[특허]Liquid over-feeding refrigeration system and method with integrated accumulator-expander-heat exchanger

Liquid over-feeding refrigeration system and method with integrated accumulator-expander-heat exchanger 원문보기

IPC분류정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	F25B-041/06
출원번호	US-0408248 (1995-03-22)
발명자 / 주소	Mei Viung C. (Oak Ridge TN) Chen Fang C. (Knoxville TN)
출원인 / 주소	Martin Marietta Energy Systems, Inc. (Oak Ridge TN 02)
인용정보	피인용 횟수 : 39 인용 특허 : 0

초록 ▼

A refrigeration system having a vapor compression cycle utilizing a liquid over-feeding operation with an integrated accumulator-expander-heat exchanger. Hot, high-pressure liquid refrigerant from the condenser passes through one or more lengths of capillary tubing substantially immersed in a pool liquid refrigerant in the accumulator-expander-heat exchanger for simultaneously sub-cooling and expanding the liquid refrigerant while vaporizing liquid refrigerant from the pool for the return thereof to the compressor as saturated vapor. The sub-cooling of the expanded liquid provides for the flow of liquid refrigerant into the evaporator for liquid over-feeding the evaporator and thereby increasing the efficiency of the evaporation cycle.

대표청구항 ▼

A refrigeration system comprising compressor means for compressing a vaporous refrigerant to an elevated pressure and an elevated temperature greater than ambient pressure and temperature, condensing means for condensing the compressed vaporous refrigerant to liquid refrigerant at substantially said elevated pressure and temperature, means for expanding the condensed liquid refrigerant to a substantially lower pressure than said elevated pressure, evaporator means for receiving and evaporating a major portion of the condensed liquid refrigerant after the expansion thereof to said substantially lower pressure, first conduit means connecting the compressor means to the condensing means, second conduit means connecting the condensing means to the evaporator means, third conduit means connecting the evaporator means to the compressor means, and housing means having a cavity therein containing a first portion of said second conduit means and a portion of said third conduit means and adapted to contain a pool of liquid refrigerant at a temperature lower than said substantially lower temperature, said portion of the third conduit means comprising first and second open-ended sections with said first section being adapted to receive and convey a mixture of liquid and vaporous refrigerant from the evaporator means into the cavity of said housing means for forming and replenishing the pool of liquid refrigerant therein and with said second section being adapted to receive and convey vaporous refrigerant from the cavity of said housing means to said compressor means, said first portion of said second conduit means defining said means for expanding the expanded liquid refrigerant and comprising elongated capillary tubing means essentially entirely containable within the pool of liquid refrigerant and adapted to receive and convey therethrough the condensed liquid refrigerant from the condensing means for the expansion thereof within said capillary tubing means to said substantially lower pressure, said condensed liquid refrigerant in the elongated capillary tubing means being disposed in a heat exchange relationship with said mixture of liquid and vaporous refrigerant and primarily with the liquid refrigerant in said pool of liquid refrigerant for cooling the condensed liquid refrigerant to a temperature of at least about 25°F. less than said elevated temperature and for converting liquid refrigerant in said pool to vaporous refrigerant for conveyance thereof along with vaporous refrigerant from said mixture to said compressor means through said second section of the third conduit means.

이 특허를 인용한 특허 (39)

