Carbon brush for motors and method of making the same

Details Carbon brush for motors and method of making the same Carbon brush for motors and method of making the same

1978-05-01

1980-09-02

Dixon, Jr., William R.

Electrical generator or motor structure

Dynamoelectric

Rotary

252503, 427114, 427123, 427294, 427433, 428408, H02K 1300, H01B 104, B05D 112, B32B 900

Patent

active

042208840

ABSTRACT:
A brush for an electric motor including a body of porous carbon impregnated with tin or alloys of tin with either lead, zinc, or silver and combinations thereof. The metal impregnated brush can be used in an electric motor which is operated while immersed in gasoline without substantial loss of the electrical and mechanical properties of the brush.

REFERENCES:
patent: 2174887 (1939-10-01), Kiefer
patent: 2530984 (1950-11-01), Moberly
patent: 2820728 (1958-01-01), Burns, Jr.
patent: 3049448 (1962-08-01), Millet
patent: 3165480 (1965-01-01), Churchill, Jr.
patent: 3436253 (1969-04-01), Kelsey et al.
patent: 3924025 (1975-12-01), Niemeyer et al.
patent: 3949804 (1976-04-01), Kaneko et al.
patent: 3956568 (1976-05-01), Kanemaru et al.
Kalb et al. "Carbon Brushes for Electrical Equipment" Union Carbide Monograph, Jul. 1966, pp. 16-20.
Shobert, "Carbon Brushes" Chemical Publishing Co., 1965, pp. 174-177.

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