GB2331798A - Liquified gas cryostat - Google Patents
Liquified gas cryostatInfo
- Publication number
- GB2331798A GB2331798A GB9903405A GB9903405A GB2331798A GB 2331798 A GB2331798 A GB 2331798A GB 9903405 A GB9903405 A GB 9903405A GB 9903405 A GB9903405 A GB 9903405A GB 2331798 A GB2331798 A GB 2331798A
- Authority
- GB
- United Kingdom
- Prior art keywords
- cooled
- liquified gas
- cryo
- vapour
- space
- 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
Classifications
-
- 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
- F17C3/00—Vessels not under pressure
- F17C3/02—Vessels not under pressure with provision for thermal insulation
- F17C3/08—Vessels not under pressure with provision for thermal insulation by vacuum spaces, e.g. Dewar flask
- F17C3/085—Cryostats
-
- 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
- F17C2221/00—Handled fluid, in particular type of fluid
- F17C2221/01—Pure fluids
- F17C2221/014—Nitrogen
-
- 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
- F17C2221/00—Handled fluid, in particular type of fluid
- F17C2221/01—Pure fluids
- F17C2221/016—Noble gases (Ar, Kr, Xe)
- F17C2221/017—Helium
-
- 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
- F17C2270/0536—Magnetic resonance imaging
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Containers, Films, And Cooling For Superconductive Devices (AREA)
Abstract
A liquified gas cryostat having an inner wall (3) to contain the liquified gas (4) and an other wall (2) spaced therefrom is provided, in the space between the two walls, with multilayered insulation (5), formed by coating a woven fabric with a thin layer of gold or aluminium to create small, self-defined areas of metallization, and the space is evacuated. Also in the space is located at least one radiation shield (6) of material which exbibits high thermal conductivity and negligible electrical conductivity. The shield (6) extends beneath and is continuous around the inner wall (3) over the volume intended to be occupied by the liquified gas and may be vapour-cooled or cryo-cooled. Where more than one shield is used, both or all of them may, be vapour-cooled or cryo-cooled. Alternatively, one or more of the shields may be vapour-cooled and the remainder cryo-cooled.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB0024209A GB2351549B (en) | 1996-08-15 | 1997-08-11 | Liquified gas cryostat |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB9617175A GB9617175D0 (en) | 1996-08-15 | 1996-08-15 | Liquid gas cryostat |
PCT/GB1997/002140 WO1998006972A1 (en) | 1996-08-15 | 1997-08-11 | Liquified gas cryostat |
Publications (3)
Publication Number | Publication Date |
---|---|
GB9903405D0 GB9903405D0 (en) | 1999-04-07 |
GB2331798A true GB2331798A (en) | 1999-06-02 |
GB2331798B GB2331798B (en) | 2000-12-20 |
Family
ID=10798537
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB9617175A Pending GB9617175D0 (en) | 1996-08-15 | 1996-08-15 | Liquid gas cryostat |
GB9903405A Expired - Fee Related GB2331798B (en) | 1996-08-15 | 1997-08-11 | Liquified gas cryostat |
Family Applications Before (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB9617175A Pending GB9617175D0 (en) | 1996-08-15 | 1996-08-15 | Liquid gas cryostat |
Country Status (3)
Country | Link |
---|---|
AU (1) | AU3856997A (en) |
GB (2) | GB9617175D0 (en) |
WO (1) | WO1998006972A1 (en) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2005080858A1 (en) * | 2004-02-16 | 2005-09-01 | Aberdeen University | Liquified gas cryostat |
GB2414539A (en) * | 2004-05-25 | 2005-11-30 | Siemens Magnet Technology Ltd | An electrically conductive shield for a refrigerator |
US7466132B2 (en) | 2002-02-06 | 2008-12-16 | The Regents Of The University Of California | Squid detected NMR and MRI at ultralow fields |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102008019091A1 (en) | 2008-04-16 | 2009-10-29 | Bmdsys Gmbh | Cryostat and biomagnetic measuring system with high frequency shielding |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1400921A1 (en) * | 1962-07-20 | 1969-01-30 | Union Carbide Corp | Thermal insulation |
FR2345658A1 (en) * | 1976-03-25 | 1977-10-21 | Air Liquide | CRYOGENIC LIQUID TANK |
FR2530382A1 (en) * | 1982-07-16 | 1984-01-20 | Thomson Csf | LOW DIMENSION CRYOSTATIC DEVICE FOR PHOTODETECTORS |
WO1994003754A1 (en) * | 1992-07-30 | 1994-02-17 | Biomagnetic Technologies, Inc. | Cryogenic dewar and method of fabrication |
-
1996
- 1996-08-15 GB GB9617175A patent/GB9617175D0/en active Pending
-
1997
- 1997-08-11 GB GB9903405A patent/GB2331798B/en not_active Expired - Fee Related
- 1997-08-11 WO PCT/GB1997/002140 patent/WO1998006972A1/en active Application Filing
- 1997-08-11 AU AU38569/97A patent/AU3856997A/en not_active Abandoned
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1400921A1 (en) * | 1962-07-20 | 1969-01-30 | Union Carbide Corp | Thermal insulation |
FR2345658A1 (en) * | 1976-03-25 | 1977-10-21 | Air Liquide | CRYOGENIC LIQUID TANK |
FR2530382A1 (en) * | 1982-07-16 | 1984-01-20 | Thomson Csf | LOW DIMENSION CRYOSTATIC DEVICE FOR PHOTODETECTORS |
WO1994003754A1 (en) * | 1992-07-30 | 1994-02-17 | Biomagnetic Technologies, Inc. | Cryogenic dewar and method of fabrication |
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7466132B2 (en) | 2002-02-06 | 2008-12-16 | The Regents Of The University Of California | Squid detected NMR and MRI at ultralow fields |
WO2005080858A1 (en) * | 2004-02-16 | 2005-09-01 | Aberdeen University | Liquified gas cryostat |
GB2414539A (en) * | 2004-05-25 | 2005-11-30 | Siemens Magnet Technology Ltd | An electrically conductive shield for a refrigerator |
GB2414539B (en) * | 2004-05-25 | 2007-07-25 | Siemens Magnet Technology Ltd | Electrically conductive shield for refrigerator |
US8171741B2 (en) | 2004-05-25 | 2012-05-08 | Siemens Plc | Electrically conductive shield for refrigerator |
Also Published As
Publication number | Publication date |
---|---|
GB2331798B (en) | 2000-12-20 |
WO1998006972A1 (en) | 1998-02-19 |
AU3856997A (en) | 1998-03-06 |
GB9903405D0 (en) | 1999-04-07 |
GB9617175D0 (en) | 1996-09-25 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PCNP | Patent ceased through non-payment of renewal fee |
Effective date: 20120811 |