Overfill prevention valve

Details Overfill prevention valve Overfill prevention valve

1994-11-18

1996-10-08

Rivell, John

Fluid handling

Systems

System with plural openings, one a gas vent or access opening

137595, 184 64, 1841031, 123196S, F01M 118

Patent

active

055621236

ABSTRACT:
An overfill prevention valve is provided in the fill line of a tank. The valve is arranged such that the valve is held at a closed position unless an overflow for the tank is open.

REFERENCES:
patent: 2617495 (1952-11-01), Johnson
patent: 2841170 (1958-07-01), Kalsey
patent: 4535797 (1985-08-01), Rosaen
patent: 4569196 (1986-02-01), Waddington et al.
patent: 4589524 (1986-05-01), Laycock
patent: 4883148 (1989-11-01), Welch
patent: 4895219 (1990-01-01), Welch et al.
patent: 4932446 (1990-06-01), Behling

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