JPS52147997A - Super-conductive unit - Google Patents
Super-conductive unitInfo
- Publication number
- JPS52147997A JPS52147997A JP6305476A JP6305476A JPS52147997A JP S52147997 A JPS52147997 A JP S52147997A JP 6305476 A JP6305476 A JP 6305476A JP 6305476 A JP6305476 A JP 6305476A JP S52147997 A JPS52147997 A JP S52147997A
- Authority
- JP
- Japan
- Prior art keywords
- super
- conductive unit
- unit
- ultra
- reliability
- 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
- 238000001816 cooling Methods 0.000 abstract 1
- 239000007788 liquid Substances 0.000 abstract 1
- 230000006641 stabilisation Effects 0.000 abstract 1
- 238000011105 stabilization Methods 0.000 abstract 1
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
- F25J—LIQUEFACTION, SOLIDIFICATION OR SEPARATION OF GASES OR GASEOUS OR LIQUEFIED GASEOUS MIXTURES BY PRESSURE AND COLD TREATMENT OR BY BRINGING THEM INTO THE SUPERCRITICAL STATE
- F25J1/00—Processes or apparatus for liquefying or solidifying gases or gaseous mixtures
- F25J1/02—Processes or apparatus for liquefying or solidifying gases or gaseous mixtures requiring the use of refrigeration, e.g. of helium or hydrogen ; Details and kind of the refrigeration system used; Integration with other units or processes; Controlling aspects of the process
- F25J1/0243—Start-up or control of the process; Details of the apparatus used; Details of the refrigerant compression system used
- F25J1/0257—Construction and layout of liquefaction equipments, e.g. valves, machines
- F25J1/0275—Construction and layout of liquefaction equipments, e.g. valves, machines adapted for special use of the liquefaction unit, e.g. portable or transportable devices
- F25J1/0276—Laboratory or other miniature devices
-
- 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
- F25J—LIQUEFACTION, SOLIDIFICATION OR SEPARATION OF GASES OR GASEOUS OR LIQUEFIED GASEOUS MIXTURES BY PRESSURE AND COLD TREATMENT OR BY BRINGING THEM INTO THE SUPERCRITICAL STATE
- F25J1/00—Processes or apparatus for liquefying or solidifying gases or gaseous mixtures
- F25J1/003—Processes or apparatus for liquefying or solidifying gases or gaseous mixtures characterised by the kind of cold generation within the liquefaction unit for compensating heat leaks and liquid production
- F25J1/0047—Processes or apparatus for liquefying or solidifying gases or gaseous mixtures characterised by the kind of cold generation within the liquefaction unit for compensating heat leaks and liquid production using an "external" refrigerant stream in a closed vapor compression cycle
- F25J1/005—Processes or apparatus for liquefying or solidifying gases or gaseous mixtures characterised by the kind of cold generation within the liquefaction unit for compensating heat leaks and liquid production using an "external" refrigerant stream in a closed vapor compression cycle by expansion of a gaseous refrigerant stream with extraction of work
-
- 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
- F25J—LIQUEFACTION, SOLIDIFICATION OR SEPARATION OF GASES OR GASEOUS OR LIQUEFIED GASEOUS MIXTURES BY PRESSURE AND COLD TREATMENT OR BY BRINGING THEM INTO THE SUPERCRITICAL STATE
- F25J1/00—Processes or apparatus for liquefying or solidifying gases or gaseous mixtures
- F25J1/006—Processes or apparatus for liquefying or solidifying gases or gaseous mixtures characterised by the refrigerant fluid used
- F25J1/0062—Light or noble gases, mixtures thereof
- F25J1/0065—Helium
-
- 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
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B2341/00—Details of ejectors not being used as compression device; Details of flow restrictors or expansion valves
- F25B2341/001—Ejectors not being used as compression device
- F25B2341/0012—Ejectors with the cooled primary flow at high pressure
-
- 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
- F25J—LIQUEFACTION, SOLIDIFICATION OR SEPARATION OF GASES OR GASEOUS OR LIQUEFIED GASEOUS MIXTURES BY PRESSURE AND COLD TREATMENT OR BY BRINGING THEM INTO THE SUPERCRITICAL STATE
- F25J2270/00—Refrigeration techniques used
- F25J2270/14—External refrigeration with work-producing gas expansion loop
- F25J2270/16—External refrigeration with work-producing gas expansion loop with mutliple gas expansion loops of the same refrigerant
-
- 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
- F25J—LIQUEFACTION, SOLIDIFICATION OR SEPARATION OF GASES OR GASEOUS OR LIQUEFIED GASEOUS MIXTURES BY PRESSURE AND COLD TREATMENT OR BY BRINGING THEM INTO THE SUPERCRITICAL STATE
- F25J2270/00—Refrigeration techniques used
- F25J2270/90—External refrigeration, e.g. conventional closed-loop mechanical refrigeration unit using Freon or NH3, unspecified external refrigeration
- F25J2270/912—Liquefaction cycle of a low-boiling (feed) gas in a cryocooler, i.e. in a closed-loop refrigerator
