Method of dispensing fuel into transient flow of an exhaust system
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United States of America Patent
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Mar 4, 2008
Grant Date -
Mar 15, 2007
app pub date -
Jun 10, 2004
filing date -
Jun 12, 2003
priority date (Note) -
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Abstract
A system or method for controlling the delivery of fuel into the transient flow of an exhaust system to control emissions. A mathematical model representative of the exhaust system can be used to determine, based on operating conditions of the exhaust system, a rate of fuel delivery suitable for achieving a desired result. The desired result can be to increase the temperature of a diesel particulate filter to a temperature suitable for regeneration without exceeding a temperature that may damage the diesel particulate filter.
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