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公开(公告)号：US20230117552A1
公开(公告)日：2023-04-20
申请号：US17995654
申请日：2021-02-08
Inventor： KENTA SUZUKI , EIKI MORIMOTO , HAJIME UKAJI , TOSHIYUKI TAMAMURA , NORITAKA ASO
Abstract: A rotor includes: a rotor core including a plurality of first holes and a plurality of second holes; and a plurality of first permanent magnets arranged in the plurality of first holes, wherein the first holes and the second holes are provided radially around a rotating shaft, the rotor core in each of the plurality of second holes has a radial length smaller than a radial length of the rotor core in each of the plurality of first holes, each of the plurality of second holes is located closer to an inner side in the radial direction of the rotor core with respect to a first hole adjacent to the second hole in a circumferential direction of the rotor core among the plurality of first holes, and includes a protrusion protruding toward the first hole adjacent to the second hole in the circumferential direction of the rotor core.
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公开(公告)号：US20230387775A1
公开(公告)日：2023-11-30
申请号：US18249731
申请日：2021-11-04
Inventor： EIKI MORIMOTO , KIYOMI KAWAMURA , YASUAKI MATSUSHITA , NORITAKA ASO
IPC: H02K49/10
CPC classification number: H02K49/102
Abstract: Provided is a magnetic geared motor and a magnetic gear that support pole pieces with high rigidity, have small residual stress, and are very easy to assemble. Included are stator, first rotor that rotates by magnetic flux generated by stator, and second rotor that rotates at a speed different from that of first rotor. Second rotor includes a plurality of pole pieces annularly arranged along the circumferential direction of second rotor, and frame including a circumferential portion including a plurality of gaps respectively corresponding to the plurality of pole pieces and in each of which the corresponding one of the plurality of pole pieces is at least partly inserted. The plurality of pole pieces and frame are integrated with mold resin.
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