EP4141346A4 - Cooling device and cold head exchange method - Google Patents

Cooling device and cold head exchange method

Info

Publication number
EP4141346A4
EP4141346A4 EP21791740.0A EP21791740A EP4141346A4 EP 4141346 A4 EP4141346 A4 EP 4141346A4 EP 21791740 A EP21791740 A EP 21791740A EP 4141346 A4 EP4141346 A4 EP 4141346A4
Authority
EP
European Patent Office
Prior art keywords
cooling device
exchange method
cold head
head exchange
cold
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.)
Pending
Application number
EP21791740.0A
Other languages
German (de)
French (fr)
Other versions
EP4141346A1 (en
Inventor
Hiroyuki Watanabe
Tomoo Chiba
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Hitachi Ltd
Original Assignee
Hitachi Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Hitachi Ltd filed Critical Hitachi Ltd
Publication of EP4141346A1 publication Critical patent/EP4141346A1/en
Publication of EP4141346A4 publication Critical patent/EP4141346A4/en
Pending legal-status Critical Current

Links

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
    • F25B9/10—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
    • 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
    • F25B9/002—Compression machines, plants or systems, in which the refrigerant is air or other gas of low boiling point characterised by the 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
    • 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
    • F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
    • F25D2400/00—General features of, or devices for refrigerators, cold rooms, ice-boxes, or for cooling or freezing apparatus not covered by any other subclass
    • F25D2400/02—Refrigerators including a heater

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Mechanical Engineering (AREA)
  • Thermal Sciences (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Containers, Films, And Cooling For Superconductive Devices (AREA)
EP21791740.0A 2020-04-21 2021-02-15 Cooling device and cold head exchange method Pending EP4141346A4 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2020075083A JP7451006B2 (en) 2020-04-21 2020-04-21 Cooling device and cold head replacement method
PCT/JP2021/005482 WO2021215090A1 (en) 2020-04-21 2021-02-15 Cooling device and cold head exchange method

Publications (2)

Publication Number Publication Date
EP4141346A1 EP4141346A1 (en) 2023-03-01
EP4141346A4 true EP4141346A4 (en) 2024-04-17

Family

ID=78270539

Family Applications (1)

Application Number Title Priority Date Filing Date
EP21791740.0A Pending EP4141346A4 (en) 2020-04-21 2021-02-15 Cooling device and cold head exchange method

Country Status (5)

Country Link
US (1) US20230104504A1 (en)
EP (1) EP4141346A4 (en)
JP (1) JP7451006B2 (en)
CN (1) CN115210510A (en)
WO (1) WO2021215090A1 (en)

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6375765U (en) * 1986-11-07 1988-05-20
US4765153A (en) * 1986-02-12 1988-08-23 Kabushiki Kaisha Toshiba Cryostat with radiation shields cooled by refrigerator
JP2002252111A (en) * 2001-02-22 2002-09-06 Japan Magnet Technol Kk Superconducting magnet device
EP1557624A2 (en) * 2004-01-26 2005-07-27 Kabushiki Kaisha Kobe Seiko Sho (Kobe Steel, Ltd.) Cryogenic system
JP2007127298A (en) * 2005-11-01 2007-05-24 Kobe Steel Ltd Cryogenic device
EP2947403A1 (en) * 2013-01-15 2015-11-25 Kabushiki Kaisha Kobe Seiko Sho (Kobe Steel, Ltd.) Ultra-low-temperature device and method for refrigerating object to be refrigerated using same
JP2019056519A (en) * 2017-09-21 2019-04-11 株式会社東芝 Ultralow temperature cooling device

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP6559462B2 (en) 2015-05-12 2019-08-14 株式会社東芝 Cryogenic container and superconducting magnet device
JP7068032B2 (en) * 2018-05-17 2022-05-16 株式会社東芝 Very low temperature cooling device
CN109632150B (en) 2018-12-26 2020-07-07 合肥中科离子医学技术装备有限公司 Device for measuring refrigerating power of GM refrigerator
CN110440477B (en) * 2019-08-26 2024-05-28 西南交通大学 Pluggable low-temperature container

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4765153A (en) * 1986-02-12 1988-08-23 Kabushiki Kaisha Toshiba Cryostat with radiation shields cooled by refrigerator
JPS6375765U (en) * 1986-11-07 1988-05-20
JP2002252111A (en) * 2001-02-22 2002-09-06 Japan Magnet Technol Kk Superconducting magnet device
EP1557624A2 (en) * 2004-01-26 2005-07-27 Kabushiki Kaisha Kobe Seiko Sho (Kobe Steel, Ltd.) Cryogenic system
JP2007127298A (en) * 2005-11-01 2007-05-24 Kobe Steel Ltd Cryogenic device
EP2947403A1 (en) * 2013-01-15 2015-11-25 Kabushiki Kaisha Kobe Seiko Sho (Kobe Steel, Ltd.) Ultra-low-temperature device and method for refrigerating object to be refrigerated using same
JP2019056519A (en) * 2017-09-21 2019-04-11 株式会社東芝 Ultralow temperature cooling device

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of WO2021215090A1 *

Also Published As

Publication number Publication date
EP4141346A1 (en) 2023-03-01
JP7451006B2 (en) 2024-03-18
CN115210510A (en) 2022-10-18
WO2021215090A1 (en) 2021-10-28
US20230104504A1 (en) 2023-04-06
JP2021173429A (en) 2021-11-01

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A4 Supplementary search report drawn up and despatched

Effective date: 20240318

RIC1 Information provided on ipc code assigned before grant

Ipc: F25B 9/00 20060101AFI20240313BHEP