US Patent Issued to FEV Group on Sept. 29 for "Exhaust gas aftertreatment system with two SCR catalysts" (Michigan Inventor)

ALEXANDRIA, Va., Sept. 30 -- United States Patent no. 12,747,686, issued on Sept. 29, was assigned to FEV Group GmbH (Aachen, Germany).

"Exhaust gas aftertreatment system with two SCR catalysts" was invented by Rade Milanovic (Auburn Hills, Mich.).

According to the abstract* released by the U.S. Patent & Trademark Office: "An exhaust gas aftertreatment system for an internal combustion engine of a vehicle includes: an exhaust gas line, a main SCR catalyst, a diesel particulate filter arranged upstream of the main SCR catalyst, a first reducing agent injector associated with the main SCR catalyst, a close-coupled SCR catalyst, a second reducing agent injector associated with the close-coupled SCR catalyst, a sensor arrangement and a contro...