US Patent Issued to Southwest Research Institute on Nov. 11 for "Warm air recirculation for exhaust aftertreatment warmup of internal combustion engine" (Texas Inventors)

ALEXANDRIA, Va., Nov. 11 -- United States Patent no. 12,467,393, issued on Nov. 11, was assigned to Southwest Research Institute (San Antonio).

"Warm air recirculation for exhaust aftertreatment warmup of internal combustion engine" was invented by Alexander Michlberger (San Antonio), Prathik Meruva (San Antonio) and Daniel Christopher Bitsis Jr. (San Antonio).

According to the abstract* released by the U.S. Patent & Trademark Office: "A system and method for warming an exhaust aftertreatment device of an internal combustion engine, the aftertreatment device being installed on an exhaust line of the engine. In one embodiment, the system has a recirculation loop in fluid communication with the exhaust line at two locations, a first locatio...