CN1606680A - 脉冲管致冷器套 - Google Patents
脉冲管致冷器套 Download PDFInfo
- Publication number
- CN1606680A CN1606680A CN02825468.6A CN02825468A CN1606680A CN 1606680 A CN1606680 A CN 1606680A CN 02825468 A CN02825468 A CN 02825468A CN 1606680 A CN1606680 A CN 1606680A
- Authority
- CN
- China
- Prior art keywords
- ptr
- cover
- pulse tube
- heat
- socket
- 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
- 238000000034 method Methods 0.000 claims description 13
- 239000011810 insulating material Substances 0.000 claims description 9
- 238000009413 insulation Methods 0.000 claims description 9
- 239000000463 material Substances 0.000 claims description 9
- 239000004918 carbon fiber reinforced polymer Substances 0.000 claims description 4
- 239000002131 composite material Substances 0.000 claims description 4
- 239000004033 plastic Substances 0.000 claims description 4
- 229920003023 plastic Polymers 0.000 claims description 4
- 229910001220 stainless steel Inorganic materials 0.000 claims description 4
- 239000010935 stainless steel Substances 0.000 claims description 4
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 claims description 2
- 239000010936 titanium Substances 0.000 claims description 2
- 229910052719 titanium Inorganic materials 0.000 claims description 2
- 238000003384 imaging method Methods 0.000 claims 2
- 239000007769 metal material Substances 0.000 claims 1
- 239000001307 helium Substances 0.000 abstract description 21
- 229910052734 helium Inorganic materials 0.000 abstract description 21
- SWQJXJOGLNCZEY-UHFFFAOYSA-N helium atom Chemical compound [He] SWQJXJOGLNCZEY-UHFFFAOYSA-N 0.000 abstract description 19
- 239000007788 liquid Substances 0.000 abstract description 11
- 239000007789 gas Substances 0.000 abstract description 7
- 238000002595 magnetic resonance imaging Methods 0.000 abstract description 7
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 abstract description 4
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 abstract description 4
- 239000012530 fluid Substances 0.000 abstract description 4
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 abstract description 4
- 229910052786 argon Inorganic materials 0.000 abstract description 2
- 238000003780 insertion Methods 0.000 abstract description 2
- 230000037431 insertion Effects 0.000 abstract description 2
- 229910052754 neon Inorganic materials 0.000 abstract description 2
- GKAOGPIIYCISHV-UHFFFAOYSA-N neon atom Chemical compound [Ne] GKAOGPIIYCISHV-UHFFFAOYSA-N 0.000 abstract description 2
- 229910052757 nitrogen Inorganic materials 0.000 abstract description 2
- 238000009833 condensation Methods 0.000 description 6
- 230000005494 condensation Effects 0.000 description 6
- 238000001816 cooling Methods 0.000 description 6
- 238000009826 distribution Methods 0.000 description 6
- 238000005219 brazing Methods 0.000 description 4
- 239000000945 filler Substances 0.000 description 4
- 229910052751 metal Inorganic materials 0.000 description 4
- 239000002184 metal Substances 0.000 description 4
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 238000012423 maintenance Methods 0.000 description 3
- 238000012856 packing Methods 0.000 description 3
- 230000005855 radiation Effects 0.000 description 3
- 238000003466 welding Methods 0.000 description 3
- 238000007872 degassing Methods 0.000 description 2
- 230000005484 gravity Effects 0.000 description 2
- 150000002371 helium Chemical class 0.000 description 2
- 238000005057 refrigeration Methods 0.000 description 2
- 238000012546 transfer Methods 0.000 description 2
