In-tank fuel reservoir with reservoir fuel level control

Details In-tank fuel reservoir with reservoir fuel level control In-tank fuel reservoir with reservoir fuel level control

1989-02-24

1990-01-16

Hepperle, Stephen M.

Fluid handling

Line condition change responsive valves

Bi-directional flow valves

123514, 137572, 137576, F16K 1719, F02M 3710

Patent

active

048936472

ABSTRACT:
A fuel delivery system for automobile engine and like applications in which a canister is positioned within a fuel tank and has an open layer end and an internal wall spaced from the lower canister end for dividing the canister into upper and lower chambers. An electric fuel pump is carried by the canister wall within the upper chamber and has an inlet coupled through the wall to the lower chamber. The pump outlet feeds fuel under pressure to an engine, and excess fuel is returned to the upper chamber which thus forms a fuel reservoir. A valve is responsive to fuel level in the upper chamber for selectively feeding fuel from the upper reservoir chamber to the lower chamber, and then to the pump inlet, when fuel level in the upper chamber approaches maximum reservoir capacity.

REFERENCES:
patent: 3189042 (1965-06-01), Kerley et al.
patent: 4279232 (1981-06-01), Schuster et al.
patent: 4546750 (1985-10-01), Brunell et al.
patent: 4672937 (1987-06-01), Fales et al.
patent: 4807585 (1989-02-01), Tuckey

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