Fuel feed apparatus having fuel pump

Details Fuel feed apparatus having fuel pump Fuel feed apparatus having fuel pump

2008-01-08

2008-01-08

Gimie, Mahmoud (Department: 3747)

Internal-combustion engines

Charge forming device

With fuel pump

C137S565220

Reexamination Certificate

active

11714118

ABSTRACT:
A fuel feed apparatus includes a fuel pump for pumping fuel from a fuel tank to an internal combustion engine. A pressure-control valve controls pressure of fuel, which is discharged from the fuel pump, to be equal to or less than a first pressure. A jet pump generates suction pressure by jetting fuel, which is discharged from the fuel pump, partially through a nozzle. A pressure-retention valve is provided in an upstream of the jet pump with respect to fuel flow from the fuel pump for maintaining pressure of fuel in the upstream at a second pressure, which is less than the first pressure. A pump bracket holds the fuel pump. The pressure-control valve and the pressure-retention valve are connected to the pump bracket.

REFERENCES:
patent: 5082426 (1992-01-01), Sasaki et al.
patent: 6513503 (2003-02-01), Iwamoto et al.
patent: 6832602 (2004-12-01), Tanimura
patent: 7066153 (2006-06-01), Vitalis et al.
patent: 2004-197718 (2004-07-01), None

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