ALEXANDRIA, Va., Dec. 16 -- United States Patent no. 12,498,154, issued on Dec. 16, was assigned to MITSUBISHI HEAVY INDUSTRIES THERMAL SYSTEMS LTD. (Tokyo).
"Air purge device" was invented by Nobuki Oka (Tokyo), Ryo Kamito (Tokyo), Yoshiaki Ito (Tokyo), Taichi Yoshii (Tokyo), Tatsuo Ishiguro (Tokyo), Yoshie Togano (Tokyo), Norihisa Horaguchi (Tokyo), Masahiko Nagai (Tokyo) and Naoya Miyoshi (Tokyo).
According to the abstract* released by the U.S. Patent & Trademark Office: "An a purge device that includes an air purge pipe connected to a condenser and configured to extract a mixed gas containing a refrigerant gas and air from the condenser; a separation film provided to the air purge pipe and configured to separate, by a pressure differe...