EP1988612A2 - Dispositif de refroidissement mobile fonctionnant à l'aide d'un courant continu à basse tension - Google Patents

Dispositif de refroidissement mobile fonctionnant à l'aide d'un courant continu à basse tension Download PDF

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Publication number
EP1988612A2
EP1988612A2 EP08008286A EP08008286A EP1988612A2 EP 1988612 A2 EP1988612 A2 EP 1988612A2 EP 08008286 A EP08008286 A EP 08008286A EP 08008286 A EP08008286 A EP 08008286A EP 1988612 A2 EP1988612 A2 EP 1988612A2
Authority
EP
European Patent Office
Prior art keywords
voltage
low
cooling device
connector
combined
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.)
Withdrawn
Application number
EP08008286A
Other languages
German (de)
English (en)
Other versions
EP1988612A3 (fr
Inventor
Peter Wähning
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.)
Dometic Sweden AB
Original Assignee
Dometic Waeco International 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 Dometic Waeco International GmbH filed Critical Dometic Waeco International GmbH
Publication of EP1988612A2 publication Critical patent/EP1988612A2/fr
Publication of EP1988612A3 publication Critical patent/EP1988612A3/fr
Withdrawn legal-status Critical Current

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Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R27/00—Coupling parts adapted for co-operation with two or more dissimilar counterparts
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R31/00—Coupling parts supported only by co-operation with counterpart
    • H01R31/06—Intermediate parts for linking two coupling parts, e.g. adapter
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B27/00—Machines, plants or systems, using particular sources of energy

