JP5833284B2 - 冷却装置 - Google Patents
冷却装置 Download PDFInfo
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- JP5833284B2 JP5833284B2 JP2007066361A JP2007066361A JP5833284B2 JP 5833284 B2 JP5833284 B2 JP 5833284B2 JP 2007066361 A JP2007066361 A JP 2007066361A JP 2007066361 A JP2007066361 A JP 2007066361A JP 5833284 B2 JP5833284 B2 JP 5833284B2
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- cryogenic
- gas
- vessel
- refrigerator
- liquefied
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- 238000001816 cooling Methods 0.000 title claims description 28
- 239000007789 gas Substances 0.000 claims description 75
- 239000001307 helium Substances 0.000 claims description 24
- 229910052734 helium Inorganic materials 0.000 claims description 24
- SWQJXJOGLNCZEY-UHFFFAOYSA-N helium atom Chemical compound [He] SWQJXJOGLNCZEY-UHFFFAOYSA-N 0.000 claims description 24
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 8
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 claims description 4
- 229910052757 nitrogen Inorganic materials 0.000 claims description 4
- 229910052754 neon Inorganic materials 0.000 claims description 3
- GKAOGPIIYCISHV-UHFFFAOYSA-N neon atom Chemical compound [Ne] GKAOGPIIYCISHV-UHFFFAOYSA-N 0.000 claims description 3
- 229910052786 argon Inorganic materials 0.000 claims description 2
- 239000001257 hydrogen Substances 0.000 claims description 2
- 229910052739 hydrogen Inorganic materials 0.000 claims description 2
- 230000002093 peripheral effect Effects 0.000 claims description 2
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 claims 1
- 239000007788 liquid Substances 0.000 description 38
- 238000010791 quenching Methods 0.000 description 18
- 239000003507 refrigerant Substances 0.000 description 18
- 230000000171 quenching effect Effects 0.000 description 9
- 238000005481 NMR spectroscopy Methods 0.000 description 4
- 238000009835 boiling Methods 0.000 description 4
- 238000013421 nuclear magnetic resonance imaging Methods 0.000 description 4
- 239000000463 material Substances 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 238000001704 evaporation Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000005057 refrigeration Methods 0.000 description 2
- 238000003860 storage Methods 0.000 description 2
- 238000007792 addition Methods 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 239000000112 cooling gas Substances 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 125000004435 hydrogen atom Chemical class [H]* 0.000 description 1
- 238000003384 imaging method Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000011344 liquid material Substances 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 125000006850 spacer group Chemical group 0.000 description 1
- 239000002887 superconductor Substances 0.000 description 1
- 230000007704 transition 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
- F25D3/00—Devices using other cold materials; Devices using cold-storage bodies
- F25D3/10—Devices using other cold materials; Devices using cold-storage bodies using liquefied gases, e.g. liquid air
