Brushless motor
    1.
    发明授权
    Brushless motor 有权
    无刷电机

    公开(公告)号:US09083226B2

    公开(公告)日:2015-07-14

    申请号:US13206843

    申请日:2011-08-10

    IPC分类号: H02K1/27 H02K1/14 H02K21/16

    摘要: A brushless motor has a stator and a rotor. The stator has a stator core and stator windings. The stator core has a stator yoke and teeth extending radially inwardly from the stator yoke. The stator windings are formed by concentrated coils wound on the teeth. The rotor has a rotor shaft, a rotor core fixed to the rotor shaft and magnets fixed in slots formed in the rotor core. Each magnet is plate shaped and extends in both axial and radial directions of the rotor and each magnet is magnetically charged across its thickness so that a rotor pole is formed between two adjacent magnets. The ratio of the radial thickness (Y) of the stator yoke to the width (T) of the tooth body is from 0.4 to 0.7.

    摘要翻译: 无刷电动机具有定子和转子。 定子具有定子铁芯和定子绕组。 定子铁心具有定子磁轭和从定子磁轭径向向内延伸的齿。 定子绕组由缠绕在齿上的集中线圈形成。 转子具有转子轴,固定在转子轴上的转子铁芯和固定在转子铁心中形成的槽中的磁体。 每个磁体是板形的并且在转子的轴向和径向两个方向上延伸,并且每个磁体在其厚度上被磁性地充电,使得在两个相邻的磁体之间形成转子极。 定子磁轭的径向厚度(Y)与齿体的宽度(T)之比为0.4〜0.7。

    Brushless motor having V-shaped permanent magnets
    2.
    发明授权
    Brushless motor having V-shaped permanent magnets 有权
    无刷电动机具有V形永久磁铁

    公开(公告)号:US08866359B2

    公开(公告)日:2014-10-21

    申请号:US13149603

    申请日:2011-05-31

    摘要: A brushless motor has a stator and a rotor. The stator has a stator core with a plurality of inwardly extending salient poles and windings wound about the salient poles. The rotor has a shaft, a rotor core fixed onto the shaft, and magnets inserted in the rotor core for forming magnetic poles of the rotor. Each of the salient poles has a pole shoe with a pole face that extends along a circumferential direction confronting the rotor core and being spaced from the rotor core by an air gap. In a radial cross section of the motor, each of the magnetic poles of the rotor has an effective dimension (W) which is about 0.85 times to 1.2 times of the chord length (L) of each pole face.

    摘要翻译: 无刷电动机具有定子和转子。 定子具有定子芯,该定子芯具有多个向内延伸的凸极和围绕凸极缠绕的绕组。 转子具有轴,固定在轴上的转子芯和插入转子芯中的磁体,用于形成转子的磁极。 每个凸极具有带有极面的极靴,该极靴沿着与转子芯相对的圆周方向延伸并且通过气隙与转子芯间隔开。 在电动机的径向截面中,转子的每个磁极的有效尺寸(W)约为每个极面的弦长(L)的0.85倍至1.2倍。

    BRUSHLESS MOTOR
    3.
    发明申请
    BRUSHLESS MOTOR 有权
    无刷电机

    公开(公告)号:US20120038237A1

    公开(公告)日:2012-02-16

    申请号:US13206843

    申请日:2011-08-10

    IPC分类号: H02K21/16

    摘要: A brushless motor has a stator and a rotor. The stator has a stator core and stator windings. The stator core has a stator yoke and teeth extending radially inwardly from the stator yoke. The stator windings are formed by concentrated coils wound on the teeth. The rotor has a rotor shaft, a rotor core fixed to the rotor shaft and magnets fixed in slots formed in the rotor core. Each magnet is plate shaped and extends in both axial and radial directions of the rotor and each magnet is magnetically charged across its thickness so that a rotor pole is formed between two adjacent magnets. The ratio of the radial thickness (Y) of the stator yoke to the width (T) of the tooth body is from 0.4 to 0.7.

    摘要翻译: 无刷电动机具有定子和转子。 定子具有定子铁芯和定子绕组。 定子铁心具有定子磁轭和从定子磁轭径向向内延伸的齿。 定子绕组由缠绕在齿上的集中线圈形成。 转子具有转子轴,固定在转子轴上的转子铁芯和固定在转子铁心中形成的槽中的磁体。 每个磁体是板形的并且在转子的轴向和径向两个方向上延伸,并且每个磁体在其厚度上被磁性地充电,使得在两个相邻的磁体之间形成转子极。 定子磁轭的径向厚度(Y)与齿体的宽度(T)之比为0.4〜0.7。