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WO2008037246A1 - Installation de climatisation pour un véhicule automobile - Google Patents

Installation de climatisation pour un véhicule automobile Download PDF

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Publication number
WO2008037246A1
WO2008037246A1 PCT/DE2007/001493 DE2007001493W WO2008037246A1 WO 2008037246 A1 WO2008037246 A1 WO 2008037246A1 DE 2007001493 W DE2007001493 W DE 2007001493W WO 2008037246 A1 WO2008037246 A1 WO 2008037246A1
Authority
WO
WIPO (PCT)
Prior art keywords
air
motor vehicle
air conditioning
drive unit
control signal
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/DE2007/001493
Other languages
German (de)
English (en)
Inventor
Manfred Pfalzgraf
Markus Bedenbecker
Matthias Boltze
Andreas Engl
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.)
Webasto SE
Enerday GmbH
Original Assignee
Webasto SE
Enerday 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 Webasto SE, Enerday GmbH filed Critical Webasto SE
Publication of WO2008037246A1 publication Critical patent/WO2008037246A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60H—ARRANGEMENTS OF HEATING, COOLING, VENTILATING OR OTHER AIR-TREATING DEVICES SPECIALLY ADAPTED FOR PASSENGER OR GOODS SPACES OF VEHICLES
    • B60H1/00—Heating, cooling or ventilating [HVAC] devices
    • B60H1/00642—Control systems or circuits; Control members or indication devices for heating, cooling or ventilating devices
    • B60H1/00735—Control systems or circuits characterised by their input, i.e. by the detection, measurement or calculation of particular conditions, e.g. signal treatment, dynamic models
    • B60H1/00764—Control systems or circuits characterised by their input, i.e. by the detection, measurement or calculation of particular conditions, e.g. signal treatment, dynamic models the input being a vehicle driving condition, e.g. speed
    • B60H1/00778—Control systems or circuits characterised by their input, i.e. by the detection, measurement or calculation of particular conditions, e.g. signal treatment, dynamic models the input being a vehicle driving condition, e.g. speed the input being a stationary vehicle position, e.g. parking or stopping
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60H—ARRANGEMENTS OF HEATING, COOLING, VENTILATING OR OTHER AIR-TREATING DEVICES SPECIALLY ADAPTED FOR PASSENGER OR GOODS SPACES OF VEHICLES
    • B60H1/00—Heating, cooling or ventilating [HVAC] devices
    • B60H1/00421—Driving arrangements for parts of a vehicle air-conditioning
    • B60H1/00428—Driving arrangements for parts of a vehicle air-conditioning electric
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60H—ARRANGEMENTS OF HEATING, COOLING, VENTILATING OR OTHER AIR-TREATING DEVICES SPECIALLY ADAPTED FOR PASSENGER OR GOODS SPACES OF VEHICLES
    • B60H1/00—Heating, cooling or ventilating [HVAC] devices
    • B60H1/32—Cooling devices
    • B60H1/3204—Cooling devices using compression
    • B60H1/3226—Self-contained devices, i.e. including own drive motor
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60H—ARRANGEMENTS OF HEATING, COOLING, VENTILATING OR OTHER AIR-TREATING DEVICES SPECIALLY ADAPTED FOR PASSENGER OR GOODS SPACES OF VEHICLES
    • B60H1/00—Heating, cooling or ventilating [HVAC] devices
    • B60H1/32—Cooling devices
    • B60H2001/3236—Cooling devices information from a variable is obtained
    • B60H2001/3266—Cooling devices information from a variable is obtained related to the operation of the vehicle
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00—Road transport of goods or passengers
    • Y02T10/80—Technologies aiming to reduce greenhouse gasses emissions common to all road transportation technologies
    • Y02T10/88—Optimized components or subsystems, e.g. lighting, actively controlled glasses

