Electronic fuel injector driver circuit

Details Electronic fuel injector driver circuit Electronic fuel injector driver circuit

F - Mech Eng,Light,Heat,Weapons

02

M

F02M 51/00 (2006.01) F02D 41/20 (2006.01) H01F 7/18 (2006.01) H01H 47/32 (2006.01)

Patent

CA 2122217

ABSTRACT OF THE DISCLOSURE An electronic fuel injector driver circuit for controlling electromagnetic fuel injector valves for an internal combustion engine includes a solenoid coil for at. least one electromagnetic fuel injector a one shot timer circuit for sending a predetermined timing signal, a first controller circuit interconnecting the one shot timer circuit and the solenoid coil for controlling the high side of the solenoid coil, a second controller circuit connected to the solenoid coil for controlling the low side of the solenoid coil in response to the predetermined timing signal, and a switchable voltage reference circuit connected to the second controller circuit for controlling current through the solenoid coil.

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