Fluid composition for use in a refrigerating machine in which th

Details Fluid composition for use in a refrigerating machine in which th Fluid composition for use in a refrigerating machine in which th

1995-12-04

1998-01-27

Skane, Christine

Compositions

Vaporization, or expansion, refrigeration or heat or energy...

With lubricants, or warning, stabilizing or anti-corrosion...

252 67, C09K 504, C10M10506

Patent

active

057118957

ABSTRACT:
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) ##STR1## (wherein R represents an alkylene group or alkenylene group having 1 to 8 carbon atoms; R.sup.1, R.sup.2, R.sup.3 and R.sup.4 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, R.sup.1, R.sup.2, R.sup.3 and R.sup.4 being within a range of 1 to 8; and R.sup.6, R.sup.7, R.sup.8 and R.sup.9 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 R.sup.6, R.sup.7, R.sup.8 and R.sup.9 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.

REFERENCES:
patent: 4046533 (1977-09-01), Olund
patent: 4347169 (1982-08-01), Sato et al.
patent: 4946611 (1990-08-01), Kaneko
patent: 5295357 (1994-03-01), Kaneko
patent: 5368765 (1994-11-01), Kaneko
patent: 5520833 (1996-05-01), Kaneko

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