ALEXANDRIA, Va., Nov. 6 -- United States Patent no. 12,460,568, issued on Nov. 4, was assigned to Cummins Emission Solutions Inc. (Columbus, Ind.).
"Engine health and oil consumption rate diagnostic using back pressure" was invented by James Zokoe Jr. (Columbus, Ind.), Shirish S. Punde (Columbus, Ind.), Bryon D. Staebler (Columbus, Ind.) and Rayomand Dabhoiwala (Columbus, Ind.).
According to the abstract* released by the U.S. Patent & Trademark Office: "An aftertreatment system includes a particulate filter configured to receive exhaust gas from an engine and a controller that measures an actual pressure drop across the particulate filter, determines an expected total ash accumulation rate in the particulate filter based on a current duty...