Metal-graphite brush

Details Metal-graphite brush Metal-graphite brush

2005-09-27

2005-09-27

Schuberg, Darren (Department: 2834)

Electrical generator or motor structure

Dynamoelectric

Rotary

C310S252000, C310S253000, C310S248000

Reexamination Certificate

active

06949863

ABSTRACT:
A metal-graphite brush comprises a brush body which is made by mixing and molding metal powder and graphite powder. 2 mg to 30 mg as amounts of phosphate ion of at least one of phosphoric acid and a phosphate compound is added to 1 g of the brush body of the metal-graphite brush.

REFERENCES:
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patent: 4579611 (1986-04-01), Broady
patent: 6245440 (2001-06-01), Kuhlmann-Wilsdorf et al.
patent: 6700292 (2004-03-01), Otani et al.
patent: 6755882 (2004-06-01), Otani et al.
patent: 6758881 (2004-07-01), Otani et al.
patent: 823964 (1959-11-01), None
patent: 63-143770 (1988-06-01), None
patent: 2001-412962 (2004-04-01), None

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