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S505/00—Superconductor technology: apparatus, material, process
- Y10S505/825—Apparatus per se, device per se, or process of making or operating same
- Y10S505/884—Conductor
- Y10S505/885—Cooling, or feeding, circulating, or distributing fluid; in superconductive apparatus
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP51063054A JPS607396B2 (ja) | 1976-05-31 | 1976-05-31 | 超電導装置 |
US05/801,601 US4209657A (en) | 1976-05-31 | 1977-05-31 | Apparatus for immersion-cooling superconductor |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP51063054A JPS607396B2 (ja) | 1976-05-31 | 1976-05-31 | 超電導装置 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS52147997A true JPS52147997A (en) | 1977-12-08 |
JPS607396B2 JPS607396B2 (ja) | 1985-02-23 |
Family
ID=13218227
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP51063054A Expired JPS607396B2 (ja) | 1976-05-31 | 1976-05-31 | 超電導装置 |
Country Status (2)
Country | Link |
---|---|
US (1) | US4209657A (ja) |
JP (1) | JPS607396B2 (ja) |
Families Citing this family (17)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4369636A (en) * | 1981-07-06 | 1983-01-25 | General Atomic Company | Methods and apparatus for reducing heat introduced into superconducting systems by electrical leads |
US4609109A (en) * | 1982-07-06 | 1986-09-02 | Cryogenic Consultants Limited | Superconducting magnetic separators |
EP0122498B1 (en) * | 1983-04-15 | 1988-06-08 | Hitachi, Ltd. | Cryostat |
DE3344046A1 (de) * | 1983-12-06 | 1985-06-20 | Brown, Boveri & Cie Ag, 6800 Mannheim | Kuehlsystem fuer indirekt gekuehlte supraleitende magnete |
US4600802A (en) * | 1984-07-17 | 1986-07-15 | University Of Florida | Cryogenic current lead and method |
US4702825A (en) * | 1984-12-24 | 1987-10-27 | Eriez Manufacturing Company | Superconductor high gradient magnetic separator |
US4951471A (en) * | 1986-05-16 | 1990-08-28 | Daikin Industries, Ltd. | Cryogenic refrigerator |
US4840043A (en) * | 1986-05-16 | 1989-06-20 | Katsumi Sakitani | Cryogenic refrigerator |
US5193349A (en) * | 1991-08-05 | 1993-03-16 | Chicago Bridge & Iron Technical Services Company | Method and apparatus for cooling high temperature superconductors with neon-nitrogen mixtures |
US5347819A (en) * | 1992-11-05 | 1994-09-20 | Ishikawajima-Harima Heavy Industries, Co., Ltd. | Method and apparatus for manufacturing superfluidity helium |
DE19502549A1 (de) * | 1995-01-27 | 1996-08-01 | Siemens Ag | Magneteinrichtung mit forciert zu kühlender supraleitender Wicklung |
FR2881216B1 (fr) * | 2005-01-27 | 2007-04-06 | Org Europeene De Rech | Installation de refroidissement cryogenique pour dispositif supraconducteur |
GB2433581B (en) * | 2005-12-22 | 2008-02-27 | Siemens Magnet Technology Ltd | Closed-loop precooling of cryogenically cooled equipment |
WO2010143603A1 (ja) * | 2009-06-11 | 2010-12-16 | 株式会社 日立メディコ | 磁気共鳴イメージング装置の調整方法および超電導磁石励磁用ドック |
DE102010028750B4 (de) * | 2010-05-07 | 2014-07-03 | Bruker Biospin Gmbh | Verlustarme Kryostatenanordnung |
JP6144521B2 (ja) * | 2013-03-29 | 2017-06-07 | 株式会社前川製作所 | 超電導ケーブルの冷却装置 |
EP4116639A1 (de) * | 2021-07-05 | 2023-01-11 | Linde Kryotechnik AG | Vorkühlkreis und verfahren zur helium-kälteversorgung |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2704431A (en) * | 1949-01-17 | 1955-03-22 | Northrop Aircraft Inc | Stable resonant circuit |
US2901893A (en) * | 1956-05-24 | 1959-09-01 | Alvin R Saltzman | Thermal diffusion desorption cooling system |
DE1439375B2 (de) * | 1964-05-08 | 1971-03-11 | Siemens AG, 1000 Berlin u 8000 München | Magnetspule mit wenigstens einer supraleitenden wicklung und wenigstens einer innerhalb der supraleitenden wicklung angeordneten gekuehlten normalleitenden wicklung |
US3412320A (en) * | 1966-05-16 | 1968-11-19 | Varian Associates | Cryostat having an effective heat exchanger for cooling its input leads and other leak paths |
US3513421A (en) * | 1967-11-24 | 1970-05-19 | Rca Corp | Protective apparatus for a superconductive switch |
CH501321A (de) * | 1968-12-19 | 1970-12-31 | Sulzer Ag | Verfahren zum Kühlen eines Verbrauchers, der aus einem teilweise stabilisierten Supraleitungsmagneten besteht |
DE2164706B1 (de) * | 1971-12-27 | 1973-06-20 | Siemens Ag, 1000 Berlin U. 8000 Muenchen | Stromzuführung fur elektrische Ein richtungen mit auf Tieftemperatur gc kühlten Leitern |
US4020275A (en) * | 1976-01-27 | 1977-04-26 | The United States Of America As Represented By The United States Energy Research And Development Administration | Superconducting cable cooling system by helium gas at two pressures |
-
1976
- 1976-05-31 JP JP51063054A patent/JPS607396B2/ja not_active Expired
-
1977
- 1977-05-31 US US05/801,601 patent/US4209657A/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
JPS607396B2 (ja) | 1985-02-23 |
US4209657A (en) | 1980-06-24 |
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