Cylinder deactivation system and NOx trap regeneration
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United States of America Patent
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May 11, 2004
Grant Date -
Oct 9, 2003
app pub date -
Apr 3, 2002
filing date -
Apr 3, 2002
priority date (Note) -
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Abstract
An engine control system in a vehicle including a variable displacement internal combustion engine, a controller for controlling the displacement of the variable displacement internal combustion engine, an exhaust manifold coupled to the variable displacement internal combustion engine, a NOx trap coupled to the exhaust manifold, and where the controller varies the displacement of the variable displacement internal combustion engine to optimize the regeneration of the NOx trap.
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