Safety roll over valve

Details Safety roll over valve Safety roll over valve

1975-11-17

1976-12-14

Nilson, Robert G.

Fluid handling

Control by change of position or inertia of system

Vent opening or closing on tipping container

F16K 1736

Patent

active

039969517

ABSTRACT:
A valve of a type used for preventing fuel line leaks which occur when automobiles or trucks roll over. The valve is used in conjunction with a vehicle fuel system, preferably in a vapor vent line which vents fuel vapors from the fuel tank, so that if the vehicle rolls over or tilts in one direction by more than a predetermined amount, the valve will close. A ball disposed in a conical recess within the valve body serves as a gravity actuator for a reciprocating valve member. A novel structure of a valve member of a particular configuration in combination with the novel configuration of the interior of the valve housing allows the valve member to be self-cleaning due to vibrations caused by vehicular travel; and yet, the valve provides a positive sealing function upon tipping or tilting thereof by a predetermined amount or more.

REFERENCES:
patent: 1683338 (1928-09-01), Evinrude
patent: 2676708 (1954-04-01), Risk
patent: 3910302 (1975-10-01), Sudhir

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