JP2007155319A - 磁気シールド付き冷凍機 - Google Patents
磁気シールド付き冷凍機 Download PDFInfo
- Publication number
- JP2007155319A JP2007155319A JP2006324295A JP2006324295A JP2007155319A JP 2007155319 A JP2007155319 A JP 2007155319A JP 2006324295 A JP2006324295 A JP 2006324295A JP 2006324295 A JP2006324295 A JP 2006324295A JP 2007155319 A JP2007155319 A JP 2007155319A
- Authority
- JP
- Japan
- Prior art keywords
- magnetic shield
- type expander
- stage
- regenerative type
- expander
- 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
- 230000001172 regenerating effect Effects 0.000 claims abstract description 26
- 239000000696 magnetic material Substances 0.000 claims abstract description 15
- 239000001307 helium Substances 0.000 claims description 27
- 229910052734 helium Inorganic materials 0.000 claims description 27
- SWQJXJOGLNCZEY-UHFFFAOYSA-N helium atom Chemical compound [He] SWQJXJOGLNCZEY-UHFFFAOYSA-N 0.000 claims description 27
- 239000001257 hydrogen Substances 0.000 claims description 3
- 229910052739 hydrogen Inorganic materials 0.000 claims description 3
- 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
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 claims description 2
- 150000002431 hydrogen Chemical class 0.000 claims 1
- 239000000463 material Substances 0.000 description 24
- 239000007789 gas Substances 0.000 description 13
- 229910052761 rare earth metal Inorganic materials 0.000 description 6
- 150000002910 rare earth metals Chemical class 0.000 description 6
- 239000007788 liquid Substances 0.000 description 5
- 238000001816 cooling Methods 0.000 description 3
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000005057 refrigeration Methods 0.000 description 2
- 230000001360 synchronised effect Effects 0.000 description 2
- 239000002250 absorbent Substances 0.000 description 1
- 230000002745 absorbent Effects 0.000 description 1
- 239000003463 adsorbent Substances 0.000 description 1
- 239000003610 charcoal Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000003384 imaging method Methods 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 238000010792 warming Methods 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
- 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
-
- 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
-
- 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
- G01R33/3804—Additional hardware for cooling or heating of the magnet assembly, for housing a cooled or heated part of the magnet assembly or for temperature control of the magnet assembly
-
- 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
-
- 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
- F25B2309/003—Gas cycle refrigeration machines characterised by construction or composition of the regenerator
-
- 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
- F25B2309/00—Gas cycle refrigeration machines
- F25B2309/14—Compression machines, plants or systems characterised by the cycle used
- F25B2309/1415—Pulse-tube cycles characterised by regenerator details
-
- 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】 磁気シールドは、真空容器、低温蓄冷器内の磁性材料及び磁気シールドを含む蓄冷型エクスパンダ内の自身の真空容器内に搭載され、磁気シールドは、磁性材料を囲繞する。
【選択図】 図1
Description
23 蓄冷器スリーブ
25 2段目熱ステーション
