Conductor and coolant systems for spiral-grooved stacked-plate non-insulated superconducting magnets.

The spiral-grooved stacked plate design with aligned coolant and conduction channels addresses structural integrity and quench issues in high-field superconducting magnets, enhancing mechanical strength and cooling efficiency.

JP7748384B2Active Publication Date: 2025-10-02MASSACHUSETTS INST OF TECH +1
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Patent Information

Application Number
JP2022557713
Authority / Receiving Office
JP · JP
Patent Type
Patents
Current Assignee / Owner
Priority Date
2020-05-20
Filing Date
2021-03-25
Publication Date
2025-10-02
Estimated Expiration
2041-03-25

AI Technical Summary

Technical Problem

High-field superconducting magnets face challenges with increased Lorentz loads and internal volumetric heating as size increases, leading to reduced structural integrity and quench damage, particularly in non-insulated designs.

Method used

A spiral-grooved stacked plate design with aligned coolant and conduction channels on opposing faces, creating a strong mechanical load path and efficient cooling without dedicated cold plates, using high temperature superconductors and conductive materials like copper.

Benefits of technology

Enhances mechanical strength, thermal stability, and cooling efficiency, preventing quench damage by aligning coolant and conduction channels, maintaining structural integrity and efficient cooling in large-diameter magnets.

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Abstract

A scheme for conductor and coolant arrangement in a stacked-plate superconducting magnet is described, which includes arranging coolant and conduction channels on opposing faces within the plates. When two types of channels are aligned with each other across the plate stack, the plates can be stacked so that the cooling channels in one plate are adjacent to the conduction channels of an adjacent plate. By stacking several of these plates, therefore, cooling can be supplied to each conduction channel through the cooling channels of each adjacent plate. Furthermore, by aligning the two types of channels, the plate stack can have improved mechanical strength because a mechanical load path can be created through the entire stack that does not pass through any of the channels. This arrangement of channels can produce a very strong stack of plates that can withstand high Lorentz loads.
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