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Systems and methods to mitigate NO.sub.x and HC emissions

United States Patent

9,677,439
June 13, 2017
View the Complete Patent at the US Patent & Trademark Office
Systems and methods are provided for managing low temperature NO.sub.x and HC emissions, such as during a cold start of an internal combustion engine. The systems and methods include storing NO.sub.x and HC emissions at low temperatures and passively releasing and treating these emissions as the temperature of the exhaust system increases.
Gupta; Aniket (Wuhan, CN), Cunningham; Michael J. (Greenwood, IN), Ruth; Michael J. (Franklin, IN), Chilumukuru; Krishna P. (Columbus, IN)
Cummins Inc. (Columbus, IN)
14/ 600,262
20150240682
January 20, 2015
GOVERNMENT RIGHTS The present invention was made with Government assistance from the U.S. Department of Energy (DOE) under contract No. DE-EE0004125. The U.S. Federal Government may have certain rights therein.