The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Date of Patent:
Sep. 12, 2006

Filed:

Aug. 23, 2005
Applicant:

Hiroshi Kobayashi, Kariya, JP;

Inventor:

Hiroshi Kobayashi, Kariya, JP;

Assignee:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H02K 13/00 (2006.01); H01R 39/20 (2006.01); C10M 125/02 (2006.01); C04B 35/52 (2006.01);
U.S. Cl.
CPC ...
Abstract

A metal-graphite brush for supplying electricity to a coil wound around a core provided at a rotor of a motor is made of sintered material having porosities at a surface and inside thereof, and the porosities is infiltrated with a conductive liquid having a boiling point higher than that of water.


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