ALEXANDRIA, Va., April 7 -- United States Patent no. 12,595,769, issued on April 7, was assigned to Cummins Inc. (Columbus, Ind.).

"Variable valve actuation controls for engines" was invented by Ke Wang (Wuhan, China), Kai Zou (Wuhan, China), Wei Huang (Columbus, Ind.), Timothy Shipp (Seymour, Ind.) and Xing Yang (Wuhan, China).

According to the abstract* released by the U.S. Patent & Trademark Office: "A system includes an engine including a valvetrain comprising one or more intake valves and one or more exhaust valves, a variable valve actuation (VVA) system electronically controllable to vary operation of the valvetrain to selectably operate the engine in either a Miller cycle or a non-Miller cycle, and an electronic control system con...