Non-spill liquid fuel tanks

Details Non-spill liquid fuel tanks Non-spill liquid fuel tanks

1983-03-28

1985-01-08

Nilson, Robert G.

Fluid handling

Control by change of position or inertia of system

137 43, 137587, 220 85S, B65D 2500, F16K 1736, F16K 2404

Patent

active

044922442

ABSTRACT:
A liquid fuel tank for a vehicle is provided with a fuel outlet duct in a circuit about the base of the tank and fuel outlet duct vents connected to the outlet duct and extending above the highest part of the tank. During normal operation of the tank, a non-return air vent allows the flow of fuel from the outlet duct. In the event of an accident, or some other occurrence which results in the tank being tilted, further fuel flow from the outlet duct is cut off by air drawn into the fuel outlet duct from the outlet duct vents. The angle through which the tank must be tilted to allow air from the outlet duct vents to be drawn into the outlet duct may be predetermined by the extent of the circuit about the base of the tank of the outlet duct. Such a non-spill fuel tank, which is self contained in operation, is suitable for use in on-road and off-road wheeled and tracked vehicles, hovercraft, and aircraft which are in danger of being blown over when on the ground.

REFERENCES:
patent: 4393980 (1983-07-01), Armour

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