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.
Patent No.:
Date of Patent:
Sep. 29, 2026
Filed:
Nov. 25, 2022
Tokamak Energy Ltd, Oxfordshire, GB;
Robert Slade, Oxfordshire, GB;
Rod Bateman, Oxfordshire, GB;
Greg Brittles, Oxfordshire, GB;
Matthew Bristow, Oxfordshire, GB;
Jeroen Van Nugteren, Oxfordshire, GB;
Base Van Nugteren, Oxfordshire, GB;
Tokamak Energy Ltd, Oxfordshire, GB;
Abstract
A method of energizing or de-energizing a high temperature superconducting, HTS, coil, from an initial transport current to a final transport current. The HTS coil includes a plurality of turns of HTS material. A transport current is supplied to the HTS coil, starting at the initial transport current and varying over time to the final transport current. Cooling is applied to the HTS coil. An operating condition of the HTS coil is monitored, which is indicative of a ratio I/Iof transport current, I, to critical current, I, of the HTS material in part of the HTS coil. The transport current applied to the coil and/or a net cooling applied to the coil are controlled in a feedback loop responsive to the operating condition, to maintain the operating condition in a desired range during energisation or de-energisation, such that the ratio I/Iis maintained above a threshold (e.g. 0.7).