Title:
モータ
Document Type and Number:
Japanese Patent JP4670871
Kind Code:
B2
Abstract:
A motor includes a stator with an annular stator yoke, a stator core having a plurality of inner and outer teeth projecting from the stator yoke toward inside and outside respectively, a plurality of coils wound on the stator core, and an inner rotor and an outer rotor confronting the inner and outer teeth respectively via an air-gap, and having an permanent magnet respectively. The number of slots "S" and the number of poles "P" establish a relation of S : P = 3 : 2N - 1, where N is an integer equal to 1 or more, and a case when 2N - 1 becomes a multiple of 3 is excluded.
Inventors:
Yuichi Yoshikawa
Hiroshi Murakami
Yukinori Nakagawa
Masahiko Morisaki
Lee Tiger
Hiroshi Murakami
Yukinori Nakagawa
Masahiko Morisaki
Lee Tiger
Application Number:
JP2007540412A
Publication Date:
April 13, 2011
Filing Date:
April 17, 2007
Export Citation:
Assignee:
Panasonic Corporation
International Classes:
H02K16/02; H02K21/16; H02K21/22
Domestic Patent References:
| JP2004304995A | 2004-10-28 | |||
| JP2001037133A | 2001-02-09 | |||
| JP2002165426A | 2002-06-07 |
Attorney, Agent or Firm:
Hiroki Naito
Daisuke Nagano
Kentaro Fujii
Daisuke Nagano
Kentaro Fujii