US20040241005A1 - Climate control system fan - Google Patents

Climate control system fan Download PDF

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Publication number
US20040241005A1
US20040241005A1 US10/491,806 US49180604A US2004241005A1 US 20040241005 A1 US20040241005 A1 US 20040241005A1 US 49180604 A US49180604 A US 49180604A US 2004241005 A1 US2004241005 A1 US 2004241005A1
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US
United States
Prior art keywords
fan blower
air
ion generator
electronic circuit
heating
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.)
Abandoned
Application number
US10/491,806
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English (en)
Inventor
Walter Hersel
Wolfram Breitling
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.)
Robert Bosch GmbH
Original Assignee
Individual
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 Individual filed Critical Individual
Assigned to ROBERT BOSCH GMBH reassignment ROBERT BOSCH GMBH ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS). Assignors: BREITLING, WOLFRAM, HERSEL, WALTER
Publication of US20040241005A1 publication Critical patent/US20040241005A1/en
Abandoned legal-status Critical Current

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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
    • 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
    • B60H1/00507—Details, e.g. mounting arrangements, desaeration devices
    • 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
    • B60H3/00—Other air-treating devices
    • 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
    • B60H3/00—Other air-treating devices
    • B60H3/0071—Electrically conditioning the air, e.g. by ionizing
    • B60H3/0078—Electrically conditioning the air, e.g. by ionizing comprising electric purifying means
    • 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
    • B60H1/00507—Details, e.g. mounting arrangements, desaeration devices
    • B60H2001/00614—Cooling of electronic units in air stream

