公开(公告)号：US20130264895A1

公开(公告)日：2013-10-10

申请号：US13737377

申请日：2013-01-09

Applicant: DENSO CORPORATION

Inventor： Kenji KONDOU ,  Shin Kusase ,  Takeo Maekawa

IPC: H02K1/06

CPC classification number: H02K1/06 ,  H02K16/04 ,  H02K21/12 ,  H02K21/14 ,  H02K2201/03 ,  H02K2213/03

Abstract: The synchronous motor includes a rotor including a rotor core constituted of segment poles disposed in a ring and a stator including a stator core disposed radially outward or inward of the rotor with a gap therebetween and a multiple-phase stator winding wound on the stator core. Each of the segment poles has a magnetic salient pole characteristic. The rotor is rotated in synchronization with a rotating magnetic field generated when the multiple-phase stator winding is applied with a multiple-phase AC voltage. The lamination thickness as an axial length of the stator core is shorter than the lamination thickness as an axial length of the rotor core.

Abstract translation: 同步电动机包括：转子，其包括由设置在环中的分段磁极构成的转子铁心和定子，该定子包括定子铁芯，该定子铁心沿转子的径向外侧或向内设置有间隙，并且定子铁芯上缠绕有多相定子绕组。 每个分段极具有磁性突极特性。 转子与多相定子绕组施加多相交流电压时产生的旋转磁场同步旋转。 作为定子铁心的轴向长度的层压厚度比作为转子铁芯的轴向长度的层叠厚度短。