ALEXANDRIA, Va., March 24 -- United States Patent no. 12,583,614, issued on March 24, was assigned to Hamilton Sundstrand Corp. (Charlotte, N.C.).
"Environmental control system with liquid hydrogen fuel vaporization for a hydrogen fuel cell" was invented by Lance R. Bartosz (Granby, Mass.).
According to the abstract* released by the U.S. Patent & Trademark Office: "An aircraft environmental control system includes a tank holding cryogenic fuel, a heat exchanger, a first rotary machine, a first outlet duct, and a second outlet duct. The heat exchanger includes a cold side flow path downstream from the tank to evaporate the fuel, a first hot side flow path, and a second hot side flow path. The first rotary machine includes a first compresso...