Switch control system

Details Switch control system Switch control system

1976-11-03

1978-07-18

Duggan, Donovan F.

Electricity: motive power systems

Reciprocating or oscillating motor

Energizing winding circuit control

318128, 318132, 363 28, H02K 3300

Patent

active

041018168

ABSTRACT:
A switch control system particularly well suited for use in a electromechanical vibrator drive. Solid-state switches and diodes are used in combination with a DC power supply to alternately switch energy between the electric field of the power supply filter capacitor and the magnetic field of the actuator coil of a vibrator in a power resonant mode. The control system includes a variable frequency oscillator and a controllable pulse generator which respectively provide signals for controlling the closing and opening of the switches whereby the frequency and amplitude of movement of a vibratory feeder may be adjusted.

REFERENCES:
patent: 2892140 (1959-06-01), Praeg
patent: 3122690 (1964-02-01), Dion et al.
patent: 3147419 (1964-09-01), Cope
patent: 3163808 (1964-12-01), Peterson, Jr.
patent: 3316470 (1967-04-01), Scott
patent: 3331239 (1967-07-01), Larsen et al.
patent: 3649893 (1972-03-01), Lajoie
patent: 3787715 (1974-01-01), Eaton, Jr.
patent: 3947746 (1976-03-01), Heinicke

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