Permanent magnet dynamo electric machine

    公开(公告)号:US06445100B1

    公开(公告)日:2002-09-03

    申请号:US09729188

    申请日:2000-12-05

    IPC分类号: H02K128

    摘要: In order to realize a permanent magnet dynamo electric machine which permits a high speed rotation, the permanent magnet dynamo electrIc machine including a stator 20 having a stator iron core 22 in which a stator winding 24 is wound, and a rotor 30 facing the inner circumference of the stator 20 and rotatably supported thereby, the rotor 30 having a rotor iron core 32 and a plurality of permanent magnets 36 arranged inside the rotor iron core 32 so as to face the stator iron core 22, wherein the rotor iron core 32 is provided with the same number of permanent magnet insertion holes 34 as the plurality of permanent magnets 36 for receiving the same at positions where ratio R1/R0 is equal to or more than 0.85, wherein R0 is the radius of the rotor 30 and R1 is the radius of an imaginary circle drawn by inscribing the faces of the plurality of permanent magnets 36 at the side remote from the stator 20.

    Permanent magnet dynamo electric machine
    19.
    发明授权
    Permanent magnet dynamo electric machine 失效
    永磁发电机

    公开(公告)号:US5811904A

    公开(公告)日:1998-09-22

    申请号:US821541

    申请日:1997-03-21

    摘要: In order to realize a permanent magnet dynamo electric machine which permits a high speed of rotation, the permanent magnet dynamo electric machine includes a stator 20 having a stator iron core 22 in which a stator winding 24 is wound, and a rotor 30 facing the inner circumference of the stator 20 and rotatably supported thereby, the rotor 30 having a rotor iron core 32 and a plurality of permanent magnets 36 arranged inside the rotor iron core 32 so as to face the stator iron core 22, wherein the rotor iron core 32 is provided with the same number of permanent magnet insertion holes 34 as the number of permanent magnets 36 for receiving the same at positions where the ratio R1/R0 is equal to or more than 0.85, wherein R0 is the radius of the rotor 30 and R1 is the radius of an imaginary circle drawn by inscribing the faces of the plurality of permanent magnets 36 at the side remote from the stator 20.

    摘要翻译: 为了实现允许高速旋转的永久磁铁发电机,永磁发电机包括具有定子铁芯22的定子20,定子绕组24绕其中定子铁芯22和面向内部的转子30 定子20的圆周并且由此可旋转地支撑,转子30具有转子铁芯32和多个永久磁铁36,其布置在转子铁芯32的内部以面对定子铁芯22,其中转子铁芯32是 具有与比率R1 / R0等于或大于0.85的位置处接收相同数量的永磁体插入孔34,其中R0是转子30的半径,R1是 通过在远离定子20的一侧刻上多个永磁体36的表面而绘制的假想圆的半径。