US Patent Issued to Donaldson on Nov. 18 for "Dosing and mixing assemblies for exhaust aftertreatment system" (Belgian, French Inventors)

ALEXANDRIA, Va., Nov. 18 -- United States Patent no. 12,473,851, issued on Nov. 18, was assigned to Donaldson Co. Inc. (Bloomington, Minn.).

"Dosing and mixing assemblies for exhaust aftertreatment system" was invented by Corine Chauvin (Caen, France), Korneel De Rudder (Winksele, Belgium), Anil C. Agar (Leuven, Belgium) and Bart Schellens (Overijse, Belgium).

According to the abstract* released by the U.S. Patent & Trademark Office: "A dosing and mixing assembly for an exhaust aftertreatment device includes a conduit arrangement defining overlapping, coaxial flow paths that join at a common flow path. The conduit arrangement defines a mixing region upstream of the overlapping, coaxial flow paths, an impact region at the overlapping, coax...