JP2008096097A - 超伝導マグネット冷却システム向けのサーマルスイッチ - Google Patents
超伝導マグネット冷却システム向けのサーマルスイッチ Download PDFInfo
- Publication number
- JP2008096097A JP2008096097A JP2007200391A JP2007200391A JP2008096097A JP 2008096097 A JP2008096097 A JP 2008096097A JP 2007200391 A JP2007200391 A JP 2007200391A JP 2007200391 A JP2007200391 A JP 2007200391A JP 2008096097 A JP2008096097 A JP 2008096097A
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- cryocooler
- end plate
- temperature
- working fluid
- cold mass
- Prior art date
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- 238000001816 cooling Methods 0.000 title description 8
- 239000012530 fluid Substances 0.000 claims abstract description 41
- 239000001307 helium Substances 0.000 claims description 7
- 229910052734 helium Inorganic materials 0.000 claims description 7
- SWQJXJOGLNCZEY-UHFFFAOYSA-N helium atom Chemical compound [He] SWQJXJOGLNCZEY-UHFFFAOYSA-N 0.000 claims description 7
- 238000009833 condensation Methods 0.000 claims description 5
- 230000005494 condensation Effects 0.000 claims description 5
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 4
- 238000009835 boiling Methods 0.000 claims description 3
- 230000005484 gravity Effects 0.000 claims description 3
- 239000001257 hydrogen Substances 0.000 claims description 2
- 229910052739 hydrogen Inorganic materials 0.000 claims description 2
- 229910052754 neon Inorganic materials 0.000 claims description 2
- GKAOGPIIYCISHV-UHFFFAOYSA-N neon atom Chemical compound [Ne] GKAOGPIIYCISHV-UHFFFAOYSA-N 0.000 claims description 2
- 229910052757 nitrogen Inorganic materials 0.000 claims description 2
- 125000004435 hydrogen atom Chemical class [H]* 0.000 claims 1
- 238000000034 method Methods 0.000 abstract description 11
- 238000012546 transfer Methods 0.000 description 14
- 239000007788 liquid Substances 0.000 description 10
- 230000008859 change Effects 0.000 description 9
- 239000007789 gas Substances 0.000 description 5
- 238000012423 maintenance Methods 0.000 description 4
- 238000001704 evaporation Methods 0.000 description 3
- 230000008020 evaporation Effects 0.000 description 3
- 238000002595 magnetic resonance imaging Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 2
- 238000005520 cutting process Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000005284 excitation Effects 0.000 description 2
- 230000000737 periodic effect Effects 0.000 description 2
- 230000008439 repair process Effects 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 1
- 229910001275 Niobium-titanium Inorganic materials 0.000 description 1
- 238000003491 array Methods 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 239000000284 extract Substances 0.000 description 1
- 238000003384 imaging method Methods 0.000 description 1
- 239000011810 insulating material Substances 0.000 description 1
- 230000002452 interceptive effect Effects 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 230000005415 magnetization Effects 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- RJSRQTFBFAJJIL-UHFFFAOYSA-N niobium titanium Chemical compound [Ti].[Nb] RJSRQTFBFAJJIL-UHFFFAOYSA-N 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000010791 quenching Methods 0.000 description 1
- 230000000171 quenching effect Effects 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
- 238000009834 vaporization Methods 0.000 description 1
- 230000008016 vaporization Effects 0.000 description 1
Images
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
- F25D19/00—Arrangement or mounting of refrigeration units with respect to devices or objects to be refrigerated, e.g. infrared detectors
- F25D19/006—Thermal coupling structure or interface
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
- F28D15/00—Heat-exchange apparatus with the intermediate heat-transfer medium in closed tubes passing into or through the conduit walls ; Heat-exchange apparatus employing intermediate heat-transfer medium or bodies
