ALEXANDRIA, Va., Jan. 29 -- United States Patent no. 12,209,540, issued on Jan. 28, was assigned to GENERAL ELECTRIC COMPANY (Evendale, Ohio).

"Bowed-rotor mitigation system for a gas turbine" was invented by Ravindra Shankar Ganiger (Bengaluru, India), Kudum Shinde (Bengaluru, India), Surender Reddy Bhavanam (Bengaluru, India) and Weize Kang (Mason, Ohio).

According to the abstract* released by the U.S. Patent & Trademark Office: "A gas turbine engine includes a compressor rotor shaft assembly, an accessory gearbox, and a bowed-rotor mitigation drive device drivingly coupled with the accessory gearbox. The bowed-rotor mitigation drive device is driven during an engine startup phase so as to induce a mechanical load (mechanical energy) to...