ALEXANDRIA, Va., Aug. 6 -- United States Patent no. 12,379,143, issued on Aug. 5, was assigned to CARRIER Corp. (Palm Beach Gardens, Fla.).
"Heat pump system and control method thereof" was invented by Guangyu Shen (Shanghai), Guang Zhang (Shanghai) and Hui Zhai (Shanghai).
According to the abstract* released by the U.S. Patent & Trademark Office: "A heat pump system includes a compressor; an indoor heat exchanger; an outdoor heat exchanger configured as an interlaced heat exchanger having at least two refrigerant flow paths; a plurality of throttling elements; and a first type four-way valve and a second type four-way valve, with ports thereof respectively connected to the inlet and the outlet of the compressor, the indoor heat exchanger...