Definitions

  • the invention relates to a low-voltage direct current operated cooling device according to the preamble of claims 1 and 4.
  • coolers ie coolers, refrigerators, coolers and the like, which are permanently installed for recreational use, in vehicles or boats or optionally available to the electricity supply with low-voltage or high-voltage, ie usually with 12 or 24 volts DC or 110 Alternatively, or alternatively, to operate 230 volts AC, where the cooler is low voltage driven units, such as a compressor or Peltier element, a dual power supply is commonly used, such that a lead wire is directly connected to a low voltage socket on the cooler and other ends is plugged into a low voltage socket or socket.
  • low voltage driven units such as a compressor or Peltier element
  • a high-voltage / low-voltage converter which is connected at its high-voltage input with a connecting cable with high-voltage connector and at its output side via low-voltage cables to the cooling device.
  • the converter can be incorporated in the cooling device or it can be used in a supply line external converter ( DE 89 12 320 U1 ).
  • the socket actuating means, for example in the form of electrical power switches, such as a relay switch provided by which either the voltage applied to one or the other power supply line voltage is switched through to a plug contact of the socket.
  • the socket has detection means, such as an electric coil, which detects the voltage requirement of the device to be connected and forwards this signal to the switching means.
  • the device-side connector has an identification means which cooperates with the detection means of the socket. Due to the parallel provision of several different electrical voltages from separate voltage sources and automatically operating switching means so a device-side current transformer is superfluous.
  • U1 is a plug-in unit for charging rechargeable devices known that require DC electrical power.
  • an adapter plug is used, which can be used either with an adapter socket for DC voltage or with an adapter socket for AC voltage.
  • the adapter socket for AC voltage has a rectifier circuit, so that applied to it AC is passed as DC to the adapter plug.
  • the user must therefore carry two different loose adapter sockets in the form of an AC adapter and in the form of a DC adapter to recharge the device to be recharged with the correct voltage, the AC plug is additionally burdened by the weight of a current transformer.
  • From the DE 196 24 435 A1 is a multi-range voltage power supply with automatic range switching for various supply voltages known, which has only two input terminals for an input voltage range between about 20 and 230 volts.
  • the DE 103 41 718 A1 describes a multiple electrical coupling which allows one to selectively connect different terminal plugs to a two-wire electrical lead, the female terminals being arranged for one plug type between the female terminals for the other plug type.
  • thermoelectrically coolable or heatable mobile boxes with a 12 volt connection for a car battery and to integrate a voltage converter, which also makes it possible to connect the device with AC voltages of eg 220 volts and transform them down to 12 volts.
  • the invention has for its object to simplify the optional supply of a mobile operated with low-voltage cooling device with high-voltage or low-voltage supply voltage.
  • the invention is based essentially on the double assignment of a connecting line and a connector with both high voltage and low voltage, so that a second connection line for one or the other power supply is unnecessary and operated solely with low-voltage power supply mobile cooling device only a single Connecting cable required, which simplifies the handling for the end user considerably, requires less storage space for connection cable and causes less costs.
  • a single connector thus transfers high and low voltage to a consumer, without the need for multiple adapters.
  • Such a combination plug requires at most a single adapter in the case of different sockets for high and low voltage. Any switchover takes place on the device side or in the combination plug.
  • the combined high-voltage / low-voltage connector device-fixed it is possible to arrange the combined high-voltage / low-voltage connector device-fixed and to use a connectable via a corresponding connector socket separate connection line.
  • the connection line can be permanently electrically connected to the device side and have the combined high-voltage / low-voltage connection plug at its end remote from the cooling device.
  • the combined high-voltage / low-voltage connector preferably has conventional contact pins for the transmission of high-voltage, which are usually arranged in a median plane of the connector.
  • the combined high-voltage / low-voltage connector plug can be designed in various ways: In a first design, it is provided only with its two contact pins. Both contact pins and the adjoining two-wire connection line are then, preferably device-integrated, both connected to the high-voltage side of the converter and to the low-voltage side of the converter.
  • the resulting bypass lines of the converter are each provided with a switching device, such as a einpoligem switching relay and an on / off switch and normally open normally open.
  • the switching devices When a low-voltage voltage is applied, it is detected in a suitable manner known per se, and the switching devices are actuated in the sense of closing the bypass line, so that low-voltage voltage is applied directly to the cooling device.
  • the combined high-voltage / low-voltage connector is additionally provided with two low-voltage contacts, preferably in the form of a socket, and two further conductors are provided in the connection lead, which bypasses the transducer with the interposition of switching devices, as described in the first embodiment the cooling device electrically connected.
  • the connecting line is three-wire, with two wires of the Hocfivoltnapssmakers serve and the third wire alone Niedärvoltnapssmakers serves.
  • One of the conductors provided for high-voltage power supply then optionally also serves the low-voltage power supply, as will be explained in more detail in the embodiments.
  • low-voltage means any below about 40 volts lying AC or, preferably DC voltage, while a high-voltage in the context of the invention is above about 40 volts DC voltage or preferably AC voltage.
  • an adapter or an adapter line is preferably used, one end of a connector socket is provided, which corresponds to the combined high-voltage / low-voltage connector and other ends a conventional low-voltage connector is provided.
  • the combined high-voltage / low-voltage connector has a substantially cylindrical design, as is common in the high-voltage range as a grounded plug.
  • the protective contact known per se in these earthing contacts is preferably used in the invention alone as a low-voltage contact, preferably for the positive pole.
  • This contact may have a design of its own design, but it can also be designed as the paired spring contact or a protective contact socket, as they are known at least in the European area for 230 volt safety plug.
  • the provided with protective contact socket plug shapes have the advantage that they are from the outset, as preferred, reverse polarity, since they are asymmetrical with respect to the two pins. In the invention, an approximately desired polarity reversal but can also be achieved otherwise on the design of the connector.
  • a low-voltage direct current power supply according to the invention can also be used for other mobile low-voltage direct current consumers, without departing from the inventive idea of the invention, for example for electrically operated hand tools, electronic data processing or communication devices, mobile paper printers, mobile television sets and others
  • a switching device provided in this bypass line is of particular importance, which switches open when bypassing high voltage voltage bypass line. This prevents low-voltage voltage from being fed back into the combined high-voltage / low-voltage connector via the low-voltage output of the converter, ie high-voltage and low-voltage are simultaneously applied to this connector.
  • an adapter can be dispensed with.
  • the cross-section of the low-voltage-carrying conductor of the connecting line can be selected according to the usual low-voltage supply voltage comparatively high currents, so be greater than the cross sections of the intended high-voltage supply voltage conductor.
  • the two conductors used for high-voltage supply voltage can be used on the device side common concerns, so parallel to the transmission of low-voltage supply current at concerns of low voltage.
  • a further provided with switching devices bypass line is provided, which also connects the second high-voltage line to the negative pole (or alternatively plus pole) of the low-voltage output of the converter.
  • the cable cross-sections intended for high-voltage supply voltage can be shared with low-voltage supply voltages.
  • a low-voltage direct current power supply according to the invention can also be used for other mobile low-voltage direct current consumers, without departing from the inventive idea of the invention, for example for electrically operated hand tools, electronic data processing or communication devices, mobile paper printers, mobile television sets and others
  • the single figure shows schematically a cooling device 1 in the form of a compressor or Peltier element operated with 12 volts DC, which is electrically connected to a low-voltage conductor pair 13A, 13B with the low-voltage side of a transducer 2.
  • the converter 2 converts an alternating voltage of, for example, 230 volts present in its high-voltage side into, for example, 12 volts DC on its low-voltage side.
  • the converter 2 On its high-voltage side, the converter 2 is electrically conductively connected via a high-voltage current conductor pair 14A, 14B with parallel contact pins 5A, 5B of a combined high-voltage / low-voltage connector plug 4.
  • the generally designated 3, in the exemplary embodiment flexible connecting line 3 has a low-voltage current conductor 13A, the plug side in a low-voltage contact 6 in the form of a socket electrically bundles.
  • the low-voltage current conductor 13A bypasses the converter 2 and is connected to the positive pole on its low-voltage side.
  • a switching device 12A in the form of a single-pole relay 12A is provided, that the bypass line keeps open when high voltage supply voltage, which is detected at the converter 2 by a known per se voltage detection circuit.
  • a low-voltage bypass line 13B is shown in the figure, which can electrically conductively connect the high-voltage conductor 14A to the negative pole of the low-voltage output of the converter 2, when applied to the combined high-voltage / low-voltage connector 4 low-voltage. If this case is detected by the converter 2, the switching device 12 B closes this further bypass line of the converter so that the cross sections of both high-voltage current conductors 14A, 14B are used in common for the transmission of low-voltage supply voltage.
  • the combined high-voltage / low-voltage connector 4 is essentially cylindrical in its design and corresponds to a conventional 230 volt safety contact plug for AC power supply. Accordingly, the connection socket 7 of the adapter 8 is configured. Alternatively, the tab and socket types that are more widely used in the 230 volt range may also be used (not shown) when a two-wire lead 3 is used. A special nose or groove on the tab, which corresponds to a groove or nose on the flat axis, makes it possible to ensure reverse polarity protection.

