US Patent Issued to HAMILTON SUNDSTRAND on July 21 for "Windmill brake for an auxiliary power unit" (Illinois Inventors)

ALEXANDRIA, Va., July 21 -- United States Patent no. 12,689,279, issued on July 21, was assigned to HAMILTON SUNDSTRAND Corp. (Charlotte, N.C.).

"Windmill brake for an auxiliary power unit" was invented by Dhaval S. Patel (Schaumburg, Ill.) and Kyle Ives (Loves Park, Ill.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A power generation system for an aircraft. The system includes an auxiliary power unit (APU), an APU generator mechanically linked to the APU, a generator control unit controllably coupled to the APU and an electromagnetic windmilling brake connected to APU generator. The electromagnetic windmilling brake includes a number of switched phase connections equal to a number of phases and the switch...