US Patent Issued to NIDEC on March 3 for "Coupling device and refrigerant circulation device" (Japanese Inventors)

ALEXANDRIA, Va., March 3 -- United States Patent no. 12,566,015, issued on March 3, was assigned to NIDEC Corp. (Kyoto, Japan).

"Coupling device and refrigerant circulation device" was invented by Taku Murakami (Kyoto, Japan), Hirotaka Watanabe (Kyoto, Japan) and Naoya Nonomura (Kyoto, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "A coupling device includes a first connection portion, a second connection portion, a tube portion, and a sealing portion. The first connection portion is connectable to an external socket or plug, and includes a first flow path through which a fluid flows. The second connection portion includes a first inner surface defining a second flow path continuous with the first flow...