Fuel pumping system and method

Details Fuel pumping system and method Fuel pumping system and method

2005-12-13

2005-12-13

Lo, Weilun (Department: 3747)

Internal-combustion engines

Charge forming device

With fuel pump

C123S456000, C123S457000

Reexamination Certificate

active

06973921

ABSTRACT:
A fuel pumping system that includes a pump drive is provided. A first pumping element is operatively connected to the pump drive and is operable to generate a first flow of pressurized fuel. A second pumping element is operatively connected to the pump drive and is operable to generate a second flow of pressurized fuel. A first solenoid is operatively connected to the first pumping element and is operable to vary at least one of a fuel pressure and a fuel flow rate of the first flow of pressurized fuel. A second solenoid is operatively connected to the second pumping element and is operable to vary at least one of a fuel pressure and a fuel flow rate of the second flow of pressurized fuel.

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patent: 6253735 (2001-07-01), Miyajima

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