ALEXANDRIA, Va., May 19 -- United States Patent no. 12,631,525, issued on May 19, was assigned to Pratt & Whitney Canada Corp. (Longueuil, Canada).
"Testing secondary power system of aircraft powerplant" was invented by Michael Mark (Montreal) and Michael Hanna (Beaconsfield, Canada).
According to the abstract* released by the U.S. Patent & Trademark Office: "A method of operation is provided. During this method, a first power system of an aircraft powerplant is operated to direct a first quantity of fuel into a flowpath of the aircraft powerplant for combustion. A second power system of the aircraft powerplant is tested during the operating of the first power system. The testing of the second power system includes: signaling the second p...