Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
William Charles Ruona0
Date of Patent
August 2, 2011
Patent Application Number
11930849
Date Filed
October 31, 2007
Patent Primary Examiner
Patent abstract
A method of operating an internal combustion engine having a reductant delivery and storage system in an emission control system is disclosed. The method includes an approach for reducing thermal damage to aftertreatment devices in an exhaust system by reducing excessive exhaust gas temperatures created during particulate filter regeneration.
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