CRYOCOOLER AND MAGNETIC SHIELD

Number of patents in Portfolio can not be more than 2000

United States of America

APP PUB NO 20200027633A1
SERIAL NO

16584938

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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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 which is installed on the second-stage cooling stage and extends along the second-stage cylinder outside the second-stage cylinder. The magnetic shield is formed of a normal conductor and a product of an electrical conductivity in a temperature range of 10 K (Kelvin) or less and a thickness of the tubular magnetic shield is 60 MS (Mega-Siemens) to 1980 MS.

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Patent Owner(s)

  • SUMITOMO HEAVY INDUSTRIES LTD.

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
MATSUMURA, Yosuke Nishitokyo-shi, JP 3 0
MORIE, Takaaki Yokosuka-shi, JP 29 17
YOSHIDA, Jun Yokosuka-shi, JP 115 911

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