Title:
回転電機
Document Type and Number:
Japanese Patent JP5021767
Kind Code:
B2
Abstract:
A rotary electric machine comprising: a rotor (30A) including a plurality of permanent magnets having magnetic poles and a stator (20A) including a plurality of tooth sections each having a front end portion which faces the rotor, wherein the rotor (30A) has a skew structure having a change section in which boundaries between the magnetic poles change with respect to a rotation axis direction, and wherein the front end portion of each of the plurality of tooth sections of the stator (20A) has an auxiliary slot (24A) which is selectively formed in an extending manner at one portion of the front end portion in the rotation axis direction such that substantially a center of the auxiliary slot in the rotation axis direction is opposed to a center of the change section in the rotation axis direction, and no auxiliary slot is formed at portions located on extensions of the auxiliary slot in the rotation axis direction.
Inventors:
Shinichi Yamaguchi
Hisashi Otsuka
Hasegawa Haruyuki
Hisashi Otsuka
Hasegawa Haruyuki
Application Number:
JP2009547875A
Publication Date:
September 12, 2012
Filing Date:
December 01, 2008
Export Citation:
Assignee:
Mitsubishi Electric Corporation
International Classes:
H02K1/14; H02K1/22; H02K1/27; H02K21/16; H02K1/16
Domestic Patent References:
| JP2006230116A | 2006-08-31 | |||
| JP2000308286A | 2000-11-02 | |||
| JP2004248422A | 2004-09-02 | |||
| JP2001231196A | 2001-08-24 |
Attorney, Agent or Firm:
Keigo Murakami
Masuo Oiwa
Toshihide Kodama
Takenaka Ikuo
Masuo Oiwa
Toshihide Kodama
Takenaka Ikuo