Engine shut-down for engine having adjustable valve timing
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United States of America Patent
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Jun 23, 2009
Grant Date -
May 1, 2008
app pub date -
Jan 2, 2008
filing date -
Mar 19, 2004
priority date (Note) -
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Abstract
A method for discontinuing combustion in a cylinder of an internal combustion engine having an intake manifold and an emission control device coupled downstream of thereof, where the cylinder has at least one valve, the method comprising during a shut-down and after a final combustion event in the cylinder, adjusting valve timing of the valve to reduce a flow of gasses from the engine to the emission control device.
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