C - Chemistry – Metallurgy – 10 – M
Patent
C - Chemistry, Metallurgy
10
M
C10M 105/14 (2006.01) C09K 5/04 (2006.01) C10M 137/04 (2006.01)
Patent
CA 2069076
ABSTRACT OF THE DISCLOSURE A lubricant composition for use with tetrafluoroethane refrigerant in a hermetic compressor. The lubricant composition comprises a polyol ester lubricant, and a stabilizer for the lubricant. The stabilizer is a triaryl phosphate, wherein the stabilizer is present in an amount not exceeding 10 weight percent of the lubricant. A refrigerant composition comprising a tetrafluoroethane refrigerant, an effective amount to provide lubrication of a polyol ester, and a stabilizer for the lubricant, said stabilizer being present in an amount not exceeding 10 weight percent of the lubricant is also provided.
Karnaz Joseph A.
Mcdonnell Dennis W.
Sanvordenker Keshav S.
Karnaz Joseph A.
Mccarthy Tetrault Llp
Mcdonnell Dennis W.
Sanvordenker Keshav S.
Tecumseh Products Company
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