Fuel injection system

Details Fuel injection system Fuel injection system

1982-01-19

1984-04-03

Myhre, Charles J.

Internal-combustion engines

Charge forming device

Fuel injection system

123458, 123467, 123500, 239 88, 239585, F02M 5702, F02M 3900

Patent

active

044401329

ABSTRACT:
A fuel injection system has a fuel supply line which extends from a fuel reservoir to a fuel injector through a booster and is hydraulically isolated from a hydraulic circuit for operating the booster and a hydraulic circuit for operating a nozzle needle actuator, which is operatively associated with the fuel injector to control fuel injection. The two hydraulic circuits share a common source of hydraulic fluid supply which is independent of the fuel reservoir and adapted to actuate general hydraulic units. An electronically operated pressure control valve is controlled by a control unit to drive the booster with a hydraulic fluid pressure which varies in proportion to a varying engine load, i.e. full load, partial load and no load.

REFERENCES:
patent: 3908621 (1975-09-01), Hussey
patent: 4019481 (1977-04-01), Lakra
patent: 4069800 (1978-01-01), Kanda
patent: 4211202 (1980-07-01), Hafner
patent: 4249497 (1981-02-01), Eheim
patent: 4359032 (1982-11-01), Ohie
patent: 4364360 (1982-12-01), Eheim
patent: 4378775 (1983-04-01), Straubel

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