PERMANENT MAGNET MOTOR

摘要

A permanent magnet motor (100) is provided. The permanent magnet motor (100) includes a stator (10) having a central hole (20), a rotor (30) disposed in the central hole (20), the stator core (1) includes a plurality of winding grooves (12) and a plurality of winding teeth (13) each disposed between adjacent winding grooves (12), each of the winding teeth (13) includes a pole shoe (14) disposed at an inner end thereof, and the pole shoe (14) has an inner end surface facing the rotor (30) and including a circular arc segment (1411) in a middle of the inner end surface, the central hole (20) has a center (O), the radian of the circular arc segment (1411) is greater than that of the central hole (20), and the circle center (Q) of the circular arc segment (1411) does not coincide with the center (O) of the central hole (20).