ALEXANDRIA, Va., Feb. 17 -- United States Patent no. 12,553,609, issued on Feb. 17, was assigned to RTX Corp. (Farmington, Conn.).
"Intercooled combustor nozzle guide vane and secondary air configuration" was invented by William K. Ackermann (East Hartford, Conn.), Thomas E. Clark (Wells, Maine) and Andrew E. Breault (Bolton, Conn.).
According to the abstract* released by the U.S. Patent & Trademark Office: "A gas turbine engine is provided that includes compressor and combustor sections, inner and outer casings, an annular diffuser, an inner diffuser casing, a heat exchanger, and an HPT stator vane stage. An annular combustor is disposed radially inward of the outer casing and has inner and outer radial wall structures. The outer casing ...