US Patent Issued to PRATT & WHITNEY CANADA on Aug. 18 for "Axial compressor integrated bladed rotor airfoil design scheme" (Canadian Inventors)

ALEXANDRIA, Va., Aug. 18 -- United States Patent no. 12,709,986, issued on Aug. 18, was assigned to PRATT & WHITNEY CANADA CORP. (Longueuil, Canada).

"Axial compressor integrated bladed rotor airfoil design scheme" was invented by Chao Zhang (Vaughan, Canada) and Rambod Larijani (Mississauga, Canada).

According to the abstract* released by the U.S. Patent & Trademark Office: "An integrally bladed rotor (IBR) of an aircraft engine includes a hub, the hub including a blade platform and a hub web extending radially inwardly from the blade platform. The IBR further includes blades, each blade having an airfoil section extending from the blade platform to a blade tip defining a radially outboard extent of the rotor blade to aerodynamically int...