Injector driver control unit with internal overvoltage protectio

Details Injector driver control unit with internal overvoltage protectio Injector driver control unit with internal overvoltage protectio

1985-08-05

1986-10-21

Gellner, Michael L.

Electricity: electrical systems and devices

Control circuits for electromagnetic devices

For relays or solenoids

123490, F02D 4130, H01H 4732

Patent

active

046189084

ABSTRACT:
An injector driver control unit with internal overvoltage protection. The device includes a first overvoltage sense unit (18) and an injector drive inhibit unit (21) for diverting injector drive signals from an injector drive unit (14) and for diverting flyback energy from a flyback control unit (16). The device also includes a second overvoltage sense unit (19) that can control a clamp control unit (22) to thereby activate an energy clamp (23) to control voltage potential across the injector solenoid (12).

REFERENCES:
patent: 4417201 (1983-11-01), Reddy
patent: 4511945 (1985-04-01), Nielsen

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