Definitions

  • the present invention relates to a fan blower for a heating/air conditioning system, in particular for a motor vehicle.
  • a fan blower of this type has an impeller and an electric motor that drives this impeller, and it is typically located in the heater housing assembly of a motor vehicle.
  • a heating/air conditioning system of this type generally includes at least one evaporator, at least one heating heat-exchanger, and a fan blower.
  • air When air is cooled as part of the air-conditioning process, it is very often dehumidified as well. When this occurs, the moisture in the air condenses on cold surfaces. Although most of the liquid condensate is drained off over time, a certain liquid film remains on the surfaces.
  • Filters are therefore used to an increasing extent to prevent contaminants from entering the air conditioning system. Fungal and bacterial infestation can also be largely prevented by using toxic coatings or thermal processes, for example. Although these measures reduce deposits and the formation of odor associated therewith, they cannot be eliminated entirely, in particular as the air conditioning system ages. The coating of the condensation surfaces that occurs over the years also prevents heat transfer, e.g., between an evaporator and the incoming air stream to be cooled.
  • the “automatic oxygen shower with scent” provides for the installation of a dedicated fresh-air fan blower or the attachment of spray nozzles for the oxygen or the air scents on the end piece of the heating/air conditioning system, behind the dashboard and in front of the air outlet to the dashboard.
  • Publication DE 199 33 180 A1 discloses an apparatus for deodorizing and sterilizing air for use in room air filters and motor vehicles, in the case of which air is enriched with active oxygen ions and ozone using ionizers that are located in front of a filter medium in the flow direction.
  • the ionization assembly of the device disclosed in DE 199 33 180 A1 is permanently connected to the filter medium. As such, the ionization assembly must be replaced whenever the filter medium is replaced.
  • Publication DE 196 51 403 A1 discloses an apparatus and a method for improving air quality in the passenger compartments of motor vehicles, in the case of which a physical air preparation unit is integrated in the ventilation system of the motor vehicle in such a manner that a certain number of ions is always present in the passenger compartment. This ensures that the situation in which a reduced number of ions is present in the passenger compartment—which is normal when dirty, smoky or contaminated air is present—is corrected.
  • the physical air preparation device is combined with a filter.
  • the object of the invention is to provide a device that enables odor-producing deposits in motor vehicle air-conditioning systems to be biologically deactivated with great effectiveness while utilizing as little additional installation space as possible, so that odor formation can be reliably prevented or at least markedly reduced.
  • the fan blower according to the invention which ensures the necessary air flow, e.g., in a heating/air conditioning system of a motor vehicle, includes an impeller and a motor that drives this impeller.
  • the invention provides that at least one ion generator, also referred to hereinbelow as an “ionizer”, is structurally connected to the fan blower for a heating/air conditioning system.
  • a motor vehicle fan blower is usually installed in the air conditioning system after the fresh air-recirculated air mode door and in front of the heat exchangers for heating and/or cooling the air.
  • This installation location is also advantageously suited for an ion generator, the chemically active ions of which must react with the biological material that results in the formation of odor.
  • the entire surface, if possible, of the evaporator of an air conditioning system for example, must be coated with ions. To accomplish this, the ions must be mixed well with the supplied fresh air or recirculated air.
  • the ion generator must be installed after the fresh air-recirculated air mode door, but in front of the evaporator in the air stream of the air conditioning system.
  • An installation site of this nature for an ion generator may be advantageously realized when the ion generator is structurally connected to the fan blower.
  • the fan blower advantageously enables the intake air to be mixed with the chemically active ions.
  • the ion generator is structurally connected to an electronic circuit for operating the fan blower.
  • the fan blower electronics are normally directly exposed to the air flow to the evaporator via a heat sink for dissipating the heat from power losses from the electronic components.
  • the electronics for the air conditioning system are therefore exposed to the air flow, e.g., directly under the fan wheel or at the point where the air flow rate is greatest.
  • the ion generator can therefore be located on a heat sink of the air conditioning housing electronics, for example, and/or in the immediate vicinity of a heat sink of this type.
  • the heat sink is installed in the motor mount of the fan blower, and the fingers of the heat sink, for example, are then located under the fan wheel with the ionizer.
  • the ionizer is therefore integrated in the fan blower electronics in such a manner that the ions that are being emitted are carried by the air that flows past and serves to dissipate heat from the heat sinks.
  • the location of the ion generator in or on a heat sink of the fan blower electronics results in the ions being evenly distributed in the air stream due to strong air turbulence at the heat sink geometry.
  • a homogeneous distribution of the reactive ions in the air stream is necessary to evenly coat the entire surface, e.g., of the evaporator, with ions, and to achieve an effective deactivation of the biological coating.
  • the entire infrastructure needed to operate an ion generator is already available in the fan blower electronics.
  • the network connections, current and voltage supply, and digital signal processing are available in the fan blower electronics, thereby enabling the actuation, monitoring, control and diagnosis of the ion generator to be incorporated in the electronic system for controlling the fan blower with minimal technical outlay.
  • the electronic filters that are present anyway therefore protect the vehicle electrical system from a clock frequency of the ion generator, for example.
  • An electronic system for controlling a fan blower for a heating/air conditioning system can therefore be supplemented with an ion generator in simple and advantageous fashion, which results in a marked reduction in odor problems in an air conditioning system of a motor vehicle.
  • the ion generator, its electronic control and the fan blower electronics can therefore be located in the same housing.
  • an arrangement is also feasible in which the two electronic components are located in separate housings or housing parts that are interconnected.
  • Oxygen ions, and ozone in particular, are particularly suited to reducing the amount of biologically active material via interaction with the condensed water.
  • a heating/air conditioning system for a motor vehicle that markedly reduces odor problems in the passenger compartment of the motor vehicle can be realized in advantageous fashion.
