Environment and brushes for high-current rotating electrical mac

Details Environment and brushes for high-current rotating electrical mac Environment and brushes for high-current rotating electrical mac

1979-06-25

1981-07-07

Budd, Mark O.

Electrical generator or motor structure

Dynamoelectric

Rotary

310248, 310252, H02K 1300

Patent

active

042777089

ABSTRACT:
A high-current electrical machine, comprises a stationary and a moving member and at least one current collector brush disposed between the members and in frictional contact with one member; where the brush comprises a plurality of flexurally independent, metal fibers, and where a non-oxidizing gaseous medium containing water vapor, contacts the interface of frictional contact of the brush to provide a lubricating effect.

REFERENCES:
patent: 276233 (1883-04-01), Edison
patent: 345336 (1886-07-01), Thompson
patent: 2269614 (1942-01-01), Von Soden
patent: 3382387 (1968-05-01), Marshall
Electrical-Power Brushes for Dry Inert-Gas Atmospheres, by Johnson & McKinney, Proceedings of the Holm Seminar on Electric Contact Phenomena, Chicago, Ill., USA, Nov. 2-6, 1970, pp. 155-162.

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