JP2006046897A - クライオスタット構造 - Google Patents
クライオスタット構造 Download PDFInfo
- Publication number
- JP2006046897A JP2006046897A JP2005220786A JP2005220786A JP2006046897A JP 2006046897 A JP2006046897 A JP 2006046897A JP 2005220786 A JP2005220786 A JP 2005220786A JP 2005220786 A JP2005220786 A JP 2005220786A JP 2006046897 A JP2006046897 A JP 2006046897A
- Authority
- JP
- Japan
- Prior art keywords
- tube
- cold
- helium
- structure according
- cryostat structure
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 239000001307 helium Substances 0.000 claims abstract description 59
- 229910052734 helium Inorganic materials 0.000 claims abstract description 59
- SWQJXJOGLNCZEY-UHFFFAOYSA-N helium atom Chemical compound [He] SWQJXJOGLNCZEY-UHFFFAOYSA-N 0.000 claims abstract description 59
- 239000000725 suspension Substances 0.000 claims abstract description 42
- 239000007789 gas Substances 0.000 claims abstract description 41
- IJGRMHOSHXDMSA-UHFFFAOYSA-N nitrogen Substances N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 35
- 229910052757 nitrogen Inorganic materials 0.000 claims description 18
- 230000005855 radiation Effects 0.000 claims description 16
- 238000005481 NMR spectroscopy Methods 0.000 claims description 10
- 239000007788 liquid Substances 0.000 claims description 8
- 239000011810 insulating material Substances 0.000 claims description 5
- 238000002595 magnetic resonance imaging Methods 0.000 claims description 5
- 239000000463 material Substances 0.000 claims description 2
- QJGQUHMNIGDVPM-UHFFFAOYSA-N nitrogen group Chemical group [N] QJGQUHMNIGDVPM-UHFFFAOYSA-N 0.000 claims 1
- 238000001704 evaporation Methods 0.000 abstract description 2
- 238000001816 cooling Methods 0.000 description 14
- 230000008901 benefit Effects 0.000 description 4
- 238000009413 insulation Methods 0.000 description 4
- 238000000926 separation method Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 2
- 239000003507 refrigerant Substances 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 239000007791 liquid phase Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 201000009240 nasopharyngitis Diseases 0.000 description 1
- 238000005057 refrigeration Methods 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
- F25D19/00—Arrangement or mounting of refrigeration units with respect to devices or objects to be refrigerated, e.g. infrared detectors
-
- 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
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B9/00—Compression machines, plants or systems, in which the refrigerant is air or other gas of low boiling point
- F25B9/14—Compression machines, plants or systems, in which the refrigerant is air or other gas of low boiling point characterised by the cycle used, e.g. Stirling cycle
- F25B9/145—Compression machines, plants or systems, in which the refrigerant is air or other gas of low boiling point characterised by the cycle used, e.g. Stirling cycle pulse-tube cycle
-
- 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
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B2309/00—Gas cycle refrigeration machines
- F25B2309/14—Compression machines, plants or systems characterised by the cycle used
- F25B2309/1408—Pulse-tube cycles with pulse tube having U-turn or L-turn type geometrical arrangements
-
