Title:
カーボンブラシ、カーボンブラシの製造方法および電動モータ
Document Type and Number:
Japanese Patent JP4925466
Kind Code:
B2
Abstract:
An electric motor that includes a rotor; a coil that is wound around the rotor; and a carbon brush that supplies power to the coil, wherein the brush is formed by using a raw material in which artificial graphite whose crystallites are flaky in shape is mixed with natural graphite whose crystallites are squamous or scaly in shape.
Inventors:
Yanagisawa Iwao
Application Number:
JP2007544121A
Publication Date:
April 25, 2012
Filing Date:
November 06, 2006
Export Citation:
Assignee:
Mitsuba Co., Ltd.
Kunimitsu Carbon Industry Co., Ltd.
Kunimitsu Carbon Industry Co., Ltd.
International Classes:
H02K13/00; H01R39/20
Domestic Patent References:
| JP2005102491A | 2005-04-14 | |||
| JP2004014294A | 2004-01-15 | |||
| JPH03103054A | 1991-04-30 | |||
| JPH077893A | 1995-01-10 | |||
| JPH087648A | 1996-01-12 | |||
| JPS6418296A | 1989-01-23 | |||
| JP2005050808A | 2005-02-24 | |||
| JP2009139263A | 2009-06-25 |
Attorney, Agent or Firm:
Tetsuo Hirose