ALEXANDRIA, Va., July 15 -- United States Patent no. 12,662,974, issued on June 23, was assigned to Ford Global Technologies LLC (Dearborn, Mich.).
"Methods and systems for individual cylinder fuel-air ratio adaptation" was invented by Rani Kiwan (West Bloomfield, Mich.), Michael Uhrich (Wixom, Mich.), Chris Paul Glugla (Macomb, Mich.) and Kenneth John Behr (Farmington Hills, Mich.).
According to the abstract* released by the U.S. Patent & Trademark Office: "Systems and methods for determining normalized fuel-air ratio error for a cylinder of an engine an engine are disclosed. In one example, the engine is operated in a four-cylinder mode to generate a first normalized fuel-air ratio error for a first cylinder and operated in an eight-cyl...