ALEXANDRIA, Va., Nov. 11 -- United States Patent no. 12,467,397, issued on Nov. 11, was assigned to Vitesco Technologies GmbH (Regensburg, Germany).
"Exhaust gas aftertreatment device having small cavities" was invented by Peter Hirth (Rosrath, Germany).
According to the abstract* released by the U.S. Patent & Trademark Office: "A device for aftertreatment of exhaust gases from an engine, with a honeycomb body through which a flow passes along a main flow direction, a ceramic mat, and a first casing that receives the honeycomb body. The ceramic mat is arranged between the honeycomb body and the casing and surrounds the honeycomb body as a ring in peripheral direction. The ceramic mat is configured such that the cavity formed between the h...