Title:
An electric motor
Document Type and Number:
Japanese Patent JP6113446
Kind Code:
B2
Abstract:
An electric motor has a stator, a rotor and brush gear. The rotor includes a shaft, a rotor core fixed to the shaft, a commutator fixed to the shaft, and rotor windings wound on the rotor core and electrically connected to the commutator. The brush gear includes at least two arcuate brushes for making sliding contact with the commutator. The commutator and brush gear are disposed within a space formed in the rotor core to minimize the axial length of the motor.
Inventors:
Gee Dong Chai
Yang Nian Liu
Liangguan
Bao Ting Liu
Yang Nian Liu
Liangguan
Bao Ting Liu
Application Number:
JP2012207478A
Publication Date:
April 12, 2017
Filing Date:
September 03, 2012
Export Citation:
Assignee:
Johnson Electric Society Anonymous
International Classes:
H02K13/00; H02K5/14
Domestic Patent References:
| JP56025363A | ||||
| JP2006005972A | ||||
| JP60192667U | ||||
| JP2011147337A | ||||
| JP2002051496A | ||||
| JP59080142A |
Foreign References:
| US5343106 | ||||
| US5434463 | ||||
| US20040027016 |
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