Motor Unit, and Dynamo-Electric Machine and Dynamo-Electric Machine Device that Use Same
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United States of America Patent
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Issued Date -
Dec 12, 2013
app pub date -
Dec 20, 2011
filing date -
Jan 26, 2011
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Abstract
Provided are: a low cost, high-performance motor unit which has a large capacity obtained without increasing the radial size of the axial gap motor and which can be assembled with improved efficiency; and a dynamo-electric machine and a dynamo-electric machine device which use the motor unit. A motor unit comprises: an in-unit shaft; a stator provided along the circumferential direction of the in-unit shaft; two rotors rotating together with the in-unit shaft and provided so as to face both surfaces of the stator in the circumferential direction; and engagement sections provided to the surface of each of the rotors which is on the side opposite the stator. Such motor units are engaged with each other at the engagement sections and rotate integrally.
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