- 101100493705 Caenorhabditis elegans bath-36 gene Proteins 0.000 description 1
- 229920005830 Polyurethane Foam Polymers 0.000 description 1
- 229910021536 Zeolite Inorganic materials 0.000 description 1
- 239000005030 aluminium foil Substances 0.000 description 1
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000009835 boiling Methods 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 229910001610 cryolite Inorganic materials 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- HNPSIPDUKPIQMN-UHFFFAOYSA-N dioxosilane;oxo(oxoalumanyloxy)alumane Chemical compound O=[Si]=O.O=[Al]O[Al]=O HNPSIPDUKPIQMN-UHFFFAOYSA-N 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 239000012467 final product Substances 0.000 description 1
- 210000004907 gland Anatomy 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 239000003365 glass fiber Substances 0.000 description 1
- 229910052738 indium Inorganic materials 0.000 description 1
- APFVFJFRJDLVQX-UHFFFAOYSA-N indium atom Chemical compound [In] APFVFJFRJDLVQX-UHFFFAOYSA-N 0.000 description 1
- 239000012774 insulation material Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 210000000056 organ Anatomy 0.000 description 1
- 239000010451 perlite Substances 0.000 description 1
- 235000019362 perlite Nutrition 0.000 description 1
- 239000011496 polyurethane foam Substances 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000035755 proliferation Effects 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 238000009738 saturating Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000011343 solid material Substances 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
- 238000004448 titration Methods 0.000 description 1
- 239000010457 zeolite Substances 0.000 description 1
Images
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
- F17C13/00—Details of vessels or of the filling or discharging of vessels
-
- 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
- F25B2309/00—Gas cycle refrigeration machines
- F25B2309/14—Compression machines, plants or systems characterised by the cycle used
- F25B2309/1414—Pulse-tube cycles characterised by pulse tube 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
- 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
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Containers, Films, And Cooling For Superconductive Devices (AREA)
- Magnetic Resonance Imaging Apparatus (AREA)
Abstract
Description
Claims (17)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB0125188.3 | 2001-10-19 | ||
GBGB0125188.3A GB0125188D0 (en) | 2001-10-19 | 2001-10-19 | A pulse tube refrigerator sleeve |
Publications (2)
Publication Number | Publication Date |
---|---|
CN1606680A true CN1606680A (zh) | 2005-04-13 |
CN100507404C CN100507404C (zh) | 2009-07-01 |
Family
ID=9924205
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CNB028254686A Expired - Fee Related CN100507404C (zh) | 2001-10-19 | 2002-10-21 | 带有绝热套的脉冲管致冷器和应用方法 |
Country Status (8)
Country | Link |
---|---|
US (1) | US7350363B2 (zh) |
EP (1) | EP1436555B1 (zh) |
JP (2) | JP2005506508A (zh) |
CN (1) | CN100507404C (zh) |
AU (1) | AU2002350601A1 (zh) |
DE (1) | DE60222920T2 (zh) |
GB (2) | GB0125188D0 (zh) |
WO (1) | WO2003036207A2 (zh) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102141318A (zh) * | 2010-02-03 | 2011-08-03 | 住友重机械工业株式会社 | 脉冲管制冷机 |
CN113375359A (zh) * | 2020-02-25 | 2021-09-10 | 住友重机械工业株式会社 | 超低温制冷机及超低温系统 |
Families Citing this family (18)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
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 |
