidiquement de la pompe de circulation (17), à un état activé, dans lequel la zone de lavage intensif (28) est accouplée fluidiquement à la pompe de circulation (17), et inversement, et un dispositif de commande (18), qui est conçu pour détecter si la zone de lavage intensif (28) se trouve dans l'état désactivé ou dans l'état activé, et qui est conçu pour adapter un programme de lavage du lave-vaisselle domestique (1) en fonction de l'état détecté de la zone de lavage intensif (28).
PCT/EP2018/076071 2017-10-10 2018-09-26 Lave-vaisselle domestique Ceased WO2019072557A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102017217989.9 2017-10-10
DE102017217989.9A DE102017217989B4 (de) 2017-10-10 2017-10-10 Haushalts-Geschirrspülmaschine

Publications (1)

Publication Number Publication Date
WO2019072557A1 true WO2019072557A1 (fr) 2019-04-18

Family

ID=63708377

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2018/076071 Ceased WO2019072557A1 (fr) 2017-10-10 2018-09-26 Lave-vaisselle domestique

Country Status (2)

Country Link
DE (1) DE102017217989B4 (fr)
WO (1) WO2019072557A1 (fr)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114206190A (zh) * 2019-07-31 2022-03-18 Bsh家用电器有限公司 家用洗碗机
CN114786556A (zh) * 2019-12-13 2022-07-22 Bsh家用电器有限公司 家用洗碗机和方法
CN115996658A (zh) * 2020-06-30 2023-04-21 Bsh家用电器有限公司 洗碗机、运行洗碗机的方法和计算机程序产品

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20060237044A1 (en) * 2005-04-25 2006-10-26 Ferguson Jerry W Dishwasher with controlled induction motor/pump
US20120138110A1 (en) * 2010-12-07 2012-06-07 Whirlpool Corporation Dishwasher with auxiliary spray system having removable sprayers
WO2014071980A1 (fr) 2012-11-08 2014-05-15 Electrolux Home Products Corporation N. V. Détection d'un mode de fonctionnement d'un lave-vaisselle
WO2015090433A1 (fr) 2013-12-20 2015-06-25 Electrolux Appliances Aktiebolag Lave-vaisselle
US20150250374A1 (en) 2014-03-04 2015-09-10 General Electric Company Dishwasher appliance
EP2954828A1 (fr) * 2014-06-12 2015-12-16 LG Electronics Inc. Lave-vaisselle et son procédé de commande
WO2017084715A1 (fr) * 2015-11-19 2017-05-26 Electrolux Appliances Aktiebolag Estimation de taux de remplissage d'eau dans un appareil pour laver et rincer des produits

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102017102057B4 (de) * 2016-02-29 2019-05-09 Miele & Cie. Kg Verfahren zum Betrieb eines Geschirrspülautomaten

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20060237044A1 (en) * 2005-04-25 2006-10-26 Ferguson Jerry W Dishwasher with controlled induction motor/pump
US20120138110A1 (en) * 2010-12-07 2012-06-07 Whirlpool Corporation Dishwasher with auxiliary spray system having removable sprayers
WO2014071980A1 (fr) 2012-11-08 2014-05-15 Electrolux Home Products Corporation N. V. Détection d'un mode de fonctionnement d'un lave-vaisselle
WO2015090433A1 (fr) 2013-12-20 2015-06-25 Electrolux Appliances Aktiebolag Lave-vaisselle
US20150250374A1 (en) 2014-03-04 2015-09-10 General Electric Company Dishwasher appliance
EP2954828A1 (fr) * 2014-06-12 2015-12-16 LG Electronics Inc. Lave-vaisselle et son procédé de commande
WO2017084715A1 (fr) * 2015-11-19 2017-05-26 Electrolux Appliances Aktiebolag Estimation de taux de remplissage d'eau dans un appareil pour laver et rincer des produits

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114206190A (zh) * 2019-07-31 2022-03-18 Bsh家用电器有限公司 家用洗碗机
CN114786556A (zh) * 2019-12-13 2022-07-22 Bsh家用电器有限公司 家用洗碗机和方法
CN114786556B (zh) * 2019-12-13 2025-07-29 Bsh家用电器有限公司 家用洗碗机和方法
CN115996658A (zh) * 2020-06-30 2023-04-21 Bsh家用电器有限公司 洗碗机、运行洗碗机的方法和计算机程序产品
CN115996658B (zh) * 2020-06-30 2025-07-29 Bsh家用电器有限公司 洗碗机、运行洗碗机的方法和计算机程序产品

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Publication number Publication date
DE102017217989A1 (de) 2019-04-11
DE102017217989B4 (de) 2021-08-26

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