COIL FOR ROTATING ELECTRICAL MACHINE, METHOD FOR PRODUCING COIL FOR ROTATING ELECTRICAL MACHINE, MICA TAPE, CURED PRODUCT OF MICA TAPE, AND INSULATING MATERIAL
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United States of America Patent
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Issued Date -
Apr 18, 2019
app pub date -
Apr 10, 2017
filing date -
Apr 8, 2016
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Abstract
A coil for a rotating electrical machine, the coil comprising a coil conductor and an insulating layer that is disposed around an outer periphery of the coil conductor, the insulating layer comprising a mica tape, the mica tape comprising a mica layer including mica and a backing layer including a backing material, the mica comprising mica pieces having a particle size of 2.8 mm or more, as measured by a JIS standard sieve, at a proportion of less than 45% by mass of a total of the mica pieces that are obtained from the mica layer being separated from the backing layer.
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