DE102004037173B3 (de) * | 2004-07-30 | 2005-12-15 | Bruker Biospin Ag | Vorrichtung zur kryogenverlustfreien Kühlung einer Kryostatanordnung |
US7497084B2 (en) * | 2005-01-04 | 2009-03-03 | Sumitomo Heavy Industries, Ltd. | Co-axial multi-stage pulse tube for helium recondensation |
DE102005002011B3 (de) | 2005-01-15 | 2006-04-20 | Bruker Biospin Ag | Quenchverschluß |
US7568351B2 (en) | 2005-02-04 | 2009-08-04 | Shi-Apd Cryogenics, Inc. | Multi-stage pulse tube with matched temperature profiles |
DE102005029151B4 (de) * | 2005-06-23 | 2008-08-07 | Bruker Biospin Ag | Kryostatanordnung mit Kryokühler |
JP2008275220A (ja) * | 2007-04-26 | 2008-11-13 | Sumitomo Heavy Ind Ltd | パルスチューブ冷凍機 |
JP4668238B2 (ja) | 2007-05-08 | 2011-04-13 | 住友重機械工業株式会社 | 蓄冷式冷凍機およびパルスチューブ冷凍機 |
US8375742B2 (en) * | 2007-08-21 | 2013-02-19 | Cryomech, Inc. | Reliquifier and recondenser with vacuum insulated sleeve and liquid transfer tube |
US20090049862A1 (en) * | 2007-08-21 | 2009-02-26 | Cryomech, Inc. | Reliquifier |
GB2459316B (en) * | 2008-09-22 | 2010-04-07 | Oxford Instr Superconductivity | Cryogenic cooling apparatus and method using a sleeve with heat transfer member |
JP5442506B2 (ja) * | 2010-03-24 | 2014-03-12 | 住友重機械工業株式会社 | 冷却装置及び再凝縮装置 |
US8910486B2 (en) | 2010-07-22 | 2014-12-16 | Flir Systems, Inc. | Expander for stirling engines and cryogenic coolers |
US8570043B2 (en) * | 2010-10-05 | 2013-10-29 | General Electric Company | System and method for self-sealing a coldhead sleeve of a magnetic resonance imaging system |
DE102012209754B4 (de) * | 2012-06-12 | 2016-09-22 | Siemens Healthcare Gmbh | Spuleneinrichtung für einen Kernspintomographen |
DE102013219169B4 (de) * | 2013-09-24 | 2018-10-25 | Siemens Healthcare Gmbh | Anordnung zur Wärmeisolation eines MR-Magneten |
CN111928513A (zh) * | 2020-09-10 | 2020-11-13 | 付柏山 | 一种新型脉冲管制冷机 |
Family Cites Families (21)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB8523147D0 (en) | 1985-09-19 | 1985-10-23 | Koolflo Ltd | Conveying liquids |
DE3635604C2 (de) * | 1986-10-20 | 1998-07-02 | Leybold Ag | Verfahren zur Durchführung von Wartungsarbeiten an einem Refrigerator, Vorrichtung und Refrigerator zur Durchführung des Verfahrens |
US5107683A (en) * | 1990-04-09 | 1992-04-28 | Trw Inc. | Multistage pulse tube cooler |
US5111665A (en) * | 1991-02-19 | 1992-05-12 | General Electric Company | Redundant cryorefrigerator system for a refrigerated superconductive magnet |
US5335505A (en) | 1992-05-25 | 1994-08-09 | Kabushiki Kaisha Toshiba | Pulse tube refrigerator |
JP2758786B2 (ja) * | 1992-07-30 | 1998-05-28 | 三菱電機株式会社 | 超電導マグネット |
US5613365A (en) * | 1994-12-12 | 1997-03-25 | Hughes Electronics | Concentric pulse tube expander |
US5735127A (en) * | 1995-06-28 | 1998-04-07 | Wisconsin Alumni Research Foundation | Cryogenic cooling apparatus with voltage isolation |
US5657634A (en) * | 1995-12-29 | 1997-08-19 | General Electric Company | Convection cooling of bellows convolutions using sleeve penetration tube |
US5680768A (en) * | 1996-01-24 | 1997-10-28 | Hughes Electronics | Concentric pulse tube expander with vacuum insulator |
US5647219A (en) | 1996-06-24 | 1997-07-15 | Hughes Electronics | Cooling system using a pulse-tube expander |
JP3728833B2 (ja) | 1996-11-20 | 2005-12-21 | アイシン精機株式会社 | パルス管冷凍機 |
GB2329701B (en) * | 1997-09-30 | 2001-09-19 | Oxford Magnet Tech | Load bearing means in nmr cryostat systems |
GB2329699A (en) | 1997-09-30 | 1999-03-31 | Oxford Magnet Tech | Load bearing means in cryostat systems |
GB2330194B (en) * | 1997-09-30 | 2002-05-15 | Oxford Magnet Tech | A cryogenic pulse tube refrigerator |
