US Patent Issued to Pratt & Whitney Canada on July 7 for "Sprag clutch assembly of gas turbine engine" (Canadian Inventors)

ALEXANDRIA, Va., July 7 -- United States Patent no. 12,674,493, issued on July 7, was assigned to Pratt & Whitney Canada Corp. (Longueuil, Canada).

"Sprag clutch assembly of gas turbine engine" was invented by Guillaume Landry-Drolet (Boucherville, Canada) and Michel Abdelnour (Greenfield Park, Canada).

According to the abstract* released by the U.S. Patent & Trademark Office: "A clutch assembly is provided that includes inner and outer races. The clutch assembly also includes sprags concentrically disposed in an annular space between the inner and outer races. Each sprag includes an inner step and an outer step. The clutch assembly further includes a segmented ring configured to radially expand radially contract. The clutch assembly also...