The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Date of Patent:
Jun. 30, 2020

Filed:

Sep. 01, 2016
Applicant:

Tokamak Energy Ltd, Oxfordshire, GB;

Inventors:

Charles Monroe, Gloucestershire, GB;

Paul Noonan, Oxfordshire, GB;

Assignee:

TOKAMAK ENERGY LTD, Abingdon Oxfordshire, GB;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01F 1/00 (2006.01); H01F 6/04 (2006.01); G21B 1/21 (2006.01); G21B 1/11 (2006.01); G21B 1/00 (2006.01); G01R 33/38 (2006.01);
U.S. Cl.
CPC ...
H01F 6/04 (2013.01); G01R 33/3804 (2013.01); G21B 1/00 (2013.01); G21B 1/11 (2013.01); G21B 1/21 (2013.01);
Abstract

A cooling system for use in a superconducting magnet comprising a high temperature superconductor, HTS, coil. The cooling system comprises a refrigeration unit, one or more coolant channels, and a pumping unit. The refrigeration unit is configured to cool a gas, wherein the gas is hydrogen or helium. The one or more coolant channels are configured to be placed in thermal contact with components of the superconducting magnet and to carry said gas. The pumping unit is configured to pump said gas through the coolant channels. The refrigeration unit and pumping unit are configured to maintain the gas at a pressure and temperature such that a Joule-Thompson coefficient of the gas is positive, and the coolant channel is configured to reduce the pressure of gas as it flows through the channel by one or more of a throttle, a valve, and choice and/or variance of a cross section of the coolant channel.


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