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    • 10. 发明申请
    • ELECTRIC MOTOR WITH FIELD WEAKENING
    • 具有现场弱化的电动机
    • WO2007095254A1
    • 2007-08-23
    • PCT/US2007/003838
    • 2007-02-12
    • THE TIMKEN COMPANYAI, XiaolanMULARCIK, BradleyKNEPPER, Richard
    • AI, XiaolanMULARCIK, BradleyKNEPPER, Richard
    • H02K21/00H02K21/24H02K7/116H02K7/12
    • H02K21/24H02K7/1166H02K7/12
    • An electric motor comprising a rotor, a stator and a field weakening device. The rotor has a plurality of magnets mounted thereto, and the stator is located adjacent to the rotor and has a plurality of slots defined therein. The slots define raised teeth and are wound with electrical wiring to generate a magnetic field when the wiring is energized with current. The field weakening device is made from a highly magnetically permeable material and a comparatively lower magnetically permeable material. The field weakening device is disposed between the rotor and the stator and is selectively movable between a first position to align the highly magnetically permeable material between the teeth of the stator and the magnets of the rotor and a second position to align the comparatively lower magnetically permeable material between the teeth of the stator and the magnets of the rotor.
    • 一种电动机,包括转子,定子和减弱弱磁装置。 转子具有安装在其上的多个磁体,并且定子位于与转子相邻并且在其中限定的多个狭槽。 这些槽定义凸起的齿,并用电线缠绕,以在布线通电时产生磁场。 弱磁装置由高导磁性材料和相对较低的导磁材料制成。 减弱弱磁装置设置在转子和定子之间,并且可选择性地在第一位置之间移动,以在定子的齿与转子的磁体之间对准高导磁材料,以及第二位置以使相对较低的磁导 定子的齿与转子的磁体之间的材料。