US Patent Issued to SAFRAN AIRCRAFT ENGINES on Dec. 30 for "Method for controlling a gas turbine engine" (French Inventors)

ALEXANDRIA, Va., Dec. 31 -- United States Patent no. 12,509,997, issued on Dec. 30, was assigned to SAFRAN AIRCRAFT ENGINES (Paris).

"Method for controlling a gas turbine engine" was invented by Didier Rene Andre Escure (Moissy-Cramayel, France) and Romuald Gentils (Moissy-Cramayel, France).

According to the abstract* released by the U.S. Patent & Trademark Office: "A method for controlling a gas turbine engine including estimating a temperature gradient between first and second portions of a spool, comparing the estimated temperature gradient with a temperature gradient threshold, if the temperature gradient is less than the threshold, driving a drive shaft in rotation at a rotational speed varying over time according to a first profile ...