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Low refrigerant charge detection especially for automotive air conditioning systems 원문보기

IPC분류정보
국가/구분 United States(US) Patent 등록
국제특허분류(IPC7판)
  • F25B-049/02
출원번호 US-0947667 (1992-09-18)
발명자 / 주소
  • Stanke Edwin J. (Bloomfield Hills MI) Montgomery David L. (Utica MI)
출원인 / 주소
  • General Motors Corporation (Detroit MI 02)
인용정보 피인용 횟수 : 54  인용 특허 : 0

초록

A vehicle air conditioning system has means for measuring a first physical quantity related to air conditioning system load to produce a first signal and means for measuring a second physical quantity related to air conditioning system cooling capacity to produce a second signal. Said first and seco

대표청구항

In a vehicle air conditioning system having a compressor, expansion valve, evaporator and condenser, a method of preventing compressor damage due to a low refrigerant charge, said method comprising: measuring ambient air temperature to produce a load signal; measuring evaporator temperature and vehi

이 특허를 인용한 특허 (54)

  1. Schuster, Don A.; Adepetu, Adeyemi A.; Das, Sathish R.; Shah, Rajendra K., Air conditioner self-charging and charge monitoring system.
  2. Kates, Lawrence, Air filter monitoring system.
  3. Trigiani, Phil; Ferraro, Tony, Apparatus and method for diagnosing performance of air-conditioning systems.
  4. Kang,Pengju; Gopalnarayanan,Sivakumar; Luo,Dong; Galante,Timothy P., Automatic refrigerant charging apparatus.
  5. Benoit,Jeffrey T.; Dold,Robert H.; Gopalnarayanan,Sivakumar; Hoffman,Lee A., Braze-free connector utilizing a sealant coated ferrule.
  6. Pham, Hung M.; Jayanth, Nagaraj, Compressor data module.
  7. Pham, Hung M., Compressor diagnostic and protection system and method.
  8. Pham, Hung M., Compressor diagnostic and protection system and method.
  9. Pham, Hung M.; Alsaleem, Fadi M., Compressor having a control and diagnostic module.
  10. Pham, Hung M.; Alsaleem, Fadi M., Compressor having a control and diagnostic module.
  11. Jayanth, Nagaraj; Renken, Troy W., Compressor sensor module.
  12. Jayanth, Nagaraj; Renken, Troy W., Compressor sensor module.
  13. Galante, Timothy P.; Gopalnarayanan, Sivakumar; Schuster, Don Alan; Kersten, Craig R.; Burns, Larry, Dual thermochromic liquid crystal temperature sensing for refrigerant charge indication.
  14. Cavestri Richard C., Dye concentrate.
  15. Arensmeier, Jeffrey N.; Hemmelgarn, Gregg M.; Alsaleem, Fadi M.; Abiprojo, Priotomo, HVAC system remote monitoring and diagnosis.
  16. Arensmeier, Jeffrey N.; Hemmelgarn, Gregg M.; Alsaleem, Fadi M.; Abiprojo, Priotomo, HVAC system remote monitoring and diagnosis.
  17. Alsaleem, Fadi M.; Hemmelgarn, Gregg M., Heat pump system with refrigerant charge diagnostics.
  18. Alsaleem, Fadi M.; Hemmelgarn, Gregg M., Heat-pump system with refrigerant charge diagnostics.
  19. Judge, John F.; Schrader, Timothy J.; Sillato, Stephen; Noll, Roger; Helmink, Gary A.; Barbato, Pierpaolo; Mana, Giuseppe Dalla; Monnier, Lou; Lin, Zhiyong; Dolcich, Benedict J.; Schutte, Daniel J.; Haggy, Greg, High efficiency cooling system.
  20. Cavestri Richard C., Leak detection additives.
  21. Lu, Zongtao; Haggy, Greg; Schrader, Timothy J.; Sillato, Stephen; Judge, John F., Load estimator for control of vapor compression cooling system with pumped refrigerant economization.
  22. Kates, Lawrence, Method and apparatus for monitoring a refrigeration-cycle system.
