Title:
MOTOR
Document Type and Number:
Japanese Patent JP2014147177
Kind Code:
A
Abstract:
PROBLEM TO BE SOLVED: To provide a motor that reduces cogging torque.SOLUTION: A magnetic plate 40 has rotor opposition portions 44 axially outwardly extended from a radially inner end portion of an axial end portion of a main core part. The rotor opposition portions 44 have side edge portions 44a, 44b as circumferential side portions inclined axially, and that in symmetry directions, and are formed so as not to overlap circumferentially adjacent rotor opposition portions 44 and tooth forming portions in an axial view.
Inventors:
KATAI HIROSHI
TATEISHI YUSUKE
TATEISHI YUSUKE
Application Number:
JP2013013344A
Publication Date:
August 14, 2014
Filing Date:
January 28, 2013
Export Citation:
Assignee:
ASMO CO LTD
International Classes:
H02K1/16; H02K1/18; H02K21/16
Domestic Patent References:
| JP2007244004A | 2007-09-20 | |||
| JP2010220271A | 2010-09-30 | |||
| JP2013009567A | 2013-01-10 | |||
| JP2011239533A | 2011-11-24 | |||
| JP2006174525A | 2006-06-29 | |||
| JPH09285044A | 1997-10-31 | |||
| JP2009038904A | 2009-02-19 | |||
| JP2011019303A | 2011-01-27 | |||
| JP2001211576A | 2001-08-03 | |||
| JPS51125208U | 1976-10-09 |
Foreign References:
| US20060197402A1 | 2006-09-07 | |||
| US20120326554A1 | 2012-12-27 | |||
| US20110006620A1 | 2011-01-13 |
Attorney, Agent or Firm:
Hironori Onda
Makoto Onda
Makoto Onda