Vehicle mounted motor with rotor having ferrite magnet section with embedded permanent magnet pieces therein

摘要

A motor mounted in a vehicle having ferrite magnet section formed as a rotor core. The ferrite magnet section has a plurality of recesses, or through holes, circumferentially provided along an axial direction in a space-apart relation. A plurality of permanent magnet pieces are respectively fitted in the corresponding recess of the ferrite magnet section. The permanent magnet pieces are made of a permanent-magnetic material which has greater ferromagnetic property than that of the ferrite magnet section.