  • the combination, according to the invention, of an ion generator with the fan blower electronics also advantageously saves installation space, weight and component outlay for the system.
  • the fan blower according to the invention results in a particularly good mixing of air with the chemically active ions, enabling them to largely deactivate the biologically active, odor-forming material. Since the ion generator and the fan blower electronics belong to the same electrical system, the data from these subsystems can be processed jointly and, therefore, in a simpler fashion.
  • FIG. 1 shows a simplified schematic diagram of an air conditioning system for a motor vehicle
  • FIG. 2 shows a schematic diagram of a fan blower module for a heater/air conditioning system, in a sectional view
  • FIG. 3 shows a schematic diagram of a control device for the fan blower for a heater/air conditioning system, in a top view
  • FIG. 4 shows a side view of the control device for the fan blower for a heater/air conditioning system from FIG. 3, and
  • FIG. 5 shows a block diagram of the combined electronics of the fan blower for a heater/air conditioning system and the ionizer.
  • FIG. 1 shows the principal design of the heating part of a heating/air conditioning system of a motor vehicle.
  • Either fresh air or recirculated air selectively, is drawn in through an air duct 10 of the heater housing assembly.
  • a fresh air-recirculated air mode door 12 enables selection of the air type; it can be operated manually by the motor vehicle passengers and/or adjusted using an appropriate automatic control.
  • the air from fresh-air duct 14 or recirculated-air duct 16 that was selected using fresh air-recirculated air mode door 12 is drawn in by a fan blower 18 and directed through an evaporator 20 located downstream.
  • the evaporator which is connected to a coolant circuit (not shown), cools the air flow that is created by fan blower 18 .
  • Dehumidification also takes place during this cooling of the air that accompanies the air conditioning process.
  • the humidity in the air condenses on cold surfaces, such as the housing surface of the evaporator. Although most of the liquid condensate is drained off over time, a certain liquid film remains on the surfaces.
  • Fan blower 18 which is depicted only schematically in the exemplary embodiment in FIG. 1, includes an impeller 22 , a motor 24 that drives impeller 22 , and an electronic circuit for the open-loop and closed-loop control of the fan blower, which is not shown explicity in FIG. 1, to enhance clarity.
  • the air flowing through air duct 10 in the direction of arrow 26 can be selectively directed over a heating heat-exchanger 28 .
  • the amount of air that is directed over heating heat-exchanger 28 by fan blower 18 can be adjusted using a heater door 30 . In this manner, the temperature of the air that enters the passenger compartment of the motor vehicle may be varied by mixing the portions of cold and warm air.
  • FIG. 2 is a principal diagram of the basic design of a fan blower for a heating/air conditioning system 18 .
  • the air to be moved forward is drawn in through a central opening 32 of fan blower 18 ; it is accelerated and moved forward by impeller 34 .
  • impeller 34 is driven via a shaft 40 of an electric motor that is not shown in FIG. 2.
  • Fan blower 18 is controlled via a fan blower controller 42 .
  • Fan blower controller 42 includes control electronics and, among other things, various heat sinks 43 with fingers 44 , for example, for dissipating the heat from power losses from the power electronics of fan blower controller 42 .
  • Fan blower controller 42 is mounted on housing 36 of fan blower 18 according to the invention in such a manner that fingers 44 of heat sink 43 extend into the air stream that is moved forward by fan blower 18 . This enables effective cooling of the electronic components of fan blower controller 42 .
  • Fan blower 18 according to the invention, according to the exemplary embodiment in FIG. 2, has a fan blower controller 42 , in whose housing 46 an ionizer 48 is also located. Ionizer element 48 is exposed, via an opening 52 in housing 46 , to the air in the air conditioning system that flows past in the direction of arrow 50 .
  • FIG. 3 shows a top view of housing 46 , in which fan blower controller 42 and ionizer 48 are integrated. To protect them from contact, and for reasons of electromagnetic compatibility, opening 52 —which is provided in housing 46 for ionizer 48 —is covered with a protective screen 54 .
  • the high voltage for ionization element 48 is generated in ionizer electronics 56 , which are also integrated in housing 46 of fan blower controller 42 , as depicted schematically in FIG. 4, which is a side view of fan blower controller 42 .
  • housing 46 contains electronics 58 for fan blower controller 42 of fan blower 18 and ionizer 48 , including the associated high-voltage generator 56 .
  • fan blower controller 42 An important point to consider with regard for the installation location of fan blower controller 42 is the air circulation around the electronics of the fan blower power controller, which is important for reasons of cooling. This air circulation around housing 46 and the associated air turbulence at fingers 44 of heat sink 43 of fan blower electronics ensures that the particles emitted by ionizer are mixed well with the air that flows past, so that the chemically active ions are distributed largely homogeneously in the air stream, enabling the surface of evaporator 20 of the heating and cooling system, which is covered with contaminants, to also be evenly coated with ions.
  • FIG. 5 shows a block diagram of the combined fan blower controller and ionizer electronics.
  • Signal-processing electronics 60 of the control system for fan blower 18 are advantageously used for the open-loop and closed-loop control of fan blower controller 42 and, therefore, for motor 24 of the fan blower, and for ionizer 48 .
  • An interface 62 serves to connect signal-processing electronics 60 to the rest of the vehicle electronics.
  • Ionizer electronics 56 and electronics 58 receive their control signals via the interfaces and/or connections 64 and 66 to control the fan blower. Specific electronics 56 and 58 then actuate ionizer 48 and/or fan blower motor 24 in known fashion.
  • Further sensor signals can be integrated in this common control of the fan blower, as shown in FIG. 5; these further sensor signals trigger actuation and activation of the ionizer above a certain temperature threshold. It is also possible that a chemical sensor detects a corresponding formation of odor and activates the ionizer.
  • the device according to the invention is not limited to the exemplary embodiment depicted in the figures.
  • the device according to the invention is not limited to use in a motor vehicle.
  • the invention according to the invention is not limited to the use of oxygen ions.
  • the invention according to the invention is not limited to the deactivation of biological material or its products of decomposition.
  • the device according to the invention can be used for the general improvement of air quality in a heating/air conditioning system.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Air-Conditioning For Vehicles (AREA)
US10/491,806 2002-03-06 2002-12-16 Climate control system fan Abandoned US20040241005A1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE10209837A DE10209837A1 (de) 2002-03-06 2002-03-06 Klimagebläse
DE10209837.9 2002-03-06
PCT/DE2002/004583 WO2003074304A1 (de) 2002-03-06 2002-12-16 Klimagebläse

