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특허 상세정보

Transcritical refrigeration cycle

국가/구분 United States(US) Patent 등록
국제특허분류(IPC7판) F25B-001/00   
미국특허분류(USC) 062/502; 062/503; 062/509
출원번호 UP-0887520 (2004-07-08)
등록번호 US-7845190 (2011-01-31)
우선권정보 GB-0316804.4(2003-07-18); GB-0322348.4(2003-09-24)
발명자 / 주소
출원인 / 주소
대리인 / 주소
    Gifford, Krass, Sprinkle, Anderson & Citkowski, P.C.
인용정보 피인용 횟수 : 5  인용 특허 : 17
초록

A transcritical vapour compression refrigeration apparatus including: a compressor, a gas cooler, an economiser, an evaporator and a refrigerant; the refrigerant being compressed in the compressor, heat being rejected from the compressed refrigerant at supercritical pressure in the gas cooler, the cooled compressed refrigerant being then expanded in a first stage to first temperature and pressure conditions in the economiser and then expanded in a second stage to second temperature and pressure conditions; a stream of refrigerant from the economiser at s...

대표
청구항

The invention claimed is: 1. A transcritical vapour compression refrigeration apparatus which comprises: a reciprocating refrigerant compressor, a gas cooler, an economiser, an evaporator and carbon dioxide (R-744); said compressor being operative to compress to supercritical pressure the carbon dioxide in two separate streams, said gas cooler being operative to reject heat from the compressed carbon dioxide at supercritical pressure in the gas cooler, said evaporator being operative to expand the cooled compressed carbon dioxide in a first stage to fir...

이 특허에 인용된 특허 (17)

  1. Holden Steven J. (Manlius NY) Schwoerer John A. (Boston MA). Back pressure control for improved system operative efficiency. USP1997025603227.
  2. Barito Thomas. Compressor economizer circuit with check valve. USP2001036202438.
  3. Narreau Peter P. (Pennellville NY). Economizer control with variable capacity. USP1992035095712.
  4. Lord Richard G. (Tullahoma TN) Rabbia Mark R. (Brewerton NY) Glover Kevin J. (Murfreesboro TN). Flash tank economizer. USP1997125692389.
  5. Nagata Kimio (Shimizu JPX) Nozawa Shigekazu (Shimizu JPX). Gas injection system for screw compressor. USP1988034727725.
  6. Tobias H. Sienel. High pressure regulation in economized vapor compression cycles. USP2002056385980.
  7. Lifson, Alexander; Bush, James W.; Taras, Michael F.; Fraser, Jr., Howard H.; Lewis, Russell G.. Injection of liquid and vapor refrigerant through economizer ports. USP2003066571576.
  8. Alexander Lifson. Method and apparatus for the control of economizer circuit flow for optimum performance. USP2002116474087.
  9. Lifson Alexander ; Karpman Boris. Method of optimizing cooling capacity, energy efficiency and reliability of a refrigeration system during temperature pull down. USP2000056058729.
  10. Lifson Alexander. Pulsed flow for capacity control. USP2000046047556.
  11. Yamanaka Yasushi,JPX ; Kuroda Yasutaka,JPX ; Nishida Shin,JPX ; Yamaguchi Motohiro,JPX ; Ozaki Yukikatsu,JPX ; Hotta Tadashi,JPX ; Onimaru Sadahisa,JPX ; Inagaki Mitsuo,JPX. Refrigerant cycle system with expansion energy recovery. USP2001116321564.
  12. Ohman Henrik,SEX. Refrigeration system anad a method for regulating the refrigeration capacity of such a system. USP1998105816055.
  13. Freund, Peter W.; Sjoholm, Lars I.. Refrigeration unit apparatus and method. USP2004046718781.
  14. Igor Vaisman CA. Rotary vane compressor with economizer port for capacity control. USP2002086428284.
  15. Lifson Alexander ; Karpman Boris. Steady state operation of a refrigeration system to achieve optimum capacity. USP2000106138467.
  16. Alsenz, Richard H.. Thermally isolated liquid evaporation engine. USP2004036705094.
  17. Frey Michael (Lindau DEX) Obrist Frank (Dornbirn ATX). Vehicle air conditioning system. USP1997125694784.