ALEXANDRIA, Va., June 4 -- United States Patent no. 12,319,128, issued on June 3, was assigned to HANON SYSTEMS (Daejeon, South Korea).
"Vehicular heat management system" was invented by Jun Min Lee (Daejeon, South Korea), Chul Hee Kim (Daejeon, South Korea) and Seon Ung Youn (Daejeon, South Korea).
According to the abstract* released by the U.S. Patent & Trademark Office: "A vehicular heat management system includes: a heat pump type refrigerant circulation line including a compressor, a high-pressure side indoor heat exchanger, a heat pump mode variable expansion valve, an outdoor heat exchanger, an air conditioner mode variable expansion valve, and a low-pressure side indoor heat exchanger; a cooling water circulation line configured t...