ALEXANDRIA, Va., Nov. 18 -- United States Patent no. 12,472,800, issued on Nov. 18, was assigned to DAIKIN INDUSTRIES LTD. (Osaka, Japan).
"Refrigeration cycle device for vehicle" was invented by Ikuhiro Iwata (Osaka, Japan), Eiji Kumakura (Osaka, Japan), Tetsushi Tsuda (Osaka, Japan) and Shinjiro Domi (Osaka, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "A refrigeration cycle device for a vehicle includes a refrigerant circuit, in which a zeotropic refrigerant mixture is circulated, including a utilization heat exchanger including a first heat exchange portion and a second heat exchange portion disposed in series with the first heat exchange portion in a direction in which the zeotropic refrigerant m...