FR2776762B1 (fr) * | 1998-03-31 | 2000-06-16 | Matra Marconi Space France | Dispositif de liaison thermique pour machine cryogenique |
JP3577498B2 (ja) | 1998-06-23 | 2004-10-13 | 学校法人金沢工業大学 | パルス管式冷凍器および磁気遮蔽型冷凍システム |
US5918470A (en) * | 1998-07-22 | 1999-07-06 | General Electric Company | Thermal conductance gasket for zero boiloff superconducting magnet |
US6378312B1 (en) * | 2000-05-25 | 2002-04-30 | Cryomech Inc. | Pulse-tube cryorefrigeration apparatus using an integrated buffer volume |
DE10033410C1 (de) * | 2000-07-08 | 2002-05-23 | Bruker Biospin Gmbh | Kreislaufkryostat |
US6438966B1 (en) * | 2001-06-13 | 2002-08-27 | Applied Superconetics, Inc. | Cryocooler interface sleeve |
-
2001
- 2001-10-19 GB GBGB0125188.3A patent/GB0125188D0/en not_active Ceased
-
2002
- 2002-10-21 AU AU2002350601A patent/AU2002350601A1/en not_active Abandoned
- 2002-10-21 US US10/492,941 patent/US7350363B2/en not_active Expired - Fee Related
- 2002-10-21 JP JP2003538665A patent/JP2005506508A/ja active Pending
- 2002-10-21 EP EP02785278A patent/EP1436555B1/en not_active Expired - Lifetime
- 2002-10-21 DE DE60222920T patent/DE60222920T2/de not_active Expired - Fee Related
- 2002-10-21 GB GB0224418A patent/GB2382126B/en not_active Expired - Fee Related
- 2002-10-21 WO PCT/EP2002/011815 patent/WO2003036207A2/en active IP Right Grant
- 2002-10-21 CN CNB028254686A patent/CN100507404C/zh not_active Expired - Fee Related
-
2008
- 2008-02-06 JP JP2008025919A patent/JP2008111666A/ja not_active Abandoned
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102141318A (zh) * | 2010-02-03 | 2011-08-03 | 住友重机械工业株式会社 | 脉冲管制冷机 |
CN102141318B (zh) * | 2010-02-03 | 2014-07-30 | 住友重机械工业株式会社 | 脉冲管制冷机 |
CN113375359A (zh) * | 2020-02-25 | 2021-09-10 | 住友重机械工业株式会社 | 超低温制冷机及超低温系统 |
CN113375359B (zh) * | 2020-02-25 | 2022-11-22 | 住友重机械工业株式会社 | 超低温制冷机及超低温系统 |
Also Published As
Publication number | Publication date |
---|---|
DE60222920D1 (de) | 2007-11-22 |
GB0125188D0 (en) | 2001-12-12 |
JP2005506508A (ja) | 2005-03-03 |
GB0224418D0 (en) | 2002-11-27 |
WO2003036207A2 (en) | 2003-05-01 |
DE60222920T2 (de) | 2008-07-24 |
US20050103025A1 (en) | 2005-05-19 |
GB2382126B (en) | 2006-04-26 |
EP1436555A2 (en) | 2004-07-14 |
EP1436555B1 (en) | 2007-10-10 |
CN100507404C (zh) | 2009-07-01 |
WO2003036207A3 (en) | 2003-10-09 |
GB2382126A (en) | 2003-05-21 |
JP2008111666A (ja) | 2008-05-15 |
US7350363B2 (en) | 2008-04-01 |
AU2002350601A1 (en) | 2003-05-06 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
C06 | Publication | ||
PB01 | Publication | ||
C10 | Entry into substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
ASS | Succession or assignment of patent right |
Owner name: ENGLAND SIEMENS AG Free format text: FORMER OWNER: SIEMENS MAGNET TECHNOLOGY LTD. Effective date: 20091204 |
|
C41 | Transfer of patent application or patent right or utility model | ||
C56 | Change in the name or address of the patentee |
Owner name: SIEMENS MAGNET TECHNOLOGY LTD. Free format text: FORMER NAME: OXFORD MAGNET TECHNOLOGY CO., LTD. |
|
CP03 | Change of name, title or address |
Address after: oxford Patentee after: SIEMENS MAGNET TECHNOLOGY LTD. Address before: oxford Patentee before: OXFORD MAGNET TECHNOLOGY LTD. |
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TR01 | Transfer of patent right |
Effective date of registration: 20091204 Address after: Britain's Patentee after: Siemens PLC Address before: oxford Patentee before: Siemens Magnet Technology Ltd. |
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C17 | Cessation of patent right | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20090701 Termination date: 20101021 |