US Patent Issued to PRATT & WHITNEY CANADA on June 2 for "Turboprop with a variable area nozzle ejector" (Canadian Inventor)

ALEXANDRIA, Va., June 2 -- United States Patent no. 12,644,426, issued on June 2, was assigned to PRATT & WHITNEY CANADA CORP. (Longueuil, Canada).

"Turboprop with a variable area nozzle ejector" was invented by Paul Weaver (Chateauguay, Canada).

According to the abstract* released by the U.S. Patent & Trademark Office: "An exhaust assembly for a turboprop engine, the assembly having: a primary exhaust nozzle disposed at an aft end of an engine core of the turboprop engine; a secondary exhaust nozzle extending aft from the primary exhaust nozzle to an aft end of the secondary exhaust nozzle, a movable panel disposed in the aft end of the secondary exhaust nozzle and movable to decrease an area of the secondary exhaust nozzle."

The patent...