US Patent Issued to RTX on June 17 for "Cryogenic bottoming cycle with variable fluid mixture" (Connecticut, Texas Inventors)

ALEXANDRIA, Va., June 19 -- United States Patent no. 12,331,688, issued on June 17, was assigned to RTX Corp. (Farmington, Conn.).

"Cryogenic bottoming cycle with variable fluid mixture" was invented by Brandon M. Evans (San Antonio) and Neil J. Terwilliger (Cheshire, Conn.).

According to the abstract* released by the U.S. Patent & Trademark Office: "An aircraft propulsion system includes a core engine that includes a main compressor where an inlet airflow is compressed and communicated to a combustor to generate an exhaust gas flow that is expanded through a main turbine section to generate power used to drive the main compressor and a propulsive fan, a bottoming cycle where a working fluid mixture within a closed circuit is heated and e...