Fuel supply device for fuel returnless system

Details Fuel supply device for fuel returnless system Fuel supply device for fuel returnless system

2007-05-01

2007-05-01

Moulis, Thomas (Department: 3747)

Internal-combustion engines

Charge forming device

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

C123S514000, C123S519000

Reexamination Certificate

active

11151659

ABSTRACT:
A fuel supply device for a fuel returnless system is disposed in a fuel tank and includes: a fuel pump that draws, pressurizes, and discharges fuel in the fuel tank; a pressure regulating valve that regulates the pressure of the pressurized fuel and drains a surplus of the pressurized fuel into the fuel tank; an intake filter that removes foreign matters contained in fuel drawn into the fuel pump; and a pressurized fuel return passage through which a part of the pressurized fuel is returned to a fuel intake passage extending from an interior of the intake filter to a pump intake port of the fuel pump.

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