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    • 12. 发明申请
    • MOTOR AND COMPRESSOR
    • 电机和压缩机
    • US20090230811A1
    • 2009-09-17
    • US12440999
    • 2007-09-12
    • Yoshinari Asano
    • Yoshinari Asano
    • H02K1/06
    • F04C23/008F04C18/3564F04C29/0085H02K1/2793H02K21/24
    • A motor includes a rotating shaft, a rotor fixed to the rotating shaft, and first and second stators facing each other on opposite axial sides of the rotor with a gap in between. Each of the first and second stators includes a back yoke, teeth circumferentially arranged on a gap side of a respective one of the back yokes, and coils wound around the teeth. The back yoke of the first stator has a portion facing an end face of the rotating shaft, and the back yoke of the second stator has a shaft hole through which the rotating shaft passes. The thickness Ty1 of the back yoke of the first stator is set smaller than the thickness Ty12 of the back yoke of the second stator.
    • 马达包括旋转轴,固定到旋转轴的转子以及在转子的相对的轴向侧面彼此面对的第一和第二定子,其间具有间隙。 第一和第二定子中的每一个包括后轭,周向布置在背轭中的相应一个的间隙侧上的齿和缠绕在齿周围的线圈。 第一定子的后轭具有面向旋转轴的端面的部分,并且第二定子的后轭具有旋转轴通过的轴孔。 第一定子的后轭的厚度Ty1被设定为小于第二定子的后轭的厚度Ty12。
    • 15. 发明授权
    • Magnetizing method for a permanent-magnet motor
    • 永磁电动机的磁化方法
    • US06396374B1
    • 2002-05-28
    • US09818896
    • 2001-03-28
    • Yoshinari AsanoMasayuki ShintoHiroshi Itoh
    • Yoshinari AsanoMasayuki ShintoHiroshi Itoh
    • H01F1300
    • H01F13/003H02K15/03
    • In a method of magnetizing a material of a permanent magnet portion provided in a rotor for a permanent-magnet motor, the material of the permanent magnet portion is embedded inside the rotor body, while the permanent magnet material has anisotropy in a direction penetrating the permanent magnet portion in section, and then the rotor is incorporated in a magnetizing unit and held in a rotatable manner, and the permanent magnet material is magnetized by flowing a magnetizing current through windings under the condition that the rotor is rotatably held in the magnetizing unit. Thus, the permanent magnet material is completely magnetized in a normalized direction, and even if the rotor is shifted from the normalized position, the rotor is retained back to the normalized position by a magnetic torque.
    • 在将永久磁铁电动机的转子中设置的永久磁铁部分的材料磁化的方法中,永久磁铁部分的材料嵌入在转子体的内部,而永久磁铁材料在穿过永磁体的方向上具有各向异性 磁体部分,然后将转子结合在磁化单元中并以可旋转的方式保持,并且在转子可旋转地保持在磁化单元中的条件下,通过使磁化流通过绕组来使永磁体材料磁化。 因此,永久磁铁材料在归一化方向上被完全磁化,即使转子从归一化位置偏移,转子也通过磁力矩被保持回到归一化位置。