Emissions conformance for an exhaust after-treatment system having a dosing agent supply

An exhaust after-treatment system for a vehicle including a dosing agent that is selectively injected into an exhaust from a dosing agent supply includes a first module that determines a level of a dosing agent source. A second module selectively impedes vehicle operation by adjusting an engine oper...

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Bibliographic Details
Main Authors Potter, Michael A, Redon, Fabien G, El Tahry, Sherif H, Wright, Christopher C, Pinson, John A
Format Patent
LanguageEnglish
Published 24.05.2011
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Summary:An exhaust after-treatment system for a vehicle including a dosing agent that is selectively injected into an exhaust from a dosing agent supply includes a first module that determines a level of a dosing agent source. A second module selectively impedes vehicle operation by adjusting an engine operating mode if the level of said dosing agent source is below a threshold level.