Fuel injection system with correction for incidental system vari

Details Fuel injection system with correction for incidental system vari Fuel injection system with correction for incidental system vari

1978-01-26

1980-02-26

Cox, Ronald B.

Internal-combustion engines

Noncompression

361139, F02B 300

Patent

active

041900227

ABSTRACT:
A fuel injection system employs injectors having energizing coils and means for generating an actuating pulse to the injector. The system includes a correction means for applying a correction to the injector actuaing pulse to correct for the effect of at least one incidental system variable on the effective response of the injector to the actuating pulse. The incidental system variables are: the impedance of the energizng coil, the specific resistance of the wire used in the coil and the voltage supply in the fuel injection system. The correction means may be a constant current source drivng an output transistor biased to operate in a proportional conduction region.

REFERENCES:
patent: 3114872 (1963-12-01), Allard
patent: 3243665 (1966-03-01), Fayer
patent: 3246233 (1966-04-01), Herz
patent: 3293505 (1966-12-01), Miller
patent: 3700985 (1972-10-01), Applequist
patent: 3740615 (1973-06-01), Vibini
patent: 3786344 (1974-01-01), Davis

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