Electrical commutators and slip-rings

Details Electrical commutators and slip-rings Electrical commutators and slip-rings

1975-01-08

1977-04-19

Skudy, R.

Electrical generator or motor structure

Dynamoelectric

Rotary

310232, H02K 1304

Patent

active

040190765

ABSTRACT:
A commutator or slip-ring has a contact face formed of at least two dissimilar electrically conductive materials which have different values of electrical resistance. The two materials each occupy different discrete areas with a brush bearing on both areas simultaneously.
According to a further feature a commutator comprises pairs of segments of alternately high resistance and low resistance mounted in a machine which is arranged to rotate so that brushes bear firstly on a low resistance segment and then on a high resistance segment.

REFERENCES:
patent: 2297521 (1942-09-01), Zadnik
patent: 2306028 (1942-12-01), Conradty
patent: 2672564 (1954-03-01), Krasno
patent: 2758229 (1956-08-01), Perry
patent: 3657584 (1972-04-01), Vartanian

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