Fuel supply system for internal combustion engine and method of

Details Fuel supply system for internal combustion engine and method of Fuel supply system for internal combustion engine and method of

1996-06-21

1998-02-10

Moulis, Thomas N.

Internal-combustion engines

Charge forming device

With fuel pump

123478, F02M 3704

Patent

active

057157979

ABSTRACT:
A fuel supply system for an engine having no fuel return pipe is disclosed. In steps target fuel is set according to an engine operating state. Thereafter, a target current value to be supplied to the motor of a fuel pump according to the target fuel pressure is obtained. In the succeeding step, an actual motor current is detected and, then, the target current value and the detcted current are compared. Thereafter, the supply current is controlled by feedback based upon the difference obtained by comparison between the target current value and the detected current value to eliminate the difference.

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