US Patent Issued to Pratt & Whitney Canada on Feb. 10 for "Variable rim width turbine blade attachment" (Canadian Inventors)

ALEXANDRIA, Va., Feb. 11 -- United States Patent no. 12,546,223, issued on Feb. 10, was assigned to Pratt & Whitney Canada Corp. (Longueuil, Canada).

"Variable rim width turbine blade attachment" was invented by Thierry Stocco (Longueuil, Canada), Othmane Leghzaouni (Boucherville, Canada), Robert Huszar (Saint-Bruno-de-Montarville, Canada) and Daniel Lecuyer (St-Bruno, Canada).

According to the abstract* released by the U.S. Patent & Trademark Office: "A rotor assembly includes a disk and a blade. The disk is rotatable about an axis that includes a plurality of slots distributed circumferentially along an outer periphery of the disk. The blade includes an airfoil and a root extending radially inward from the airfoil that is received in on...