Publications (1)

Publication Number Publication Date
US20040241005A1 true US20040241005A1 (en) 2004-12-02

Family

ID=27771032

Family Applications (1)

Application Number Title Priority Date Filing Date
US10/491,806 Abandoned US20040241005A1 (en) 2002-03-06 2002-12-16 Climate control system fan

Country Status (6)

Country Link
US (1) US20040241005A1 (ja)
EP (1) EP1483124B1 (ja)
JP (1) JP4173819B2 (ja)
KR (1) KR100954972B1 (ja)
DE (2) DE10209837A1 (ja)
WO (1) WO2003074304A1 (ja)

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20060079168A1 (en) * 2003-12-09 2006-04-13 Goldsmith Samuel W Method and apparatus for decontamination of automotive HVAC systems
US20070065347A1 (en) * 2004-05-25 2007-03-22 Bayerische Motoren Werke Aktiengesellschaft Apparatus and methods for disinfecting components of an air conditioning system in a motor vehicle
US20100144261A1 (en) * 2007-04-18 2010-06-10 Robert Bosch Gmbh Device for controlling the ventilation apparatus for a motor vehicle interior
US20100254826A1 (en) * 2009-03-25 2010-10-07 Gunter Streng Radial Blower
JP2013057428A (ja) * 2011-09-07 2013-03-28 Mitsubishi Electric Corp 空気調和装置の室内機
CN104420432A (zh) * 2013-08-28 2015-03-18 苏州宝时得电动工具有限公司 吹风装置
CN107009851A (zh) * 2015-12-15 2017-08-04 现代自动车株式会社 用于车辆的空气清洁系统和方法
EP3388683A4 (en) * 2016-09-28 2019-03-13 Zhejiang Yilida Ventilator Co., Ltd. CENTRIFUGAL VOLUTE FAN WITH A PERMANENT MAGNET-FREE MOTOR SYSTEM
WO2019201802A1 (en) * 2018-04-17 2019-10-24 Sit S.P.A. Fan with a heat dissipation device associated with the controller board thereof
CN112140834A (zh) * 2020-09-23 2020-12-29 上海加冷松芝汽车空调股份有限公司 一种散热装置、调速模块及汽车空调

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102004023376A1 (de) * 2004-05-12 2005-12-08 Paragon Ag Luftbehandlungsvorrichtung zur Anreicherung einer Luftströmung mit einer Gaskomponente
KR101249766B1 (ko) * 2007-02-02 2013-04-02 한라공조주식회사 차량용 공기청정장치
DE102007038222A1 (de) * 2007-08-13 2009-02-19 Behr Gmbh & Co. Kg Vorrichtung zur Verbesserung der Luftqualität, insbesondere für ein Kraftfahrzeug
JP2021084507A (ja) * 2019-11-27 2021-06-03 株式会社デンソー 空調ユニット

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US3020451A (en) * 1957-11-25 1962-02-06 Int Electronic Res Corp Right angle heat dissipating tube shield
US5055965A (en) * 1990-12-26 1991-10-08 Illinois Tool Works Inc. Method and apparatus for making capacitive structure and laminate useful in making same
US5464572A (en) * 1993-03-04 1995-11-07 Bonzi; Mario Device for humidifying and ionizing air
US6002573A (en) * 1998-01-14 1999-12-14 Ion Systems, Inc. Self-balancing shielded bipolar ionizer
US6205676B1 (en) * 1996-11-05 2001-03-27 Ebara Corporation Method and apparatus for removing particles from surface of article
US6332759B1 (en) * 1999-09-29 2001-12-25 Valeo Climatisation Heating and/or air-conditioning installation comprising a motor-driven fan unit

