Control assembly for a cyclically operating powered unit

Details Control assembly for a cyclically operating powered unit Control assembly for a cyclically operating powered unit

1977-01-24

1978-12-19

Rubinson, Gene Z.

Electricity: motive power systems

Braking

Automatic and/or with time-delay means

318327, H02P 500

Patent

active

041307852

ABSTRACT:
A cyclically operating electrically or hydraulically powered unit, is provided with a control assembly comprising a partially digital control loop formed by a sensor responsive to the powered unit for the production of pulses at a multiple of the frequency thereof, a reversible counter having a count-up input receiving a control signal and a count-down input receiving a signal derived from the sensor and a digital-to-analog converter connected to the reversible counter to detect it state and supply a control signal to the powered unit.

REFERENCES:
patent: 3331006 (1967-07-01), Strand et al.
patent: 3553551 (1971-01-01), Arnold
patent: 3634745 (1972-01-01), Agin
patent: 3753067 (1973-08-01), Milligan
patent: 3950682 (1976-04-01), Dohanich, Jr.
patent: 3974428 (1976-08-01), Hafle

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