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특허 상세정보

Refrigerating machine oil composition

국가/구분 United States(US) Patent 등록
국제특허분류(IPC7판) C09K-005/00    C09K-005/04   
미국특허분류(USC) 252/067; 252/068
출원번호 US-0590290 (2005-03-29)
등록번호 US-8398881 (2013-03-19)
우선권정보 JP-2004-110507 (2004-04-02)
국제출원번호 PCT/JP2005/005955 (2005-03-29)
§371/§102 date 20060823 (20060823)
국제공개번호 WO2005/095557 (2005-10-13)
발명자 / 주소
출원인 / 주소
대리인 / 주소
    Oblon, Spivak, McClelland, Maier & Neustadt, L.L.P.
인용정보 피인용 횟수 : 0  인용 특허 : 12
초록

The present invention provides a refrigerating oil composition containing a refrigerant (A) containing as a predominant component a C1-C8 hydrocarbon compound and a base oil (B) composed of a polyalkylene glycol ether having a specific structure and/or a polyvinyl ether having a specific structure, and satisfying the following conditions: solubility of the refrigerant (A) in the base oil (B) of 40 mass % or less at 40° C. and 1.2 MPa and mixture viscosity of the refrigerating oil composition of 0.1 mm2/s or more at 90° C. and 2.3 MPa. According to the re...

대표
청구항

1. A refrigerating oil composition, comprising: a refrigerant (A) comprising as a predominant component propane; anda base oil (B) comprising a polyvinyl ether represented by formula (II): wherein each of R3 and R4 represents a hydrogen atom, a C1-C18 hydrocarbon group, or a C2-C18 acyl group; R5 represents a methyl group; R6 represents an ethyl group; p is an integer of 1 or more; and q is an integer of 1 or more and wherein p/(p+q) in formula (II) is 0.5 or more; wherein the composition satisfies the following conditions:(i) solubility of the refriger...

이 특허에 인용된 특허 (12)

  1. Tazaki, Toshinori; Kamimura, Hideto; Sakanoue, Shuichi. Lubricating oil composition containing cyclic organophosphorus compound. USP2004116815402.
  2. Nagao Satoshi,JPX ; Handa Toyokazu,JPX. Lubricating oil composition for refrigerators and method for lubrication with the composition. USP2001066248256.
  3. Egawa Tatsuya (Sodegaura JPX) Kawaguchi Yasuhiro (Sodegaura JPX) Mogami Kenji (Sodegaura JPX) Shimizu Nobuaki (Sodegaura JPX). Lubricating oil containing a polyvinyl ether compound for compression-type refrigerators. USP1996055518643.
  4. Hideki Matsuura JP; Masaki Nomura JP. Lubricating oil for compression refrigerator and refrigerating/air conditioning apparatus using the same. USP2002116478983.
  5. Egawa Tatsuya (Sodegaura JPX) Kawaguchi Yasuhiro (Sodegaura JPX) Mogami Kenji (Sodegaura JPX) Shimizu Nobuaki (Sodegaura JPX). Lubricating oil for compression-type refrigerators. USP1995095449472.
  6. Egawa Tatsuya,JPX ; Yamasaki Hirotaka,JPX ; Mogami Kenji,JPX ; Nagao Satoshi,JPX ; Handa Toyokazu,JPX ; Kaneko Masato,JPX. Lubricating oil for compression-type refrigerators containing pentafluoroethane and a polyvinyl ether. USP2001076261474.
  7. Sakanoue, Shuichi; Takesue, Masahiko; Takagi, Minoru. Refrigerating machine oil composition. USP2003126656891.
  8. Kaneko Masato (Ichihara JPX). Refrigerating machine oil composition containing an epoxy compound. USP1995105454963.
  9. Kaneko Masato,JPX ; Konishi Tsuneo,JPX ; Ichitani Katsumi,JPX. Refrigerator oil composition. USP1998095801132.
  10. Kaneko Masato,JPX. Refrigerator oil composition comprising saturated hydroxy fatty acids and derivatives thereof. USP1999126008169.
  11. Seiki Hiromichi (Ichihara JPX) Kaneko Masato (Ichihara JPX). Refrigerator oil composition for hydrogen-containing hydrofluorocarbon refrigerant. USP1995045403503.
  12. Takashi Sunaga JP; Masato Watanabe JP. Refrigerator using a polyvinyl ether refrigerator oil. USP2002096454960.