Fuel pumping apparatus

Details Fuel pumping apparatus Fuel pumping apparatus

1990-10-15

1992-06-09

Argenbright, Tony M.

Internal-combustion engines

Charge forming device

Fuel injection system

123450, 123506, F02M 4100, F02M 3704

Patent

active

051197863

ABSTRACT:
A rotary distributor fuel injection pumping apparatus has a pumping plunger actuatable by a cam to deliver fuel through a fuel delivery circuit, to an engine. The quantity of fuel supplied is determined by a spill valve which is actuated by a fluid control circuit including an auxiliary plunger also operated by the cam. A shuttle is movable by fuel displaced by the auxiliary plunger until it is brought to rest and the pressure increase actuates the spill valve. A valve is provided which connects the control circuit and the fuel delivery circuit during the initial movement of the shuttle.

REFERENCES:
patent: 2810376 (1957-10-01), Aldinger
patent: 4401084 (1983-08-01), Jarrett et al.
patent: 4530337 (1985-07-01), Laufer
patent: 4696271 (1987-09-01), LeBlanc
patent: 4896645 (1990-01-01), Potter
patent: 4969442 (1990-11-01), Taue et al.

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