Engine system and method for efficient emission control device purging
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United States of America Patent
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Apr 4, 2006
Grant Date -
Sep 8, 2005
app pub date -
Mar 5, 2004
filing date -
Mar 5, 2004
priority date (Note) -
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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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