US Patent Issued to Rolls-Royce North American Technologies on Sept. 15 for "Two-phase thermal pump" (Virginia, California Inventors)

ALEXANDRIA, Va., Sept. 15 -- United States Patent no. 12,735,999, issued on Sept. 15, was assigned to Rolls-Royce North American Technologies Inc. (Indianapolis).

"Two-phase thermal pump" was invented by Eugene Charles Jansen (Stafford, Va.) and Jeffrey Wen-Yu Chen (San Diego).

According to the abstract* released by the U.S. Patent & Trademark Office: "A thermal system includes a tank storing a cooling fluid in a liquid state and a gas state, a first heat exchanger releasing heat into the tank, a second heat exchanger fluidly downstream of the fluid storage tank and exchanging heat between the cooling fluid and a heat load, a turbine fluidly downstream of the second heat exchanger and extracting mechanical energy from the cooling fluid, a...