System for controlling exhaust aftertreatment

In one aspect, the present disclosure is directed to a method for treating exhaust from an engine. The method may comprise generating a first signal indicative of an engine load and generating a second signal indicative of a pollutant level. The method may further comprise recirculating exhaust base...

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Bibliographic Details
Main Authors Danby, Susannah Elizabeth, Faulkner, Stephen Anthony, Heaton, David Mark, Southall, Robert
Format Patent
LanguageEnglish
Published 15.02.2011
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Summary:In one aspect, the present disclosure is directed to a method for treating exhaust from an engine. The method may comprise generating a first signal indicative of an engine load and generating a second signal indicative of a pollutant level. The method may further comprise recirculating exhaust based on the first signal and injecting a reductant based on the first signal and the second signal.