[특허]Temperature regulation apparatus for a motor vehicle, and methods of implementing the apparatus

Peugeot Citroen Automobiles SA; Visteon Global Technologies, Inc.

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특허 상세정보

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Temperature regulation apparatus for a motor vehicle, and methods of implementing the apparatus

특허상세정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	B60H-001/32
미국특허분류(USC)	062/239; 062/434
출원번호	US-0275921 (2001-05-14)
우선권정보	FR-0006116 (2000-05-15)
국제출원번호	PCT//FR01/01459 (2003-01-15)
§371/§102 date	20030115 (20030115)
국제공개번호	WO01//87652 (2001-11-22)
발명자 / 주소	Amaral, Manuel Gielda, Thomas
출원인 / 주소	Peugeot Citroen Automobiles SA Visteon Global Technologies, Inc.
대리인 / 주소	Oliff &
인용정보	피인용 횟수 : 4 인용 특허 : 6

초록
▼

The apparatus comprises a heat pump (12) having a main refrigerant circuit (14) taking heat from a cold source (16) and transferring it to a hot source (18), and a cooling circuit (48) for cooling an exothermal part, such as an engine, the cooling circuit being connected to a cooling heat exchanger (50). The cold source (16) has a first refrigerant/coolant heat exchanger (24) thermally coupling the main circuit to a first secondary coolant circuit (26) capable of being selectively connected to an “outside” heat exchanger (30), to a “cold” heat exchanger (32), and to the cooling heat exchanger (50). The hot source (18) has a second refrigerant/coolant heat exchanger (34) thermally coupling the main circuit (14) to a second secondary coolant circuit (36) capable of being selectively connected to the outside heat exchanger (30), to a “hot” heat exchanger (39), and to the cooling heat exchanger (50). The invention is applicable to air conditioning a vehicle cabin.

