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Active control of one or more EGR loops

United States Patent

9,726,091
August 8, 2017
View the Complete Patent at the US Patent & Trademark Office
Active control of one or more exhaust gas recirculation loops is provided to manage and EGR fraction in the charge flow to produce desired operating conditions and/or provide diagnostics in response to at least one of an oxygen concentration and a NOx concentration in the charge flow and in the exhaust flow.
Ruth; Michael J. (Franklin, IN), Cunningham; Michael J. (Greenwood, IN), Henry; Cary A. (Helotes, TX)
Cummins Inc. (Columbus, IN)
14/ 215,216
20140261350
March 17, 2014
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.