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EP08008286A 2007-04-30 2008-04-30 Dispositif de refroidissement mobile fonctionnant à l'aide d'un courant continu à basse tension Withdrawn EP1988612A3 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE200720006292 DE202007006292U1 (de) 2007-04-30 2007-04-30 Mit Niedervoltgleichstrom betriebene mobile Kühleinrichtung

Publications (2)

Publication Number Publication Date
EP1988612A2 true EP1988612A2 (fr) 2008-11-05
EP1988612A3 EP1988612A3 (fr) 2010-12-08

Family

ID=39689022

Family Applications (1)

Application Number Title Priority Date Filing Date
EP08008286A Withdrawn EP1988612A3 (fr) 2007-04-30 2008-04-30 Dispositif de refroidissement mobile fonctionnant à l'aide d'un courant continu à basse tension

Country Status (2)

Country Link
EP (1) EP1988612A3 (fr)
DE (1) DE202007006292U1 (fr)

Cited By (23)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE202013005149U1 (de) 2013-06-07 2014-09-08 Dometic Sweden Ab Mobiles elektrisches Gerät mit Stromanschlusskabel für Wechsel- und Gleichspannungsbetrieb
USD917036S1 (en) 2018-02-20 2021-04-20 Dometic Sweden Ab Air distribution box
US11376925B2 (en) 2018-04-16 2022-07-05 Dometic Sweden Ab Air distribution apparatus
US11571945B2 (en) 2018-12-21 2023-02-07 Dometic Sweden Ab Roof top air conditioner unit, methods for producing, assembling and installing the roof top air conditioner unit and vehicle with the roof top air conditioner unit
US11752827B2 (en) 2019-08-28 2023-09-12 Dometic Sweden Ab Air conditioner
USD1010080S1 (en) 2020-05-15 2024-01-02 Dometic Sweden Ab Housing for air conditioning apparatus
US11933285B2 (en) 2018-04-23 2024-03-19 Dometic Sweden Ab Damped mobile compressor
US11951798B2 (en) 2019-03-18 2024-04-09 Dometic Sweden Ab Mobile air conditioner
USD1027143S1 (en) 2021-07-12 2024-05-14 Dometic Sweden Ab Housing shroud for an air conditioner
US11987093B2 (en) 2019-03-18 2024-05-21 Dometic Sweden Ab Mobile air conditioner
USD1057118S1 (en) 2021-08-16 2025-01-07 Dometic Sweden Ab Housing for a heat exchanger
US12233682B2 (en) 2018-06-18 2025-02-25 Dometic Sweden Ab Heating, ventilation and air conditioning system with illumination
US12263717B2 (en) 2020-07-09 2025-04-01 Dometic Sweden Ab Air outlet, heater or air conditioning unit with such an air outlet, recreational vehicle with an air outlet, heater and/or air conditioning unit and methods for attaching, operating and converting an air outlet
US12264874B2 (en) 2018-06-18 2025-04-01 Dometic Sweden Ab Heating, ventilation and air conditioning system with illumination
US12291078B2 (en) 2020-05-15 2025-05-06 Dometic Sweden Ab Air conditioning unit
USD1073892S1 (en) 2021-01-26 2025-05-06 Dometic Sweden Ab Air conditioning housing
US12358343B2 (en) 2019-08-28 2025-07-15 Dometic Sweden Ab Climatization and window system for mobile homes
US12377704B2 (en) 2019-08-28 2025-08-05 Dometic Sweden Ab Component of climatization system or window system
US12377705B2 (en) 2020-05-15 2025-08-05 Dometic Sweden Ab Air conditioning unit
US12539734B2 (en) 2019-01-23 2026-02-03 Dometic Sweden Ab Combination of roof top air conditioning unit base pan and air inlet duct
US12558936B2 (en) 2021-01-20 2026-02-24 Dometic Sweden Ab Heating arrangement and heat distribution unit for such a heating arrangement
US12565081B2 (en) 2021-01-26 2026-03-03 Dometic Sweden Ab Air conditioning system for a vehicle
US12589627B2 (en) 2019-08-28 2026-03-31 Dometic Sweden Ab Structure for moving wire from exterior to interior of a vehicle

