ALEXANDRIA, Va., Dec. 23 -- United States Patent no. 12,504,069, issued on Dec. 23, was assigned to Caterpillar Inc. (Peoria, Ill.).
"Gear shifting process for powertrain transmission" was invented by Brian E. Lister (Edwards, Ill.) and Bernard M. Murphy (Dunlap, Ill.).
According to the abstract* released by the U.S. Patent & Trademark Office: "A transmission associated with a powertrain receives torque from a power source and includes a plurality of gear sets that can be selectively engaged and released. To shift gear sets, a shifting process conducted by an electronic controller may estimate a torque assist capacity of the power source to provide or accommodate changes in torque during the gear shift. If the torque assist capacity is le...