Vehicular fuel supplying apparatus

Details Vehicular fuel supplying apparatus Vehicular fuel supplying apparatus

1997-07-31

1999-11-23

Chambers, A. Michael

Fluid handling

Systems

Tank with internally extending flow guide, pipe or conduit

13756515, 123509, 123510, F02M 3704

Patent

active

059882131

ABSTRACT:
A vehicular fuel supplying apparatus comprising an in-tank type fuel pump mounted within the fuel tank from an opening in a bottom wall of a fuel tank. A fuel flowing out prevention valve 21 is connected between a discharge port 7a of a fuel pump 7 and a vehicle body side pipe 16 to an engine. A valve 25 seating on a seal surface and having a coil spring 28 is disposed within the fuel flowing out prevention valve 21 to provide a valve function, the valve opening pressure of the fuel flowing out prevention valve 21 from the side of the fuel pump is set to be greater than a total maximum value of a fuel head pressure inside of the fuel tank and an internal pressure of the fuel tank and is set smaller than a fuel discharge pressure at the fuel pump 7.

REFERENCES:
patent: 5195494 (1993-03-01), Tuckey
patent: 5623910 (1997-04-01), Riggle

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