Definitions

  • the invention relates to an air conditioner for stationary air conditioning of a drivable by a drive motor vehicle, with a fuel cell for operating a refrigeration circuit.
  • the invention relates to a motor vehicle, comprising an air conditioner for stationary air conditioning of the motor vehicle, with a fuel cell for operating a refrigeration circuit; and a drive unit for driving the motor vehicle.
  • the air conditioning system builds on the generic state of the art in that the air conditioning system is automatically switched off by means of a control signal indicating that the drive unit is in operation and / or the motor vehicle is being moved. This automatic shutdown switches off the auxiliary air conditioner as soon as the conventional air conditioning system becomes available.
  • the drive unit is in operation (which can also be indirectly closed by the movement of the vehicle)
  • the basic requirement for the operation of the conventional air conditioning is created, which is directly driven by the drive unit.
  • the operation of the conventional air conditioning system is given priority with regard to the auxiliary air conditioner. This has the advantage that, for example, be prevented that at a simultaneous operation of both air conditioners, the stationary air conditioner disturbing the air flow of the conventional air conditioning.
  • the best designed for the vehicle conventional air conditioning is often the more powerful. If priority is given to this more powerful air conditioning system, the overall air conditioning of the motor vehicle improves.
  • a motion sensor which supplies the control signal for the automatic shutdown.
  • This motion sensor can determine by detecting an acceleration that the motor vehicle is moved as soon as a certain acceleration threshold is exceeded. From the movement of the motor vehicle can be concluded that the drive unit is in operation and thus the possibility exists to take the conventional air conditioning in operation.
  • the resulting advantage is that the operation of the power plant can be determined indirectly, without requiring a laying of cables in the motor vehicle.
  • the sound sensor could be placed on the housing of the air conditioner. The air conditioning system is thus easy to install or retrofit in a motor vehicle with less effort.
  • a sound sensor which supplies the control signal for the automatic shutdown.
  • This sound sensor detects a certain frequency range in which the operating noise of the drive unit lie. This offers the advantage that the operation of the drive unit can be determined without the need for laying cables in the motor vehicle.
  • the sound sensor could be placed on the housing of the air conditioner. The air conditioning system is thus easy to install or retrofit in a motor vehicle with less effort.
  • the motor vehicle according to the invention provides the above-mentioned advantage in a transferred manner.
  • an exhaust-gas temperature sensor is provided which supplies the control signal for the automatic switch-off.
  • an on-board computer is provided which provides the control signal for the automatic shutdown.
  • This variant has the advantage that can be dispensed with additional sensors in a factory-installed stationary air conditioning. In addition, this variant of the acquisition is the most accurate.
  • FIG. 1 is a schematic representation of an air conditioner according to the invention
  • FIG. 2 is a schematic representation of the motor vehicle with the air conditioner according to the invention.
  • FIG. 3 shows a flow chart of the air conditioning operation according to the invention.
  • FIG. 1 shows a schematic illustration of an air conditioning system according to the invention.
  • the installed in a motor vehicle 10 air conditioning 12 (installation position, see FIG. 2), which is outlined in Figure 1 with a dashed line, comprises as main elements a fuel cell system 14 and a refrigerant circuit sixteenth
  • the fuel cell system 14 comprises a reformer 18, to which fuel can be supplied via a fuel line 20 from a fuel tank, not shown. Further, the reformer 18 at a second Brennstoffzu 1500 note by means of a fuel strand 22 also from the fuel tank fuel can be supplied.
  • fuel types are diesel, gasoline, natural gas and other known from the prior art types of fuel in question.
  • the oxidizer 24 via a Oxidationsstoffstrang 24 Oxidati- onsstoff, ie in particular air, can be fed to the reformer 18.
  • the reformate produced by the reformer 18 can be fed to a fuel cell stack 26.
  • the reformate is a hydrogen-containing gas which is reacted in the fuel cell stack 26 by means of cathode feeds via a cathode feed line 28 to generate electrical energy and heat.
  • the generated electrical energy can be fed via an electrical line 30 to an electric motor 32, a battery 34 and an electric heater 36 of the air conditioning system 12.
  • the anode exhaust gas can be fed via an anode exhaust gas line 38 to a mixing unit 40 of an afterburner 42.
