ALEXANDRIA, Va., Dec. 2 -- United States Patent no. 12,486,784, issued on Dec. 2, was assigned to ROLLS-ROYCE plc (London).

"Turbine overspeed protection" was invented by Andrew Parsley (Bristol, Great Britain) and Natalie C Wong (Bristol, Great Britain).

According to the abstract* released by the U.S. Patent & Trademark Office: "An apparatus and method for reducing a pressure differential across a turbine 19 of a gas turbine engine 10 during a shaft break event, comprises a pressure equalization apparatus 200, 300, 400, 500, 600, 700 configured to introduce a pressurised fluid into a core airflow A at a region directly downstream of the turbine 19 in the event of a shaft break to directly increase a local pressure at the downstream regio...