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    • 2. 发明授权
    • Claw pole rotor with cavity for minimizing flux leakage
    • 具有腔体的爪极转子,以最大限度减少漏磁
    • US09577501B2
    • 2017-02-21
    • US14085241
    • 2013-11-20
    • Remy Technologies, LLC
    • Michael D. Bradfield
    • H02K21/04H02K3/32H02K3/52H02K1/22H02K1/24
    • H02K21/044H02K1/226H02K1/243H02K3/325H02K3/528H02K21/048
    • A rotor for a rotary electric machine, the rotor including first and second pole pieces each having a respective magnetic hub arranged for rotation about an axis along which they are spaced. Pluralities of magnetic first and second pole fingers are spaced from each other and extend between the hubs. Each pole finger has a proximal end connected to its respective hub, and an axially opposite distal end. The first and second pole fingers circumferentially alternate about the axis, and each pole finger has a respective radially inner surface defining a cavity that extends axially from the distal end to a cavity terminus. Relative to each pole finger, at a respective axial position between the distal end and the cavity terminus the radial distance between the axis and the radially inner surface is substantially greater inside of the cavity than outside of the cavity.
    • 一种用于旋转电机的转子,所述转子包括第一和第二极靴,每个极片具有相应的磁性轮毂,所述磁性毂布置成围绕它们间隔开的轴线旋转。 多个磁性第一和第二极指彼此间隔开并且在轮毂之间延伸。 每个极指具有连接到其相应的毂的近端和轴向相对的远端。 第一和第二极指围绕轴线周向地交替,并且每个极指具有相应的径向内表面,其限定从远端轴向延伸到空腔终端的空腔。 相对于每个极指,在远端和空腔终端之间的相应的轴向位置处,轴线和径向内表面之间的径向距离在空腔内部比空腔外面大得多。
    • 5. 发明申请
    • MOTOR AND ROTOR
    • 电机和转子
    • US20150084470A1
    • 2015-03-26
    • US14490016
    • 2014-09-18
    • ASMO CO., LTD.
    • Yoshiaki TakemotoMasashi MatsudaYusuke Morimoto
    • H02K21/14H02K1/14
    • H02K21/145H02K1/145H02K1/226H02K1/2706H02K1/2713H02K1/2733
    • A motor includes a rotor and a stator. The rotor includes a first rotor core including a plurality of first claw-like magnetic poles, a second rotor core including a plurality of second claw-like magnetic poles, and a magnetic field magnet arranged between the first and second rotor cores. The first and second claw-like magnetic poles are alternately arranged in a circumferential direction. The magnetic field magnet causes the first and second claw-like magnetic poles to function as magnetic poles different from each other. The stator includes a first stator core including a plurality of first claw-like magnetic poles, a second stator core including a plurality of second claw-like magnetic poles, and a coil section arranged between the first and second stator cores. The stator is configured to cause the first and second claw-like magnetic poles of the stator to function as magnetic poles different from each other and switch polarities of the magnetic poles on the basis of energization to the coil section. At least ones of the claw-like magnetic poles of the rotor and the claw-like magnetic poles of the stator are formed in a shape in which circumferential centers of distal end portions are shifted in the circumferential direction with respect to circumferential centers of proximal end portions.
    • 电动机包括转子和定子。 该转子包括:第一转子铁芯,其包括多个第一爪状磁极;第二转子铁心,包括多个第二爪状磁极;以及磁场磁铁,设置在第一和第二转子铁心之间。 第一爪状磁极和第二爪状磁极沿圆周方向交替排列。 磁场磁铁使第一爪状磁极和第二爪状磁极作为彼此不同的磁极。 定子包括:第一定子铁芯,其包括多个第一爪状磁极;第二定子铁芯,包括多个第二爪状磁极;以及线圈段,配置在第一和第二定子铁芯之间。 定子构造成使定子的第一爪状磁极和第二爪状磁极作为彼此不同的磁极,并且基于对线圈部的通电来切换磁极的极性。 转子的爪状磁极和定子的爪状磁极中的至少一个形成为使得前端部的圆周中心相对于近端的圆周中心在圆周方向上偏移的形状 部分。