US Patent Issued to Rolls-Royce North American Technologies on Feb. 4 for "Method for assembling a radial turbine rotor by solid-state welding" (Indiana Inventors)

ALEXANDRIA, Va., Feb. 5 -- United States Patent no. 12,215,595, issued on Feb. 4, was assigned to Rolls-Royce North American Technologies Inc. (Indianapolis).

"Method for assembling a radial turbine rotor by solid-state welding" was invented by Michel S. Smallwood (Indianapolis) and Stanford Clemens (Indianapolis).

According to the abstract* released by the U.S. Patent & Trademark Office: "A method of assembling a radial turbine rotor includes manufacturing turbine blades, a flowpath ring, and a hub. The method includes fixing the turbine blades circumferentially around the flowpath ring by a blade joint between the turbine blades and the flowpath ring to form a ring assembly. The method includes spinning the hub and moving the hub into e...