Brush-less DC motor
    132.
    发明授权
    Brush-less DC motor 失效
    无刷直流电机

    公开(公告)号:US4167692A

    公开(公告)日:1979-09-11

    申请号:US845435

    申请日:1977-10-25

    IPC分类号: H02K3/00 H02K29/08 H02K29/00

    CPC分类号: H02K3/00 H02K29/08

    摘要: A brush-less DC motor includes a stator member; a stationary cylindrical member projected from the stator member and having bearings on its inner circumferential surface; a rotary shaft being rotatably supported by the bearings of the stationary cylindrical member; a rotary cylindrical member into which the stationary cylindrical member is inserted, and to which the rotary shaft is fixed; two rotary discs of magnetic material, fixed to the rotary cylindrical member and spaced from each other; a permanent magnet fixed to one of the rotary discs; a rotational-position detecting member; and a coil assembly including a plurality of coil units. The working point of the rotary shaft is nearer to the stationary cylindrical member than to the rotary cylindrical member.

    摘要翻译: 无刷直流电动机包括定子构件; 固定圆柱形构件从定子构件突出并在其内圆周表面上具有轴承; 旋转轴,其由所述固定圆柱形构件的轴承可旋转地支撑; 旋转圆柱形构件,固定圆柱形构件插入其中,旋转轴固定到该旋转圆柱构件; 两个磁性材料旋转盘,固定在旋转圆柱形构件上并彼此分开; 固定到所述旋转盘中的一个的永磁体; 旋转位置检测构件; 以及包括多个线圈单元的线圈组件。 旋转轴的工作点比旋转圆柱形构件更靠近固定圆柱形构件。