-
- 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
-
- 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
- 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
- F25D2400/00—General features of, or devices for refrigerators, cold rooms, ice-boxes, or for cooling or freezing apparatus not covered by any other subclass
- F25D2400/02—Refrigerators including a heater
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Physics & Mathematics (AREA)
- Mechanical Engineering (AREA)
- Thermal Sciences (AREA)
- General Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Containers, Films, And Cooling For Superconductive Devices (AREA)
Description
なくなるので、輸送中に磁石を低温に維持するために、例えば、出願中の英国特許出願0515936.3に記載されているような冷凍窒素を入れたタンクなどの特別な解決策が必要である。
12 冷凍機
14 ヒータ
16 循環(対流)
Claims (9)
- 環状中空円筒形であってその円筒中心軸が水平な極低温容器(10)の内部に収容された超伝導磁石を極低温に冷却する装置であって、
前記極低温容器(10)の内部を満たす極低温ガスと、
前記極低温容器(10)の外周部に配設され、かつ前記極低温ガスを冷却するために前記極低温容器(10)の内側にさらされた冷却面を有する冷凍機(12)と、
前記極低温容器内で前記極低温ガスを熱対流により自然循環させるように構成されており、極低温容器内に、液化された極低温ガスが、液化されていない極低温ガスと熱平衡状態で前記超伝導磁石と接触しない状態に供給され、かつ、前記液化されていない極低温ガスが、前記循環の際に冷凍機によって冷却されることにより凝縮され、さらに、前記液化されていない極低温ガスが、前記超伝導磁石からの熱によって加熱され、前記極低温ガスの循環により前記超伝導磁石が極低温に冷却されるように構成されたガス流発生器と、を有することを特徴とする装置。 - ガス流発生器がファンを有することを特徴とする請求項1に記載の装置。
- ガス流発生器が、前記極低温容器(10)内で前記極低温ガスを熱対流(16)によって循環させるためのヒータ(14)を有することを特徴とする請求項1又は請求項2に記載の装置。
- ヒータ(14)が前記極低温容器(10)の内部に設けられ、前記ヒータ(14)と前記冷凍機(12)とは、前記極低温容器(10)の円筒中心軸と直交する環状面を二等分して垂直方向に延びる中心線(AA)の両側に別れて対向配置され、さらに前記冷凍機が前記垂直方向において前記ヒータより高い位置に配置されたことを特徴とする請求項3に記載の装置。
- 環状中空円筒形であってその円筒中心軸が水平な極低温容器(10)の内部に収容された超伝導磁石を極低温に冷却する装置であって、
前記極低温容器(10)の内部を満たす極低温ガスと、
前記極低温ガスを冷却するために前記極低温容器(10)の内側にさらされた冷却面を有し、極低温容器内で熱対流(16)によって極低温ガスを自然循環させるように前記極低温容器(10)の外周部上方に配設された冷凍機(12)であって、前記極低温容器内に、液化された極低温ガスが、液化されていない極低温ガスと熱平衡状態で超伝導磁石と接触しない状態に供給され、かつ、前記液化されていない極低温ガスが、前記循環の際に冷凍機によって冷却されることにより凝縮され、さらに、前記液化されていない極低温ガスが、前記超伝導磁石からの熱によって加熱され、前記極低温ガスの循環により超伝導磁石が極低温に冷却されるように構成された冷凍機(12)と、を有することを特徴とする装置。 - 極低温容器内に、極低温ガスの前記熱対流(16)による循環をさらに促進するためのヒータ(14)を有することを特徴とする請求項5に記載の装置。
- 前記ヒータ(14)と前記冷凍機(12)とは、前記極低温容器(10)の円筒中心軸と直交する環状面を二等分して垂直方向に延びる中心線(AA)の両側に別れて対向配置され、さらに前記冷凍機が前記垂直方向において前記ヒータより高い位置に配置されたことを特徴とする請求項6に記載の装置。
- 極低温ガスが、ヘリウム、窒素、アルゴン、水素及びネオンの少なくとも1つを含むことを特徴とする請求項1から7のいずれか1項に記載の装置。
- 極低温ガスがヘリウムを含むことを特徴とする請求項8に記載の装置。
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GBGB0605353.2A GB0605353D0 (en) | 2006-03-17 | 2006-03-17 | Apparatus For Cooling |
GB0605353.2 | 2006-03-17 | ||
GB0610733.8 | 2006-06-01 | ||
GB0610733A GB2436136B (en) | 2006-03-17 | 2006-06-01 | Apparatus for cooling |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2007271254A JP2007271254A (ja) | 2007-10-18 |
JP5833284B2 true JP5833284B2 (ja) | 2015-12-16 |
Family
ID=38516321
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2007066361A Active JP5833284B2 (ja) | 2006-03-17 | 2007-03-15 | 冷却装置 |
Country Status (2)
Country | Link |
---|---|
US (1) | US7832216B2 (ja) |
JP (1) | JP5833284B2 (ja) |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US8726489B2 (en) | 2009-06-11 | 2014-05-20 | Hitachi Medical Corporation | Adjustment method of a magnetic resonance imaging apparatus |
