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특허 상세정보

Refrigerator using a polyvinyl ether refrigerator oil

국가/구분 United States(US) Patent 등록
국제특허분류(IPC7판) F25B-041/00   
미국특허분류(USC) 252/067; 252/068; 62/114; 62/502
출원번호 US-0979409 (1997-11-26)
우선권정보 JP-0317949 (1996-11-28)
발명자 / 주소
출원인 / 주소
대리인 / 주소
    Weingarten, Schurgin, Gagnebin & Lebovici LLP
인용정보 피인용 횟수 : 17  인용 특허 : 5
초록

An object of the present invention is to obtain a good refrigerator using polyvinyl ether oil as a refrigerator oil, which is compatible with a hydrofluorocarbon type refrigerant not containing chlorine (such as R134a) without suffering conventional problems. A refrigerator of the present invention comprises a refrigerating cycle using a hydrofluorocarbon type refrigerant not containing chlorine or a refrigerant mixture thereof, with a refrigerator oil compatible with the refrigerant sealed, wherein the refrigerator oil comprises a polyvinyl ether type c...

대표
청구항

1. A refrigerator comprising a compressor unit sealed in a hermetically sealed container, with an hydrofluorocarbon refrigerant or a refrigerant mixture thereof and a refrigerator oil compatible with the refrigerant unit sealed in the hermetically sealed container, wherein the refrigerator oil comprises a polyvinyl ether compound having a structural unit represented by the general formula (1) as the main component, with a pour point of -40.degree. C. or less, a two-liquid separation temperature of -20.degree. C. or less, a total acid number of 0.02 mgKOH...

이 특허를 인용한 특허 피인용횟수: 17

  1. Rached, Wissam. Heat transfer fluids comprising difluoromethane, pentafluoroethane, tetrafluoropropene and optionally propane. USP2017069683156.
  2. Rached, Wissam. Heat transfer fluids comprising difluoromethane, pentafluoroethane, tetrafluoropropene and optionally propane. USP20181010113093.
  3. Kaneko, Masato; Ikeda, Harutomo; Kato, Takayuki; Hoshida, Takahiro; Inoue, Masaki; Ikejima, Shozo; Muto, Masataka; Yamashita, Masahito. Lubricant composition for refrigerator and compressor using the same. USP2013068460571.
  4. Kaneko, Masato; Ikeda, Harutomo. Lubricant for compression refrigerating machine and refrigerating apparatus using the same. USP2014128916060.
  5. Kisen, Tadashi; Matsumoto, Tomoya. Lubricant for compression type refrigerating machines. USP2017069683190.
  6. Matsumoto, Tomoya. Lubricant oil composition for compression refrigerator. USP2018029902917.
  7. Kaneko, Masato. Lubricating oil composition for refrigerators. USP2016049315707.
  8. Kaneko, Masato. Lubricating oil composition for refrigerators. USP2013128603354.
  9. Kubota, Minoyuki; Suzuki, Kazuhiko; Yamazaki, Hirotaka; Yoshimoto, Tokuyuki; Ogawa, Akihisa; Kamimori, Shigeru. Process for producing a high-purity oxygenic compound and lubricating oil. USP2004056734151.
  10. Boussand, Beatrice. Refrigerant composition. USP2017099752069.
  11. Taira, Shigeharu. Refrigerating apparatus. USP2004046718777.
  12. Tokiai, Takeo. Refrigerating machine oil composition. USP2013038398881.
  13. Sakanoue, Shuichi; Takesue, Masahiko; Jido, Youichiro; Takagi, Minoru; Tominaga, Shoichi; Nagakawa, Hiroshi. Refrigerating machine oil compositions. USP2005046878677.
  14. Rached, Wissam. Ternary heat-transfer fluids comprising difluoromethane, pentafluoroethane and tetrafluoropropene. USP2016119488398.
  15. Rached, Wissam. Ternary heat-transfer fluids comprising difluoromethane, pentafluoroethane and tetrafluoropropene. USP2016069359540.
  16. Rached, Wissam. Ternary heat-transfer fluids comprising difluoromethane, pentafluoroethane and tetrafluoropropene. USP2015069057010.
  17. Sawada, Ken; Takahashi, Kuniko; Shimpo, Hiroko; Takigawa, Katsuya. Working fluid composition for refrigerator machine and refrigerating machine oil. USP2014118889031.