ALEXANDRIA, Va., March 17 -- United States Patent no. 12,577,896, issued on March 17, was assigned to AUDI AG (Ingolstadt, Germany).
"Method for operating a drive device and corresponding drive device" was invented by Bodo Odendall (Lenting, Germany).
According to the abstract* released by the U.S. Patent & Trademark Office: "A method for operating a drive device which has a drive unit that generates exhaust gas and an exhaust gas aftertreatment device for aftertreatment of the exhaust gas. A composition of a fuel-air mixture used for operating the drive unit is determined at least temporarily by a lambda control based on a first measured value of a first lambda sensor arranged upstream of the exhaust gas aftertreatment device and based o...