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Capacity control of refrigeration systems

IPC분류정보
국가/구분 United States(US) Patent 등록
국제특허분류(IPC7판)
  • F25B-041/00
  • F25B-049/00
출원번호 US-0882074 (2001-06-18)
발명자 / 주소
  • Igor Vaisman CA
출원인 / 주소
  • Mobile Climate Control Industries Inc.
인용정보 피인용 횟수 : 33  인용 특허 : 12

초록

The present invention is directed to a method of reducing cooling capacity in refrigeration systems. The present invention provides a refrigeration system comprising a main, an economizing, and a bypass circuits. The main circuit comprises a compressor, a condenser unit, an expansion device, an evap

대표청구항

1. A refrigeration system comprising:(a) a compressor unit including a housing, a suction side and a discharge side, an economizer port located at a point after the compression chambers have been closed for compression; a variable flow valve associated with said economizer port, which in an opened p

이 특허에 인용된 특허 (12)

  1. Holden Steven J. (Manlius NY) Schwoerer John A. (Boston MA), Back pressure control for improved system operative efficiency.
  2. Barito Thomas, Compressor economizer circuit with check valve.
  3. Nagata Kimio (Shimizu JPX) Nozawa Shigekazu (Shimizu JPX), Gas injection system for screw compressor.
  4. Lifson Alexander ; Karpman Boris, Hot gas compressor bypass using oil separator circuit.
  5. Lifson Alexander ; Karpman Boris, Method of optimizing cooling capacity, energy efficiency and reliability of a refrigeration system during temperature pull down.
  6. Lifson Alexander, Pulsed flow for capacity control.
  7. Fraser ; Jr. Howard H. ; Lewis Russell G. ; Taras Michael F., Refrigeration system with integrated economizer/oil cooler.
  8. Fraser ; Jr. Howard H. ; Lewis Russell G. ; Taras Michael F., Refrigeration system with integrated oil cooling heat exchanger.
  9. Morris ; Jr. William F. (P.O. Box 1046 Raleigh NC 27602-1046), Screw compressor system for reverse cycle defrost having relief regulator valve and economizer port.
  10. Lifson Alexander ; Bush James W., Scroll compressor with unloader valve between economizer and suction.
  11. Lifson Alexander ; Karpman Boris, Steady state operation of a refrigeration system to achieve optimum capacity.
  12. Shaw David N., Variable capacity vapor compression cooling system.

이 특허를 인용한 특허 (33)

  1. Wiggs, B. Ryland, Advanced DX system design improvements.
  2. Kim, Byeongsu; Jang, Yonghee, Air conditioner and control method thereof.
  3. Kim, Young Ho; Ryu, Shin Hee, Air conditioning system with low compression load.
  4. Manole, Dan M.; Frostick, Alicia, Apparatus for the storage and controlled delivery of fluids.
  5. Nemit, Jr., Paul, Capacity control for economizer refrigeration systems.
  6. Lifson, Alexander; Dobmeier, Thomas J.; Taras, Michael F., Combined expansion device and four-way reversing valve in economized heat pumps.
  7. Lifson, Alexander, Compressor with unloader valve between economizer line and evaporator inlet.
  8. Jiang, Chao; Wang, Ying, Condensing unit having fluid injection.
  9. Jiang, Chao; Wang, Ying, Condensing unit having fluid injection.
  10. Kodama, Akihiro; Nomura, Tomohito; Mizutani, Yasuki; Sugie, Hiroyuki; Tamaki, Shigeaki, Control device for an auger type ice making machine.
  11. Lifson, Alexander; Taras, Michael F.; Dobmeier, Thomas J., Control scheme for multiple operating parameters in economized refrigerant system.
  12. Sjoholm, Lars I.; Freund, Peter W.; Srichai, P. Robert; Gronneberg, Jeffrey B., Economizer combined with a heat of compression system.
  13. Pham, Hung M.; Caillat, Jean-Luc M.; Van Hoose, Ronald L., Flash tank design and control for heat pumps.
  14. Pham, Hung M.; Caillat, Jean-Luc M.; Van Hoose, Ronald L., Flash tank design and control for heat pumps.
  15. Pham, Hung M.; Caillat, Jean-Luc M.; Van Hoose, Ronald L.; Doepker, Roy J., Flash tank design and control for heat pumps.
  16. Copeland,Larry; Gaylord,Robert; Haught,Mark; Mahderekal,Isaac; Sondeno,Dudley J.; Young,Tommis E., Gas engine driven heat pump system with integrated heat recovery and energy saving subsystems.
  17. Seefeldt, William J., Heat pump with accumulator at boost compressor output.
  18. Seefeldt, William J., Heat pump with forced air heating regulated by withdrawal of heat to a radiant heating system.
  19. Seefeldt, William J., Heating/cooling system.
  20. Lifson, Alexander; Bush, James W.; Taras, Michael F.; Fraser, Jr., Howard H.; Lewis, Russell G., Injection of liquid and vapor refrigerant through economizer ports.
  21. Ignatiev, Kirill; Caillat, Jean-Luc M, Injection system and method for refrigeration system compressor.
  22. Ignatiev, Kirill; Caillat, Jean-Luc M., Injection system and method for refrigeration system compressor.
  23. Howard, Henry Edward, Method for operating a transcritical refrigeration system.
  24. Sjoholm, Lars I.; Freund, Peter W.; Srichai, P. Robert; Gronneberg, Jeffrey B., Method of operating a refrigeration system in a null cycle.
  25. Manole, Dan M., Multi-stage vapor compression system with intermediate pressure vessel.
  26. Gutheim, August W.; Lane, L. Thomas, Refrigerant compression system with selective subcooling.
  27. Lifson, Alexander; Taras, Michael F., Refrigerant system with expansion device bypass.
  28. Vaisman, Igor B.; Gorbounov, Mikhail B.; Heitz, Jean-Francois; Djemili, Kais, Refrigerating system with economizing cycle.
  29. Ignatiev, Kirill, Refrigeration system.
  30. Tanaka, Shigeto; Kawakatsu, Noriyasu, Refrigeration system.
  31. Lifson, Alexander; Tang, Yan, Refrigeration system employing multiple economizer circuits.
  32. Manole,Dan M., Transcritical vapor compression system and method of operating including refrigerant storage tank and non-variable expansion device.
  33. Lifson, Alexander; Taras, Michael F.; Fraser, Jr., Howard H., Vapor compression system.
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