US Patent Issued to DAIKIN INDUSTRIES on Feb. 18 for "Cascade unit and refrigeration system" (Japanese Inventors)

ALEXANDRIA, Va., Feb. 19 -- United States Patent no. 12,228,322, issued on Feb. 18, was assigned to DAIKIN INDUSTRIES LTD. (Osaka, Japan).

"Cascade unit and refrigeration system" was invented by Kumiko Saeki (Osaka, Japan), Yuta Iyoshi (Osaka, Japan) and Yoshiki Yamanoi (Osaka, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "A cascade unit is a cascade unit of a refrigeration system including a first circuit, a second circuit, and a cascade heat exchanger. The first circuit includes a first connecting portion that connects a first pipe and a second pipe extending from the cascade heat exchanger, of the first pipe and the second pipe connecting a first heat exchanger and the cascade heat exchanger), to t...