31 磁気シールド
32 熱ベース
40 真空容器
70 磁気シールドインサート
Claims (21)
- 真空容器、低温蓄冷器における磁性材料、及び、磁気シールドを含む蓄冷型エクスパンダであって、
前記磁気シールドが、前記真空容器内に配置されると共に、前記磁性材料を囲繞する、蓄冷型エクスパンダ。 - 前記真空容器が、管状の穴を有する、請求項1に記載の蓄冷型エクスパンダ。
- 前記磁性材料が、前記管状の穴内に配置される、請求項2に記載の蓄冷型エクスパンダ。
- 前記磁気シールドが、当該蓄冷型エクスパンダの低温蓄冷器スリーブ内の取り外し可能なインサートである、請求項3に記載の蓄冷型エクスパンダ。
- 前記磁気シールドが、当該蓄冷型エクスパンダの低温蓄冷器スリーブ内に固定される、請求項3に記載の蓄冷型エクスパンダ。
- 前記磁気シールドが、低温蓄冷器を含むスリーブの外部にある、請求項2に記載の蓄冷型エクスパンダ。
- GM,GMタイプパルスチューブ、スターリン及びスターリンタイプパルスチューブのいずれか1つである請求項1に記載の蓄冷型エクスパンダ。
- GM及びGMタイプパルスチューブのいずれか1つである請求項7に記載の蓄冷型エクスパンダ。
- 前記磁気シールドが、80Kよりも低温である熱ステーションにより冷却される、請求項1に記載の蓄冷型エクスパンダ。
- 前記磁気シールドが、低温蓄冷器を囲繞し、前記真空容器が、当該蓄冷型エクスパンダの低温段を囲繞する、請求項1に記載の蓄冷型エクスパンダ。
- クライオスタット内の真空空間、及び、ヘリウム、水素及びネオンの1つを含むクライオスタット内のネックチューブの何れか一方に搭載される請求項1に記載の蓄冷型エクスパンダ。
- MRIクライオスタットのネックチューブに搭載され、ヘリウム、水素及びネオンの1つにより囲繞される請求項1に記載の蓄冷型エクスパンダ。
- 前記真空容器が、管状の穴を有する、請求項12に記載の蓄冷型エクスパンダ。
- 前記磁性材料が、前記管状の穴内に配置される、請求項13に記載の蓄冷型エクスパンダ。
- 前記磁気シールドが、当該蓄冷型エクスパンダの低温蓄冷器スリーブ内の取り外し可能なインサートである、請求項13に記載の蓄冷型エクスパンダ。
- 前記磁気シールドが、当該蓄冷型エクスパンダの低温蓄冷器スリーブ内に固定される、請求項13に記載の蓄冷型エクスパンダ。
- 前記磁気シールドが、低温蓄冷器を含むスリーブの外部にある、請求項13に記載の蓄冷型エクスパンダ。
- GM,GMタイプパルスチューブ、スターリン及びスターリンタイプパルスチューブのいずれか1つである請求項12に記載の蓄冷型エクスパンダ。
- GM及びGMタイプパルスチューブのいずれか1つである請求項12に記載の蓄冷型エクスパンダ。
- 前記磁気シールドが、80Kよりも低温である熱ステーションにより冷却される、請求項12に記載の蓄冷型エクスパンダ。
- 前記磁気シールドが、低温蓄冷器を囲繞し、前記真空容器が、当該蓄冷型エクスパンダの低温段を囲繞する、請求項12に記載の蓄冷型エクスパンダ。
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US11/297,125 US7500366B2 (en) | 2005-12-08 | 2005-12-08 | Refrigerator with magnetic shield |
US11/297,125 | 2005-12-08 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2007155319A true JP2007155319A (ja) | 2007-06-21 |
JP4892328B2 JP4892328B2 (ja) | 2012-03-07 |
Family
ID=38137920
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2006324295A Expired - Fee Related JP4892328B2 (ja) | 2005-12-08 | 2006-11-30 | 磁気シールド付き冷凍機 |
Country Status (3)
Country | Link |
---|---|
US (1) | US7500366B2 (ja) |
JP (1) | JP4892328B2 (ja) |
CN (1) | CN101012982B (ja) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2009293909A (ja) * | 2008-06-09 | 2009-12-17 | Sumitomo Heavy Ind Ltd | 蓄冷型膨張機、パルス管冷凍機、磁気共鳴イメージング装置、核磁気共鳴装置、超伝導量子干渉素子磁束計及び蓄冷型膨張機の磁気シールド方法 |
JP2010048452A (ja) * | 2008-08-21 | 2010-03-04 | Kanazawa Inst Of Technology | 極低温冷却装置 |
US10203135B2 (en) | 2012-07-20 | 2019-02-12 | Sumitomo Heavy Industries, Ltd. | Regenerative refrigerator |
Families Citing this family (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP4404021B2 (ja) * | 2005-06-30 | 2010-01-27 | 株式会社日立製作所 | Mri用超電導磁石 |
CN102314988B (zh) * | 2010-06-30 | 2014-05-07 | 通用电气公司 | 磁体组件及其温控方法 |
JP6305193B2 (ja) * | 2013-09-17 | 2018-04-04 | 住友重機械工業株式会社 | 蓄冷式冷凍機、一段蓄冷器、及び二段蓄冷器 |
JP6109057B2 (ja) * | 2013-12-16 | 2017-04-05 | 住友重機械工業株式会社 | 蓄冷器式冷凍機 |
GB201400201D0 (en) | 2014-01-07 | 2014-02-26 | Siemens Plc | Exchange of a cold head in a superconducting magnet system |
JP6214498B2 (ja) * | 2014-09-02 | 2017-10-18 | 住友重機械工業株式会社 | 極低温冷凍機 |
WO2018181396A1 (ja) * | 2017-03-30 | 2018-10-04 | 住友重機械工業株式会社 | 極低温冷凍機および磁気シールド |
JP6951889B2 (ja) * | 2017-07-07 | 2021-10-20 | 住友重機械工業株式会社 | 極低温冷凍機、及び極低温冷凍機の磁気シールド構造 |
Citations (7)
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JPH06159828A (ja) * | 1992-11-20 | 1994-06-07 | Mitsubishi Electric Corp | 蓄冷型冷凍機 |
