Title:
ELECTRIC CONTACT MEMBER, BRUSH, AND ROTATOR
Document Type and Number:
WIPO Patent Application WO/2022/234764
Kind Code:
A1
Abstract:
An electric contact member (1) has a contact surface (11) for facing an counterpart member. The electric contact member (1) includes: carbon particles (12); copper particles (13); and a low ionization-potential metal (14) having a lower ionization potential than copper. A brush (10) comprises the electric contact member (1). A rotator (2) comprises the brush (10). In a scanning electron microscope image of the contact surface (11) of the electric contact member (1), the low ionization-potential metal (14) is preferably provided within a circle (3) having a diameter of 50 μm, regardless of where the circle (3) is disposed on the scanning electron microscope image.
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Inventors:
ADACHI YOSHIHIRO (JP)
NOZU TAKAHIRO (JP)
SEKIKAWA JUNYA (JP)
NOZU TAKAHIRO (JP)
SEKIKAWA JUNYA (JP)
Application Number:
PCT/JP2022/017492
Publication Date:
November 10, 2022
Filing Date:
April 11, 2022
Export Citation:
Assignee:
DENSO CORP (JP)
UNIV SHIZUOKA NAT UNIV CORP (JP)
UNIV SHIZUOKA NAT UNIV CORP (JP)
International Classes:
H02K13/00; H01R4/58; H01R39/20
Foreign References:
| JP2015088306A | 2015-05-07 | |||
| JP2021009788A | 2021-01-28 | |||
| JP2002369454A | 2002-12-20 | |||
| JP2001327127A | 2001-11-22 | |||
| JP2006164900A | 2006-06-22 |
Attorney, Agent or Firm:
AICHI, TAKAHASHI, IWAKURA & ASSOCIATES (JP)
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