ALEXANDRIA, Va., July 14 -- United States Patent no. 12,680,462, issued on July 14, was assigned to SAFRAN AIRCRAFT ENGINES (Paris).

"Cooling-air injection casing for a turbomachine turbine" was invented by Jerome Claude George Lemonnier (Moissy-Cramayel, France), Franck Davy Boisnault (Moissy-Cramayel, France) and Antoine Bruno Van Noort (Moissy-Cramayel, France).

According to the abstract* released by the U.S. Patent & Trademark Office: "A cooling-air injection casing for cooling a bladed rotor disc of a turbine, in particular a high-pressure turbine, this casing extending around a longitudinal axis (X-X') and being traversed by at least one channel forming an air injector, the channel including an inlet mouth and an outlet mouth. The c...