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公开(公告)号：US10734856B2
公开(公告)日：2020-08-04
申请号：US15559869
申请日：2016-07-29
发明人： Takahiro Mizuta , Moriyuki Hazeyama , Kazumasa Ito , Shinichi Yamaguchi , Masatsugu Nakano , Yoshiharu Takashima , Yoshiki Okada , Masafumi Ogawa
摘要： In a rotary electric machine, a conductive member surrounds a shaft and a plurality of permanent magnets provided on an outer peripheral portion of the shaft as a whole, and a holding member surrounds the shaft, the plurality of permanent magnets, and the conductive member as a whole. A conductivity of the conductive member is higher than a conductivity of the permanent magnet. The conductive member includes first and second opposing portions that oppose each other via a gap in a circumferential direction. An inter-opposing portion region existing between the first and second opposing portions is positioned within a circumferential direction range of an inter-magnet region existing between permanent magnets that are adjacent to each other in the circumferential direction.
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公开(公告)号：US10651698B2
公开(公告)日：2020-05-12
申请号：US15502908
申请日：2016-01-26
摘要： A rotor includes a tubular sleeve member, a plurality of permanent magnets aligned in a peripheral direction on an outer peripheral surface of the sleeve member, and a tubular reinforcing member covering an outer peripheral surface of the permanent magnets. The sleeve member includes first and second end portions, which are spaced apart from each other in an axial direction, and an inner peripheral surface forming a through hole that is parallel to the axial direction and through which a shaft passes. The first end portion is a flange portion. The inner peripheral surface includes a first tapered surface, an inner diameter of which is continuously reduced toward the second end portion from the first end portion, and a tapered surface, an inner diameter of which is continuously reduced toward the end portion from the second end portion.
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