[특허]Absorption-type cooling device and associated motor vehicle

Ecoclim S.A.

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특허 상세정보

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내보내기 페이스북 공유 트위터 공유 카카오톡 공유

Absorption-type cooling device and associated motor vehicle

특허상세정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	F25B-015/00 F25B-027/00 B60H-001/32 F24B-001/06 F28D-007/10
미국특허분류(USC)	062/476; 062/238; 062/244; 062/101; 165/115; 165/140
출원번호	US-0299260 (2007-05-02)
등록번호	US-8561423 (2013-10-22)
우선권정보	FR-06 51567 (2006-05-02)
국제출원번호	PCT/FR2007/000748 (2007-05-02)
§371/§102 date	20090227 (20090227)
국제공개번호	WO03/048659 (2003-06-12)
발명자 / 주소	Boudard, Emmanuel Bruzzo, Vital
출원인 / 주소	Ecoclim S.A.
대리인 / 주소	Seckel, Nicolas E.
인용정보	피인용 횟수 : 0 인용 특허 : 22

초록
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This device (11) comprises a generator (33) for separating a mixed fluid into a refrigerant fluid and an absorbent fluid. It comprises a refrigerant fluid condenser (35), linked to a generator (33) and an evaporator (51) of refrigerant fluid linked to a condenser (35) by a feeder conduit (61) into refrigerant fluid. This device (11) also comprises a refrigerant fluid absorber (55) linked to an evaporator (51) and a generator (33). The device (11) comprises a refrigeration circuit (53) using refrigerant fluid. The circuit (53) is linked to at least a first heat exchanger (77) located outside the evaporator (51). The circuit (53) is linked to at least a first evaporation area of the evaporator (51), up and down stream from the first heat exchanger (77) to make part of the refrigerant circulate as a refrigerant fluid in the refrigeration circuit (53). For application in air conditioning for motor vehicles.

