Supplemental in-tank filter

Details Supplemental in-tank filter Supplemental in-tank filter

1993-12-14

1995-05-16

Argenbright, Tony M.

Internal-combustion engines

Charge forming device

With fuel pump

137113, F02M 3710, F02M 3900

Patent

active

054151465

ABSTRACT:
An in-tank module with an electrical fuel pump in a reservoir in a main fuel tank of a vehicle. A filter sock on the bottom of the tank has an outlet in direct communication with the main pump inlet so the pump can prime directly from fuel in the main tank. A secondary fuel outlet in the reservoir and in communication with the pump inlet, is controlled by a valve which opens the secondary fuel outlet when the main pump inlet is starved by reason of low fuel in the main tank. A filter element, above the secondary fuel outlet, filters fuel flowing from the reservoir to the pump outlet when the control valve is open.

REFERENCES:
patent: 4747388 (1988-05-01), Tuckey
patent: 4776315 (1988-10-01), Greiner
patent: 4807582 (1989-02-01), Tuckey
patent: 4831990 (1989-05-01), Tuckey
patent: 4869225 (1989-09-01), Nagata et al.
patent: 4964787 (1990-10-01), Hoover
patent: 4971017 (1990-11-01), Beakley et al.
patent: 4974570 (1990-12-01), Szwargulski et al.
patent: 5146901 (1992-09-01), Jones
patent: 5170764 (1992-12-01), Tuckey
patent: 5218942 (1993-06-01), Coha et al.
patent: 5237977 (1993-08-01), Tuckey

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