ALEXANDRIA, Va., March 3 -- United States Patent no. 12,565,858, issued on March 3, was assigned to THE BOEING COMPANY (Arlington, Va.).
"Exhaust-driven auxiliary turbine" was invented by Dominic Barone (Centerville, Ohio) and Alexander William Feldstein (Natick, Mass.).
According to the abstract* released by the U.S. Patent & Trademark Office: "A system includes an engine configured to generate an exhaust stream. The engine includes one or more first shafts rotated by operation of the engine. The system includes an exhaust-driven auxiliary turbine positioned to utilize the exhaust stream to cause rotation of a second shaft other than one of the one or more first shafts. The system also includes a device coupled to the second shaft. The d...