ALEXANDRIA, Va., Sept. 30 -- United States Patent no. 12,428,997, issued on Sept. 30, was assigned to RTX Corp. (Farmington, Conn.).
"Multi-mode starter control for gas turbine engines" was invented by Andre M. Ajami (Henderson, Nev.) and Donny Davis (West Palm Beach, Fla.).
According to the abstract* released by the U.S. Patent & Trademark Office: "A starter assembly for a gas turbine engine may include, among other things, at least one electric motor coupled to a respective spool. A controller may be operable to modulate the at least one electric motor in a plurality of control modes. The control modes may include a torque control mode, an acceleration control mode and/or a speed control mode. A method for starting a gas turbine engine ...