Method and device for open-loop control of a solenoid-valve regu

Details Method and device for open-loop control of a solenoid-valve regu Method and device for open-loop control of a solenoid-valve regu

1992-06-03

1993-03-30

Cross, E. Rollins

Internal-combustion engines

Charge forming device

With fuel pump

123500, F02M 3704

Patent

active

051974398

ABSTRACT:
A method and device for controlling a solenoid-valve-regulated fuel-metering system. Given the desired angular position of a fuel pump camshaft at the beginning of fuel delivery and the desired angular duration of fuel delivery, the method and device of the present invention, while accounting for the switching time of the solenoid valve, determines the trigger instant and shut-off instant for at least one solenoid valve. The present invention achieves more accurate and stable fuel-metering by treating the switching time of the solenoid valve as an angular quantity.

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