Title:
ELECTRIC MOTOR
Document Type and Number:
Japanese Patent JP2010207083
Kind Code:
A
Abstract:
To provide an electric motor having a carbon brush for giving an improved feature to the motor.
The electric motor has a pair of brushes for transmitting an electric power to the winding of a winding type rotor by allowing the winding type rotor to come into slide contact with a cylindrical rectifier. Each brush 10 has a body 12 including a pair of end faces 15 and 16 and a contact surface 13 extending between the end faces to come into slide contact with a cylindrical peripheral surface of the rectifier. An extending direction of the contact surface is inclined in the axial direction of the rectifier. The contact surface is formed in a V shape viewed in the extending direction thereof.
Inventors:
LAU JAMES CHING SIK
WONG DUNCAN YIU LUNG
JIN CHANG LIN
LOUIE YUEN TUNG
WONG DUNCAN YIU LUNG
JIN CHANG LIN
LOUIE YUEN TUNG
Application Number:
JP2010067049A
Publication Date:
September 16, 2010
Filing Date:
March 03, 2010
Export Citation:
Assignee:
JOHNSON ELECTRIC SA
International Classes:
H02K13/00; H01R39/18; H02K23/00
Domestic Patent References:
| JPH0190263U | 1989-06-14 | |||
| JPH09140084A | 1997-05-27 | |||
| JPH10511838A | 1998-11-10 | |||
| JP2003143813A | 2003-05-16 | |||
| JPS6188743A | 1986-05-07 | |||
| JPS62230340A | 1987-10-09 |
Foreign References:
| US4112321A | 1978-09-05 |
Attorney, Agent or Firm:
Koichi Tsujii
Sadao Kumakura
Fumiaki Otsuka
Takaki Nishijima
Hiroyuki Suda
Hiroshi Uesugi
Sadao Kumakura
Fumiaki Otsuka
Takaki Nishijima
Hiroyuki Suda
Hiroshi Uesugi