- 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
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B2400/00—General features or devices for refrigeration machines, plants or systems, combined heating and refrigeration systems or heat-pump systems, i.e. not limited to a particular subgroup of F25B
- F25B2400/17—Re-condensers
-
- 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
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B9/00—Compression machines, plants or systems, in which the refrigerant is air or other gas of low boiling point
- F25B9/10—Compression machines, plants or systems, in which the refrigerant is air or other gas of low boiling point with several cooling stages
-
- 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
Abstract
【解決手段】クライオスタット構造はサスペンションチューブ(2)の暖端とヘリウムガスが通流可能なネックチューブ(5)の暖端との直接接続(8)によりガス流が自動的に発生し、このガス流はコールドヘッド(6)の冷端での吸引作用により生起すると共に維持される。それにより、蒸発ガスがサスペンションチューブ(2)の壁を冷却し、サスペンションチューブ(2)を介するヘリウム容器(1)への入熱が無くなる。ガスは加熱されて流出し、コールドヘッドの室温フランジ(13)でネックチューブに再び流入する。ネックチューブ上で冷却されて最終的には第2コールドステージ(15)で液化される。
【選択図】図1
Description
2 サスペンションチューブ
3 外側ジャケット
4 放射シールド
5 ネックチューブ
6 極低温冷凍機のコールドヘッド
7 真空チャンバ
8 管路
9 ネックチューブの暖端
10 ガス流
11 コールドヘッドの冷端
12 サスペンションチューブの壁
13 室温フランジ
14 コールドヘッドのチューブ
15 コールドヘッドの第2コールドステージ
16 断熱材
17 コールドヘッドの第1コールドステージ
18 ネックチューブの壁
19 ギャップ
20 窒素容器
21 低温接触面
22 バルブ
23 ポンプ
24 液体ヘリウム内のヒータ
25 液体窒素内のヒータ
26 磁石装置
Claims (14)
- 液体ヘリウムを保持するクライオスタット構造であって、
外側ジャケットと、
前記外側ジャケット内に配置されたヘリウム容器と、
前記ヘリウム容器と前記外側ジャケットとの間に接続された少なくとも2つのサスペンションチューブと、
前記外側ジャケットに接続された上方暖端および前記ヘリウム容器に接続された下方冷端を有し、前記外側ジャケット、前記ヘリウム容器および前記サスペンションチューブと共に真空スペースを画定するネックチューブと、
前記ネックチューブ内に配置される多段極低温冷凍機のコールドヘッドと、
前記ヘリウム容器を包囲し、また、前記サスペンションチューブ及び前記ネックチューブに熱伝導可能に接続された放射シールドと、
前記ネックチューブの暖端と前記サスペンションチューブの暖端との間に配置され、ヘリウムを通流可能とする構成および大きさを有する直接接続手段と
を備えるクライオスタット構造。 - 前記極低温冷凍機がパルスチューブ冷凍機である請求項1記載のクライオスタット構造。
- 前記極低温冷凍機のコールドヘッドの最冷コールドステージでヘリウムを4.2K以下の温度で液化することができる請求項1又は2に記載のクライオスタット構造。
- 前記コールドヘッドが断熱材で包囲されたチューブを含み、前記チューブは第1コールドステージ上に配置されまた可能であれば更なるコールドステージ領域にも配置される請求項1乃至3のいずれか1項に記載のクライオスタット構造。
- 前記断熱材およびネックチューブの壁が、ガスが通流可能なギャップ又はチャネルを画成する請求項4に記載のクライオスタット構造。
- 前記ネックチューブが、薄い壁を有し及び又はベロー状に設計され、低熱伝導率材料からなる請求項1乃至5のいずれか1項に記載のクライオスタット構造。
- 前記ヘリウム容器内に配置され又は前記ヘリウム容器と接触して配置された好ましくは電気式のヒータを更に備える請求項1乃至6のいずれか1項に記載のクライオスタット構造。
- 前記コールドヘッドの、最冷コールドステージでない1つ以上のコールドステージが1つ以上の放射シールドと熱伝導可能に接続されている請求項1乃至7のいずれか1項に記載のクライオスタット構造。
- 前記放射シールドは、前記極低温冷凍機の前記コールドヘッドに熱伝導可能に接続された液体窒素の容器を含み、蒸発した窒素が前記極低温冷凍機の前記コールドヘッドによって少なくとも部分的に再液化される請求項1乃至8のいずれか1項に記載のクライオスタット構造。
- 前記窒素容器内に配置され又は前記窒素容器と接触して配置された好ましくは電気式の第2のヒータを備える請求項9記載のクライオスタット構造。
- 前記サスペンションチューブと前記ネックチューブとの間で前記接続手段に配置されたガス流量制御バルブを更に備える請求項1乃至10のいずれか1項に記載のクライオスタット構造。
- 前記サスペンションチューブと前記ネックチューブとの間で前記接続手段に配置された可変循環ポンプを更に備える請求項1乃至11のいずれか1項に記載のクライオスタット構造。
- 超伝導磁石装置を含む請求項1乃至12のいずれか1項に記載のクライオスタット構造。
- 前記超伝導磁石装置が、磁気共鳴装置、磁気共鳴画像(MRI)装置または核磁気共鳴分光(NMR)装置の一部である請求項13に記載のクライオスタット構造。
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102004037172A DE102004037172B4 (de) | 2004-07-30 | 2004-07-30 | Kryostatanordnung |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2006046897A true JP2006046897A (ja) | 2006-02-16 |
JP3996935B2 JP3996935B2 (ja) | 2007-10-24 |
Family
ID=35457012
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2005220786A Expired - Fee Related JP3996935B2 (ja) | 2004-07-30 | 2005-07-29 | クライオスタット構造 |
Country Status (4)
Country | Link |
---|---|
US (1) | US20060021355A1 (ja) |