- F28D15/02—Heat-exchange apparatus with the intermediate heat-transfer medium in closed tubes passing into or through the conduit walls ; Heat-exchange apparatus employing intermediate heat-transfer medium or bodies in which the medium condenses and evaporates, e.g. heat pipes
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F6/00—Superconducting magnets; Superconducting coils
- H01F6/04—Cooling
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C2270/00—Applications
- F17C2270/05—Applications for industrial use
- F17C2270/0527—Superconductors
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/30—Hydrogen technology
- Y02E60/32—Hydrogen storage
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Power Engineering (AREA)
- Magnetic Resonance Imaging Apparatus (AREA)
Abstract
【解決手段】本発明は、MRシステムのクライオクーラ(74)をコールドマスリザーバ(72)から自動的に切断するための装置及び方法を提供する。クライオクーラ・サーマルリンク(76)は、クライオクーラ(74)と熱的に接続されるように構成された第1の端部プレート(84)と、コールドマス(72)と熱的に接続されるように構成された第2の端部プレート(88)と、を含む。第1の(84)と第2の端部プレート(88)の間の空間(80)を壁によって囲繞しており、この壁は第1の端部プレート(84)に取り付けられた第1の端部(82)と、第2の端部プレート(88)に取り付けられた第2の端部(86)と、を含む。この空間(80)内に作動流体(90)が位置決めされている。
【選択図】図2
Description
12 オペレータコンソール
13 キーボードその他の入力デバイス
14 制御パネル
16 表示画面
18 リンク
20 単独のコンピュータシステム
20a バックプレーン
22 画像プロセッサモジュール
24 CPUモジュール
26 メモリモジュール
28 ディスク記憶装置
30 取外し可能記憶装置
32 単独のシステム制御部
32a バックプレーン
34 高速シリアルリンク
36 CPUモジュール
38 パルス発生器モジュール
40 シリアルリンク
42 傾斜増幅器組
44 生理学的収集制御器
46 スキャン室インタフェース回路
48 患者位置決めシステム
50 傾斜コイルアセンブリ全体
52 マグネットアセンブリ
54 偏向マグネット
56 全身用RFコイル
58 送受信器モジュール
60 RF増幅器
62 送信/受信スイッチ
64 前置増幅器
66 メモリモジュール
68 アレイプロセッサ
70 冷却システム
72 コールドマス
74 クライオクーラ
76 サーマルリンク
78 サーマルバスバー
80 低熱伝導係数エンクロージャ
82 第1の端部
84 凝縮器プレート
86 第2の端部
88 蒸発器プレート
90 作動流体
92 流体蒸発
94 液体
96 蒸気
98 フロー
100 気体体積
Claims (10)
- クライオクーラ(74)と熱的に接続されるように構成された第1の端部プレート(84)と、
コールドマス(72)と熱的に接続されるように構成された第2の端部プレート(88)と、
前記第1の端部プレート(84)と前記第2の端部プレート(88)の間の空間(80)を囲繞している壁であって、第1の端部プレート(84)に取り付けられた第1の端部(82)及び第2の端部プレート(88)に取り付けられた第2の端部(86)とを有する壁と、
前記空間(80)内に位置決めされた作動流体(90)と、
を備えるクライオクーラ・サーマルリンク(76)。 - 前記第1の端部プレート(84)は前記第2の端部プレート(88)に対して重力方向で上側に位置決めされている、請求項1に記載のクライオクーラ・サーマルリンク。
- 前記第1の端部プレート(84)の温度は前記第2の端部プレート(88)の温度未満である、請求項2に記載のクライオクーラ・サーマルリンク。
- 前記第1の端部プレート(84)の温度は前記作動流体(90)の凝縮温度未満である、請求項3に記載のクライオクーラ・サーマルリンク。
- 前記第1の端部プレート(84)上に作動流体(90)の凝縮物を形成させて有する請求項4に記載のクライオクーラ・サーマルリンク。
- 前記第2の端部プレート(88)の温度は前記作動流体(90)の沸騰温度を超えている、請求項3に記載のクライオクーラ・サーマルリンク。
- 前記第1の端部プレート(84)の温度は前記第2の端部プレート(88)の温度を超えている、請求項2に記載のクライオクーラ・サーマルリンク。
- 前記作動流体(90)の温度は前記空間内で層別になっている、請求項7に記載のクライオクーラ・サーマルリンク。
- 前記空間(80)を囲繞している壁の熱伝導係数は前記第1の端部プレート(84)と前記第2の端部プレート(88)のうちの一方の熱伝導係数未満である、請求項1に記載のクライオクーラ・サーマルリンク。
- 前記作動流体(90)は、ヘリウム、水素、ネオン及び窒素のうちの1つである、請求項1に記載のクライオクーラ・サーマルリンク。
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US11/530,267 US20100242500A1 (en) | 2006-09-08 | 2006-09-08 | Thermal switch for superconducting magnet cooling system |
US11/530,267 | 2006-09-08 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2008096097A true JP2008096097A (ja) | 2008-04-24 |
JP5156292B2 JP5156292B2 (ja) | 2013-03-06 |
Family
ID=38640278
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2007200391A Expired - Fee Related JP5156292B2 (ja) | 2006-09-08 | 2007-08-01 | 超伝導マグネット冷却システム向けのサーマルスイッチ |
Country Status (5)
Country | Link |
---|---|
US (1) | US20100242500A1 (ja) |
JP (1) | JP5156292B2 (ja) |
CN (1) | CN101183591B (ja) |
DE (1) | DE102007040630A1 (ja) |
GB (1) | GB2441652B (ja) |
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2010144811A1 (en) * | 2009-06-11 | 2010-12-16 | Florida State University | Zero delta temperature thermal link |
GB2471705B (en) * | 2009-07-09 | 2011-07-27 | Siemens Magnet Technology Ltd | Methods and apparatus for storage of energy removed from superconducting magnets |
US9261295B1 (en) | 2012-03-26 | 2016-02-16 | Ball Aerospace & Technologies Corp. | Hybrid liquid-hydrogen and helium cryocooler systems and methods |
CN106847463A (zh) * | 2016-12-26 | 2017-06-13 | 中国电子科技集团公司第十六研究所 | 一种超导磁体用热开关 |
