Process for producing a lubricant coated laquered wire used for forming the stator winding of an electrical refrigerating compressor
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United States of America Patent
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May 13, 2003
Grant Date -
N/A
app pub date -
Feb 12, 1996
filing date -
Sep 30, 1991
priority date (Note) -
Expired
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Abstract
A lubricant for wire, which is insulated by means of a lacquer coating, and which is used for forming the stator windings of an electrical refrigerating compressor, 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 suitable 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), which are used today in refrigerating compressors without capillary tube obstructions.
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