Fuel injection apparatus for an internal combustion engine

Details Fuel injection apparatus for an internal combustion engine Fuel injection apparatus for an internal combustion engine

1984-09-14

1986-02-25

Moy, Magdalen Y. C.

Internal-combustion engines

Charge forming device

Fuel injection system

123457, F02M 3900

Patent

active

045721360

ABSTRACT:
A fuel injection apparatus for an internal combustion engine, which comprises an accumulator for storing therein pressurized fuel while maintaining the pressure thereof at a predetermined high level. A fuel injection valve is arranged to inject the pressurized fuel in the accumulator into a combustion chamber of the engine. The injection valve is controlled to open and close by an output signal from an external control unit. A pressurizing pump is arranged to pressurize the fuel delivered from a fuel-feed pump and to supply it into the accumulator through a check valve. A work controlling device is arranged to control the amount of the fuel supplied from the pressurizing pump through the check valve into the accumulator in accordance with the variation of the amount of the fuel in the accumulator so as to decrease the amount of the fuel supplied from the pressurizing pump through the check valve into the accumulator when the amount of the fuel in the accumulator is increased and to increase it when the amount of the fuel in the accumulator is decreased.

REFERENCES:
patent: 2986881 (1961-06-01), Moore
patent: 3557764 (1971-01-01), Knight
patent: 3827409 (1974-08-01), O'Neill
patent: 4275693 (1981-06-01), Leckie
patent: 4409939 (1983-10-01), Eheim et al.
patent: 4469069 (1984-09-01), Kuroyanagi et al.

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