Motor vehicle fuel tank with unitary fuel reservoir

Details Motor vehicle fuel tank with unitary fuel reservoir Motor vehicle fuel tank with unitary fuel reservoir

1986-10-10

1987-11-24

Cohan, Alan

Fluid handling

Systems

Plural tanks or compartments connected for serial flow

137576, 220 22, 264523, B65D 124, B29C 4900

Patent

active

047081708

ABSTRACT:
A motor vehicle fuel tank is disclosed, having a fluid pressure thermoformed tank wall comprising a bottom wall and opposed side walls unitary with and extending upwardly from the bottom wall. The fuel tank is characterized in that it has a fuel reservoir unitary with the tank wall and, specifically, formed by convolutions in the bottom wall of the tank. The fuel reservoir comprises two opposed substantially C-shaped ridges extending upwardly into the tank from the plane of the bottom wall, each such ridge extending from a corresponding one of the side walls toward the opposed side wall to a second end, diminishing in height to approximnately the plane of the bottom wall at such second end. The two C-shaped ridges cooperate to partially surround a portion of the surface area of the bottom wall of the fuel tank. A channel between each ridge and the end of the other ridge permits fuel to flow into the fuel reservoir even during low fuel conditions.

REFERENCES:
patent: 3020950 (1962-02-01), Schraivogel
patent: 3881457 (1975-05-01), Benner et al.
patent: 4096223 (1978-06-01), Krall
patent: 4178955 (1979-12-01), Dau
patent: 4179036 (1979-12-01), Pasini
patent: 4256690 (1981-03-01), Sabba
patent: 4305416 (1981-12-01), Henning et al.
patent: 4416303 (1983-11-01), Scheurenbrand
patent: 4453564 (1984-06-01), Bergesio

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