US Patent Issued to Pratt & Whitney Canada on March 24 for "Accelerating turbine engine rotating structure with compressed air" (Canadian Inventors)

ALEXANDRIA, Va., March 24 -- United States Patent no. 12,584,443, issued on March 24, was assigned to Pratt & Whitney Canada Corp. (Longueuil, Canada).

"Accelerating turbine engine rotating structure with compressed air" was invented by Eric S. Durocher (Boucherville, Canada) and Michel Labrecque (Ste-Julie, Canada).

According to the abstract* released by the U.S. Patent & Trademark Office: "An assembly for an aircraft powerplant includes a compressor rotor and an air system. The compressor rotor includes a plurality of compressor blades. The compressor blades are arranged circumferentially around the axis in a compressor blade array and are disposed in a flowpath. The air system includes an air source, an air injector and an air circuit ...