Is a
Patent attributes
Patent Jurisdiction
Patent Number
Date of Patent
March 2, 2010
Patent Application Number
12235979
Date Filed
September 23, 2008
Patent Primary Examiner
Patent abstract
A fuel injection priming system includes a fuel supply line connected to a fuel supply rail. A plurality of piezoelectric fuel injectors are connected to the fuel supply rail. An injector return fuel line is connected to the fuel injectors and in communication with a fuel supply line via a diverter device to allow high pressure fuel from the fuel supply line to pressurize the injector return fuel line to backfill the injectors during a priming operation. A one-way valve is in communication with the diverter device to manage the pressurized fuel provided to the plurality of fuel injectors during the priming operation and to allow fuel to pass to the fuel tank during normal operation.
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