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1. (WO2017203570) IPM MOTOR ROTOR, IPM MOTOR, AND METHOD FOR MANUFACTURING IPM MOTOR ROTOR

Pub. No.:    WO/2017/203570    International Application No.:    PCT/JP2016/065186
Publication Date: Fri Dec 01 00:59:59 CET 2017 International Filing Date: Tue May 24 01:59:59 CEST 2016
IPC: H02K 1/27
H02K 15/03
H02K 21/14
H02K 29/08
Applicants: MITSUBISHI ELECTRIC CORPORATION
三菱電機株式会社
Inventors: HAYASHI, Tomoki
林 知毅
YABUUCHI, Hironori
薮内 宏典
Title: IPM MOTOR ROTOR, IPM MOTOR, AND METHOD FOR MANUFACTURING IPM MOTOR ROTOR
Abstract:
This IPM motor rotor is provided with: a rotor core; a permanent magnet that is buried in the rotor core; a sensor magnet that is provided to one end of the rotor core; and a resin that covers the sensor magnet and fixes the sensor magnet to the rotor core. The sensor magnet has: an annular base part; and a plurality of projected parts that project toward the rotor core from a first surface which is a surface on the side opposite to the rotor core in the base part. The projected parts have tapered sections formed on inner peripheral sides thereof, and are arranged apart from each other on the first surface.