Copper-steel composite commutator bar

Details Copper-steel composite commutator bar Copper-steel composite commutator bar

1980-02-19

1982-06-08

Skudy, R.

Electrical generator or motor structure

Dynamoelectric

Rotary

29597, H02K 1310

Patent

active

043341659

ABSTRACT:
An electrical commutator having a plurality of spaced apart commutator bars is disclosed. The commutator bars are formed from a composite of an electrically conductive copper portion bonded, for example by brazing or electron beam welding, at an interface to a steel body which is geometrically designed to reduce the bending and longitudinal stiffness of the body, whereby the shear stress at the interface is reduced during operation.

REFERENCES:
patent: 3478421 (1969-11-01), Preece
patent: 3538365 (1970-11-01), Reisnecker
patent: 3705997 (1972-12-01), Bauerle

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