Check valve assembly

Details Check valve assembly Check valve assembly

1988-08-15

1990-03-13

Nilson, Robert G.

Fluid handling

Control by change of position or inertia of system

137519, 13753319, F16K 1502

Patent

active

049076167

ABSTRACT:
A check valve for use in a vehicle engine fuel system comprising a fuel storage tank, a fuel feed line for delivering fuel from the tank to the engine, and a fuel return line for returning unused fuel from the engine to the tank. The valve is mounted on the return line in the fuel tank to be operable by a combination of flow-induced pressure reduction and fuel ram pressure to prevent reverse flow of the fuel through the return line in the event of reverse flow conditions.

REFERENCES:
patent: 516532 (1894-03-01), Hill
patent: 1693177 (1928-11-01), Hodgart
patent: 2528600 (1950-11-01), Lombard
patent: 3491790 (1970-01-01), Sanford
patent: 4023583 (1977-05-01), Parkinson

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