  • fuel can be fed to the afterburner 42 via a fuel line 44 from the fuel tank and via an oxidant strand 46 to oxidizing agent.
  • suitable, not shown conveyors such as pumps, are arranged.
  • oxidant strands 24 and 46 corresponding, not shown conveyors, in this case, preferably blower arranged. These conveyors can be powered directly from the fuel cell stack 26 or from the battery 34.
  • Burner 42 is carried out a conversion of the depleted anode exhaust gas with the funded fuel and oxidant to a combustion exhaust gas, which is mixed in a mixing unit 48 with cathode exhaust air, which is conveyed via a Kathodenab Kunststoffstrang 50 from the fuel cell stack 26 to the mixing unit 48.
  • the combustion exhaust gas which contains virtually no pollutants, flows through a heat exchanger 52 for preheating the cathode feed air and finally leaves the fuel cell system 14 via an exhaust gas outlet 54.
  • a compressor 56 In the refrigerant circuit 16, a compressor 56, a condenser 58, an expansion device 60 and an evaporator 62 are arranged.
  • the compressor 56 can be driven by the electric motor 32, which in turn is preferably supplied with energy by the fuel cell stack 26 of the fuel cell system 14, but can also be supplied with energy by the battery 34 for a short time.
  • the evaporator 62 is associated with a blower 64.
  • An outside air line 66 can be used to suck in ambient air from the outside.
  • the term "from the outside”, as used in connection with this invention, means from outside the interior space 78, thus designating the air surrounding the motor vehicle 10.
  • the outside air duct 66 leads to an adjusting device 68, which can supply the outside air to the blower 64.
  • the air directed from the actuator 68 to the fan 64 flows past the evaporator 62 as airflow 70. In this way, the air flow 70 through the evaporator 62 heat energy can be withdrawn.
  • the cooled air stream can then be fed via an adjusting device 72 and an air guide 74 via a hat rack 76 a vehicle interior 78.
  • the adjusting device 72 for example, by a solenoid valve or by check valves, which each only a flow of the allow both leads to the air duct 74, be realized.
  • the cooled air flows through the vehicle interior 78 (as illustrated by arrows in FIG. 2) and exits beneath a seat 80, preferably the rear seat.
  • the air flows via an air guide 82 back to the adjusting device 68, where it is completely or partially discharged to the outside or back to the blower 64 is passed.
  • a corresponding line is provided, which is not shown for reasons of clarity.
  • the circuit of the adjusting device 68 thus makes it possible to realize either a fresh air concept or a circulating air concept in which air is drawn in from outside via the outside air line 66 or the air is circulated out of the air duct 82. Mixed forms of these modes are possible.
  • the air introduced via the outside air line 66 can be fed to an air duct 84 and via this to a blower 86.
  • this air flows as air stream 88 on hot parts of the fuel cell system 14 directly past or by (not shown) heat exchanger, which mediate between the air stream 88 and the hot parts.
  • the hot parts of the fuel cell system 14 are preferably the reformer 18, the fuel cell stack 26 and the afterburner 42. In this way, heat energy can be supplied to the air stream 88 by the waste heat of the hot parts of the fuel cell system 14.
  • the heated air flow 88 leads via an air duct 90 to the electric heating device 36, which is supplied directly by an energy generated by the fuel cell stack 26 or stored by the battery 34.
  • the already preheated air in the air duct 90 can be further heated and fed via the adjusting device 72 and the air guide 74 to the interior 78.
  • Flowing through the interior 78 of the Lucasstrpm leads via the air guide 82 to the adjusting device 68, where it is either discharged to the outside or back to the blower 86 is passed.
  • a recirculation concept can be realized via the circuit of the adjusting device 68, optionally in such a heating operation, in which air is drawn in from outside via the outside air line 66 or the air is recirculated out of the air guide 82.
  • Cooling operation with circulating air circulation In this operating state, the adjusting device 68 is switched so that air is guided from the interior 78 via the air guide 82 to the blower 64. This air flow 70 is cooled and guided via the adjusting device 72 and the air guide 74 into the interior 78, whereby it is cooled.
  • corresponding blowers and lines are provided, which reduce the waste heat of the air conditioning system 12 (in particular of the fuel cell system 14, the condenser 58, the compressor 56 and the electric motor 32) to the outside. In the case of the capacitor 58, this could alternatively also be arranged on the outside of the vehicle 10, in order thus to remove the waste heat directly.
