ALEXANDRIA, Va., March 5 -- United States Patent no. 12,241,398, issued on March 4, was assigned to Cummins Inc. (Columbus, Ind.).
"Aftertreatment system NOx and ammonia control strategy" was invented by Michael Haas (Columbus, Ind.), Adam W. Kidd (Indianapolis), Oxford Peng (Columbus, Ind.), Shahidur M. Rahman (Columbus, Ind.), Ananth Vemuri (Columbus, Ind.), Christophe Tricaud (Columbus, Ind.) and Easwar Yarrabikki (Columbus, Ind.).
According to the abstract* released by the U.S. Patent & Trademark Office: "A system includes an aftertreatment system and a controller coupled to the aftertreatment system. The controller is configured to generate a spatially resolved model of a catalyst of the aftertreatment system. The controller is furth...