US Patent Issued to Rolls-Royce North American Technologies on May 26 for "Fan casing or liner with interchangeable tip treatment segments" (Indiana Inventors)

ALEXANDRIA, Va., May 26 -- United States Patent no. 12,638,024, issued on May 26, was assigned to Rolls-Royce North American Technologies Inc. (Indianapolis).

"Fan casing or liner with interchangeable tip treatment segments" was invented by Robert W. Heeter (Indianapolis) and Daniel E. Molnar Jr. (Indianapolis).

According to the abstract* released by the U.S. Patent & Trademark Office: "A fan case assembly includes an annular case including a first circumferentially-extending slot formed therein, and a tip treatment segment arranged within the first slot and retained therein. The tip treatment segment includes a radially inwardly-facing segment surface having a tip treatment groove formed therein. The tip treatment segment is selectively ...