JP7045523B2 - 低銅対超伝導ワイヤコイルのための高速クエンチ保護 - Google Patents
低銅対超伝導ワイヤコイルのための高速クエンチ保護 Download PDFInfo
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- JP7045523B2 JP7045523B2 JP2021520370A JP2021520370A JP7045523B2 JP 7045523 B2 JP7045523 B2 JP 7045523B2 JP 2021520370 A JP2021520370 A JP 2021520370A JP 2021520370 A JP2021520370 A JP 2021520370A JP 7045523 B2 JP7045523 B2 JP 7045523B2
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R33/00—Arrangements or instruments for measuring magnetic variables
- G01R33/20—Arrangements or instruments for measuring magnetic variables involving magnetic resonance
- G01R33/28—Details of apparatus provided for in groups G01R33/44 - G01R33/64
- G01R33/38—Systems for generation, homogenisation or stabilisation of the main or gradient magnetic field
- G01R33/3802—Manufacture or installation of magnet assemblies; Additional hardware for transportation or installation of the magnet assembly or for providing mechanical support to components of the magnet assembly
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R33/00—Arrangements or instruments for measuring magnetic variables
- G01R33/20—Arrangements or instruments for measuring magnetic variables involving magnetic resonance
- G01R33/28—Details of apparatus provided for in groups G01R33/44 - G01R33/64
- G01R33/38—Systems for generation, homogenisation or stabilisation of the main or gradient magnetic field
- G01R33/381—Systems for generation, homogenisation or stabilisation of the main or gradient magnetic field using electromagnets
- G01R33/3815—Systems for generation, homogenisation or stabilisation of the main or gradient magnetic field using electromagnets with superconducting coils, e.g. power supply therefor
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R33/00—Arrangements or instruments for measuring magnetic variables
- G01R33/20—Arrangements or instruments for measuring magnetic variables involving magnetic resonance
- G01R33/28—Details of apparatus provided for in groups G01R33/44 - G01R33/64
- G01R33/38—Systems for generation, homogenisation or stabilisation of the main or gradient magnetic field
- G01R33/385—Systems for generation, homogenisation or stabilisation of the main or gradient magnetic field using gradient magnetic field coils
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F6/00—Superconducting magnets; Superconducting coils
- H01F6/02—Quenching; Protection arrangements during quenching
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F6/00—Superconducting magnets; Superconducting coils
- H01F6/06—Coils, e.g. winding, insulating, terminating or casing arrangements therefor
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- Physics & Mathematics (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Electromagnetism (AREA)
- Magnetic Resonance Imaging Apparatus (AREA)
- Containers, Films, And Cooling For Superconductive Devices (AREA)
Description
Claims (11)
- 超伝導磁石であって、
超伝導電流を流すときに軸方向に配向される磁場を生成するためのソレノイドとして巻かれる超伝導磁石巻線と、
前記軸方向に沿って前記超伝導磁石巻線を横切る長軸を有する超伝導ループと
を有し、
前記超伝導ループは、前記軸方向に沿って前記超伝導磁石巻線の交差部において前記超伝導磁石巻線と熱的に接続され、
前記超伝導ループは、前記超伝導磁石巻線と電気的に接続されて、前記超伝導磁石巻線によって運ばれる前記超伝導電流を運び、
前記超伝導ループは、前記超伝導磁石巻線及び前記超伝導ループを覆うエポキシによって、前記軸方向に沿って、前記超伝導磁石巻線の前記交差部において、前記超伝導磁石巻線と熱的に接続される、