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FR2750003B1 (fr) * 1996-06-14 1998-08-14 Valeo Climatisation Module de commande, et ventilateur centrifuge associe, notamment pour installation de chauffage, ventilation et/ou climatisation de vehicule automobile
DE19651403A1 (de) 1996-12-11 1998-06-18 T E M Tech Entwicklung Und Man Mehrstufiges Luftgütesystem für Fahrzeugkabinen
KR19990023442U (ko) * 1997-12-05 1999-07-05 추호석 차량내의 먼지제거 및 음이온 발생장치
DE19836307A1 (de) * 1998-08-11 2000-02-24 Hoelter Heinz Elektrofilter-Luftentkeimungssytem für Kraftfahrzeuge in integrierter Form zur Klimaanlage
JP2000060948A (ja) * 1998-08-26 2000-02-29 Daikin Ind Ltd 空気清浄装置
KR20000007068U (ko) * 1998-09-25 2000-04-25 구자홍 공기조화기의 열교환기 결합장치
DE19933180C2 (de) 1999-07-15 2002-07-11 T E M Gmbh Apparat zur Entstaubung, Deodorierung und Sterilisierung von Luft sowie Verfahren zur Durchführung in einem derartigen Apparat
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Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3020451A (en) * 1957-11-25 1962-02-06 Int Electronic Res Corp Right angle heat dissipating tube shield
US5055965A (en) * 1990-12-26 1991-10-08 Illinois Tool Works Inc. Method and apparatus for making capacitive structure and laminate useful in making same
US5464572A (en) * 1993-03-04 1995-11-07 Bonzi; Mario Device for humidifying and ionizing air
US6205676B1 (en) * 1996-11-05 2001-03-27 Ebara Corporation Method and apparatus for removing particles from surface of article
US6002573A (en) * 1998-01-14 1999-12-14 Ion Systems, Inc. Self-balancing shielded bipolar ionizer
US6332759B1 (en) * 1999-09-29 2001-12-25 Valeo Climatisation Heating and/or air-conditioning installation comprising a motor-driven fan unit

Cited By (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20060079168A1 (en) * 2003-12-09 2006-04-13 Goldsmith Samuel W Method and apparatus for decontamination of automotive HVAC systems
US20070065347A1 (en) * 2004-05-25 2007-03-22 Bayerische Motoren Werke Aktiengesellschaft Apparatus and methods for disinfecting components of an air conditioning system in a motor vehicle
US7842233B2 (en) 2004-05-25 2010-11-30 Bayerische Motoren Werke Aktiengesellschaft Apparatus and methods for disinfecting components of an air conditioning system in a motor vehicle
US20100144261A1 (en) * 2007-04-18 2010-06-10 Robert Bosch Gmbh Device for controlling the ventilation apparatus for a motor vehicle interior
US9109610B2 (en) * 2009-03-25 2015-08-18 Ebm-Papst Mulfingen Gmbh & Co. Kg Radial blower
US20100254826A1 (en) * 2009-03-25 2010-10-07 Gunter Streng Radial Blower
CN101865146A (zh) * 2009-03-25 2010-10-20 依必安-派特穆尔芬根股份有限两合公司 离心式通风机
JP2013057428A (ja) * 2011-09-07 2013-03-28 Mitsubishi Electric Corp 空気調和装置の室内機
CN104420432A (zh) * 2013-08-28 2015-03-18 苏州宝时得电动工具有限公司 吹风装置
CN107009851A (zh) * 2015-12-15 2017-08-04 现代自动车株式会社 用于车辆的空气清洁系统和方法
US10343495B2 (en) * 2015-12-15 2019-07-09 Hyundai Motor Company Air cleaning system and method for vehicle
EP3388683A4 (en) * 2016-09-28 2019-03-13 Zhejiang Yilida Ventilator Co., Ltd. CENTRIFUGAL VOLUTE FAN WITH A PERMANENT MAGNET-FREE MOTOR SYSTEM
WO2019201802A1 (en) * 2018-04-17 2019-10-24 Sit S.P.A. Fan with a heat dissipation device associated with the controller board thereof
CN112140834A (zh) * 2020-09-23 2020-12-29 上海加冷松芝汽车空调股份有限公司 一种散热装置、调速模块及汽车空调

Also Published As

Publication number Publication date
KR100954972B1 (ko) 2010-04-29
DE50209394D1 (de) 2007-03-15
DE10209837A1 (de) 2003-09-25
EP1483124A1 (de) 2004-12-08
KR20040094765A (ko) 2004-11-10
WO2003074304A1 (de) 2003-09-12
JP4173819B2 (ja) 2008-10-29
JP2005518980A (ja) 2005-06-30
EP1483124B1 (de) 2007-01-24

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Owner name: ROBERT BOSCH GMBH, GERMANY

Free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNORS:HERSEL, WALTER;BREITLING, WOLFRAM;REEL/FRAME:016094/0436;SIGNING DATES FROM 20040308 TO 20040315

STCB Information on status: application discontinuation

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