GB1431333A - Cryogenic refrigeration utilising the joule-thomson effect - Google Patents

Cryogenic refrigeration utilising the joule-thomson effect

Info

Publication number
GB1431333A
GB1431333A GB1400773A GB1400773A GB1431333A GB 1431333 A GB1431333 A GB 1431333A GB 1400773 A GB1400773 A GB 1400773A GB 1400773 A GB1400773 A GB 1400773A GB 1431333 A GB1431333 A GB 1431333A
Authority
GB
United Kingdom
Prior art keywords
orifice
refrigerant
joule
flow rate
passage
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
GB1400773A
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.)
Air Liquide SA
LAir Liquide SA pour lEtude et lExploitation des Procedes Georges Claude
Original Assignee
Air Liquide SA
LAir Liquide SA pour lEtude et lExploitation des Procedes Georges Claude
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 Air Liquide SA, LAir Liquide SA pour lEtude et lExploitation des Procedes Georges Claude filed Critical Air Liquide SA
Publication of GB1431333A publication Critical patent/GB1431333A/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
    • 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
    • F25B9/02—Compression machines, plants or systems, in which the refrigerant is air or other gas of low boiling point using Joule-Thompson effect; using vortex effect
    • 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
    • F25B2309/02—Gas cycle refrigeration machines using the Joule-Thompson effect
    • F25B2309/022—Gas cycle refrigeration machines using the Joule-Thompson effect characterised by the expansion element

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Mechanical Engineering (AREA)
  • Thermal Sciences (AREA)
  • General Engineering & Computer Science (AREA)
  • Devices That Are Associated With Refrigeration Equipment (AREA)
  • Temperature-Responsive Valves (AREA)

Abstract

1431333 Refrigerating L'AIR LIQUIDESOC ANON POUR L'ETUDE ET L'EXPLOITATION DES PROCEDES GEORGES CLAUDE 22 March 1973 [23 May 1972] 14007/73 Heading F4H In a cryogenic refrigeration apparatus, the flow of refrigerant through a Joule-Thomson nozzle is maintained at a rate above a predetermined minimum and the flow rate also may be proportional to the temperature of low pressure fluid in the apparatus. As described, a radiation detector 18 mounted in a dewar 5, 6 is cooled by a refrigerant, e.g. nitrogen, passed to a Joule- Thomson orifice 11 through a coiled heat exchange tube 50 over which the low pressure gas from an expansion chamber 17 in thermal contact with the detector passes through a passage 8. The proportional flow rate of refrigerant through the orifice is controlled either by the position of a needle valve 10 controlled by a bellows 20 defining a chamber 19 filled with a sealed charge of an expandable gas and sensitive to the temperature within the passage 8 or by a thermocouple in the chamber 17 which generates an electrical signal which is transmitted to an electro-pneumatic valve located externally of the apparatus to control the refrigerant flow to the orifice. The minimum flow rate is achieved either by a needle adapted to allow at least 2% of the total cross-section of the orifice to be open at all times or a leakage passage is formed in the seating of the valve or in the needle valve itself.
GB1400773A 1972-03-23 1973-03-22 Cryogenic refrigeration utilising the joule-thomson effect Expired GB1431333A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7210139A FR2176544B1 (en) 1972-03-23 1972-03-23

Publications (1)

Publication Number Publication Date
GB1431333A true GB1431333A (en) 1976-04-07

Family

ID=9095674

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1400773A Expired GB1431333A (en) 1972-03-23 1973-03-22 Cryogenic refrigeration utilising the joule-thomson effect

Country Status (5)

Country Link
US (1) US3827252A (en)
JP (1) JPS4935940A (en)
DE (1) DE2314003A1 (en)
FR (1) FR2176544B1 (en)
GB (1) GB1431333A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2665753A1 (en) * 1990-08-07 1992-02-14 Hymatic Eng Co Ltd Cryogenic cooling apparatus using the Joule-Thompson effect