대표
청구항
▼

1. A motor vehicle temperature regulation apparatus, comprising:a heat pump comprising a main compression circuit for a refrigerant taking heat from a cold source to transfer it to a hot source; and a cooling system for cooling an exothermal part of the vehicle, the cooling system comprising a cooling circuit for a liquid coolant connected to a cooling heat exchanger; the cold source or the hot source having a refrigerant/coolant heat exchanger thermally coupling the main compression circuit to a secondary circuit for a liquid coolant, the secondary circuit selectively connected to at least two heat exchangers; wherein the secondary circuit is selectively connected to the cooling heat exchanger, to an outside heat exchanger, and to a hot or cold heat exchanger. 2. The apparatus according to claim 1, wherein:the cold source comprises a first refrigerant/coolant heat exchanger thermally coupling the main compression circuit to a first secondary coolant circuit selectively connected to the cooling heat exchanger, to the outside heat exchanger, and to the cold heat exchanger; and the hot source comprises a second refrigerant/coolant heat exchanger thermally coupling the main compression circuit to a second secondary coolant circuit selectively connected to the cooling heat exchanger, to the outside heat exchanger, and to the hot heat exchanger. 3. The apparatus according to claim 2, wherein the first and second secondary circuits are connected to the cooling circuit via:a first bypass valve of a three-port type comprising a first port connected to the outlets of the first and second refrigerant/coolant heat exchangers, a second port connected to the inlet of the outside heat exchanger, and a third port connected to a branch of the cooling circuit upstream from the cooling heat exchanger; and a second bypass valve of the three-port type comprising a first port connected to the inlets of the first and second refrigerant/coolant heat exchangers, a second port connected to a branch of the cooling circuit downstream from the cooling heat exchanger, and a third port connected to the outlet of the outside heat exchanger. 4. The apparatus according to claim 2, wherein the first and second secondary circuits are connected to the cooling circuit via:a first bypass valve of a two-port type comprising a first port connected to a branch of the cooling circuit upstream from the cooling heat exchanger, and a second port connected to branches of the first and second secondary circuits upstream from the outside heat exchanger; and a second bypass valve of the two-port type comprising a first port connected to a branch of the cooling circuit downstream from the cooling heat exchanger, and a second port connected to branches of the first and second secondary circuits downstream from the outside heat exchanger. 5. The apparatus according to claim 1, wherein the cooling heat exchanger is a coolant/air heat exchanger.6. The apparatus according to claim 1, wherein the liquid coolant of the cooling circuit is a mixture of water and antifreeze.7. The apparatus according to claim 1, wherein the outside heat exchanger and the cooling heat exchanger are interconnected to form a single module suitable for being preassembled prior to being mounted in the vehicle.8. The apparatus according to claim 1, wherein the exothermal part of the vehicle is a motor.9. A method of implementing the apparatus according to claim 1, comprising causing the liquid coolant of at least one of the secondary circuits to circulate through the outside heat exchanger and through the cooling heat exchanger.10. A method of implementing the apparatus according to claim 4, comprising causing the liquid coolant of the cooling circuit to circulate through the outside heat exchanger and the cooling heat exchanger.11. A motor vehicle temperature regulation apparatus, comprising:a heat pump comprising a main compression circuit for a refrigerant fluid taking heat from a cold source to transfer it to a hot source; and cooling means for cooling an exothermal part of the vehicle, the cooling means comprising a cooling circuit for liquid coolant connected to a cooling heat exchanger; wherein the cold source or the hot source has a refrigerant/coolant heat exchanger thermally coupling the main compression circuit to a secondary circuit for a liquid coolant; and means for allowing the secondary circuit to be connected selectively to each of three heat exchangers chosen among the cooling heat exchanger, an outside heat exchanger, a hot heat exchanger and a cold heat exchanger. 12. The apparatus according to claim 11, wherein:the cold source comprises a first refrigerant/coolant heat exchanger thermally coupling the main compression circuit to a first secondary coolant circuit; the hot source comprises a second refrigerant/coolant heat exchanger thermally coupling the main compression circuit to a second secondary coolant circuit; first connecting means for allowing the first secondary coolant circuit to be connected selectively to each of the cooling heat exchanger, the outside heat exchanger and the cold heat exchanger; and second connecting means for allowing the second secondary coolant circuit to be connected selectively to each of the cooling heat exchanger, the outside heat exchanger and the cold heat exchanger. 13. The apparatus according to claim 12 further comprising, connecting means for allowing the first and second secondary circuits to be connected to the cooling circuit, the connecting means comprising:a first bypass valve of a three-port type comprising a first port connected to the outlets of the first and second refrigerant/coolant heat exchangers, a second port connected to the inlet of the outside heat exchanger, and a third port connected to a branch of the cooling circuit upstream from the cooling heat exchanger; and a second bypass valve of the three-port type comprising a first port connected to the inlets of the first and second refrigerant/coolant heat exchangers, a second port connected to a branch of the cooling circuit downstream from the cooling heat exchanger, and a third port connected to the outlet of the outside heat exchanger. 14. The apparatus according to claim 12 further comprising, connecting means for allowing the first and second secondary circuits to be connected to the cooling circuit, the connecting means comprising:a first bypass valve of a two-port type comprising a first port connected to a branch of the cooling circuit upstream from the cooling heat exchanger, and a second port connected to branches of the first and second secondary circuits upstream from the outside heat exchanger; and a second bypass valve of the two-port type comprising a first port connected to a branch of the cooling circuit downstream from the cooling heat exchanger, and a second port connected to branches of the first and second secondary circuits downstream from the outside heat exchanger. 15. The apparatus according to claim 11, wherein the cooling heat exchanger is a coolant/air heat exchanger.16. The apparatus according to claim 11, wherein the coolant liquid of the cooling circuit is a mixture of water and antifreeze.17. The apparatus according to claim 11, wherein the outside heat exchanger and the cooling heat exchanger are interconnected to form a single module suitable for being preassembled prior to being mounted in the vehicle.18. The apparatus according to claim 11, wherein the exothermal part of the vehicle is a motor.19. A method of implementing the apparatus according to claim 14, comprising causing the coolant liquid of at least one of the secondary circuits to circulate through the outside heat exchanger and through the cooling heat exchanger.20. A method of implementing the apparatus according to claim 14, comprising causing the coolant liquid of the cooling circuit to circulate through the outside heat exchanger and the cooling heat exchanger.

이 특허에 인용된 특허 (6)

이 특허를 인용한 특허 피인용횟수: 4

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Temperature regulation apparatus for a motor vehicle, and methods of implementing the apparatus

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