US Patent Issued to SUM ITOMO HEAVY INDUSTRIES on Oct. 28 for "Cryocooler and magnetic shield" (Japanese Inventors)

ALEXANDRIA, Va., Oct. 28 -- United States Patent no. 12,456,566, issued on Oct. 28, was assigned to SUM ITOMO HEAVY INDUSTRIES LTD. (Tokyo).

"Cryocooler and magnetic shield" was invented by Yosuke Matsumura (Nishitokyo, Japan), Takaaki Morie (Yokosuka, Japan) and Jun Yoshida (Yokosuka, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "A cryocooler includes a second-stage cooling stage, a second cylinder which includes the second-stage cooling stage on a terminal of the second-stage cylinder, a second-stage displacer which includes a magnetic regenerator material and is accommodated in the second-stage cylinder so as to be able to reciprocate in the second-stage cylinder, and a tubular magnetic shield whic...