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    • 3. 发明授权
    • Rotor of buried magnet-type electric motor, motor and machine tool having the rotor
    • 埋地磁式电动机转子,电机和机床具有转子
    • US09065314B2
    • 2015-06-23
    • US13595029
    • 2012-08-27
    • Yohei ArimatsuKenji Kawai
    • Yohei ArimatsuKenji Kawai
    • H02K1/27
    • H02K1/276H02K2213/03
    • A rotor (10) of a buried magnet-type electric motor, wherein the magnetic poles thereof are each constituted by two rows of magnets (M1, M2) of the same pole, wherein a core portion (12) between magnet slots of the same pole is arranged between the magnet slots (31, 32) in which the two rows of magnets are arranged, and wherein, of the edges constituting said magnet slots, the portions connecting the edges (31a, 32a) on the inner side in the radial direction to the outer edges of the core portion between the magnet slots of the same pole, have curved portions (41, 42) that connect a curve of a small curvature to a curve of a large curvature starting from the edges on the inner side in the radial direction and heading toward the outer edges of the core portion between the magnet slots of the same pole.
    • 一种埋地磁铁式电动机的转子(10),其磁极分别由同一极的两排磁体(M1,M2)构成,其中,在相同极的磁体槽之间的芯部(12) 在排列有两列磁体的磁体槽(31,32)之间布置有磁极,并且其中,在构成所述磁体槽的边缘之间,将径向内侧的边缘(31a,32a) 在相同极的磁体槽之间的芯部的外缘的方向具有弯曲部分(41,42),其将小曲率的曲线连接到从内侧的边缘开始的大曲率的曲线 径向并朝着同一极的磁体槽之间的芯部分的外边缘前进。