Fuel pumping apparatus

Details Fuel pumping apparatus Fuel pumping apparatus

1990-06-01

1991-09-03

Smith, Leonard E.

Pumps

Expansible chamber type

Moving cylinder

417440, 123447, 123450, 123506, F04B 2900, F04B 2300, F02M 3704

Patent

active

050448994

ABSTRACT:
A fuel pumping apparatus of the rotary distributor type is provided with a spill control muff on the distributor member and which controls flow of fuel from a bore containing the pumping plungers to a chamber. Slidable in the chamber is a spring loaded piston formed with a valve element which controls flow of fuel from the bore into the chamber through a spill passage. With the spill passage closed by the valve element deliver of fuel through an outlet takes place until fuel is admitted to the chamber under the control of the spill muff. The admission of fuel causing the piston to move the valve element to allow fuel into the spill passage through the spill passage.

REFERENCES:
patent: 4224903 (1980-09-01), Mowbray
patent: 4393844 (1983-07-01), Skinner
patent: 4764092 (1988-08-01), Thornthwaite
patent: 4920940 (1990-05-01), Harris
patent: 4936755 (1990-06-01), Greeves

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