Method for predicting NOx amount and exhaust system using the same
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United States of America Patent
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Jul 15, 2014
Grant Date -
May 24, 2012
app pub date -
Jun 30, 2011
filing date -
Nov 18, 2010
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Abstract
A method for predicting a NOx amount, may include determining a reference NOx amount according to a driving condition of an engine, primarily correcting the reference NOx amount according to an exhaust gas recirculation (EGR) ratio, and secondarily correcting the primarily corrected NOx amount according to an environmental factor and the driving condition.
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