超伝導磁石。 - 前記超伝導ループは、前記長軸に沿って延在する2本の長手方向ワイヤを有し、前記2本の長手方向ワイヤは、互いに接触している、請求項1に記載の超伝導磁石。
- 前記超伝導ループは、前記超伝導磁石巻線の外面の前記ソレノイドの外側に配置される、請求項1乃至2の何れか一項に記載の超伝導磁石。
- 前記超伝導ループは、前記超伝導磁石巻線の内面の前記ソレノイドの内側に配置される、請求項1乃至2の何れか一項に記載の超伝導磁石。
- 前記超伝導ループは、
前記超伝導磁石巻線の外面上の前記ソレノイドの外側に配置される外側超伝導ループと、
前記超伝導磁石巻線の内面上の前記ソレノイドの内側に配置される内側超伝導ループと
を含む、請求項1乃至2の何れか一項に記載の超伝導磁石。 - 前記超伝導磁石巻線は超伝導ワイヤで作られ、
前記超伝導ループは前記超伝導磁石巻線と同じ材料の超伝導ワイヤで作られている、
請求項1乃至5の何れか一項に記載の超伝導磁石。 - 前記超伝導磁石巻線は、4又はそれより低い銅対超伝導体比で銅及び超伝導体を有する超伝導ワイヤから構成される、請求項1乃至6の何れか一項に記載の超伝導磁石。
- 請求項1乃至7の何れか一項に記載の超伝導磁石と、
前記超伝導磁石巻線によって生成される磁場に磁場傾斜を重畳するように構成される磁場傾斜コイルと
を有する、磁気共鳴撮像システム 。 - 請求項1乃至7の何れか一項に記載の超電導磁石に対するクエンチ方法であって、
前記超伝導磁石巻線内、及び前記超伝導ループ内の超伝導電流を導通するステップと、
前記超伝導磁石巻線を介して前記超伝導磁石巻線に沿って、及び前記超伝導ループを介して前記ソレノイド軸に沿って、前記超伝導磁石巻線内で同時に開始されるクエンチを伝搬させるステップと
を有する、クエンチ方法。 - 前記伝搬させるステップは、前記超伝導ループ及び前記超伝導磁石巻線の巻線交差部において、前記超伝導磁石巻線と前記超伝導ループとの間で熱を伝達させるステップを含む、請求項9に記載のクエンチ方法。
- 前記超伝導ループは、前記超伝導磁石巻線と電気的に接続される、請求項9乃至10の何れか一項に記載のクエンチ方法。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US201862747745P | 2018-10-19 | 2018-10-19 | |
US62/747,745 | 2018-10-19 | ||
PCT/EP2019/078401 WO2020079238A1 (en) | 2018-10-19 | 2019-10-18 | Fast quench protection for low copper to superconducting wire coils |
Publications (3)
Publication Number | Publication Date |
---|---|
JP2021534924A JP2021534924A (ja) | 2021-12-16 |
JP7045523B2 true JP7045523B2 (ja) | 2022-03-31 |
JP7045523B6 JP7045523B6 (ja) | 2022-06-01 |
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Application Number | Title | Priority Date | Filing Date |
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JP2021520370A Active JP7045523B6 (ja) | 2018-10-19 | 2019-10-18 | 低銅対超伝導ワイヤコイルのための高速クエンチ保護 |
Country Status (5)
Country | Link |
---|---|
US (1) | US20210349165A1 (ja) |
EP (1) | EP3867931B1 (ja) |
JP (1) | JP7045523B6 (ja) |
CN (2) | CN116779276A (ja) |
WO (1) | WO2020079238A1 (ja) |
Citations (2)
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US20110069418A1 (en) | 2009-09-23 | 2011-03-24 | General Electric Company | Passive quench protection circuit for superconducting magnets |
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2019
- 2019-10-18 CN CN202310931430.4A patent/CN116779276A/zh active Pending
- 2019-10-18 US US17/286,196 patent/US20210349165A1/en active Pending
- 2019-10-18 WO PCT/EP2019/078401 patent/WO2020079238A1/en unknown
- 2019-10-18 JP JP2021520370A patent/JP7045523B6/ja active Active
- 2019-10-18 EP EP19790516.9A patent/EP3867931B1/en active Active
- 2019-10-18 CN CN201980069046.XA patent/CN112868072B/zh active Active
Patent Citations (2)
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JP2000500286A (ja) | 1995-11-08 | 2000-01-11 | インターマグネティックス ゼネラル コーポレーション | ハイブリッド高磁場超伝導磁石組立体とその製法 |
US20110069418A1 (en) | 2009-09-23 | 2011-03-24 | General Electric Company | Passive quench protection circuit for superconducting magnets |
Also Published As
Publication number | Publication date |
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CN112868072A (zh) | 2021-05-28 |
EP3867931A1 (en) | 2021-08-25 |
JP2021534924A (ja) | 2021-12-16 |
CN116779276A (zh) | 2023-09-19 |
JP7045523B6 (ja) | 2022-06-01 |
CN112868072B (zh) | 2023-07-28 |
WO2020079238A1 (en) | 2020-04-23 |
EP3867931B1 (en) | 2023-05-31 |
US20210349165A1 (en) | 2021-11-11 |
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