Massachusetts Institute of Technology

Commonwealth Fusion Systems LLC

Rui Vieira

William Beck

James Irby

Zachary S Hartwig

John D Wright

Philip Michael

Brandon N Sorbom

Robert Mumgaard

Daniel Brunner

Brian Labombard

Martin Greenwald

Robert S Granetz

Lihua Zhou

Jeffrey Doody

Alexey L Radovinsky

Alexey Radovinsky

Shunichi Shiraiwa

Syun'ichi Shiraiwa

William Patrick Burke

Vincent Fry

Christopher Craighill

Amanda Hubbard

Richard Murray

Andrew Pfeiffer

Thomas Toland

Jose Estrada

Colin O'shea

Sera Evcimen

Richard C Leccacorvi

Described herein are concepts, system and techniques which provide a means to construct robust high-field superconducting magnets using simple fabrication techniques and modular components that scale well toward commercialization. The resulting magnet assembly—which utilizes non-insulated, high temperature superconducting tapes (HTS) and provides for optimized coolant pathways—is inherently strong structurally, which enables maximum utilization of the high magnetic fields available with HTS technology. In addition, the concepts described herein provide for control of quench-induced current distributions within the tape stack and surrounding superstructure to safely dissipate quench energy, while at the same time obtaining acceptable magnet charge time. The net result is a structurally and thermally robust, high-field magnet assembly that is passively protected against quench fault conditions.

Grooved, stacked-plate superconducting magnets and electrically conductive terminal blocks and related construction techniques

An electrical joint includes a conductive member having a first mounting region configured to connect to a first conductor and a second mounting region configured to connect to a second conductor, wherein the first conductor comprises a cable and a superconducting material within the conductive member and configured to conduct a current between the first and second mounting regions. Also described is a method of forming an electrical joint, comprising forming a conductive member having a first mounting region configured to connect to a first conductor and a second mounting region configured to connect to a second conductor, wherein the first conductor comprises a cable and a superconducting material within the conductive member and configured to conduct a current between the first and second mounting regions.

Superconducting cable joint and related techniques

Described is a partitioned cable joint comprising a plurality of physically distributed joint elements with the plurality of joint elements taken together defining a joint length. Joint elements may have a first mounting region having a shape selected to accept one petal of superconducting cable and a second mounting region having a shape selected to accept one petal of a second conductor.

Partitioned cable joint for superconducting cables

Techniques described herein relate to systems and methods for obtaining a high temperature superconducting (HTS) cable assembly and filling the HTS cable assembly with a molten metal, such as solder.

Processes, systems and devices for metal filling of high temperature superconductor cables

Described herein are concepts, system and techniques which provide a means to construct robust high-field superconducting magnets using simple fabrication techniques and modular components that scale well toward commercialization. The resulting magnet assembly&#x2014;which utilizes non-insulated, high temperature superconducting tapes (HTS) and provides for optimized coolant pathways&#x2014;is inherently strong structurally, which enables maximum utilization of the high magnetic fields available with HTS technology. In addition, the concepts described herein provide for control of quench-induced current distributions within the tape stack and surrounding superstructure to safely dissipate quench energy, while at the same time obtaining acceptable magnet charge time. The net result is a structurally and thermally robust, high-field magnet assembly that is passively protected against quench fault conditions.

Grooved, stacked-plate superconducting magnets and electrically conductive terminal blocks

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Billerica, MA, United States of America

Rui Vieira