US Patent Issued to Pratt & Whitney Canada on March 31 for "Gas turbine engine with shaft retention system" (Canadian Inventor)

ALEXANDRIA, Va., March 31 -- United States Patent no. 12,590,543, issued on March 31, was assigned to Pratt & Whitney Canada Corp. (Longueuil, Canada).

"Gas turbine engine with shaft retention system" was invented by Eric S. Durocher (Boucherville, Canada).

According to the abstract* released by the U.S. Patent & Trademark Office: "A gas turbine engine is provided that includes a compressor section, a combustor, a turbine section, an engine shaft, a shaft retention system, and an axial centerline. The engine shaft is engaged with the compressor section and the turbine section. The engine shaft has an aft end and axially extends along the axial centerline of the engine. The shaft retention system includes a shaft nut and a shaft retainer. ...