Title:
COMMUTATOR FOR ELECTRIC MOTOR
Document Type and Number:
Japanese Patent JP2009112193
Kind Code:
A
Abstract:
To provide an improved commutator for an electric motor.
The commutator 10 for an electric motor has a plurality of commutator segments supported by a base. Each segment has a conductive body portion 14 and at least one conductive foldable tongue 16 provided on the body portion 14 in order to be engaged with a winding lead wire 44 of an electric motor. The foldable tongue 16 has a near end 18 present on or near the body portion 14, and a remote end 22 separated from the near end 18. A wire receiving portion 30 is so provided on or near the foldable tongue 16 that the wire receiving portion 30 provides a predetermined gap 56 for the winding lead wire 44 when the tongue 16 is folded.
Inventors:
GUAN XIN HUI
MA HAI BO
QIN RUI FENG
MA HAI BO
QIN RUI FENG
Application Number:
JP2008297309A
Publication Date:
May 21, 2009
Filing Date:
October 24, 2008
Export Citation:
Assignee:
JOHNSON ELECTRIC SA
International Classes:
H02K13/04; H01R39/04; H02K13/00
Domestic Patent References:
JP2001327128A | 2001-11-22 | |||
JPS5228603A | 1977-03-03 | |||
JP2003518900A | 2003-06-10 | |||
JPH07298565A | 1995-11-10 |
Attorney, Agent or Firm:
Sadao Kumakura
Fumiaki Otsuka
Takaki Nishijima
Hiroyuki Suda
Fumiaki Otsuka
Takaki Nishijima
Hiroyuki Suda
Previous Patent: BATTERY PACK
Next Patent: ELECTRIC AUTOMOBILE, AND CHARGING METHOD OF SECONDARY BATTERY OF ELECTRIC AUTOMOBILE
Next Patent: ELECTRIC AUTOMOBILE, AND CHARGING METHOD OF SECONDARY BATTERY OF ELECTRIC AUTOMOBILE