Patent ID: 6359359
Filing Date: 2002-03-19
Classification: H02K

Abstract:
A permanent magnet motor comprising:a stator; a rotor rotatably mounted within the stator, the rotor having a plurality of holes formed therein; and a permanent magnet forming a first one of a plurality of poles of the motor, the permanent magnet being disposed by itself in a first one of the holes, the permanent magnet being divided in a direction of a circumference of the rotor into a plurality of permanent magnet segments by at least one slit so that portions of adjacent ones of the permanent magnet segments remain interconnected and aligned in a substantially straight line along the direction in which the permanent magnet is divided, wherein a first pole of the permanent magnet faces in the direction of a radius of the rotor toward the center of the rotor, and a second pole of the permanent magnet faces away from the center of the rotor along said rotor radius.