EP (1) | EP1628109B1 (ja) |
JP (1) | JP3996935B2 (ja) |
DE (1) | DE102004037172B4 (ja) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2007271254A (ja) * | 2006-03-17 | 2007-10-18 | Siemens Magnet Technology Ltd | 冷却装置 |
Families Citing this family (35)
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GB0424725D0 (en) * | 2004-11-09 | 2004-12-08 | Oxford Instr Superconductivity | Cryostat assembly |
US8375742B2 (en) * | 2007-08-21 | 2013-02-19 | Cryomech, Inc. | Reliquifier and recondenser with vacuum insulated sleeve and liquid transfer tube |
US8887944B2 (en) | 2007-12-11 | 2014-11-18 | Tokitae Llc | Temperature-stabilized storage systems configured for storage and stabilization of modular units |
US8215518B2 (en) * | 2007-12-11 | 2012-07-10 | Tokitae Llc | Temperature-stabilized storage containers with directed access |
US8377030B2 (en) | 2007-12-11 | 2013-02-19 | Tokitae Llc | Temperature-stabilized storage containers for medicinals |
US8211516B2 (en) * | 2008-05-13 | 2012-07-03 | Tokitae Llc | Multi-layer insulation composite material including bandgap material, storage container using same, and related methods |
US20090145912A1 (en) * | 2007-12-11 | 2009-06-11 | Searete Llc, A Limited Liability Corporation Of The State Of Delaware | Temperature-stabilized storage containers |
US8485387B2 (en) * | 2008-05-13 | 2013-07-16 | Tokitae Llc | Storage container including multi-layer insulation composite material having bandgap material |
US9139351B2 (en) * | 2007-12-11 | 2015-09-22 | Tokitae Llc | Temperature-stabilized storage systems with flexible connectors |
US9205969B2 (en) * | 2007-12-11 | 2015-12-08 | Tokitae Llc | Temperature-stabilized storage systems |
US9174791B2 (en) * | 2007-12-11 | 2015-11-03 | Tokitae Llc | Temperature-stabilized storage systems |
US8603598B2 (en) | 2008-07-23 | 2013-12-10 | Tokitae Llc | Multi-layer insulation composite material having at least one thermally-reflective layer with through openings, storage container using the same, and related methods |
US20120085070A1 (en) * | 2007-12-11 | 2012-04-12 | TOKITAE LLC, a limited liability company of the State of Delaware | Establishment and maintenance of low gas pressure within interior spaces of temperature-stabilized storage systems |
US8069680B2 (en) | 2007-12-11 | 2011-12-06 | Tokitae Llc | Methods of manufacturing temperature-stabilized storage containers |
US9140476B2 (en) | 2007-12-11 | 2015-09-22 | Tokitae Llc | Temperature-controlled storage systems |
US8215835B2 (en) | 2007-12-11 | 2012-07-10 | Tokitae Llc | Temperature-stabilized medicinal storage systems |
US9372016B2 (en) | 2013-05-31 | 2016-06-21 | Tokitae Llc | Temperature-stabilized storage systems with regulated cooling |
US9447995B2 (en) | 2010-02-08 | 2016-09-20 | Tokitac LLC | Temperature-stabilized storage systems with integral regulated cooling |
US9234691B2 (en) * | 2010-03-11 | 2016-01-12 | Quantum Design International, Inc. | Method and apparatus for controlling temperature in a cryocooled cryostat using static and moving gas |
JP5728172B2 (ja) * | 2010-06-16 | 2015-06-03 | 株式会社神戸製鋼所 | 再凝縮装置及びこれを備えたnmr分析装置 |
US20120167598A1 (en) * | 2010-09-14 | 2012-07-05 | Quantum Design, Inc. | Vacuum isolated multi-well zero loss helium dewar |
DE102011078608B4 (de) | 2011-07-04 | 2023-06-22 | Bruker Switzerland Ag | Kryostatanordnung |