US8729894B2 (en) * | 2010-07-30 | 2014-05-20 | General Electric Company | System and method for operating a magnetic resonance imaging system during ramping |
JP6534348B2 (ja) | 2012-07-26 | 2019-06-26 | スミトモ (エスエイチアイ) クライオジェニックス オブ アメリカ インコーポレイテッドSumitomo(SHI)Cryogenics of America,Inc. | ブレイトンサイクル冷却装置 |
GB2524185B (en) | 2013-01-11 | 2019-04-17 | Sumitomo Shi Cryogenics Of America Inc | MRI cool down apparatus |
CN107850351B (zh) | 2015-06-03 | 2020-08-07 | 住友(Shi)美国低温研究有限公司 | 具有缓冲器的气体平衡发动机 |
CA3047912C (en) * | 2016-12-20 | 2021-08-03 | Sumitomo (Shi) Cryogenics Of America, Inc. | System for warming-up and cooling-down a superconducting magnet |
Family Cites Families (17)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5495060A (en) * | 1978-01-13 | 1979-07-27 | Gasukon Kk | Quickkrefrigeration plant that use liquid nitrogen |
US4745771A (en) * | 1983-08-23 | 1988-05-24 | Board Of Regents, The University Of Texas System | Apparatus and method for cryopreparing biological tissue for ultrastructural analysis |
JPS6343649A (ja) * | 1986-08-08 | 1988-02-24 | 株式会社日立メディコ | 核磁気共鳴イメ−ジング装置 |
US4726195A (en) * | 1986-08-22 | 1988-02-23 | Air Products And Chemicals, Inc. | Cryogenic forced convection refrigerating system |
US4918928A (en) * | 1987-12-17 | 1990-04-24 | Kabushiki Kaisha Kobe Seikosho | Apparatus for testing IC devices at low temperature and cooling bag for use in testing IC devices at low temperature |
JPH024176A (ja) * | 1988-06-13 | 1990-01-09 | Mitsubishi Electric Corp | 冷凍装置 |
JPH0261478A (ja) * | 1988-08-26 | 1990-03-01 | Mitsubishi Electric Corp | 極低温冷凍装置 |
US5174122A (en) * | 1989-10-02 | 1992-12-29 | Applied Cryogenics, Inc. | Method and means of low temperature treatment of items and materials with cryogenic liquid |
JPH06185844A (ja) | 1992-08-19 | 1994-07-08 | Japan Atom Energy Res Inst | 予冷装置一体型超電導マグネット用クライオスタット |
US5461873A (en) * | 1993-09-23 | 1995-10-31 | Apd Cryogenics Inc. | Means and apparatus for convectively cooling a superconducting magnet |
JP3524607B2 (ja) * | 1995-01-09 | 2004-05-10 | 株式会社日立メディコ | 磁気共鳴イメージング装置用磁場発生コイル及びこれを用いた磁気共鳴イメージング装置 |
JPH1092629A (ja) * | 1996-09-13 | 1998-04-10 | Toshiba Corp | 超電導コイル装置およびその製造方法 |
US5960636A (en) | 1997-11-14 | 1999-10-05 | Air Products And Chemicals, Inc. | Method and apparatus for precooling a mass prior to immersion in a cryogenic liquid |
JP3930210B2 (ja) * | 1999-11-11 | 2007-06-13 | 株式会社東芝 | 超電導磁石 |
JP4177740B2 (ja) * | 2003-10-10 | 2008-11-05 | 株式会社日立製作所 | Mri用超電導磁石 |
DE102004034729B4 (de) * | 2004-07-17 | 2006-12-07 | Bruker Biospin Ag | Kryostatanordnung mit Kryokühler und Gasspaltwärmeübertrager |
DE102004037172B4 (de) * | 2004-07-30 | 2006-08-24 | Bruker Biospin Ag | Kryostatanordnung |
-
2007
- 2007-03-15 JP JP2007066361A patent/JP5833284B2/ja active Active
- 2007-03-16 US US11/723,165 patent/US7832216B2/en active Active
Also Published As
Publication number | Publication date |
---|---|
JP2007271254A (ja) | 2007-10-18 |
US7832216B2 (en) | 2010-11-16 |
US20070214821A1 (en) | 2007-09-20 |
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