Solenoid driver using single boost circuit

Details Solenoid driver using single boost circuit Solenoid driver using single boost circuit

1980-02-01

1982-05-04

Argenbright, Tony M.

Internal-combustion engines

Charge forming device

Fuel injection system

361155, 361191, H01H 4732

Patent

active

043276938

ABSTRACT:
A driver circuit for electronically actuating in a predetermined sequence, a plurality of solenoids (54). The driver circuit includes a single boost circuit (22) having an inductor (118) for receiving energy from a power supply and a capacitor (110) for storing a portion of this electrical energy prior to activation of a particular solenoid. The driver circuit further includes circuitry associated with each solenoid (40, 80, 82, 84) for energizing the solenoid by causing the capacitor (110) to discharge therethrough and to regenerate the stored voltage potential prior to the time for energizing another solenoid, The drive circuit further includes a current regular and mode control (70, 150, 170) to control the magnitude of current flowing through each solenoid.

REFERENCES:
patent: 3665901 (1972-05-01), Monpetit et al.
patent: 3882829 (1975-05-01), Sasaki
patent: 3889162 (1975-06-01), Myers
patent: 4173030 (1979-10-01), Rabe

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