Piesker, Markus, Accumulator arrangement for storing a refrigerating medium, and method of operating such an accumulator arrangement.
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Zhang, Chao A.; Mehraban, Henry; Gibbons, Jr., Richard G.; Urdea, Teodor, Accumulator with internal heat exchanger.
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Heckt, Roman; Graaf, Marc; Haas, Tobias, Air conditioning unit for motor vehicles and method for its operation.
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Ichimura,Nobuo; Fujiura,Katsunori; Ito,Kaoru, Air-conditioner.
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Lu, Qiao, Aircraft galley refrigeration system with multi-circuit heat exchanger.
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Wall, Charles B.; Craps, Terry; Schmidt, Charles R.; Brown, Matthew F. W., Apparatus and method for controlling the temperature of an integrated circuit device.
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Piesker, Markus; Kiryaman, Ahmet Kayihan; Roering, Sebastian, Cooling system and method for operating a cooling system.
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David A. Wightman, Expansion device for vapor compression system.
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David A. Wightman, Expansion device for vapor compression system.
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Wightman, David A., Expansion device for vapor compression system.
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Taha, Max; Weng, Ruofeng, Gas-liquid mixing device of beverage.
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Palmer, William Robert, Hybrid thermal cycle with independent refrigeration loop.
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Timothy R. Dickson CA; Wayne Whittle CA; Michelle M. Stobbart CA, Internal heat exchanger accumulator.
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Gilton, Terry L., Micro-machine and a method of powering a micro-machine.
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Palmer, William R., Mixing assembly and method for combining at least two working fluids.
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Choi, Jae Heuk; Kim, Hyung Soo; Lee, Yoon Beon; Chung, Baik Young; Chang, Se Dong, Multi-type air conditioner.
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Cochran, Robert W.; Cruz, Ricardo, Oil return system and method for active charge control in an air conditioning system.
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John O. Noble, III, Refrigerated intercooler.
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Gu, Junjie, Refrigeration system.
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Guckin, Brian E., Refrigeration system and method of operation therefor.
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Guckin, Brian E., Refrigeration system and method of operation therefor.
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DiPaolo, Frank E., Spiral copper tube and aluminum fin thermosyphon heat exchanger.
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Wightman, David, Surged vapor compression heat transfer systems with reduced defrost requirements.
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Parsonnet, Brian; Willis, Jr., Robert R.; Wiersma, Dean L., System and method for liquid-suction heat exchange thermal energy storage.
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Palmer, William Robert; Brace, Kenneth E., System and method of controlling wrapping flow in a fluid working apparatus.
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Palmer, William Robert; Brace, Kenneth E., System and method of utilizing a housing to control wrapping flow in a fluid working apparatus.
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Palmer, William Robert; Brace, Kenneth E., System and method of wrapping flow in a fluid working apparatus.
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Cowans, William W.; Zubillaga, Glenn W.; Cowans, Kenneth W., Thermal control system and method.
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Cowans, William W.; Zubillaga, Glenn W.; Cowans, Kenneth W., Thermal control system and method.
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David A. Wightman, Vapor compression system.
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David A. Wightman, Vapor compression system and method.
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Wightman David A., Vapor compression system and method.
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Wightman David A., Vapor compression system and method.
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Wightman, David A., Vapor compression system and method.
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Wightman, David A., Vapor compression system and method.
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Wightman, David A., Vapor compression system and method.
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Wightman, David A, Vapor compression system and method for controlling conditions in ambient surroundings.
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Wightman,David A., Vapor compression system and method for controlling conditions in ambient surroundings.
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Wightman, David A., Vapor compression systems, expansion devices, flow-regulating members, and vehicles, and methods for using vapor compression systems.
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IPC	Description
A	생활필수품
A62	인명구조; 소방(사다리 E06C)
A62B	인명구조용의 기구, 장치 또는 방법(특히 의료용에 사용되는 밸브 A61M 39/00; 특히 물에서 쓰이는 인명구조 장치 또는 방법 B63C 9/00; 잠수장비 B63C 11/00; 특히 항공기에 쓰는 것, 예. 낙하산, 투출좌석 B64D; 특히 광산에서 쓰이는 구조장치 E21F 11/00)
A62B-1/08	.. 윈치 또는 풀리에 제동기구가 있는 것

내보내기 구분	파일저장 인쇄 메일전송
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저장형식	Text(ASCII format) Excel format PIAS분석(.xls)
메일정보	받는사람 (필수) @ 보내는사람 (선택) @ 제목 내용 KISTI 검색결과 이메일 서비스
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연합인증

Liquid over-feeding refrigeration system and method with integrated accumulator-expander-heat exchanger 원문보기

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Liquid over-feeding refrigeration system and method with integrated accumulator-expander-heat exchanger 원문보기

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연구과제 타임라인

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이 특허를 인용한 특허 (39)

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