US Patent Issued to DAIKIN INDUSTRIES on May 27 for "Plate-type refrigerant pipe and refrigeration apparatus" (Japanese Inventors)

ALEXANDRIA, Va., June 17 -- United States Patent no. 12,313,311, issued on May 27, was assigned to DAIKIN INDUSTRIES LTD. (Osaka, Japan).

"Plate-type refrigerant pipe and refrigeration apparatus" was invented by Asahi Ohno (Osaka, Japan), Fumiaki Koike (Osaka, Japan), Masanori Jindou (Osaka, Japan) and Ayumi Komaki (Osaka, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "A plate-type refrigerant pipe includes: a first plate; and a second plate. The first plate and the second plate are joined to form a refrigerant flow path. The first plate includes a first recessed groove that forms at least part of the refrigerant flow path and that has an arc shape in a cross section of the refrigerant flow path. A cen...