Fluid handling – Systems – Plural tanks or compartments connected for serial flow
Patent
1996-03-28
2000-01-25
Ferensic, Denise L.
Fluid handling
Systems
Plural tanks or compartments connected for serial flow
137102, 137109, 137576, 1375992, E03B 1100
Patent
active
06016834&
ABSTRACT:
A dual tank storage system for fuel having gaseous and liquid phases where one tank is a main storage tank and the other is an expansion tank. The system has a valve assembly on the exterior of the system for permitting fuel to flow from the main storage tank to the expansion tank in order to relieve pressure in the main storage tank. The valve assembly permits only the main storage tank to be filled. The fact that fuel can flow from the main storage compartment to the expansion compartment to relieve pressure from the main storage compartment allows the main storage tank to be filled to 100% capacity. The valve assembly includes a valve chamber and a valve plunger movable in the chamber between a normal operating position and a tank filling position. A coil spring biases the plunger towards the normal operating position. A filling port for fuel leads to the valve chamber which opens into a port of the storage tank. Fuel is drawn only from the expansion tank. The system may include a back pressure relief valve which allows fuel that is trapped in the lines and fittings between the tank shut off valve and the fuel lock-off to flow back into the tank when a maximum pressure is reached in the line between the tank shut-off valve and the fuel lock-off.
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Ferensic Denise L.
Kim Joanne
LandOfFree
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