ALEXANDRIA, Va., Feb. 3 -- United States Patent no. 12,540,628, issued on Feb. 3, was assigned to PRATT & WHITNEY CANADA CORP. (Longueuil, Canada).
"Impeller blade turning distribution" was invented by Hien Duong (Mississauga, Canada).
According to the abstract* released by the U.S. Patent & Trademark Office: "An impeller of an aircraft gas turbine engine is provided. The impeller includes a hub, blades and a shroud surrounding the hub and the blades to form a flow path from an inducer portion at an upstream side of the impeller to an exducer portion at an impeller exit. At least one of the blades includes a leading edge and a trailing edge with an exit angle at the impeller exit. The at least one of the blades exhibits an overturning pea...