A refrigerating machine oil and a fluid composition for use in a refrigerating machine
申请人:NIPPON OIL CO. LTD.
公开号:EP0717098A2
公开(公告)日:1996-06-19
A refrigerating machine oil for use with a hydrofluorocarbon refrigerant in a refrigerator, which comprises at least one member selected from the group consisting of hydrocarbon compounds represented by the following general formulas (1), (2) and (3)
(wherein R represents an alkylene group or alkenylene group having 1 to 8 carbon atoms; R¹, R², R³ and R⁴ may be the same or different and are each a hydrogen atom or an alkyl group having 1 to 4 carbon atoms, the total number of carbon atoms of R, R¹, R², R³ and R⁴ being within a range of 1 to 8; and R⁶, R⁷, R⁸ and R⁹ may be the same or different and are each a hydrogen atom or a hydrocarbon group having 1 to 10 carbon atoms, the total number of carbon atoms of R⁶, R⁷, R⁸ and R⁹ being within a range of 1 to 10). In other embodiments, a fluid composition for use in refrigerating machine which comprises a hydrofluorocarbon refrigerant and at least one hydrocarbon compound, a refrigerating machine which uses therein the fluid composition as a circulating fluid, and a method of lubricating a cooling system of a refrigerator using therein a hydrofluorocarbon refrigerant by using said refrigerator oil in the cooling system.
一种在冰箱中与氢氟碳化合物制冷剂配合使用的冷冻机油,它由至少一种从以下通式(1)、(2)和(3)所代表的碳氢化合物组成的组中选出的成员构成
(其中 R 代表具有 1 至 8 个碳原子的亚烷基或烯基;R¹、R²、R³ 和 R⁴ 可以相同或不同,并且各自为氢原子或具有 1 至 4 个碳原子的烷基,R、R¹、R²、R³ 和 R⁴ 的碳原子总数在 1 至 8 的范围内;R⁶、R⁷、R⁸和R⁹可以相同或不同,并且各自为氢原子或具有 1 至 10 个碳原子的烃基,R⁶、R⁷、R⁸和 R𠞙 的碳原子总数在 1 至 10 的范围内)。在其他实施例中,一种用于制冷机的流体组合物,它包括氢氟碳制冷剂和至少一种碳氢化合物;一种制冷机,其中使用该流体组合物作为循环流体;以及一种通过在制冷系统中使用所述冷冻机油润滑其中使用氢氟碳制冷剂的制冷机的冷却系统的方法。