METHOD FOR OPERATING AN ENGINE ARRANGEMENT
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United States of America Patent
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Issued Date -
Mar 22, 2012
app pub date -
Jun 2, 2009
filing date -
Jun 2, 2009
priority date (Note) -
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Abstract
A method is provided for operating an internal combustion engine having at least one cylinder, said engine operating according to a four stokes cycle. The engine includes at least one controlled intake port to control communication of the combustion chamber with an intake line. The intake port is controlled to achieve a main open phase mainly during the intake stroke. The intake port is controlled to achieve an auxiliary open phase during the power stroke in view of heating the engine at cold start.
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