Method and system for fuel injection timing

Details Method and system for fuel injection timing Method and system for fuel injection timing

1982-12-07

1984-10-16

Moy, Magdalen Y. C.

Internal-combustion engines

Charge forming device

With fuel pump

123501, F02M 5920

Patent

active

044768370

ABSTRACT:
A fuel pump timing system having a hydraulic pressure transducer mounted for sensing a reaction hydraulic pulse to each fuel injection pressure pulse, a stepper motor for adjusting the fuel injection pump timing, engine sensors for sensing an engine reference position and certain engine operation data and a microprocessor connected to the transducer and engine sensors and operable for calculating the optimum and actual angles of fuel injection and for controlling the stepper motor to adjust the fuel injection pump timing in accordance with the difference between the optimum and actual angles of fuel injection.

REFERENCES:
patent: 3511088 (1970-05-01), Weaver
patent: 3731527 (1973-05-01), Weaver
patent: 4033310 (1977-07-01), Nicolls
patent: 4224916 (1980-09-01), Davis
patent: 4329961 (1982-05-01), Johnston

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