Fuel supply device for vehicles

Details Fuel supply device for vehicles Fuel supply device for vehicles

1988-10-25

1989-09-26

Miller, Carl S.

Internal-combustion engines

Charge forming device

With fuel pump

123514, 123516, 137592, F02M 2900

Patent

active

048692255

ABSTRACT:
In a fuel supply device for vehicles, a sub-tank is arranged within a fuel tank. At least one intake port is provided in a bottom wall of the sub-tank. A check valve is arranged at the intake port. A fuel pump is arranged within the sub-tank to supply fuel from the sub-tank to an engine. A fuel return pipe is provided through which a part of the fuel supplied through the fuel supply pipe is returned into the sub-tank. A jet pump is connected to the fuel return pipe so as to deliver the fuel within the fuel tank into the sub-tank through at least one suction port of the jet pump by using fluid energy of the fuel returned into the sub-tank. A pipe is connected to a fuel discharge port of the jet pump, and extends to an upper location within the sub-tank. The jet pump is constituted by a groove forming a flat fluid control device arranged between the fuel pump and the bottom wall of the sub-tank. The groove is formed therein with the fuel suction port and the fuel discharge port of the jet pump.

REFERENCES:
patent: 2785546 (1957-03-01), Bauerlein
patent: 2953156 (1960-09-01), Bryant
patent: 3049171 (1962-08-01), Neuerburg
patent: 4010768 (1977-03-01), Hechler
patent: 4340023 (1982-07-01), Greager
patent: 4397333 (1983-08-01), Liba et al.
patent: 4503885 (1985-03-01), Hall
patent: 4672937 (1987-06-01), Fales
patent: 4694857 (1987-09-01), Harris
patent: 4706707 (1987-11-01), Betterton
patent: 4750522 (1988-06-01), Griffin
patent: 4776315 (1988-10-01), Greiner

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