Brush for an electric motor having low sensitivity to vibrations

Details Brush for an electric motor having low sensitivity to vibrations Brush for an electric motor having low sensitivity to vibrations

1993-05-03

1994-11-15

Skudy, R.

Electrical generator or motor structure

Dynamoelectric

Rotary

310249, 310253, H02K 1300

Patent

active

053651367

ABSTRACT:
Brush for electric motors obtained by compression of an electrically conductive powder containing one end of an electrical conductor so as simultaneously to allow the formation of the brush and the mechanical fixing of said electrical conductor, and characterized in that the density of at least a portion of the compressed powder in contact with the end of the immersed electrical conductor is higher than the mean density of the compressed powder so as to improve the strength of said mechanical fixing when said brush is subjected to vibrations.

REFERENCES:
patent: 938604 (1909-11-01), Miller
patent: 2375818 (1945-05-01), Peters
patent: 2631252 (1953-03-01), Falcettoni
patent: 2866112 (1958-12-01), Matz
patent: 3076908 (1963-02-01), Pfaender
patent: 3666688 (1972-05-01), McCafferty
patent: 4075524 (1978-02-01), Bradshaw
patent: 4579611 (1986-04-01), Broady
Handbook of Chemistry and Physics, Section B-79, Jun. 1972.
Derwent Publications Ltd., London, GB; & JP-A-62 283 582 (Hitachi Chemical KK) Dec. 9, 1987.

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