US10330754B2 (en) * | 2017-01-03 | 2019-06-25 | General Electric Company | Stator-less electric motor for a magnetic resonance imaging system and methods thereof |
US11035807B2 (en) * | 2018-03-07 | 2021-06-15 | General Electric Company | Thermal interposer for a cryogenic cooling system |
US20220404247A1 (en) * | 2021-06-21 | 2022-12-22 | Fei Company | Vibration-free cryogenic cooling |
Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS59189254A (ja) * | 1983-04-08 | 1984-10-26 | 岩谷産業株式会社 | 極低温サ−マルダンパ |
US4689970A (en) * | 1985-06-29 | 1987-09-01 | Kabushiki Kaisha Toshiba | Cryogenic apparatus |
JPH08128742A (ja) * | 1994-10-28 | 1996-05-21 | Toshiba Corp | 極低温装置 |
US5960868A (en) * | 1997-02-25 | 1999-10-05 | Kabushiki Kaisha Toshiba | Adiabatic apparatus |
JP2004183917A (ja) * | 2002-11-29 | 2004-07-02 | Sumitomo Heavy Ind Ltd | 極低温冷凍機 |
JP2004286414A (ja) * | 2003-03-25 | 2004-10-14 | Sumitomo Heavy Ind Ltd | 冷凍機用サーマルダンパ |
Family Cites Families (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3260055A (en) * | 1965-05-04 | 1966-07-12 | James E Webb | Automatic thermal switch |
US3430455A (en) * | 1967-04-17 | 1969-03-04 | 500 Inc | Thermal switch for cryogenic apparatus |
US4526015A (en) * | 1984-10-15 | 1985-07-02 | General Electric Company | Support for cryostat penetration tube |
US4771823A (en) * | 1987-08-20 | 1988-09-20 | The United States Of America As Represented By The Administrator Of The National Aeronautics And Space Administration | Self-actuating heat switches for redundant refrigeration systems |
US5113165A (en) * | 1990-08-03 | 1992-05-12 | General Electric Company | Superconductive magnet with thermal diode |
US5385010A (en) * | 1993-12-14 | 1995-01-31 | The United States Of America As Represented By The Secretary Of The Army | Cryogenic cooler system |
JP3285751B2 (ja) * | 1996-02-13 | 2002-05-27 | 三菱重工業株式会社 | 磁気冷凍機 |
US6173761B1 (en) * | 1996-05-16 | 2001-01-16 | Kabushiki Kaisha Toshiba | Cryogenic heat pipe |
JP3265358B2 (ja) * | 1998-05-20 | 2002-03-11 | 独立行政法人産業技術総合研究所 | アクティブ熱制御ヒ−トスイッチシステム |
US6959554B1 (en) * | 2001-07-10 | 2005-11-01 | The United States Of America As Represented By The Administrator Of The National Aeronautics And Space Administration | Passive gas-gap heat switch for adiabatic demagnetization refrigerator |
DE10234985A1 (de) * | 2002-07-31 | 2004-02-12 | Siemens Ag | Kryovorrichtung mit Thermosyphon-Kühlung |
GB0523161D0 (en) * | 2005-11-14 | 2005-12-21 | Oxford Instr Superconductivity | Cooling apparatus |
-
2006
- 2006-09-08 US US11/530,267 patent/US20100242500A1/en not_active Abandoned
-
2007
- 2007-08-01 JP JP2007200391A patent/JP5156292B2/ja not_active Expired - Fee Related
- 2007-08-27 DE DE102007040630A patent/DE102007040630A1/de not_active Withdrawn
- 2007-09-05 GB GB0717264.6A patent/GB2441652B/en not_active Expired - Fee Related
- 2007-09-07 CN CN2007101536105A patent/CN101183591B/zh not_active Expired - Fee Related
Patent Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS59189254A (ja) * | 1983-04-08 | 1984-10-26 | 岩谷産業株式会社 | 極低温サ−マルダンパ |
US4689970A (en) * | 1985-06-29 | 1987-09-01 | Kabushiki Kaisha Toshiba | Cryogenic apparatus |
JPH08128742A (ja) * | 1994-10-28 | 1996-05-21 | Toshiba Corp | 極低温装置 |
US5842348A (en) * | 1994-10-28 | 1998-12-01 | Kabushiki Kaisha Toshiba | Self-contained cooling apparatus for achieving cyrogenic temperatures |
US5960868A (en) * | 1997-02-25 | 1999-10-05 | Kabushiki Kaisha Toshiba | Adiabatic apparatus |
JP2004183917A (ja) * | 2002-11-29 | 2004-07-02 | Sumitomo Heavy Ind Ltd | 極低温冷凍機 |
JP2004286414A (ja) * | 2003-03-25 | 2004-10-14 | Sumitomo Heavy Ind Ltd | 冷凍機用サーマルダンパ |
Also Published As
Publication number | Publication date |
---|---|
CN101183591B (zh) | 2013-01-16 |
GB2441652A (en) | 2008-03-12 |
DE102007040630A1 (de) | 2008-03-27 |
US20100242500A1 (en) | 2010-09-30 |
JP5156292B2 (ja) | 2013-03-06 |
GB2441652B (en) | 2012-01-11 |
GB0717264D0 (en) | 2007-10-17 |
CN101183591A (zh) | 2008-05-21 |
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