Title:
カーボンブラシ
Document Type and Number:
Japanese Patent JP4091024
Kind Code:
B2
Abstract:
A carbon brush that can suppress a wear amount of a carbon commutator and is less swelling is provided. The carbon brush is one that slides in contact with a carbon commutator that is used in a fuel pump, the bulk density thereof being 1.85 g/cm 3 or less, and the shore hardness thereof being 40 or less.
Inventors:
Daisuke Nanakoshi
Hozumi Fumihiro
Shin Suzuki
Takahito Sakota
Hozumi Fumihiro
Shin Suzuki
Takahito Sakota
Application Number:
JP2004216811A
Publication Date:
May 28, 2008
Filing Date:
July 26, 2004
Export Citation:
Assignee:
Tokyu Co., Ltd.
International Classes:
H02K13/00; H01R39/20; H01R39/26
Domestic Patent References:
| JP8308183A | ||||
| JP2004124224A | ||||
| JP2001008416A | ||||
| JP59106854A | ||||
| JP2000208224A | ||||
| JP6189506A | ||||
| JP11246681A | ||||
| JP56160783A |
Attorney, Agent or Firm:
Yoshiyuki Kaji