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1962435A1 (de) 1969-12-12 1971-06-16 Siemens Ag Verfahren zum serienmaessigen Verschweissen von Draehten,insbesondere von elektrischen Leitern
DE8912320U1 (de) 1989-09-12 1991-01-31 Cox, Werner, 4173 Kerken Kühl- bzw. Wärmebox für Kraftfahrzeuge
DE29705730U1 (de) 1997-03-25 1997-06-05 Lee, Jung-Kuo, Tainan Steckereinheit
US5829993A (en) 1996-12-16 1998-11-03 Formosa Electronic Industries Inc. Charger with a replaceable electrical plug
DE10004098A1 (de) 1999-02-04 2000-08-10 Obergrusberger Richard Elektrische Kombinationssteckverbindung
DE10341718A1 (de) 2003-09-10 2005-04-14 E-lektra Gesellschaft für elektrotechnische Geräte mbH Elektrische Mehrfachkupplung

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE9204821U1 (de) * 1992-04-07 1992-07-02 Lee, Richard M.L., Taipeh/T'ai-pei Universal-Netzanschlußadapter
US5369255A (en) * 1993-06-18 1994-11-29 Sherer; Shane Combined microwave unit and food carrier
DE19644435A1 (de) * 1996-10-25 1998-05-07 Kloeckner Moeller Gmbh Mehrbereichs-Spannungsnetzteil
US6057610A (en) * 1997-05-21 2000-05-02 Selfcharge Inc. Lighter plug DC outlet and single AC and DC plug with adapter circuit
US5940282A (en) * 1998-02-02 1999-08-17 Motorola, Inc. Dual range power supply and adapter for use with same
DE202004010081U1 (de) * 2004-06-25 2004-08-26 Waeco International Gmbh Anordnung für thermoelektrisch arbeitende 12-Volt-Kühlgeräte und 12-Volt-Kühlgerät mit einer solchen Anordnung sowie Deckel für eine 12-Volt-Kühlbox
DE202006009351U1 (de) * 2006-06-14 2006-08-17 Krämer, Eugen D. Mobiles Kühlgerät

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1962435A1 (de) 1969-12-12 1971-06-16 Siemens Ag Verfahren zum serienmaessigen Verschweissen von Draehten,insbesondere von elektrischen Leitern
DE8912320U1 (de) 1989-09-12 1991-01-31 Cox, Werner, 4173 Kerken Kühl- bzw. Wärmebox für Kraftfahrzeuge
US5829993A (en) 1996-12-16 1998-11-03 Formosa Electronic Industries Inc. Charger with a replaceable electrical plug
DE29705730U1 (de) 1997-03-25 1997-06-05 Lee, Jung-Kuo, Tainan Steckereinheit
DE10004098A1 (de) 1999-02-04 2000-08-10 Obergrusberger Richard Elektrische Kombinationssteckverbindung
DE10341718A1 (de) 2003-09-10 2005-04-14 E-lektra Gesellschaft für elektrotechnische Geräte mbH Elektrische Mehrfachkupplung

