Commutator for an electric machine

Details Commutator for an electric machine Commutator for an electric machine

1988-08-12

1989-07-25

Salce, Patrick R.

Electrical generator or motor structure

Dynamoelectric

Rotary

310219, H02K 1310

Patent

active

048517283

ABSTRACT:
A commutator for an electric machine with reciprocally insulated metal segments is described. At least one groove is made in the segments in the circumferential direction of the commutator and receives an insert formed from a precious metal or electrographite part. The axial width of the inserts only takes up part of the commutator contact surface. Alternatively two inserts are juxtaposed in each segment.

REFERENCES:
patent: 257566 (1882-05-01), Eddy
patent: 258022 (1882-05-01), Cooley
patent: 448040 (1891-03-01), Hornberger
patent: 520264 (1894-05-01), Hoffman
patent: 866262 (1907-09-01), Coleman
patent: 2037457 (1936-04-01), Colson
patent: 3911303 (1975-10-01), Hu et al.
patent: 4283841 (1981-08-01), Kamiyama
patent: 4399383 (1983-08-01), Kamiyama

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