US Patent Issued to RTX on June 17 for "Cryogenic fuel semi-closed injection cooled bottoming cycle" (Connecticut, Texas Inventors)

ALEXANDRIA, Va., June 19 -- United States Patent no. 12,331,687, issued on June 17, was assigned to RTX Corp. (Farmington, Conn.).

"Cryogenic fuel semi-closed injection cooled bottoming cycle" 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 combustor where a cryogenic fuel is mixed with compressed air and ignited to generate an exhaust gas flow, a propulsive fan driven by shaft power that is generated by the core engine, a cryogenic fuel system that includes a cryogenic fuel storage tank, a fuel flow path where a fuel flow is circulated from upstream in a...