Axial gap type permanent magnet electric rotating apparatus and method of manufacturing the same
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United States of America Patent
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May 10, 2016
Grant Date -
Jan 15, 2015
app pub date -
Jul 7, 2014
filing date -
Jul 12, 2013
priority date (Note) -
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Abstract
According to one embodiment, there is provided an axial gap type permanent magnet electric rotating apparatus including a first and second rotor. All a magnetic-pole directions of a permanent magnets of the first and second rotor are the same. A portion between two permanent magnets along a circumferential direction of each rotor is made of a magnetic material having substantially the same size as that of the permanent magnet such that axial-direction surfaces are the same between the permanent magnets on two sides in the circumferential direction. Between the first rotor and the second rotor, a magnetic flux flows along an axial direction while making a loop and passes through an armature.
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