ALEXANDRIA, Va., Oct. 28 -- United States Patent no. 12,449,169, issued on Oct. 21, was assigned to Dyson Technology Ltd. (Malmesbury, Great Britain).
"Valve" was invented by Matthew Graham Legg (Swindon, Great Britain).
According to the abstract* released by the U.S. Patent & Trademark Office: "There is provided a valve for a reversible heat pump system, including six ports and three flow paths for a refrigerant, the three flow paths being selectable between different pairs of the six ports, wherein: two of the three flow paths are non-restrictive flow paths; and one of the three flow paths is a restrictive flow path. There is also provided a reversible heat pump system, including: the valve; a compressor; a process heat exchanger having...