ALEXANDRIA, Va., Sept. 8 -- United States Patent no. 12,729,647, issued on Sept. 8, was assigned to PRATT & WHITNEY CANADA CORP. (Longueuil, Canada).

"Impeller back-face cooling manifold" was invented by Patrice Remy (St-Hubert, Canada) and Ian Macfarlane (St-Bruno, Canada).

According to the abstract* released by the U.S. Patent & Trademark Office: "A cooling manifold of a diffuser baffle of a compressor section of a gas turbine engine of an aircraft is provided. The cooling manifold includes an interior body and an exterior body. The interior body includes an interior body surface and an elongate, solid body extending from the interior body surface and defining one or more through-vias. The exterior body is configured to surround the int...