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公开(公告)号：EP4220899A1
公开(公告)日：2023-08-02
申请号：EP21917678.1
申请日：2021-12-21
发明人： SAITO, Naoto , IIJIMA, Ami , TSUDA, Teppei , OKOCHI, Toshinori
IPC分类号： H02K1/276
摘要： A laminated core of this rotor core includes one side magnet hole provided on one side in a circumferential direction with respect to a d-axis, an other side magnet hole provided on the other side, an intermediate magnet hole, a first outer bridge portion, a second outer bridge portion, a first inner bridge portion, and a second inner bridge portion.
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公开(公告)号：EP4102686A1
公开(公告)日：2022-12-14
申请号：EP21822462.4
申请日：2021-01-14
申请人： AISIN CORPORATION
发明人： SAITO, Naoto , IIJIMA, Ami , TSUDA, Teppei
摘要： A rotor for a rotary electric machine is disclosed. The rotor includes: a rotor core 32 provided with a first magnet hole 321 on an outer side in a radial direction and a second magnet hole 322 on an inner side in the radial direction for each of the magnetic poles; and a plurality of permanent magnets 61, 62 provided in the first magnet hole and the second magnet hole and forming the magnetic poles. The rotor core includes a first section 3211 provided radially outside of the first magnet hole, a second section 3212 extending between the first magnet hole and the second magnet hole and having opposite ends in the circumferential direction that extend to an outer peripheral surface of the rotor core, a third section 3213 extending radially inside of the second magnet hole and having opposite ends in the circumferential direction that extend to the outer peripheral surface of the rotor core, a first bridge portion 41 that connects the second section and the first section and forms a part of the outer peripheral surface of the rotor core, and a second bridge portion 42 that connects the third section and the second section and forms a part of the outer peripheral surface of the rotor core. The first bridge portion is disposed radially inside of the second bridge portion.
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