ALEXANDRIA, Va., March 31 -- United States Patent no. 12,589,882, issued on March 31, was assigned to RTX Corp. (Farmington, Conn.).
"Shared cryogenic bottoming cycle" was invented by Brandon M. Evans (San Antonio), Neil J. Terwilliger (Cheshire, Conn.) and Melissa Coombes (Orono, Maine).
According to the abstract* released by the U.S. Patent & Trademark Office: "An aircraft propulsion system includes at least two gas turbine engines and a bottoming cycle system where a working fluid is circulated within a closed circuit that includes a bottoming compressor section and a bottoming turbine section. Each of the at least two gas turbine engines include a primary heat exchanger for communicating thermal energy into the working fluid of the bo...