Motor speed control circuit

Details Motor speed control circuit Motor speed control circuit

1975-03-21

1977-03-08

Rubinson, Gene Z.

Electricity: motive power systems

Braking

Automatic and/or with time-delay means

318341, 318345R, H02P 500

Patent

active

040114910

ABSTRACT:
A speed-controlling circuit for controlling the rotational speed of a D.C. electric motor in which the electric current is supplied to the D.C. motor through a switching circuit which is periodically open for a predetermined fixed time interval. The switching circuit is controlled by electrical pulses having a repetition rate which varies in dependence upon the rotational speed of the motor, whereby to periodically interrupt the supply of current to the motor. SP

REFERENCES:
patent: 3407345 (1968-10-01), Fruehauf et al.
patent: 3596162 (1971-07-01), Takayama
patent: 3812410 (1974-05-01), Schaub et al.

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