Cited By (36)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2014195031A1 (fr) 2013-06-07 2014-12-11 Dometic Sweden Ab Appareil électrique portable avec câble d'alimentation pour un fonctionnement en tension alternative et en tension continue
DE202013005149U1 (de) 2013-06-07 2014-09-08 Dometic Sweden Ab Mobiles elektrisches Gerät mit Stromanschlusskabel für Wechsel- und Gleichspannungsbetrieb
USD917036S1 (en) 2018-02-20 2021-04-20 Dometic Sweden Ab Air distribution box
USD1086427S1 (en) 2018-02-20 2025-07-29 Dometic Sweden Ab Air distribution box
USD1006977S1 (en) 2018-02-20 2023-12-05 Dometic Sweden Ab Air distribution box
US12194814B2 (en) 2018-04-16 2025-01-14 Dometic Sweden Ab Air distribution apparatus
US11376925B2 (en) 2018-04-16 2022-07-05 Dometic Sweden Ab Air distribution apparatus
US11760167B2 (en) 2018-04-16 2023-09-19 Dometic Sweden Ab Air distribution apparatus
US12497958B2 (en) 2018-04-23 2025-12-16 Dometic Sweden Ab Damped mobile compressor
US11933285B2 (en) 2018-04-23 2024-03-19 Dometic Sweden Ab Damped mobile compressor
US12233682B2 (en) 2018-06-18 2025-02-25 Dometic Sweden Ab Heating, ventilation and air conditioning system with illumination
US12264874B2 (en) 2018-06-18 2025-04-01 Dometic Sweden Ab Heating, ventilation and air conditioning system with illumination
US12090811B2 (en) 2018-12-21 2024-09-17 Domestic Sweden Ab Roof top air conditioner unit, methods for producing, assembling and installing the roof top air conditioner unit and vehicle with the roof top air conditioner unit
US11571945B2 (en) 2018-12-21 2023-02-07 Dometic Sweden Ab Roof top air conditioner unit, methods for producing, assembling and installing the roof top air conditioner unit and vehicle with the roof top air conditioner unit
US12539734B2 (en) 2019-01-23 2026-02-03 Dometic Sweden Ab Combination of roof top air conditioning unit base pan and air inlet duct
US12427828B2 (en) 2019-03-18 2025-09-30 Dometic Sweden Ab Mobile air conditioner
US11987093B2 (en) 2019-03-18 2024-05-21 Dometic Sweden Ab Mobile air conditioner
US11951798B2 (en) 2019-03-18 2024-04-09 Dometic Sweden Ab Mobile air conditioner
US11752827B2 (en) 2019-08-28 2023-09-12 Dometic Sweden Ab Air conditioner
US12358343B2 (en) 2019-08-28 2025-07-15 Dometic Sweden Ab Climatization and window system for mobile homes
US12589627B2 (en) 2019-08-28 2026-03-31 Dometic Sweden Ab Structure for moving wire from exterior to interior of a vehicle
US12377704B2 (en) 2019-08-28 2025-08-05 Dometic Sweden Ab Component of climatization system or window system
US12291078B2 (en) 2020-05-15 2025-05-06 Dometic Sweden Ab Air conditioning unit
USD1114953S1 (en) 2020-05-15 2026-02-24 Dometic Sweden Ab Housing for air conditioning apparatus
USD1053326S1 (en) 2020-05-15 2024-12-03 Dometic Sweden Ab Air conditioning housing
US12377705B2 (en) 2020-05-15 2025-08-05 Dometic Sweden Ab Air conditioning unit
USD1053327S1 (en) 2020-05-15 2024-12-03 Dometic Sweden Ab Housing portion for air conditioning apparatus
USD1010080S1 (en) 2020-05-15 2024-01-02 Dometic Sweden Ab Housing for air conditioning apparatus
US12263717B2 (en) 2020-07-09 2025-04-01 Dometic Sweden Ab Air outlet, heater or air conditioning unit with such an air outlet, recreational vehicle with an air outlet, heater and/or air conditioning unit and methods for attaching, operating and converting an air outlet
US12558936B2 (en) 2021-01-20 2026-02-24 Dometic Sweden Ab Heating arrangement and heat distribution unit for such a heating arrangement
USD1073892S1 (en) 2021-01-26 2025-05-06 Dometic Sweden Ab Air conditioning housing
US12565081B2 (en) 2021-01-26 2026-03-03 Dometic Sweden Ab Air conditioning system for a vehicle
USD1027143S1 (en) 2021-07-12 2024-05-14 Dometic Sweden Ab Housing shroud for an air conditioner
USD1066626S1 (en) 2021-07-12 2025-03-11 Dometic Sweden Ab Housing shroud for an air conditioner
USD1067400S1 (en) 2021-07-12 2025-03-18 Dometic Sweden Ab Housing for an air conditioner
USD1057118S1 (en) 2021-08-16 2025-01-07 Dometic Sweden Ab Housing for a heat exchanger

Also Published As

Publication number Publication date
EP1988612A3 (fr) 2010-12-08
DE202007006292U1 (de) 2008-09-11

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