US Patent Issued to ROLLS-ROYCE on June 3 for "Thermal soak-back mitigation" (British Inventors)

ALEXANDRIA, Va., June 4 -- United States Patent no. 12,320,262, issued on June 3, was assigned to ROLLS-ROYCE plc (London).

"Thermal soak-back mitigation" was invented by David M Donnelly (Bristol, Great Britain), Derek S Wall (Bristol, Great Britain) and Jonathan Wieland (Bristol, Great Britain).

According to the abstract* released by the U.S. Patent & Trademark Office: "A method of operating a gas turbine engine having a spool includes executing, by a controller, a shutdown procedure. The shutdown procedure includes: performing an idle rotation operation; determining a parameter associated with a thermal condition of the gas turbine engine while the idle rotation operation is performed; determining, based on the determined parameter, wh...