Title:
SYNCHRONOUS MOTOR
Document Type and Number:
WIPO Patent Application WO/2014/195999
Kind Code:
A1
Abstract:
A synchronous motor comprises: a stator wherein a concentrated winding is arranged to surround teeth (2b) in nine slots formed in a stator core (2); and a rotor disposed on the inner diameter side of the teeth (2b) and having ten-pole permanent magnets provided near the outer diameter side of a yoke core. The stator core (2) is configured such that the value of b divided by a is greater than 0.5, where a represents the width of a tooth tip portion (2c) provided on the inner diameterw side of a tooth (2b) from a root portion (2b1) between the tooth tip portion (2c) and the tooth (2b) to a circumferential end portion (2c1) of the tooth tip portion (2c), and b represents the thickness of the tooth tip portion (2c) from the root portion (2b1) to the inner diameter surface (2c2) of the tooth tip portion (2c).
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Inventors:
MATSUOKA ATSUSHI (JP)
BABA KAZUHIKO (JP)
ASO HIROKI (JP)
URABE YUTO (JP)
BABA KAZUHIKO (JP)
ASO HIROKI (JP)
URABE YUTO (JP)
Application Number:
PCT/JP2013/065330
Publication Date:
December 11, 2014
Filing Date:
June 03, 2013
Export Citation:
Assignee:
MITSUBISHI ELECTRIC CORP (JP)
International Classes:
H02K1/16
Foreign References:
| JP2007259541A | 2007-10-04 | |||
| JP2004153886A | 2004-05-27 | |||
| JP2006271057A | 2006-10-05 | |||
| JP2010284022A | 2010-12-16 | |||
| JP2004222410A | 2004-08-05 | |||
| JP2004096803A | 2004-03-25 | |||
| JP2002325410A | 2002-11-08 |
Attorney, Agent or Firm:
SAKAI, HIROAKI (JP)
Hiroaki Sakai (JP)
Hiroaki Sakai (JP)
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