Reciprocating refrigerant compressor

Details Reciprocating refrigerant compressor Reciprocating refrigerant compressor

1997-10-24

1999-09-14

Wayner, William

Refrigeration

Refrigeration producer

With lubricant handling means

62114, 252 68, F25B 4302, C09K 500

Patent

active

059504510

ABSTRACT:
A closed reciprocating compressor for use in refrigeration cycle containing a refrigerant and a refrigerating machine oil, the refrigerant comprising a chlorine-free fluorocarbon and/or hydrofluorocarbon and having a critical temperature of 40.degree. C. or higher and said refrigerating machine oil being circulated in the refrigeration cycle, the refrigerating machine oil comprising as a base oil an ester oil of one or more fatty acids, containing at least two ester linkages in the molecule and having a viscosity at 40.degree. C. of 2 to 35 cSt and a viscosity at 100.degree. C. of 1 to 6 cSt, the motor having a winding wire and an insulating film comprising of a conductor, an insulating material and a winding oil, and the winding oil being an ester wax. The compressor is free from the problems associated with poor compatibility of winding oil with the refrigerant and/or refrigerating machine oil, and renders a good workability during the motor manufacturing process and can improve the reliability of the refrigerating apparatus using it.

REFERENCES:
patent: 5548973 (1996-08-01), Komine et al.
patent: 5685163 (1997-11-01), Fujita et al.
patent: 5711165 (1998-01-01), Iizuka et al.

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