  • Cooling operation with outside air supply In this operating state, the adjusting device 68 is switched so that outside air is guided via the outside air line 66 to the blower 64. The air flow 70 is cooled and via the adjusting device 72 and the air guide 74 into the interior 78 led. The over the air guide 82 from the interior 78 leading air flow is discharged from the actuator 68 to the outside. With regard to the removal of the waste heat of the air conditioning system 12, the measures explained in the context of the above-described cooling operation are taken.
  • Heating mode with circulating air circulation In this operating state, an air flow 88 is guided from the interior 78 to the fan 86 via the air guide 82, the adjusting device 68 and the air guide 84.
  • the refrigeration circuit 16 is not in operation, i. the electric motor 32 is not operated.
  • the blower 86 passes the air stream 88 past the hot parts of the fuel cell system 14.
  • the preheated in this way air is guided by the air guide 90 to the e- lectric heater 36 and on to the adjusting device 72.
  • the electric heater 36 is operated to heat the air in the air duct 90 with electric power. Subsequently, the heated air flows via the adjusting device 72 and the air guide 74 into the interior space 78.
  • Heating mode with external air supply In this operating state, outside air is supplied via the outside air line 66 from the adjusting device 68 to the air guide 84. The waste heat generated by the operation of the fuel cell system 14 heats the air flow 88. This heated air flow is, as in the above-described operating state, conducted via the air guide 90, the electric heater 36, the actuator 72 and the air guide 74 in the interior 78. Subsequently, this air flow over the
  • These different operating states are controlled via an electronic control unit, which selects the suitable operating state depending on the temperature in the interior 78, outside temperature, set target temperatures and desired air conditioning operation.
  • This electronic control unit selects the suitable operating state depending on the temperature in the interior 78, outside temperature, set target temperatures and desired air conditioning operation.
  • Control unit is not shown in the figures for reasons of clarity, but it is immediately apparent to those skilled in the art that these at least with the corresponding conveyors in the strands 20, 22, 24, 44 and 46 of the power distribution in the electrical line 30, the blower 64 and 86, the electric heater, the electric motor 32, the adjusting means 68 and 72 and the corresponding temperature sensors is connected.
  • the flow direction described above in the vehicle interior 78 i. Introducing the air over the parcel shelf 76 and discharging the air below the seat 80 may also be reversed during cooling and / or heating operation.
  • the air guide would have to open 74 corresponding to the seat 80 in the vehicle interior 78 and open the air guide 82 on the parcel shelf 76 in the vehicle interior 78.
  • FIG. 2 shows a schematic representation of the motor vehicle 10 with the air conditioning system 12 according to the invention.
  • the air conditioner 12 according to the invention can be mounted in the trunk, preferably as a retrofittable unit.
  • the motor vehicle 10 has a conventional air conditioner 92 in which a
  • Compressor of a conventional refrigerant circuit mechanically by a drive unit 94 can be driven.
  • the drive unit is associated with a tailpipe 96 in a known manner.
  • the interior 78 can be cooled via the conventional, on-board air conditioning 92 in a generally known manner or heated by means of waste heat of Antriebsaggre- gate 94.
  • the drive unit 94 is at a standstill, the interior 78 can be conditioned via the air conditioning system 12 according to the invention.
  • an exhaust gas temperature sensor 98 which is electrically connected to the electronic control unit of the air conditioning system 12, is mounted on the outside of the exhaust pipe 96 or is installed in the exhaust pipe 96.
  • a sensor 100 is provided, which is electrically connected to the electronic control unit of the air conditioner 12.
  • the sensor 100 may be a motion sensor and / or a sound sensor. In the case of a motion sensor, it can determine by detecting an acceleration that the motor vehicle is moved as soon as a certain acceleration threshold value is exceeded. From the movement of the motor vehicle can be concluded that the drive unit is in operation and thus the possibility exists to take the conventional air conditioning in operation.
  • the sensor 100 is preferably mounted on the housing of the air conditioner 12 as shown in FIG. Alternatively, the sensor 100 may also be mounted on the underbody of the vehicle or on another location of the motor vehicle 10, which however necessitates the laying of electrical lines.
  • a signal provided by an in-vehicle on-board computer may also be provided used, which indicates whether the drive unit is in operation.
  • Figure 3 shows a flow chart of the air conditioning operation of the air conditioners 12 according to the invention.
