Switching circuit for high current brushes in a dynamoelectric m

Details Switching circuit for high current brushes in a dynamoelectric m Switching circuit for high current brushes in a dynamoelectric m

1979-10-25

1981-08-11

Skudy, R.

Electrical generator or motor structure

Dynamoelectric

Rotary

310 68D, 310148, 318439, H02K 2722

Patent

active

042836514

ABSTRACT:
A switching circuit electrically connected to a brush and collector bar of a DC dynamoelectric machine utilizing a high current rectifier and a source of electromotive source which produces a current in the circuit which is generally equal to the current flowing between the brush and the collector bar and which can be forced to zero as the brush separates from the collector bar to reduce degradation of the trailing edges of the brushes and collector bars and improve the machine efficiency.

REFERENCES:
patent: 263149 (1882-08-01), Edison
patent: 465855 (1891-12-01), Hicks
patent: 1949504 (1934-03-01), von Platen
patent: 3437897 (1969-04-01), Lenny
patent: 3453513 (1969-07-01), Bates
patent: 3906321 (1975-09-01), Salihi
patent: 3940644 (1976-02-01), Manz

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