Fuel-based injection control
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United States of America Patent
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Jan 8, 2013
Grant Date -
Aug 9, 2012
app pub date -
Apr 20, 2012
filing date -
May 22, 2009
priority date (Note) -
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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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