Reserve fuel tank system

Details Reserve fuel tank system Reserve fuel tank system

1977-12-30

1980-02-19

Cohan, Alan

Fluid handling

Plural tanks or compartments with parallel flow

Tank within tank

137265, F23K 500

Patent

active

041889690

ABSTRACT:
A fuel tank having an upper compartment has a lower compartment separated from the upper compartment by means of a dividing member. The dividing member is sealably attached to the side walls of the fuel tank and has a small opening substantially centrally located therein. A first fuel tube extends through the top of the fuel tank into the upper compartment to a level near the bottom of the upper compartment. A second fuel tube also extends through the top of the fuel tank and through the opening in the dividing member to a level near the bottom of the lower compartment. A solenoid-activated valve is coupled to the first and second fuel tubes externally of the fuel tank. The selector valve is connected by means of a third tube to a fuel pump which pumps fuel from a selected one of upper and lower compartments to an engine. The selector valve is initially switched to select the upper compartments. When the upper compartment is emptied, the selector valve is switched over to the lower compartment, which serves as a reserve tank.

REFERENCES:
patent: 1157643 (1914-06-01), Kuhn
patent: 2840147 (1958-06-01), Almested

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