Fuel shut-off valve

Details Fuel shut-off valve Fuel shut-off valve

1989-04-25

1990-10-02

Nilson, Robert G.

Fluid handling

Control by change of position or inertia of system

180282, F16K 1736

Patent

active

049601458

ABSTRACT:
A valve for preventing the flow of fluid through a vehicle fuel delivery line after the vehicle experiences a sudden impact such as occasioned by a collision or other accident. An inertial member is operably coupled with a plug which is extendable to block a fluid passage in the valve. The inertial member is normally maintained in a seated position and prevents extension of the plug into the fluid passage. The inertial member is released from the seated position in response to a directional force of a predetermined magnitude. When the inertial member is released from the seated position, the plug is extended into the fluid passage by a spring to block fuel flow. The inertial member is non-responsive to a direction force exerted along at least one axis.

REFERENCES:
patent: 941033 (1909-11-01), Pardee
patent: 3807423 (1974-04-01), Engel
patent: 3994360 (1976-11-01), Leibold
patent: 4799505 (1989-01-01), Nowell

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