PERMANENT MAGNET MOTOR

摘要

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