  • the routine of Figure 3, which is executed by the electronic control unit starts at step SlOO when the air conditioner 12 is turned on manually.
  • the switch-off condition may be the operation of the drive unit or a movement of the motor vehicle 10.
  • the switch-off condition is therefore met when the drive unit is in operation, e.g. an internal combustion engine is running, or the motor vehicle 10 is being moved. Whether this condition is met can be determined by means of the exhaust gas temperature sensor 98 and / or the sensor 100.
  • the signal supplied by the on-board computer can be evaluated, which indicates whether the drive unit 94 is in operation. Accordingly, when the sensor 100 is used for the determination and this is a sound sensor is at
  • Step S1O1 polled by the electronic control unit, whether the sound sensor provides a signal indicating the presence of a sound frequency, which emits the drive unit in an operated state. The process does not proceed to step S102 until the query in
  • Step SlOl is negative.
  • step S102 it is determined whether the user has selected an automatic standby mode via a selector switch or a corresponding programming of the air conditioner 12. If this is not the case, the process proceeds to step S103 where it is determined whether the user has manually selected standby air conditioning. If not, then the process proceeds to step S104, where it is determined whether the user manually provides comfort air conditioning has selected. If this is to be answered with "YES”, the process proceeds to step S105, at which a comfort air-conditioning is performed. In this Wohlfühlertmaschinetmaschinetmaschine the interior 78 of the motor vehicle 10 is air conditioned to a comfort temperature (eg 18 0 C) by a selection of the different heating and cooling modes is made by the electronic control unit.
  • a comfort air-conditioning In this Wohlfühlert Deutschen the interior 78 of the motor vehicle 10 is air conditioned to a comfort temperature (eg 18 0 C) by a selection of the different heating and cooling modes is made by the electronic control unit.
  • step S106 determines that this comfort air-conditioning is automatically stopped when the shut-off condition already explained is satisfied. Accordingly, if it is determined in step S106 that the shut-off condition is not satisfied, it is determined in S107 whether the air conditioner 12 has been turned off manually. For a manual shutdown, the process ends at step S112, otherwise the process returns to step S105. If the user has not selected feel-good conditioning in step S104, the process returns to step S110. If it has been determined in step S102 that an automatic standby air conditioning has been selected, then the process proceeds from there to step S108, where it is determined whether a comfortable air conditioning has been manually selected by the user. If so, then the process proceeds to step S105, where the well-being conditioning described above is performed.
  • step S109 the standby air conditioning according to the present invention is performed.
  • the temperature in the interior 78 is controlled to a standby set temperature (eg, 25 ° C), which is different from the comfort temperature. This is realized by suitably selecting the electronic control unit from the described heating and cooling modes. If the outside temperature is high, then the stand-by Target temperature greater than the comfort temperature. If, however, the outside temperature is low, then the ready set temperature is lower than the comfort temperature.
  • step S109 the process proceeds to step S110 where it is checked if the shut-off condition is satisfied. If so, then the process returns to step S100. Otherwise, the process proceeds to step S11, where it is determined whether the user has manually turned off the air conditioning - if "YES”, then the process ends in step S112 and if "NO", then the process returns to step S108.
  • the preferred operation of the air conditioning system 12 in practice is to select automatic standby air conditioning. If the drive unit 94 is operated, then the interior space 78 can be conditioned via the vehicle-optimized, very effective and specially designed air conditioning system 92. Once the drive unit 94 is turned off (and the occupants may leave the vehicle 10), the air conditioner 12 starts the standby air conditioning, which cools the interior at high outdoor temperature to, for example, 25 0 C. This standby air conditioning operation can be carried out with 12 liters of fuel without any problems for 12 days in continuous operation. The standby air conditioning operation is continued until the user selects a Wohlfühlry- mation shortly before departure, which then cools the interior space 78, for example, 18 0 C. The Wohlfühlrytmaschine is then carried out until the drive unit 94 is restarted.
  • the features of the invention disclosed in the foregoing description, in the drawings and in the claims may be essential to the realization of the invention both individually and in any combination.

