DISK MOTOR AND ELECTRIC-POWERED WORKING MACHINE
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United States of America Patent
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N/A
Issued Date -
Nov 21, 2013
app pub date -
Jan 31, 2012
filing date -
Jan 31, 2011
priority date (Note) -
Abandoned
status (Latency Note)
Importance
Abstract
A disk motor includes a rotor, a stator, and an output shaft which is coaxially integrated with the rotor, a coil disk is provided in one of the rotor and the stator, a magnetic-flux generating part is provided in the other of the rotor and the stator, and the coil disk is configured by laminating a plurality of coil substrates each on which a coil pattern is printed. Among these coil substrates, in the coil substrates 40Aa and 40Af on both ends in the laminating direction having relatively good heat dissipation effect, the coils are electrically connected in series to each other, and, in the coil substrates 40Ab to 40Ae on an inner side in the laminating direction having relatively poor heat dissipation effect. at least a part of the coils is electrically connected in parallel to each other.
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