Fuel pump assembly for vehicle

Details Fuel pump assembly for vehicle Fuel pump assembly for vehicle

2006-07-18

2006-07-18

Moulis, Thomas (Department: 3747)

Internal-combustion engines

Charge forming device

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

C123S509000

Reexamination Certificate

active

07077109

ABSTRACT:
A fuel pump assembly mounted in a fuel tank for sending fuel to a fuel injector includes a driving means for supplying a driving force for sending or returning fuel, a reservoir for temporarily reserving fuel from the fuel tank through a check valve mounted on a bottom portion thereof, a first fuel suction device for drawing fuel reserved in the reservoir, a return pipe for returning fuel from the fuel injector to the reservoir, a second fuel suction device for drawing fuel stored in the fuel tank, and a Z-nozzle portion of which an outlet is connected to a bottom portion of the reservoir. The second fuel suction device and return pipe are connected to an inlet of the Z-nozzle portion.

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