  23. Kates, Lawrence, Method and apparatus for monitoring a refrigeration-cycle system.
  24. Kates, Lawrence, Method and apparatus for monitoring a refrigeration-cycle system.
  25. Kates, Lawrence, Method and apparatus for monitoring a refrigeration-cycle system.
  26. Kates, Lawrence, Method and apparatus for monitoring a refrigeration-cycle system.
  27. Kates, Lawrence, Method and apparatus for monitoring a refrigeration-cycle system.
  28. Kates, Lawrence, Method and apparatus for monitoring refrigeration-cycle systems.
  29. Kates, Lawrence, Method and apparatus for monitoring refrigeration-cycle systems.
  30. Bathla Pritam S., Method and device to detect the charge level in air conditioning systems.
  31. Johnston, William Stewart; Wong, David Alan; Hamilton, Hugh; Koberstein, Manfred; Dhar, Debasish, Method and system for detecting low refrigerant charge and air conditioner protection system.
  32. Liu, Jin Ming; Hamery, Bruno, Method for checking the refrigerant-fluid level of a closed loop vehicle air-conditioning system.
  33. Jin Ming Liu FR; Bruno Hamery FR, Method for checking the state of a closed loop air-conditioning system comprising a variable-throughput compressor.
  34. Schuster, Don A.; Das, Sathish R.; Keller, Jr., Frederick J., Method for determining refrigerant charge.
  35. Cooper B. William (Lloyd Harbor NY) Lu Ling (Plainview NY), Method of introducing leak detection dye into an air conditioning or refrigeration system including solid or semi-solid.
  36. Cooper B. William ; Lu Ling, Method of introducing leak detection dye into an air conditioning or refrigeration system including solid or semi-solid fluorescent dyes.
  37. Bidner, David Karl; Hamilton, Hugh; Rollinson, James C., Methods and systems for coolant system.
  38. Bidner, David Karl; Rollinson, James C.; Hamilton, Hugh; Richardson, Alan; Gopal, Ravi, Methods and systems for coolant system.
  39. Kates, Lawrence, Portable method and apparatus for monitoring refrigerant-cycle systems.
  40. Pham, Hung M., Protection and diagnostic module for a refrigeration system.
  41. Braun, II, Robert J.; Kang, Pengju; Concha, Julio I.; Gopalnarayanan, Sivakumar; Galante, Timothy P.; Luo, Dong; Kersten, Craig, Refrigerant charge adequacy gauge.
  42. Schuster, Don A.; Das, Sathish R., Refrigerant charge indication.
  43. Kang, Pengju; Finn, Alan M.; Gopalnarayanan, Sivakumar; Luo, Dong; Galante, Timothy P., Refrigerant charge status indication method and device.
  44. Cummings Robert W. ; Ta Thien D., Refrigerant loss detection.
  45. Kamemoto Derek Y., Refrigerant monitoring apparatus and method.
  46. Nonaka,Hikaru; Hirai,Shinji; Uenoyama,Yoshihiko; Sakuma,Tsutomu; Saruta,Susumu; Hashimoto,Shoji, Refrigerator.
  47. Arensmeier, Jeffrey N., Remote HVAC monitoring and diagnosis.
  48. Arensmeier, Jeffrey N., Remote HVAC monitoring and diagnosis.
  49. Arensmeier, Jeffrey N., Residential solutions HVAC monitoring and diagnosis.
  50. Wallis, Frank S.; Rozsnaki, Joseph James, System and method for compressor motor protection.
  51. Wallis, Frank S.; Rozsnaki, Joseph James, System and method for compressor motor protection.
  52. Wallis, Frank S.; Rozsnaki, Joseph James, System and method for compressor motor protection.
  53. Pham, Hung M., System for refrigerant charge verification using two condenser coil temperatures.
  54. Lair, Jean-Pierre, Thrust reverser nozzle for a turbofan gas turbine engine.
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