Fuel supply system

Details Fuel supply system Fuel supply system

1995-05-22

1997-08-26

Oberleitner, Robert J.

Fluid sprinkling, spraying, and diffusing

With system fluid relief or return to supply

2395339, B05B 900

Patent

active

056603312

ABSTRACT:
An engine fuel system includes an accumulator chamber in which fuel is stored at high pressure and a three way valve having two settings in the first of which when a valve actuator is energised fuel flows from the accumulator chamber to a fuel injection nozzle and in the second of which when the actuator is de-energised fuel flows from the supply line of the nozzle to a drain. The valve includes a valve member directly coupled to the actuator and controlling the flow of fuel from the accumulator chamber to the nozzle, and a valve element which is resiliently coupled to the valve member and controls the flow of fuel from the line to the drain. The valve member and valve element cooperate with respective seatings and when the actuator is de-energised the valve element can move away from its seating against the action of the resilient coupling to allow a rapid reduction of fuel pressure in the line.

REFERENCES:
patent: 4211202 (1980-07-01), Hafner
patent: 5531382 (1996-07-01), Buckley

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