Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Scott F. Shafer0
Lifeng Wang0
Date of Patent
December 19, 2006
0Patent Application Number
112013010
Date Filed
August 11, 2005
0Patent Primary Examiner
Patent 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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