Automotive fuel system

Details Automotive fuel system Automotive fuel system

1992-02-10

1993-02-16

Miller, Carl S.

Internal-combustion engines

Charge forming device

Fuel flow regulation between the pump and the charge-forming...

123510, 123516, 137576, 137448, F02M 3704, F16K 3118

Patent

active

051861526

ABSTRACT:
An automotive fuel system including a reservoir in a fuel tank of the vehicle and a fuel pump in the reservoir. Surplus fuel from a fuel injection system is returned to and confined in the reservoir. An inside screen is disposed between an inlet of the fuel pump and an inlet port from the fuel tank into the reservoir. The inside screen has a porous wall permeable to liquid fuel and impermeable to vapor when partially submerged in liquid fuel. An outside screen surrounds the inlet port in the fuel tank and has a porous wall permeable to liquid fuel and impermeable to vapor when partially submerged in liquid fuel. The porous wall of the inside and outside screens cooperate in sustaining suction at the fuel pump inlet when the reservoir is depleted.

REFERENCES:
patent: 4279232 (1981-07-01), Schuster
patent: 4672937 (1987-06-01), Fales
patent: 4922959 (1990-05-01), Sasaki
patent: 4926829 (1990-05-01), Tuckey
patent: 5058741 (1991-08-01), Tuckey
patent: 5080077 (1992-01-01), Sawert

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