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    • 3. 发明申请
    • Magnetic Shield for Stator Core End Structures of Electric Rotating Machine
    • 电动旋转机定子芯端结构磁屏蔽
    • US20110241455A1
    • 2011-10-06
    • US13026706
    • 2011-02-14
    • Jun YOSHIDAAkihito NakaharaAkiyoshi Komura
    • Jun YOSHIDAAkihito NakaharaAkiyoshi Komura
    • H02K1/18H02K1/02
    • H02K3/42H02K1/12H02K2213/03
    • In an electric rotating machine, for reducing losses that occur in clamping plates and their shield, the electric rotating machine includes a rotor formed with field winding wound around a rotor core, a stator placed opposite to the rotor at a predetermined space and formed with stator winding wound around a stator core formed by stacking multiple magnetic steel sheets in the axial direction, clamping plates clamping and retaining the stator core from both axial end parts thereof in the stacking direction of the magnetic steel sheets, and a magnetic shield placed around the clamping plates to shield flux leakage flowing into the clamping plates, and the magnetic shield is formed of a cylinder of stacked steel sheets stacked in a form of a cylinder about the rotor shaft and powder magnetic core segments and powder magnetic core segments having portions which are stuck to the cylinder of stacked steel sheets on the stacking cross section, and arranged to cover side surfaces and an inner surface of radial direction of the clamping plates.
    • 在旋转电机中,为了减少在夹板及其屏蔽中发生的损耗,旋转电机包括形成有围绕转子芯的励磁绕组的转子,在预定空间处与转子相对设置的定子,并且形成有定子 缠绕在通过在轴向上堆叠多个电磁钢板而形成的定子铁芯上,夹紧板沿着电磁钢板的堆叠方向从其两个轴向端部夹持和保持定子铁芯,以及围绕夹紧 板,以屏蔽流入夹板的漏磁,并且磁屏蔽是由围绕转子轴的圆柱体形式的堆叠钢板的圆筒形成的,并且粉末磁芯段和具有卡住的部分的粉末磁芯段 在堆叠横截面上的堆叠钢板的圆筒,并且布置成覆盖侧表面和内侧 夹板的径向表面。