C - Chemistry – Metallurgy – 10 – M
Patent
C - Chemistry, Metallurgy
10
M
C10M 105/06 (2006.01) C10M 169/04 (2006.01) C10M 171/00 (2006.01)
Patent
CA 2164497
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) Image (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.
Sasaki Umekichi
Suda Satoshi
Takigawa Katsuya
Nippon Mitsubishi Oil Corporation
Nippon Oil Co. Ltd.
Ogilvy Renault Llp/s.e.n.c.r.l.,s.r.l.
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