Brush protection in an electric motor

Details Brush protection in an electric motor Brush protection in an electric motor

1991-05-14

1992-08-11

Skudy, R.

Electrical generator or motor structure

Dynamoelectric

Rotary

310 71, 310 89, 310 91, 310242, H02K 1300

Patent

active

051382121

ABSTRACT:
Brush gear for an electric motor includes stops 19 which prevent the brush leaves 18 from moving too close to the commutator when brushes 18A wear down. The stops 19 are separately formed and supported in grooves 20 in an end cap 16 and secured in position by lipped ends of electrical terminals 21. The stops 19 are preferably formed of metal.

REFERENCES:
patent: 4037125 (1977-07-01), Aoki
patent: 4698540 (1987-10-01), McKee
patent: 4851729 (1989-07-01), Baines
patent: 4883998 (1989-11-01), Lau
patent: 4893043 (1990-01-01), Baines
patent: 5015896 (1991-05-01), Wong
patent: 5034640 (1991-07-01), Shimizu

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