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    • 2. 发明授权
    • Coreless motor
    • 无芯电机
    • US5780947A
    • 1998-07-14
    • US798037
    • 1997-02-06
    • Kodo FukuokaKouji Kuyama
    • Kodo FukuokaKouji Kuyama
    • H02K7/075H02K7/06H02K7/08H02K23/56H02K23/58H02K5/04
    • H02K7/085H02K23/56H02K7/061H02K7/083
    • A coreless motor has a cylindrical shell of magnetic material, a column-like magnet securely and coaxially positioned in the shell to form a cylindrical clearance therebetween, and a rotor. The rotor includes a cylindrical winding of a coil, arranged coaxially in the clearance, a commutator mechanically supporting one end of the winding and electrically connected with the coil, and a shaft for supporting the commutator. The motor further includes a pair of brushes arranged in contact with the commutator,such that an electric current is supplied via the commutator to the coil. A first bearing is mounted at an end portion of the magnet adjacent the commutator to rotatably support a first portion of the shaft, and a second bearing is mounted adjacent one end of the shell to rotatably support a second portion of said shaft.
    • 无芯电动机具有磁性材料的圆柱形壳体,柱形磁体牢固并同轴地定位在壳体中以在其间形成圆柱形间隙,以及转子。 转子包括线圈的圆柱形绕组,同轴地布置在间隙中,换向器机械地支撑绕组的一端并与线圈电连接,以及用于支撑换向器的轴。 电动机还包括与换向器接触的一对电刷,使得经由换向器将电流供给到线圈。 第一轴承安装在靠近换向器的磁体的端部处,以可旋转地支撑轴的第一部分,并且第二轴承安装在壳体的一端附近,以可旋转地支撑所述轴的第二部分。
    • 10. 发明授权
    • Armature with unitary coil and commutator
    • 具有单线圈和换向器的电枢
    • US06958564B2
    • 2005-10-25
    • US10785390
    • 2004-02-24
    • Gregory S. Graham
    • Gregory S. Graham
    • H01R39/04H02K3/26H02K13/08H02K19/00H02K21/00H02K23/30H02K23/56
    • H02K23/56H02K3/26H02K13/08H02K23/30Y10T29/49012
    • An armature for an electromotive device having a unitary coil and armature is disclosed. The armature may include a coil having inner and outer winding portions separated by an insulator, each of the winding portions comprising a plurality of sheet metal conductors, and a commutator having a plurality of sheet metal commutator segments each being integrally formed with one of the conductors. In one embodiment of the armature, the commutator may have a smaller outside diameter than the outside diameter of the coil. In the same or different embodiment of the armature, the commutator segments may have a width greater than the width of the conductors. The armature may be fabricated from a pair of conductive sheets by forming in each of the conductive sheets a plurality of conductive bands each having first and second conductor portions, shaping the conductive sheets into inner and outer cylinders, positioning the inner cylindrical conductive sheet inside the outer cylindrical conductive sheet, forming a coil from the first conductor portions of the inner and outer cylindrical conductive sheets, and forming a commutator from the second conductor portions of the inner and outer cylindrical conductive sheets.
    • 公开了一种具有整体线圈和电枢的电动装置的电枢。 电枢可以包括具有由绝缘体隔开的内部和外部绕组部分的线圈,每个绕组部分包括多个金属片导体,以及具有多个片状金属换向器片段的换向器,每个片状金属换向器片段与导体之一一体地形成 。 在电枢的一个实施例中,换向器可以具有比线圈的外径更小的外径。 在电枢的相同或不同实施例中,换向器段可以具有大于导体宽度的宽度。 电枢可以由一对导电片制成,通过在每个导电片中形成多个导电带,每个导电带具有第一和第二导体部分,将导电片成形为内筒和外筒,将内圆柱形导电片定位在内 外圆柱形导电片,从内圆柱形导电片和外圆柱形导电片的第一导体部分形成线圈,并从内圆柱形导电片和外圆柱形导电片的第二导体部分形成换向器。