Constant speed regulator for DC motor

Details Constant speed regulator for DC motor Constant speed regulator for DC motor

1974-08-29

1976-07-20

Rubinson, Gene Z.

Electricity: motive power systems

Braking

Automatic and/or with time-delay means

318327, H02P 516

Patent

active

039709094

ABSTRACT:
In a constant speed regulator for a DC motor of the type in which the output of a generator mechanically coupled to a DC motor is converted into a square waveform output whose pulse duration or width is constant but whose duty cycle varies in response to the rotational speed of the DC motor, and the square waveform output is integrated so that the rotational speed of the DC motor may be controlled in response to the integrated output, an improvement comprising a series-circuit of a capacitor and a resistor connected between the output terminal of an integrator and the DC motor and a constant voltage circuit or a constant voltage regulating circuit shunting a DC power source, thereby eliminating the ripple component in the output of the integrator.

REFERENCES:
patent: 3596162 (1971-07-01), Takayama
patent: 3629677 (1971-12-01), Means
patent: 3783360 (1974-01-01), Bundy
patent: 3843913 (1974-10-01), Schaub et al.

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