US Patent Issued to Rolls-Royce North American Technologies on Aug. 26 for "Turbine assembly with case-integrated cooled clearance measurement system" (Indiana Inventors)

ALEXANDRIA, Va., Aug. 26 -- United States Patent no. 12,398,654, issued on Aug. 26, was assigned to Rolls-Royce North American Technologies Inc. (Indianapolis).

"Turbine assembly with case-integrated cooled clearance measurement system" was invented by Brett Hartnagel (Indianapolis), Brandon R. Snyder (Indianapolis), Trevor C. Pfeil (Indianapolis) and Rex M. Little (Indianapolis).

According to the abstract* released by the U.S. Patent & Trademark Office: "A turbine assembly includes a bladed rotor mounted for rotation about an axis of the gas turbine engine, a case assembly, and a tip clearance system. The tip clearance system includes a tip clearance sensor located in an annular plenum defined between an inner case and an outer case incl...