Is a
Patent attributes
Patent Jurisdiction
Patent Number
Date of Patent
January 8, 2013
Patent Application Number
13452691
Date Filed
April 20, 2012
Patent Citations Received
Patent Primary Examiner
Patent abstract
Systems and methods of operating an engine, the engine including an injector configured to directly inject fuel into an engine cylinder. One example method comprises, during an engine cold start, performing compression direct fuel injection, and retarding a timing of the compression injection as a fuel alcohol content of the fuel increases.
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