Capacitive brush construction for a dc machine

Details Capacitive brush construction for a dc machine Capacitive brush construction for a dc machine

H - Electricity

01

R

310/122, 310/41

H01R 11/00 (2006.01) H01R 39/46 (2006.01)

Patent

CA 1169463

Case 2595 CAPACITIVE BRUSH CONSTRUCTION FOR A DC MACHINE ABSTRACT OF THE DISCLOSURE A brush arrangement for use in a DC dynamo- electric machine to reduce the sparking which can occur at the trailing edge of a brush as it leaves a commutator segment. The main brush portion has affixed to the trailing side an auxiliary brush portion which is insulated from the main brush portion and from the brush holder. The auxiliary brush portion is normally much thinner than the main brush portion. A capacitor connects the main and auxiliary brush portions.

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