ALEXANDRIA, Va., Feb. 11 -- United States Patent no. 12,546,514, issued on Feb. 10, was assigned to CARRIER Corp. (Palm Beach Gardens, Fla.).
"Refrigeration system" was invented by Qin Wang (Shanghai), Haijun Li (Shanghai) and Jin Liu (Shanghai).
According to the abstract* released by the U.S. Patent & Trademark Office: "Described herein is a refrigeration system that includes a first circuit, second circuit, and a coolant circuit. The first circuit is a natural cooling circuit and the second circuit is a mechanical refrigeration circuit. The first circuit includes a first evaporator and the second circuit includes a second evaporator. The coolant circuit passes through the first evaporator and the second evaporator in sequence. The coola...