ALEXANDRIA, Va., June 17 -- United States Patent no. 12,311,737, issued on May 27, was assigned to SANDEN Corp. (Gunma, Japan).
"Air conditioning device for vehicle" was invented by Yoshiki Shibaoka (Gunma, Japan), Kouhei Yamashita (Gunma, Japan), Hongming Zhang (Gunma, Japan) and Kodai Matsuzaki (Gunma, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "A control device of a vehicle air-conditioning apparatus has an outside air heat absorption heating mode in which a refrigerant that has been discharged from a compressor and has dissipated heat in a heating unit absorbs heat in an outdoor heat exchanger, and a combined heating mode in which the refrigerant that has been discharged from the compressor and ...