System for controlling valve timing of an engine with cylinder deactivation
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United States of America Patent
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Jul 31, 2007
Grant Date -
Dec 8, 2005
app pub date -
May 9, 2005
filing date -
Jun 4, 2002
priority date (Note) -
In Force
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Abstract
Various systems and methods are disclosed for carrying out combustion in a fuel-cut operation in some or all of the engine cylinders of a vehicle. Further, various subsystems are considered, such as fuel vapor purging, air-fuel ratio control, engine torque control, catalyst design, and exhaust system design.
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