ALEXANDRIA, Va., April 2 -- United States Patent no. 12,264,612, issued on April 1, was assigned to Cummins Emission Solutions Inc. (Columbus, Ind.).
"Mixers for use in aftertreatment systems" was invented by Z. Gerald Liu (Madison, Wis.), Apoorv Kalyankar (Madison, Wis.) and Achuth Munnannur (Verona, Wis.).
According to the abstract* released by the U.S. Patent & Trademark Office: "An aftertreatment system comprises: a housing, a SCR system disposed in the housing. A mixer is disposed upstream of the SCR system and includes: a hub, a tubular member disposed circumferentially around the hub and defining a reductant entry port, and plurality of vanes extending from the hub to the tubular member such that openings are defined between adjace...