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Defrost control system for a refrigeration heat pump apparatus

IPC분류정보
국가/구분 United States(US) Patent 등록
국제특허분류(IPC7판)
  • F25D-021/02
출원번호 US-0566018 (1983-12-27)
발명자 / 주소
  • Nelson, Lorne W.
출원인 / 주소
  • Honeywell Inc.
대리인 / 주소
    Blinn, Clyde C.
인용정보 피인용 횟수 : 47  인용 특허 : 9

초록

A control system for a refrigeration heat pump having an outdoor coil through which air is blown by a fan for extracting heat from outdoor air with means to defrost the coil periodically has a differential pressure responsive means responding to the differential air pressure across the outdoor coil.

대표청구항

1. In a control system for refrigeration heat pump having an outdoor coil through which air is blown by a fan extracting heat from outdoor air and defrost means to periodically heat the outdoor coil to remove the frost comprising, differential pressure responsive means adapted to respond to the d

이 특허에 인용된 특허 (9)

  1. Clarke Clarence C. (Evansville IN) Paddock Stephen W. (Evansville IN) Knoop Donald E. (St. Joseph MI), Adaptive defrost control system.
  2. Reedy ; Wayne R. ; Eplett ; Fredrick R., Defrost control for heat pumps.
  3. Sweetman James D. (Manitowoc WI), Defrost control system.
  4. Tanaka Yasuhiko (Osaka JPX), Defrosting control system.
  5. Allard John J. (Mishicot WI) Heinzen Robert A. (Manitowoc WI), Defrosting system using actual defrosting time as a controlling parameter.
  6. Ansted Roger C. (San Antonio TX) Dougan Roger W. (San Antonio TX), Demand defrost time clock control circuit.
  7. Zampini Joseph J. (Liverpool NY) Buda Paul R. (Liverpool NY) Prada Luis E. (Louisville KY), Fail-safe electronically controlled defrost system.
  8. Mueller Dale A. (St. Paul MN), Heat pump system adaptive defrost control system.
  9. Mueller Dale A. (St. Paul MN) Serber Stephen L. (New Hope MN), Heat pump system defrost control.

이 특허를 인용한 특허 (47)

  1. Bos Peter J. (Manitowoc WI) Allard John J. (Morrison IL), Adaptive defrost system with ambient condition change detector.
  2. Kates, Lawrence, Air filter monitoring system.
  3. Pham, Hung M.; Jayanth, Nagaraj, Compressor data module.
  4. Pham, Hung M., Compressor diagnostic and protection system and method.
  5. Pham, Hung M., Compressor diagnostic and protection system and method.
  6. Pham, Hung M., Compressor diagnostic and protection system and method.
  7. Pham, Hung M., Compressor diagnostic and protection system and method.
  8. Pham, Hung M.; Alsaleem, Fadi M., Compressor having a control and diagnostic module.
  9. Pham, Hung M.; Alsaleem, Fadi M., Compressor having a control and diagnostic module.
  10. Jayanth, Nagaraj, Compressor protection and diagnostic system.
  11. Trudeau, Edward J.; Barnett, Kenneth R.; Shelgaonkar, Yogesh; Khairnar, Manoj Pralhad, Compressor protection module.
  12. Trudeau, Jr., Edward J.; Barnett, Kenneth Ray, Compressor protection module.
  13. Jayanth, Nagaraj; Renken, Troy W., Compressor sensor module.
  14. Jayanth, Nagaraj; Renken, Troy W., Compressor sensor module.
  15. Jayanth, Nagaraj; Renken, Troy W., Compressor sensor module.
  16. Jayanth, Nagaraj; Renken, Troy W., Compressor sensor module.
  17. Borton David N. (Troy NY) Walker David H. (Winchester MA), Demand defrost controller for refrigerated display cases.
  18. Duenes Patricia (Irvine CA) Kenyon Richard L. (Irvine CA) Scapes John N. (Schamburg IL) Schild Eugene H. (Des Plaines IL) Strong Arthur P. (Prospect Heights IL), Frost detection system for refrigeration apparatus.
  19. Bahel, Vijay; Millet, Hank; Hickey, Mickey; Pham, Hung; Herroon, Gregory P., Frost/defrost control system for heat pump.
  20. Vie, David L.; Moran, Michael J.; Heller, John J., HVAC controls and controllers including alphanumeric displays.
  21. Vie, David L.; Moran, Michael J.; Heller, John J., HVAC controls or controllers including alphanumeric displays.
  22. Arensmeier, Jeffrey N.; Hemmelgarn, Gregg M.; Alsaleem, Fadi M.; Abiprojo, Priotomo, HVAC system remote monitoring and diagnosis.
  23. Arensmeier, Jeffrey N.; Hemmelgarn, Gregg M.; Alsaleem, Fadi M.; Abiprojo, Priotomo, HVAC system remote monitoring and diagnosis.
  24. Vie, David L.; Edwards, Timothy B., Heat pump controller with user-selectable defrost modes and reversing valve energizing modes.
  25. Alsaleem, Fadi M.; Hemmelgarn, Gregg M., Heat pump system with refrigerant charge diagnostics.
  26. Alsaleem, Fadi M.; Hemmelgarn, Gregg M., Heat-pump system with refrigerant charge diagnostics.
  27. Kates, Lawrence, Method and apparatus for monitoring a refrigeration-cycle system.
  28. Kates, Lawrence, Method and apparatus for monitoring a refrigeration-cycle system.
  29. Kates, Lawrence, Method and apparatus for monitoring a refrigeration-cycle system.
  30. Kates, Lawrence, Method and apparatus for monitoring a refrigeration-cycle system.
  31. Kates, Lawrence, Method and apparatus for monitoring a refrigeration-cycle system.
  32. Kates, Lawrence, Method and apparatus for monitoring a refrigeration-cycle system.
  33. Kates, Lawrence, Method and apparatus for monitoring refrigeration-cycle systems.
  34. Kates, Lawrence, Method and apparatus for monitoring refrigeration-cycle systems.
  35. Leuthner, Stephan, Method for operating an air conditioning installation.
  36. Kimura, Takashi; Hayashi, Kuniko, Outdoor unit of air conditioner and air conditioner.
  37. Kates, Lawrence, Portable method and apparatus for monitoring refrigerant-cycle systems.
  38. Pham, Hung M., Protection and diagnostic module for a refrigeration system.
  39. Pham, Hung M., Protection and diagnostic module for a refrigeration system.
  40. Pham, Hung M., Refrigeration monitoring system and method.
  41. Pham, Hung M., Refrigeration monitoring system and method.
  42. Arensmeier, Jeffrey N., Remote HVAC monitoring and diagnosis.
  43. Arensmeier, Jeffrey N., Remote HVAC monitoring and diagnosis.
  44. Arensmeier, Jeffrey N., Residential solutions HVAC monitoring and diagnosis.
  45. Wallis, Frank S.; Rozsnaki, Joseph James, System and method for compressor motor protection.
  46. Wallis, Frank S.; Rozsnaki, Joseph James, System and method for compressor motor protection.
  47. Wallis, Frank S.; Rozsnaki, Joseph James, System and method for compressor motor protection.
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