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  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Air-Conditioning For Vehicles (AREA)

Abstract

L'invention concerne une installation de climatisation (12) pour la climatisation à l'arrêt d'un véhicule automobile (10) pouvant être entraîné par un organe d'entraînement (94), avec une pile à combustible (26) pour faire fonctionner un circuit de refroidissement (16). Il est avantageusement prévu ici que l'installation de climatisation (12) puisse être automatiquement désactivée au moyen d'un signal de commande qui indique que l'organe d'entraînement (94) est en marche et/ou que le véhicule automobile (10) se déplace. L'invention concerne en outre un véhicule automobile (10) équipé d'une telle installation de climatisation (12).
PCT/DE2007/001493 2006-09-27 2007-08-22 Installation de climatisation pour un véhicule automobile Ceased WO2008037246A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102006045676.9 2006-09-27
DE102006045676A DE102006045676A1 (de) 2006-09-27 2006-09-27 Klimaanlage für ein Kraftfahrzeug

Publications (1)

Publication Number Publication Date
WO2008037246A1 true WO2008037246A1 (fr) 2008-04-03

Family

ID=38738822

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/DE2007/001493 Ceased WO2008037246A1 (fr) 2006-09-27 2007-08-22 Installation de climatisation pour un véhicule automobile

Country Status (2)

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DE (1) DE102006045676A1 (fr)
WO (1) WO2008037246A1 (fr)

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10223949A1 (de) 2002-05-29 2003-12-24 Webasto Thermosysteme Gmbh System und Verfahren zum Kühlen beziehungsweise Heizen eines Fahrzeuginnenraums
WO2004074021A1 (fr) * 2003-02-18 2004-09-02 Behr Gmbh & Co. Kg Systeme de climatisation pour vehicule automobile
US20060000228A1 (en) * 2004-06-30 2006-01-05 Fisher Craig B Auxiliary air-conditioning apparatuses and methods for vehicles
DE102005018564A1 (de) * 2004-04-22 2006-01-26 Webasto Ag Heiz- und Klimatisierungssystem für ein Kraftfahrzeug
WO2006082082A1 (fr) * 2005-02-03 2006-08-10 Daimlerchrysler Ag Systeme de climatisation pour vehicule automobile

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10230783A1 (de) * 2002-07-09 2004-01-29 Daimlerchrysler Ag Brennstoffzellensystem, seine Anwendung und Verfahren zu seinem Betrieb
DE10326218B4 (de) * 2003-05-22 2005-11-10 Höfler, Michael, Winter Park Verfahren und System zur Abschaltung eines sekundären Verbrauchers in Fahrzeugen
DE10350177A1 (de) * 2003-10-28 2005-06-16 Webasto Ag Dachmodul
DE102004052354A1 (de) * 2004-10-28 2006-05-04 Daimlerchrysler Ag Klimaanlage

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10223949A1 (de) 2002-05-29 2003-12-24 Webasto Thermosysteme Gmbh System und Verfahren zum Kühlen beziehungsweise Heizen eines Fahrzeuginnenraums
WO2004074021A1 (fr) * 2003-02-18 2004-09-02 Behr Gmbh & Co. Kg Systeme de climatisation pour vehicule automobile
DE102005018564A1 (de) * 2004-04-22 2006-01-26 Webasto Ag Heiz- und Klimatisierungssystem für ein Kraftfahrzeug
US20060000228A1 (en) * 2004-06-30 2006-01-05 Fisher Craig B Auxiliary air-conditioning apparatuses and methods for vehicles
WO2006082082A1 (fr) * 2005-02-03 2006-08-10 Daimlerchrysler Ag Systeme de climatisation pour vehicule automobile

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