公开(公告)号：US20170163104A1

公开(公告)日：2017-06-08

申请号：US15369135

申请日：2016-12-05

Applicant: Johnson Electric S.A.

Inventor： Yue LI ,  Tao Zhang ,  Jie CHAI ,  Chiu You ZHOU ,  Qiang ZHOU

IPC: H02K1/14 ,  H02K3/18 ,  H02K21/16 ,  H02K1/27

CPC classification number: H02K1/146 ,  H02K1/148 ,  H02K1/2706 ,  H02K3/18 ,  H02K21/16 ,  H02K29/03

Abstract: A single phase permanent magnet motor includes a stator and a rotor. The stator includes a stator corer and windings. The stator corer includes a yoke portion and stator teeth. Each stator tooth includes a winding portion and a pole shoe connected to an end of the winding portion. Each pole shoe includes a pole face. The pole face defines a first positioning notch at a middle thereof. Each of the pole faces further defines at least one second positioning notch. Said at least one second positioning notches in one of pole shoe are located at the same side of the first positioning notch of the corresponding one pole shoe. The first and second positioning notches are configured such that an initial position of the rotor received in the space of the stator is offset from a dead point position.