ALEXANDRIA, Va., Dec. 9 -- United States Patent no. 12,492,643, issued on Dec. 9, was assigned to PRATT & WHITNEY CANADA CORP. (Longueuil, Canada).
"Extended banana foot stator" was invented by Tibor Urac (Mississauga, Canada), Richard Ivakitch (Scarborough, Canada) and Piotr Szczesnowicz (Toronto).
According to the abstract* released by the U.S. Patent & Trademark Office: "A stator vane is provided and includes an airfoil section, a banana foot section including a radially outermost surface and a fillet. The fillet is radially interposed between the radially outermost surface of the banana foot section and the airfoil section. Respective outermost peripheries of the fillet and the radially outermost surface of the banana foot section def...