Lubricant for wire used for forming the stator windings of an electrical refrigerating compressor
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United States of America Patent
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-
Oct 8, 2002
Grant Date -
N/A
app pub date -
Aug 29, 1996
filing date -
Sep 30, 1991
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A lubricant for a wire which is first insulated by means, of a lacquer coating, the wire being used for forming the stator windings of an electrical refrigerating compressor. The lubricant consists of one or more compounds of the formula CH.sub.3 --X.sub.n --R, wherein X is a linear or branched hydrocarbon group with n carbon atoms, wherein n is up to 22, and R may be hydrogen or a plurality of different radicals, either in a pure form or dissolved in a solvent. The lubricant is applied to the wire to reduce its coefficient of friction, and it is remarkable for its compatibility with the environmentally unharmful refrigerants, such as R134a (1,1,1,2-tetrafluoroethane).
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