Fuel injection pump

Details Fuel injection pump Fuel injection pump

1980-07-09

1983-04-26

Freeh, William L.

Pumps

Including separate port on noncyclic valve for venting or...

417462, F04B 3900, F04B 2708, F04B 1922

Patent

active

043811825

ABSTRACT:
A fuel injection pump of the rotary distributor type has a main pumping chamber including a bore in which is located a plunger and an auxiliary pumping chamber including a further bore and a further plunger. Speed responsive valve means is provided which connects the two bores together for starting purposes. In order to permit air to escape from the bores a spill passage is connected by a passage to the further bore and the spill passage is brought into communication with a spill port while fuel is being supplied to the bores.

REFERENCES:
patent: 2819678 (1958-01-01), Nordell et al.
patent: 3936244 (1976-02-01), Drori
patent: 4310291 (1982-01-01), Green et al.

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