Commutating machine with integral speed control

Details Commutating machine with integral speed control Commutating machine with integral speed control

1975-07-21

1977-05-24

Skudy, R.

Electrical generator or motor structure

Dynamoelectric

Rotary

310245, H02K 1100

Patent

active

040258084

ABSTRACT:
A motor or generator having a commutator and brushes for transfer of current to and from rotor windings has a stationary conducting sensor in sliding contact with the commutator, said sensor being narrower at its contact with the commutator than the insulation between the commutator bars where contacted by the sensor, so that a sensing circuit is interrupted between the sensor and one of the brushes at a frequency proportional to the speed of the rotor.

REFERENCES:
patent: 2478848 (1949-08-01), Sullivan
patent: 2481819 (1949-09-01), Brown
patent: 2814770 (1957-11-01), Tourtellot
patent: 2997559 (1961-08-01), Caton
patent: 3023488 (1962-03-01), Wellner
patent: 3683219 (1972-08-01), Kruse
patent: 3812391 (1974-05-01), Johnson
patent: 3867679 (1975-02-01), Smith

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