Brush assembly for electric motor

Details Brush assembly for electric motor Brush assembly for electric motor

1996-05-16

1998-07-14

Dougherty, Thomas M.

Electrical generator or motor structure

Dynamoelectric

Rotary

310244, 310248, 310251, H02K 1310

Patent

active

057809526

ABSTRACT:
A brush assembly for an electric motor comprises a brush for making sliding contact with a commutator, the brush being fitted to an end of an elongate resilient electrically conductive brush arm fixed to a brush mounting plate. The brush and brush arm are arranged to ensure that the brush contacts the commutator at a single point in the vicinity of a side face of the brush so that the resilient urgings of the brush arm causing the brush to bear on the commutator surface creates a lateral twist in the elongate brush arm.

REFERENCES:
patent: 2991379 (1961-07-01), Van Dam
patent: 3691542 (1972-09-01), Gabor
patent: 4152614 (1979-05-01), Noguchi et al.
patent: 4746829 (1988-05-01), Strobl
patent: 4983873 (1991-01-01), Tanaka et al.
patent: 5019741 (1991-05-01), Fukui et al.
patent: 5485049 (1996-01-01), Shannon et al.

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