US Patent Issued to Rolls-Royce North American Technologies on Aug. 25 for "Tip injection system for gas turbine engines with phase change material cooling for thermal distortion mitigation" (Indiana Inventors)

ALEXANDRIA, Va., Aug. 25 -- United States Patent no. 12,716,370, issued on Aug. 25, was assigned to Rolls-Royce North American Technologies Inc. (Indianapolis).

"Tip injection system for gas turbine engines with phase change material cooling for thermal distortion mitigation" was invented by Robert W. Heeter (Indianapolis), Daniel E. Molnar Jr. (Indianapolis) and Ryan A. Trent (Indianapolis).

According to the abstract* released by the U.S. Patent & Trademark Office: "A fan case assembly comprises a fan track liner, an annular case, and a tip injection system. The fan track liner includes a forward end, an aft end axially aft of the forward end, and an inner radial surface that extends between the forward and aft ends to define a gas path....