GB1476998A - Helium dilution refrigerator - Google Patents

Helium dilution refrigerator

Info

Publication number
GB1476998A
GB1476998A GB4857074A GB4857074A GB1476998A GB 1476998 A GB1476998 A GB 1476998A GB 4857074 A GB4857074 A GB 4857074A GB 4857074 A GB4857074 A GB 4857074A GB 1476998 A GB1476998 A GB 1476998A
Authority
GB
United Kingdom
Prior art keywords
dilute
concentrated
pipe
chamber
substantially pure
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.)
Expired
Application number
GB4857074A
Other languages
English (en)
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.)
Koninklijke Philips NV
Original Assignee
Philips Gloeilampenfabrieken NV
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 Philips Gloeilampenfabrieken NV filed Critical Philips Gloeilampenfabrieken NV
Publication of GB1476998A publication Critical patent/GB1476998A/en
Expired 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
    • 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
    • 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
    • F25B9/12—Compression machines, plants or systems, in which the refrigerant is air or other gas of low boiling point using 3He-4He dilution

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Mechanical Engineering (AREA)
  • Thermal Sciences (AREA)
  • General Engineering & Computer Science (AREA)
  • Health & Medical Sciences (AREA)
  • Clinical Laboratory Science (AREA)
  • Separation By Low-Temperature Treatments (AREA)
  • Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
GB4857074A 1973-11-13 1974-11-08 Helium dilution refrigerator Expired GB1476998A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL7315487A NL7315487A (nl) 1973-11-13 1973-11-13 3he-4he verdunningskoelmachine.

Publications (1)

Publication Number Publication Date
GB1476998A true GB1476998A (en) 1977-06-16

Family

ID=19819984

Family Applications (1)

Application Number Title Priority Date Filing Date
GB4857074A Expired GB1476998A (en) 1973-11-13 1974-11-08 Helium dilution refrigerator

Country Status (9)

Country Link
US (1) US3922881A (nl)
JP (1) JPS5327859B2 (nl)
CA (1) CA1003236A (nl)
CH (1) CH587460A5 (nl)
DE (1) DE2452045A1 (nl)
FR (1) FR2250970B1 (nl)
GB (1) GB1476998A (nl)
NL (1) NL7315487A (nl)
SE (1) SE7414116L (nl)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL7504835A (nl) * 1975-04-24 1976-10-26 Philips Nv 3he-4he verdunnings koelmachine.
NL7605645A (nl) * 1976-05-26 1977-11-29 Philips Nv 3he-4he verdunningskoelmachine.
DE3271522D1 (en) * 1982-03-23 1986-07-10 Ibm Method and dilution refrigerator for cooling at temperatures below 1k
JPS60179881U (ja) * 1984-05-08 1985-11-29 株式会社三協精機製作所 センサ−回路
US5408848A (en) * 1994-02-25 1995-04-25 General Signal Corporation Non-CFC autocascade refrigeration system
DE10130171B4 (de) * 2001-06-22 2008-01-31 Raccanelli, Andrea, Dr. Verfahren und Vorrichtung zur Tieftemperaturkühlung
WO2006119418A2 (en) * 2005-05-03 2006-11-09 Kalechofsky, Neal Process and apparatus to continuously cool sample at ultra low temperatures
US20180112928A1 (en) * 2016-10-25 2018-04-26 Honeywell International Inc. Ultra-low temperature heat exchangers
CN112378111B (zh) * 2020-08-31 2021-11-02 中国科学院紫金山天文台 基于CRC-GL7制冷器的300mK吸附制冷自动降温优化控制方法
FR3129465B1 (fr) * 2021-11-19 2024-06-14 Air Liquide Dispositif de réfrigération à dilution

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL6807902A (nl) * 1968-06-05 1969-12-09

Also Published As

Publication number Publication date
SE7414116L (nl) 1975-05-14
FR2250970B1 (nl) 1978-11-24
DE2452045A1 (de) 1975-05-15
CA1003236A (en) 1977-01-11
US3922881A (en) 1975-12-02
JPS5327859B2 (nl) 1978-08-10
FR2250970A1 (nl) 1975-06-06
CH587460A5 (nl) 1977-04-29
JPS5079857A (nl) 1975-06-28
NL7315487A (nl) 1975-05-15

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Legal Events

Date Code Title Description
CSNS Application of which complete specification have been accepted and published, but patent is not sealed