CN103077797B (zh) * | 2013-01-06 | 2016-03-30 | 中国科学院电工研究所 | 用于头部成像的超导磁体系统 |
JP5969944B2 (ja) * | 2013-03-27 | 2016-08-17 | ジャパンスーパーコンダクタテクノロジー株式会社 | クライオスタット |
DE102015212314B3 (de) | 2015-07-01 | 2016-10-20 | Bruker Biospin Gmbh | Kryostat mit aktiver Halsrohrkühlung durch ein zweites Kryogen |
JP6626816B2 (ja) * | 2016-11-24 | 2019-12-25 | ジャパンスーパーコンダクタテクノロジー株式会社 | 超電導コイルの予冷方法及び超電導マグネット装置 |
DE102017217930A1 (de) * | 2017-10-09 | 2019-04-11 | Bruker Biospin Ag | Magnetanordnung mit Kryostat und Magnetspulensystem, mit Kältespeichern an den Stromzuführungen |
CN110486974B (zh) * | 2019-08-29 | 2021-08-24 | 上海理工大学 | 具有中间入口的二级叠层交错微通道节流换热制冷器 |
CN110486971B (zh) * | 2019-08-29 | 2021-08-24 | 上海理工大学 | 波浪形叠层微通道制冷器 |
CN110486973B (zh) * | 2019-08-29 | 2021-08-24 | 上海理工大学 | 具有中间入口的多级预冷微通道节流换热制冷器 |
CN110486972B (zh) * | 2019-08-29 | 2021-08-24 | 上海理工大学 | 多级两侧预冷叠层交错微通道节流换热制冷器 |
CN110486980B (zh) * | 2019-08-29 | 2021-08-24 | 上海理工大学 | 微通道节流制冷器 |
CN110486970B (zh) * | 2019-08-29 | 2021-08-24 | 上海理工大学 | 多级单侧预冷的叠层微通道节流换热制冷器 |
KR102142312B1 (ko) * | 2019-12-27 | 2020-08-07 | 한국기초과학지원연구원 | 헬륨 가스 액화기 및 헬륨 가스 액화 방법 |
DE102020201522A1 (de) | 2020-02-07 | 2021-08-12 | Bruker Switzerland Ag | NMR-Messanordnung mit kalter Bohrung des Kryostaten |
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DE4106135A1 (de) * | 1991-02-27 | 1992-09-03 | Spectrospin Ag | Kryomagnetsystem mit stoerungsminimiertem low-loss-heliumkryostat |
US5563566A (en) * | 1995-11-13 | 1996-10-08 | General Electric Company | Cryogen-cooled open MRI superconductive magnet |
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GB2330194B (en) * | 1997-09-30 | 2002-05-15 | Oxford Magnet Tech | A cryogenic pulse tube refrigerator |
DE10033410C1 (de) * | 2000-07-08 | 2002-05-23 | Bruker Biospin Gmbh | Kreislaufkryostat |
GB0121603D0 (en) * | 2001-09-06 | 2001-10-24 | Oxford Instr Superconductivity | Magnet assembly |
GB0125188D0 (en) * | 2001-10-19 | 2001-12-12 | Oxford Magnet Tech | A pulse tube refrigerator sleeve |
GB0125189D0 (en) * | 2001-10-19 | 2001-12-12 | Oxford Magnet Tech | A pulse tube refrigerator |
DE10226498B4 (de) * | 2002-06-14 | 2004-07-29 | Bruker Biospin Gmbh | Kryostatenanordnung mit verbesserten Eigenschaften |
GB0401835D0 (en) * | 2004-01-28 | 2004-03-03 | Oxford Instr Superconductivity | Magnetic field generating assembly |
DE102004012416B4 (de) * | 2004-03-13 | 2006-04-20 | Bruker Biospin Gmbh | Supraleitendes Magnetsystem mit Pulsrohr-Kühler |
-
2004
- 2004-07-30 DE DE102004037172A patent/DE102004037172B4/de not_active Expired - Fee Related
-
2005
- 2005-07-19 US US11/183,941 patent/US20060021355A1/en not_active Abandoned
- 2005-07-26 EP EP05016143A patent/EP1628109B1/de not_active Not-in-force
- 2005-07-29 JP JP2005220786A patent/JP3996935B2/ja not_active Expired - Fee Related
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2007271254A (ja) * | 2006-03-17 | 2007-10-18 | Siemens Magnet Technology Ltd | 冷却装置 |
Also Published As
Publication number | Publication date |
---|---|
US20060021355A1 (en) | 2006-02-02 |
DE102004037172B4 (de) | 2006-08-24 |
JP3996935B2 (ja) | 2007-10-24 |
EP1628109A3 (de) | 2009-03-25 |
EP1628109B1 (de) | 2012-06-13 |
EP1628109A2 (de) | 2006-02-22 |
DE102004037172A1 (de) | 2006-03-23 |
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