Protective sleeve for motor component and method for manufacturing same
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United States of America Patent
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Dec 16, 2014
Issued Date -
N/A
app pub date -
Apr 15, 2011
filing date -
Aug 5, 2010
priority date (Note) -
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Abstract
The protective sleeve for a motor component of the present invention is obtained by braiding multifilament yarns made of synthetic fibers into a cylindrical braided cord of at least 24 strands. The multifilament yarns have a single-yarn fineness of at least 15 dtex but less than 30 dtex and the yarn total fineness of a single braid unit of the braided cord is in the range of 800 to 1500 dtex. This protective sleeve has good covering properties and few voids. Therefore, a protective sleeve for a motor component is provided that has high partial discharge characteristics (electrical insulation performance) and good electrical insulation properties even when a step of washing away the raw yarn oil solution applied to the filaments was omitted.
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