[특허]Integrated aqua-ammonia chiller/heater with heater mode absorber by-pass

Rocky Research

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특허 상세정보

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내보내기 페이스북 공유 트위터 공유 카카오톡 공유

Integrated aqua-ammonia chiller/heater with heater mode absorber by-pass

특허상세정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	F25B-015/00
미국특허분류(USC)	062/324.2; 062/476
출원번호	US-0753930 (2004-01-08)
발명자 / 주소	Sarkisian, Paul Rockenfeller, Uwe
출원인 / 주소	Rocky Research
대리인 / 주소	Knobbe, Martens, Olson & Bear, LLP
인용정보	피인용 횟수 : 1 인용 특허 : 15

초록

An aqua-ammonia chiller/heater apparatus is modified to provide a condenser and absorber refrigerant by-pass during a heater mode.

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1. An aqua-ammonia absorption apparatus for selective chiller/heater operation comprising:an absorber assembly, a generator assembly, a first fluid loop for directing fluid between said absorber and generator assemblies, said first fluid loop comprising first fluid piping for directing fluid from said absorber assembly to said generator assembly and second fluid piping for directing weak absorption fluid from said generator assembly to said absorber assembly;a condenser, and a heat exchanger for selectively functioning as a condenser or an evaporator;a refrigerant loop for directing refrigerant between said generator assembly, condenser, said heat exchanger and said absorber assembly;first refrigerant by-pass piping and valving for selectively directing refrigerant from said generator assembly to said heat exchanger without passing through said condenser;second refrigerant by-pass piping and valving for selectively directing refrigerant from said heat exchanger to said generator assembly without passing through said absorber assembly; andone solution pump cooperating with said first fluid piping for pumping absorption fluid and refrigerant in said apparatus. 2. Apparatus of claim 1 wherein said second refrigerant by-pass piping directs refrigerant from said heat exchanger to said solution pump. 3. Apparatus of claim 1 or 2 wherein said absorber assembly comprises an absorber, an absorber heat exchanger and a generator absorber heat exchanger. 4. Apparatus of claim 1 wherein said generator assembly comprises a generator and a rectifier, and wherein said first fluid piping includes a first conduit for directing fluid to a reflux coil in said rectifier and a second conduit for directing fluid to said generator. 5. Apparatus of claim 4 including valving cooperating with said first conduit and/or said second conduit. 6. Apparatus of claim 5 wherein said valving comprises a valve for selectively opening and closing said second conduit. 7. Apparatus of claim 1 wherein said generator assembly comprises a generator column and a rectifier column having a reflux coil therein, wherein said first fluid piping comprises a first piping for directing fluid from said solution pump to said reflux coil and second piping for directing fluid from said solution pump to said generator upstream from said reflux coil and valving for selectively opening and closing said second piping, and wherein said first refrigerant by-pass piping connects said rectifier column with said heat exchanger. 8. Apparatus of claim 7 including an aspirator device cooperating with said first fluid loop for directing fluid from said reflux coil and said rectifier column to said generator column. 9. Apparatus of claim 8 wherein said first fluid loop includes a flow splitter downstream from said reflux coil for directing absorption fluid from said reflux coil to said generator column via said aspirator device, and wherein said apparatus includes piping for directing refrigerant from said rectifier to said aspirator device. 10. Apparatus of claim 9 wherein said first fluid loop includes piping for directing absorption fluid from said reflux coil to said absorber assembly. 11. Apparatus of claim 7 wherein said first fluid loop includes a flow splitter downstream from said reflux coil for directing a portion of said absorption fluid from said reflux coil to said generator column and a portion of said absorption fluid from said reflux coil to said absorber assembly. 12. Aqua-ammonia absorption apparatus for selective chiller mode or heater mode operation comprising an absorber assembly comprising an absorber and an absorber heat exchanger, a generator assembly comprising a generator and a rectifier, an absorption fluid loop for directing absorption fluid between said absorber assembly and said generator assembly, one pump cooperating with said absorption fluid loop for pumping absorption fluid and refrigerant in said apparatus, a condenser, a heat exchanger for selectively functi oning as an evaporator during a chiller mode and as a condenser during a heater mode, a refrigerant loop for directing refrigerant between said generator assembly, condenser, heat exchanger and absorber assembly, first refrigerant piping and one or more valves cooperating therewith for selectively directing ammonia refrigerant from said rectifier to said heat exchanger without passing through said condenser in a heater mode and second refrigerant piping and one or more valves cooperating therewith for selectively directing refrigerant from said heat exchanger to said generator assembly without passing through said absorber in a heater mode. 13. Apparatus of claim 12 wherein said second refrigerant piping joins said absorption fluid loop downstream from said absorber and upstream from said solution pump. 14. Apparatus of claim 12 or 13 wherein said absorber assembly comprises an absorber, an absorber heat exchanger and a generator absorber heat exchanger. 15. Apparatus of claim 12 or 13 including fluid piping for directing refrigerant from said solution pump to said generator in a heater mode. 16. Apparatus of claim 15 including valving for opening and closing said fluid piping. 17. Apparatus of claim 15 wherein said fluid piping comprises first fluid piping for directing refrigerant from said solution pump to said generator in a heater mode and second fluid piping for directing absorption fluid from said solution piping to said rectifier in a chiller mode. 18. Apparatus of claim 17 including valving for selectively opening and closing said first fluid piping and/or said second fluid piping. 19. Apparatus of claim 12 comprising a generator column and a rectifier column having a reflux coil therein, and wherein said absorption fluid loop includes first piping for directing absorption fluid from said pump to said reflux coil and therefrom to said absorber assembly, and second piping for directing absorption fluid from said reflux coil to said generator column. 20. Apparatus of claim 19 wherein said second piping communicates with said first piping downstream from said reflux coil and upstream from said absorber assembly. 21. Apparatus of claim 19 or 20 comprising an aspirator device cooperating with said second piping whereby a stream of absorption fluid from said reflux coil to said generator column passes through said aspirator device, and third piping for directing refrigerant from said rectifier column to said aspirator device. 22. Apparatus of claim 21 wherein said aspirator device is positioned relative to said rectifier column whereby in a chiller mode a portion of refrigerant from said rectifier column is directed to said aspirator device, and in a heater mode, substantially all of the refrigerant from said rectifier column is directed to said heat exchanger.

이 특허에 인용된 특허 (15)

이 특허를 인용한 특허 피인용횟수: 1

Guerra,Marco. Reversible air-water absorption heat pump. USP2007027171824.

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특허 상세정보

Integrated aqua-ammonia chiller/heater with heater mode absorber by-pass

초록

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이 특허에 인용된 특허 (15)

이 특허를 인용한 특허 피인용횟수: 1

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특허 상세정보

Integrated aqua-ammonia chiller/heater with heater mode absorber by-pass

초록

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이 특허에 인용된 특허 (15)

이 특허를 인용한 특허 피인용횟수: 1

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상세정보조회

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IPC 상세정보(version : 201201)

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