Homogenous charge compression ignition engine control
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United States of America Patent
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Feb 26, 2008
Grant Date -
Apr 26, 2007
app pub date -
Oct 24, 2005
filing date -
Oct 24, 2005
priority date (Note) -
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Abstract
A method is shown for operating an internal combustion engine having a combustion chamber with a piston, the internal combustion engine capable of injecting fuel into the combustion chamber multiple times during a cycle, the method comprising: performing a first fuel injection after approximately -25 crank angle degrees after top dead center and before approximately 15 crank angle degrees after top dead center; and performing a second fuel injection at least 5 degrees after the start of the first fuel injection and less than approximately 25 crank angle degrees after the start of the first fuel injection.
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