US Patent Issued to DAIKIN INDUSTRIES on July 22 for "Refrigerant cycle system and method" (Japanese Inventors)

ALEXANDRIA, Va., July 23 -- United States Patent no. 12,366,392, issued on July 22, was assigned to DAIKIN INDUSTRIES LTD. (Osaka, Japan).

"Refrigerant cycle system and method" was invented by Ryuuta Ohura (Osaka, Japan) and Takuya Kotani (Osaka, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "An air conditioning apparatus includes utilization-side units each including a first refrigerant circuit, a heat source-side unit including a second refrigerant circuit, a connection pipe group, and a relay unit. The relay unit is disposed between the first refrigerant circuit and the second refrigerant circuit, and blocks a flammable refrigerant flowing through the connection pipe group. The utilization-side unit...