US Patent Issued to HAMILTON SUNDSTRAND on Dec. 16 for "Powered turbo-expander combining centrifugal compressor and an axial flow turbine" (New York, Connecticut Inventors)

ALEXANDRIA, Va., Dec. 16 -- United States Patent no. 12,497,176, issued on Dec. 16, was assigned to HAMILTON SUNDSTRAND Corp. (Charlotte, N.C.).

"Powered turbo-expander combining centrifugal compressor and an axial flow turbine" was invented by Viktor Kilchyk (Lancaster, N.Y.) and Mark G. Vignali (Simsbury, Conn.).

According to the abstract* released by the U.S. Patent & Trademark Office: "An environmental control system (ECS) of an aircraft, having a heat exchanger; a compressor that receives a first airflow from a first air source, compresses the first airflow, and directs the first airflow to the heat exchanger; an axial flow turbine that receives a second airflow from a second air source, extracts energy from the second airflow, and d...