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4080802A (en) * 1976-07-14 1978-03-28 International Telephone And Telegraph Corporation Hybrid gas cryogenic cooler
US4236518A (en) * 1978-04-14 1980-12-02 Gyne-Tech Instrument Corporation Cryogenic device selectively operable in a continuous freezing mode, a continuous thawing mode or a combination thereof
US4237699A (en) * 1979-05-23 1980-12-09 Air Products And Chemicals, Inc. Variable flow cryostat with dual orifice
FR2520131B1 (en) * 1982-01-19 1985-09-20 Telecommunications Sa REGULATION DEVICE FOR A JOULE-THOMSON EFFECT REFRIGERATOR
GB2153509B (en) * 1984-01-26 1986-11-12 Hymatic Eng Co Ltd Cryogenic cooling apparatus
FR2568385B1 (en) * 1984-07-30 1986-09-26 Telecommunications Sa JOULE-THOMSON COOLER REGULATOR
US4631928A (en) * 1985-10-31 1986-12-30 General Pneumatics Corporation Joule-Thomson apparatus with temperature sensitive annular expansion passageway
FR2598206B1 (en) * 1986-05-05 1988-07-08 Air Liquide JOULE-THOMSON COOLER.
FR2599128A1 (en) * 1986-05-26 1987-11-27 Air Liquide PROCESS FOR SUPPLYING A JOULE-THOMSON COOLER AND COOLING APPARATUS FOR ITS IMPLEMENTATION
FR2645256B1 (en) * 1989-03-15 1994-12-23 Air Liquide JOULE-THOMSON DUAL FLOW COOLER
US5548963A (en) * 1995-06-08 1996-08-27 Hughes Missile Systems Company Joule-Thompson cryostat for use with multiple coolants
US5595065A (en) * 1995-07-07 1997-01-21 Apd Cryogenics Closed cycle cryogenic refrigeration system with automatic variable flow area throttling device
CA2969978C (en) * 2016-06-24 2019-07-02 Universidad De Zaragoza System and method for improving the liquefaction rate in cryocooler- based cryogen gas liquefiers
CN110142546B (en) * 2019-05-15 2021-04-30 中国电子科技集团公司第十一研究所 Corrugated pipe type J-T refrigerator self-adjusting mechanism assembling clamp using diaphragm spring
CN110274404A (en) * 2019-05-15 2019-09-24 中国电子科技集团公司第十一研究所 Bellows self-adjustable J-T refrigerator

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3055192A (en) * 1960-12-01 1962-09-25 Specialties Dev Corp Cooling apparatus
US3320755A (en) * 1965-11-08 1967-05-23 Air Prod & Chem Cryogenic refrigeration system
US3517525A (en) * 1967-06-28 1970-06-30 Hymatic Eng Co Ltd Cooling apparatus employing the joule-thomson effect
US3457730A (en) * 1967-10-02 1969-07-29 Hughes Aircraft Co Throttling valve employing the joule-thomson effect
GB1238911A (en) * 1968-08-06 1971-07-14
US3704598A (en) * 1969-03-25 1972-12-05 Hymatic Eng Co Ltd Cryogenic cooling apparatus
US3640091A (en) * 1969-05-13 1972-02-08 Santa Barbara Res Center Valve arrangement to provide temperature level control at cryogenic temperature ranges
GB1330837A (en) * 1969-12-08 1973-09-19 Hymatic Eng Co Ltd Cooling apparatus
GB1311003A (en) * 1970-02-18 1973-03-21 Hymatic Eng Co Ltd Cryogenic cooling apparatus
US3728868A (en) * 1971-12-06 1973-04-24 Air Prod & Chem Cryogenic refrigeration system

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2665753A1 (en) * 1990-08-07 1992-02-14 Hymatic Eng Co Ltd Cryogenic cooling apparatus using the Joule-Thompson effect
GB2247517A (en) * 1990-08-07 1992-03-04 Hymatic Eng Co Ltd Cryogenic cooling apparatus
US5181386A (en) * 1990-08-07 1993-01-26 The Hymatic Engineering Company Limited Cryogenic cooling apparatus
GB2247517B (en) * 1990-08-07 1994-01-26 Hymatic Eng Co Ltd Cryogenic cooling apparatus
USRE34748E (en) * 1990-08-07 1994-10-04 The Hymatic Engineering Company Limited Cryogenic cooling apparatus

Also Published As

Publication number Publication date
FR2176544B1 (en) 1982-02-19
JPS4935940A (en) 1974-04-03
FR2176544A1 (en) 1973-11-02
US3827252A (en) 1974-08-06
DE2314003A1 (en) 1973-10-04

Similar Documents

Publication Publication Date Title
GB1431333A (en) Cryogenic refrigeration utilising the joule-thomson effect
US3320755A (en) Cryogenic refrigeration system
GB1411758A (en) Cryogenic refrigeration system
ES449090A1 (en) Movable expansion valve
GB1454508A (en) Refrigeration control systems
GB1308868A (en) Cryogenic freezer control
US3714796A (en) Cryogenic refrigeration system with dual circuit heat exchanger
GB1310766A (en) Apparatus for the continuous cooling of objects to temperatures below 2.18k
GB1238911A (en)
GB1252853A (en)
GB1422535A (en) Cryogenic apparatus
GB1213113A (en) Device for sealing off valve stems
GB1255136A (en) Cryostat
FR2377588A1 (en) CRYOGENIC COOLING UNIT
US4237699A (en) Variable flow cryostat with dual orifice
GB1246161A (en) Generation of energy in a gas cycle
GB1397000A (en) Chilling of water
GB1330837A (en) Cooling apparatus
JPS5790558A (en) Low temperature generator
GB1138781A (en) An apparatus for determining the photosynthetic performance and the transpiration rate of plants
GB1230896A (en)
JPH04227439A (en) Low-temperature cooling device
GB1238470A (en)
GB1297131A (en)
US3225174A (en) Apparatus for maintaining constant the temperature of a flow of cryogenic gas

Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PE20 Patent expired after termination of 20 years

Effective date: 19930321