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청구항
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1. Absorption cooling device comprising: a generator for generating cooling fluid and absorbent fluid by separating a mixed fluid;a cooling fluid condenser, which is connected to the generator;a cooling fluid evaporator which is connected to the condenser by means of a cooling fluid supply conduit, the evaporator having at least one region for evaporation of the cooling fluid in which the cooling fluid supply conduit opens;a cooling fluid absorber which is connected to the evaporation region and which is connected to the generator by means of an absorbent fluid supply conduit and a mixed fluid discharge conduit; anda cooling circuit comprising a cooling fluid circulation conduit for circulation of cooling fluid which has an upstream inlet and a downstream outlet which are connected to the evaporation region, the cooling fluid circulation conduit comprising a reservoir of cooling fluid, a pump and a first heat-exchanger which are mounted in series,wherein the first heat-exchanger is arranged downstream of the reservoir of cooling fluid and mounted higher than the reservoir of cooling fluid so that cooling fluid in the first heat-exchanger is allowed to migrate into the reservoir by means of gravity when the pump is idle,wherein the pump is arranged between the reservoir of cooling fluid and the first heat-exchanger,wherein the cooling fluid circulation conduit is provided with (i) a controllable blocking valve which is arranged between the upstream inlet of the cooling fluid circulation conduit and the reservoir so as to limit filling of the reservoir and prevent evaporation of the cooling fluid from the reservoir toward the evaporator when the device is inactive, and (ii) a non-return valve which is arranged between the first heat-exchanger and the downstream outlet of the cooling fluid circulation conduit in order not to discharge the cooling fluid present in this portion of the conduit into the evaporator in the event of the pump stopping. 2. Device according to claim 1, wherein the cooling circuit opens upstream in a downstream portion of the evaporation region and opens downstream in an upstream portion of the evaporation region. 3. Device according to claim 1, wherein the evaporation region comprises at least one evaporation plate, the cooling circuit comprising means for wetting the evaporation plate supplied by the cooling circuit and the cooling fluid supply conduit. 4. Device according to claim 1, wherein the discharge conduit comprises a cooling circuit which comprises a reservoir of mixed fluid, a pump and a second heat-exchanger which are mounted in series and a mixed fluid branch conduit which has an upstream inlet for the conduit common to the discharge conduit and a downstream outlet which is connected to the absorption region in order to recycle a portion of the mixed fluid directly into the absorber. 5. Device according to claim 4, wherein the branch conduit comprises a non-return valve. 6. Device according to claim 4, wherein the cooling circuit comprises a controllable blocking valve which is arranged upstream of the reservoir of mixed fluid. 7. Device according to claim 4, wherein the absorption region comprises at least one absorption plate, the cooling circuit comprising means for wetting the absorption plate which are supplied via the branch conduit and via the absorbent fluid supply conduit. 8. Device according to claim 4, wherein the evaporation region and the absorption region are located facing each other and together delimit a chamber for evaporated cooling fluid to migrate from the evaporator towards the absorber. 9. The device according to claim 1, wherein the evaporator comprises at least one porous plate and a liquid cooling fluid collector arranged below a lower downstream portion of the plate. 10. The device according to claim 1, wherein the absorber comprises a porous absorption plate and a mixed fluid collector arranged below a lower downstream portion of the plate. 11. The device according to claim 1, wherein the mixed fluid discharge conduit has an upstream inlet and a downstream outlet which are connected to the absorber,wherein the mixed fluid discharge conduit comprises a mixed fluid reservoir and a second heat-exchanger located downstream of the mixed fluid reservoir, and a mixed fluid circulation pump located between the mixed fluid reservoir and the second heat-exchanger,wherein the mixed fluid discharge conduit circuit is provided with (i) a second valve which is arranged between the upstream inlet of the mixed fluid discharge circuit and the mixed fluid reservoir so as to isolate the mixed fluid reservoir from the absorber, and (ii) a second non-return valve which is arranged between the second heat-exchanger and the downstream outlet of the mixed fluid discharge conduit in order not to discharge the mixed fluid present in this portion of the discharge conduit into the absorber in the event of the mixed fluid circulation pump stopping. 12. The device according to claim 11, wherein the mixed fluid discharge conduit opens to an inlet of the generator and a third non-return valve is located upstream of the inlet of the generator. 13. Motor vehicle comprising: a front face which is capable of receiving an external flow of air;a climate-control assembly for the passenger space; anda device according to claim 1, the first heat-exchanger being placed in a heat-exchange relationship with the climate-control assembly. 14. Motor vehicle according to claim 13, wherein the generator is supplied by the heat produced by the engine of the vehicle. 15. Motor vehicle according to claim 14, wherein the supply of the generator is controlled by means of an output control valve placed in the cooling system of the engine. 16. Motor vehicle comprising: a front face which is capable of receiving an external flow of air, and a radiator located in the front face;a climate-control assembly for the passenger space; anda device according to claim 4,wherein the first heat-exchanger are placed in a heat-exchange relationship with the climate-control, andwherein the second heat-exchanger and the cooling fluid condenser are arranged beside each other on the front face in an upstream position relative to the radiator in a flow direction of air in the front face in order to receive the coldest air available. 17. Motor vehicle comprising: a front face which is capable of receiving an external flow of air, and a radiator located in the front face;a climate-control assembly for the passenger space; anda device according to claim 4,wherein the first heat-exchanger are placed in a heat-exchange relationship with the climate-control, andwherein the second heat-exchanger and the cooling fluid condenser are arranged one on top of the other on the front face in an upstream position relative to the radiator a flow direction of air in the front face in order to receive the coldest air available. 18. Vehicle according to claim 17, wherein the second heat-exchanger and the condenser have a same cooling member with two separate circulation circuits in order to reduce the thickness of the front face. 19. Motor vehicle comprising: a front face which is capable of receiving an external flow of air, and a radiator located in the front face;a climate-control assembly for the passenger space; anda device according to claim 11,wherein the first heat-exchanger are placed in a heat-exchange relationship with the climate-control, andwherein the second heat-exchanger and the cooling fluid condenser are arranged beside each other on the front face in an upstream position relative to the radiator a flow direction of air in the front face in order to receive the coldest air available. 20. Motor vehicle comprising: a front face which is capable of receiving an external flow of air, and a radiator located in the front face;a climate-control assembly for the passenger space; anda device according to claim 11,wherein the first heat-exchanger are placed in a heat-exchange relationship with the climate-control, andwherein the second heat-exchanger and the cooling fluid condenser are arranged one on top of the other on the front face in an upstream position relative to the radiator a flow direction of air in the front face in order to receive the coldest air available.

인용문헌 (22)

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Absorption-type cooling device and associated motor vehicle

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Absorption-type cooling device and associated motor vehicle

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