US Patent Issued to The Boeing on June 30 for "Non-recuperated supercritical carbon-dioxide Brayton cycle heating for liquid natural gas-powered engines" (Washington, California Inventors)

ALEXANDRIA, Va., July 16 -- United States Patent no. 12,669,085, issued on June 30, was assigned to The Boeing Co. (Arlington, Va.).

"Non-recuperated supercritical carbon-dioxide Brayton cycle heating for liquid natural gas-powered engines" was invented by Mingxuan Shi (Mukilteo, Wash.), Htet Htet Nwe OoMandzak (Long Beach, Calif.) and Sho Sato (Mercer Island, Wash.).

According to the abstract* released by the U.S. Patent & Trademark Office: "Systems and methods for combusting liquid natural gas (LNG) for use in turbofan engines in aircraft are disclosed. Various components use a non-recuperated supercritical carbon dioxide (sCO2) Brayton cycle by the sCO2 extracting heat from a heat exchanger through which flows primary exhaust of a gas ...