ALEXANDRIA, Va., Dec. 16 -- United States Patent no. 12,497,909, issued on Dec. 16, was assigned to PRATT & WHITNEY CANADA CORP. (Longueuil, Canada).
"Flange with stress attentuation feature" was invented by Tibor Urac (Mississauga, Canada) and Shervin Aslani Amoli (Toronto).
According to the abstract* released by the U.S. Patent & Trademark Office: "A cooling fan housing is provided. The cooling fan housing includes an inner housing and an outer housing. The inner housing includes inner forward and inner rearward flanges on either side of an inner annulus. The inner rearward flange includes a recessed portion proximate to the inner annulus and a non-recessed portion remote from the inner annulus. The outer housing includes outer forward ...