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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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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Abstract 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.
AbstractList 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.
Author Pinson, John A
El Tahry, Sherif H
Redon, Fabien G
Wright, Christopher C
Potter, Michael A
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References Huang et al. (7197867) 20070400
(4425018) 19950600
Kosaka (2006/0184307) 20060800
Donaldson et al. (2008/0098726) 20080500
David B. Brown; Entitled: "Diesel Exhaust Control During Limp-Home Mode"; Filed Dec. 14, 2006; 26 Pages.
(1871411) 20040900
Frankle (5651247) 19970700
(102006000074) 20060900
Brent D. Hendrickson; Entitled: "Method of Monitoring A Dosing Agent Supply for Treating Exhaust"; Filed Dec. 14, 2006; 23 Pages.
Chinese Office Action dated Sep. 19, 2010 in Chinese Application No. 200710300948.9.
(102005022420) 20060600
Federle (2007/0163244) 20070700
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Title Emissions conformance for an exhaust after-treatment system having a dosing agent supply
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