Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Joseph Norman Ulrey0
Ross Dykstra Pursifull0
Date of Patent
January 5, 2010
0Patent Application Number
120214980
Date Filed
January 29, 2008
0Patent Primary Examiner
Patent abstract
An economical method for controlling a lift pump operating as part of a direct injection fuel system is described. According to the method, the lift pump is operated at efficient operating conditions and then stopped until additional fuel is requested.
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