公开(公告)号：US20130057102A1

公开(公告)日：2013-03-07

申请号：US13495420

申请日：2012-06-13

申请人： Yoji YAMADA ,  Chie MORITA ,  Yuu MIZOGUCHI

发明人： Yoji YAMADA ,  Chie MORITA ,  Yuu MIZOGUCHI

IPC分类号： H02K1/27

CPC分类号： H02K21/044 ,  H02K1/27 ,  H02K21/046 ,  H02K21/048 ,  H02K21/12 ,  H02K21/14

摘要： A rotor includes first and second rotor cores, a field magnet, interpole magnets and holding members. The first and second rotor cores each have claw-like magnetic poles arranged in the circumferential direction in an outer periphery of a core base at even intervals and formed to protrude radially outward. The field magnet is placed between the core bases in the axial direction of the rotor and magnetized in the axial direction to cause the magnetic poles of the first and second rotor cores to function as first and second magnetic poles, respectively. The interpole magnets are each arranged between a circumferentially adjacent pair of the magnetic poles and magnetized in the circumferential direction so as to have the same polarity as the magnetic poles, which are opposed thereto in the circumferential direction. The holding members hold the interpole magnets to restrict radially outward movement of the interpole magnets.

摘要翻译： 转子包括第一和第二转子芯，场磁体，极间磁体和保持部件。 第一转子铁心和第二转子铁芯均具有沿着圆周方向的均匀间隔设置在铁芯基座的外周的爪状磁极，并且形成为径向向外突出。 励磁磁铁沿着转子的轴向放置在芯基板之间，并沿轴向磁化，使得第一和第二转子铁芯的磁极分别用作第一和第二磁极。 所述极间磁铁分别配置在周向相邻的一对磁极之间，并且在圆周方向上被磁化，以具有与在周向上相对的磁极具有相同的极性。 保持构件保持极间磁体以限制极间磁体的径向向外运动。