Fuel cutoff valve

Details Fuel cutoff valve Fuel cutoff valve

1989-10-16

1991-01-08

Cohan, Alan

Fluid handling

Diverse fluid containing pressure systems

Fluid separating traps or vents

13763014, F16K 3122

Patent

active

049827570

ABSTRACT:
The fuel cutoff valve is provided which includes a case member having an outlet opening leading to a canister, and a float member disposed within the case member. The float member is provided including a valve which has a first annular seal member sealing the periphery of the outlet opening and a second annular seal member having a smaller diameter than that of the outlet opening, and a float body vertically below the values. A through hole in formed in each seal member of the valve. When the liquid fuel flows into the case and the floats member float the first seal member seals the periphery of the outlet opening. After the liquid fuel returns to the fuel tank, the valve is first opened between the second seal member having smaller diameter and the float body. Then since the valve also falls, even if the diameter of the outlet opening is large, the fuel cutoff valve will open.

REFERENCES:
patent: 4209032 (1980-06-01), Drori
patent: 4342328 (1982-08-01), Matta
patent: 4694847 (1987-09-01), Szlaga
patent: 4735226 (1988-04-01), Szlaga
patent: 4781218 (1988-11-01), Mori

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