JP2600869B2 (ja) * | 1988-12-13 | 1997-04-16 | 三菱電機株式会社 | 蓄冷式極低温冷凍機 |
JPH10213357A (ja) * | 1996-10-31 | 1998-08-11 | General Electric Co <Ge> | 冷凍剤再凝縮システム |
JPH10256614A (ja) * | 1997-03-17 | 1998-09-25 | Toshiba Corp | 磁気シールド装置 |
JP2000266417A (ja) * | 1999-03-15 | 2000-09-29 | Sumitomo Heavy Ind Ltd | 冷凍機用磁気シールド体 |
JP2001004237A (ja) * | 1999-06-24 | 2001-01-12 | Mitsubishi Electric Corp | 極低温冷却装置および極低温冷却方法 |
JP2001317846A (ja) * | 2000-02-28 | 2001-11-16 | Taiyo Toyo Sanso Co Ltd | 超電導部材冷却装置 |
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JP2659684B2 (ja) | 1994-05-31 | 1997-09-30 | 住友重機械工業株式会社 | 蓄冷器式冷凍機 |
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DE10137552C1 (de) * | 2001-08-01 | 2003-01-30 | Karlsruhe Forschzent | Einrichtung mit einem Kryogenerator zur Rekondensation von tiefsiedenden Gasen des aus einem Flüssiggas-Behälter verdampfenden Gases |
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US7318318B2 (en) * | 2004-03-13 | 2008-01-15 | Bruker Biospin Gmbh | Superconducting magnet system with refrigerator |
DE102004023072B4 (de) * | 2004-05-11 | 2008-08-14 | Bruker Biospin Ag | Magnetsystem mit abgeschirmtem Regeneratormaterial und Verfahren zum Betrieb des Magnetsystems |
-
2005
- 2005-12-08 US US11/297,125 patent/US7500366B2/en not_active Expired - Fee Related
-
2006
- 2006-11-30 JP JP2006324295A patent/JP4892328B2/ja not_active Expired - Fee Related
- 2006-12-08 CN CN2006101659098A patent/CN101012982B/zh not_active Expired - Fee Related
Patent Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
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JP2600869B2 (ja) * | 1988-12-13 | 1997-04-16 | 三菱電機株式会社 | 蓄冷式極低温冷凍機 |
JPH06159828A (ja) * | 1992-11-20 | 1994-06-07 | Mitsubishi Electric Corp | 蓄冷型冷凍機 |
JPH10213357A (ja) * | 1996-10-31 | 1998-08-11 | General Electric Co <Ge> | 冷凍剤再凝縮システム |
JPH10256614A (ja) * | 1997-03-17 | 1998-09-25 | Toshiba Corp | 磁気シールド装置 |
JP2000266417A (ja) * | 1999-03-15 | 2000-09-29 | Sumitomo Heavy Ind Ltd | 冷凍機用磁気シールド体 |
JP2001004237A (ja) * | 1999-06-24 | 2001-01-12 | Mitsubishi Electric Corp | 極低温冷却装置および極低温冷却方法 |
JP2001317846A (ja) * | 2000-02-28 | 2001-11-16 | Taiyo Toyo Sanso Co Ltd | 超電導部材冷却装置 |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2009293909A (ja) * | 2008-06-09 | 2009-12-17 | Sumitomo Heavy Ind Ltd | 蓄冷型膨張機、パルス管冷凍機、磁気共鳴イメージング装置、核磁気共鳴装置、超伝導量子干渉素子磁束計及び蓄冷型膨張機の磁気シールド方法 |
US8072219B2 (en) | 2008-06-09 | 2011-12-06 | Sumitomo Heavy Industries, Ltd. | Regenerative expansion apparatus, pulse tube cryogenic cooler, magnetic resonance imaging apparatus, nuclear magnetic resonance apparatus, superconducting quantum interference device flux meter, and magnetic shielding method of the regenerative expansion apparatus |
JP2010048452A (ja) * | 2008-08-21 | 2010-03-04 | Kanazawa Inst Of Technology | 極低温冷却装置 |
US10203135B2 (en) | 2012-07-20 | 2019-02-12 | Sumitomo Heavy Industries, Ltd. | Regenerative refrigerator |
Also Published As
Publication number | Publication date |
---|---|
US20070130961A1 (en) | 2007-06-14 |
CN101012982A (zh) | 2007-08-08 |
CN101012982B (zh) | 2011-10-26 |
US7500366B2 (en) | 2009-03-10 |
JP4892328B2 (ja) | 2012-03-07 |
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