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    • 7. 发明申请
    • Four pole stator assembly with two permanent magnets
    • 具有两个永磁体的四极定子组件
    • US20050093389A1
    • 2005-05-05
    • US10816668
    • 2004-04-02
    • Attila Simofi-IlyesAndrew LakerdasMartin Volkening
    • Attila Simofi-IlyesAndrew LakerdasMartin Volkening
    • H02K1/17H02K23/04H02K21/26
    • H02K23/04H02K1/17
    • A stator assembly 16 for a brush-type permanent magnet DC motor includes a or body 17 having a central axis A and an annular inner wall 20 disposed about the central axis. The inner wall has at least one raised portion 21 and at least one recess 22 adjacent to the at least one raised portion. The raised portion defines a flux recovery feature. At least one permanent magnet 18 is disposed within the recess 22 such that an inside radius IRM of the magnet is substantially the same as, and concentric with, an inside radius IRF of the raised portion as measured from the central axis, with the flux recovery feature 21 and magnet 18 defining a magnetic circuit. In section, the at least one raised portion is joined with a surface defining the at least one recess by a generally S-shaped structure thereby defining a curved transition there-between. Thus, in a motor having N poles, only N/2 magnets are required.
    • 用于刷式永磁直流电动机的定子组件16包括具有中心轴线A的本体17和围绕中心轴线设置的环形内壁20。 内壁具有至少一个凸起部分21和与至少一个凸起部分相邻的至少一个凹部22。 隆起部分限定了通量恢复特征。 至少一个永磁体18设置在凹部22内,使得磁体的内半径IRM与从中心轴测量的凸起部分的内半径IRF基本相同并且与其同心,并且磁通恢复 特征21和限定磁路的磁体18。 在截面中,所述至少一个凸起部分与限定所述至少一个凹部的表面通过大致S形的结构连接,从而在其间形成弯曲的过渡。 因此,在具有N极的电动机中,仅需要N / 2个磁体。
    • 8. 发明授权
    • Two speed electric motor with link wound dual-commutator and dual-armature winding
    • 双速电动机,带连杆绕线双换向器和双电枢绕组
    • US07105969B2
    • 2006-09-12
    • US10976615
    • 2004-10-29
    • Attila Simofi-IlyesAndrew LakerdasMartin VolkeningStefan Smorowski
    • Attila Simofi-IlyesAndrew LakerdasMartin VolkeningStefan Smorowski
    • H02K13/04
    • H02K23/36
    • A permanent magnet D.C. electric motor includes a stator housing, permanent magnet structure, and an armature assembly. The armature assembly includes a shaft rotatably mounted in the stator housing, lamination structure, first and second coil windings associated with the lamination structure, a first commutator electrically connected with the first coil windings, and second commutator electrically connected with the second coil windings, each of the first and second commutators being generally cylindrical and having a plurality of commutator segments. Certain segments of the first commutator and certain segments of the second commutator are electrically connected. The motor also includes a brush card assembly including a high speed side having first brush structure associated with the first commutator, and a low speed side having a second brush structure associated with the second commutator, and switches for selectively connecting a D.C. voltage in such a way as to cause the armature assembly to rotate at a first speed and a second speed.
    • 永磁直流电动机包括定子壳体,永磁体结构和电枢组件。 电枢组件包括可旋转地安装在定子壳体中的轴,层压结构,与层压结构相关联的第一和第二线圈绕组,与第一线圈绕组电连接的第一换向器和与第二线圈绕组电连接的第二换向器 所述第一和第二换向器通常为圆柱形并具有多个换向片段。 第一换向器的某些段和第二换向器的某些段电连接。 电动机还包括刷卡组件,其包括具有与第一换向器相关联的第一电刷结构的高速侧和具有与第二换向器相关联的第二电刷结构的低速侧,以及用于选择性地连接这样的直流电压的开关 以使电枢组件以第一速度和第二速度旋转。