US Patent Issued to Pratt & Whitney Canada on Oct. 21 for "Seal assembly mating plate for aircraft powerplant" (Canadian Inventors)

ALEXANDRIA, Va., Oct. 28 -- United States Patent no. 12,448,904, issued on Oct. 21, was assigned to Pratt & Whitney Canada Corp. (Longueuil, Canada).

"Seal assembly mating plate for aircraft powerplant" was invented by Rose-Elizabeth Banville (Longueuil, Canada), Hugo Quintin (Varennes, Canada), Michel Labbe (Montreal), Simon Cartier (St-Bruno-de-Montarville, Canada), Cedric Chan Chuen (Laval, Canada) and Sebastien Gagne (Longueuil, Canada).

According to the abstract* released by the U.S. Patent & Trademark Office: "An assembly includes a rotating seal land, a seal element, a stationary seal support and a mating plate. The seal element axially overlaps, circumscribes and radially sealingly engages the rotating seal land. The stationary se...