Fuel pump pick-up system

Details Fuel pump pick-up system Fuel pump pick-up system

1991-12-23

1992-12-15

Miller, Carl S.

Internal-combustion engines

Charge forming device

With fuel pump

123514, 137571, F02M 3900

Patent

active

051707640

ABSTRACT:
A multiple pick-up for a fuel pump in a fuel tank which includes an in-tank pump with a combined filter and diaphragm to control flow of fuel to the pump inlet. A first pump base supports the pump and contains the diaphragm and valve for a primary fuel supply. A second valve base with a similar diaphragm controlled valve is located in the fuel tank at a position remote from the first base. A fuel connection between the bases provides a supply of fuel to the pump at the first base in the event the diaphragm, actuated by lack of fuel at the first base, closes a fuel inlet valve in the first base. Lack of fuel at the second base will also close the fuel inlet valve at the remote second base, and the lack of fuel supply will cause an engine to stop.

REFERENCES:
patent: 4672937 (1987-06-01), Fales
patent: 4834132 (1989-05-01), Sasak
patent: 4844704 (1989-07-01), Jiro
patent: 4860714 (1989-08-01), Bucci
patent: 4869225 (1989-09-01), Nagata
patent: 4971017 (1990-11-01), Beakley
patent: 4974570 (1990-12-01), Szwargulski
patent: 5018502 (1991-05-01), Humpl
patent: 5040516 (1991-08-01), Haraguchi
patent: 5046471 (1991-09-01), Schmid

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