GB867760A - Joule-thompson effect gas cooling device - Google Patents

Joule-thompson effect gas cooling device

Info

Publication number
GB867760A
GB867760A GB5157/60A GB515760A GB867760A GB 867760 A GB867760 A GB 867760A GB 5157/60 A GB5157/60 A GB 5157/60A GB 515760 A GB515760 A GB 515760A GB 867760 A GB867760 A GB 867760A
Authority
GB
United Kingdom
Prior art keywords
tube
capillary tube
nitrogen
open
joule
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
GB5157/60A
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.)
STC PLC
Original Assignee
Standard Telephone and Cables PLC
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 Standard Telephone and Cables PLC filed Critical Standard Telephone and Cables PLC
Publication of GB867760A publication Critical patent/GB867760A/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

Abstract

867760 Liquefaction of gases STANDARD TELEPHONES & CABLES Ltd 12 Feb 1960 [17 Feb 1959] 5157/60 Headings F4H and HG13 A cryostat for cooling infrared cells, utilizing the Joule-Thompson effect wherein gaseous nitrogen is fed into an inner capillary tube 15 coiled within and extending along the length of an outer tube 11 and open at its far end opposite the closed end 12 of the outer tube which is itself helically coiled. The nitrogen flairing at 2 litres/min. under a pressure of 1200 p.s.i. discharges from the constricted end 16 or the capillary tube 15 and is cooled open expansion into the tube 11, cooling the ensuing nitrogen by contact with the coils of the capillary tube 15 as it flows to the open end 14 of the tube 11. When stainless steel is used for the tubes 11 and 15 which are in thermal contact by virtue of copper brazing the continued cooling followed by expansion results in a temperature of -194‹C. When forming the outer tube 11 into a helix its cross-section becomes deformed so as to grip the inner helical construction which may be a single capillary tube 15 or two or three in parallel with each other.
GB5157/60A 1959-02-17 1960-02-12 Joule-thompson effect gas cooling device Expired GB867760A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US867760XA 1959-02-17 1959-02-17

Publications (1)

Publication Number Publication Date
GB867760A true GB867760A (en) 1961-05-10

Family

ID=22200827

Family Applications (1)

Application Number Title Priority Date Filing Date
GB5157/60A Expired GB867760A (en) 1959-02-17 1960-02-12 Joule-thompson effect gas cooling device

Country Status (1)

Country Link
GB (1) GB867760A (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2134241A (en) * 1983-01-29 1984-08-08 George Ronald Booth Method of and means for heat transfer
GB2340923A (en) * 1998-08-27 2000-03-01 Air Liquide Joule-Thomson cooler
FR3022991A1 (en) * 2014-06-30 2016-01-01 Air Liquide JOULE-THOMSON COOLING DEVICE AND PHOTO-DETECTION APPARATUS COMPRISING SUCH A DEVICE
CN115093229A (en) * 2022-06-28 2022-09-23 东莞市冬驭新材料股份有限公司 Rapid air-cooled sintering process for artificial graphite

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2134241A (en) * 1983-01-29 1984-08-08 George Ronald Booth Method of and means for heat transfer
GB2340923A (en) * 1998-08-27 2000-03-01 Air Liquide Joule-Thomson cooler
GB2340923B (en) * 1998-08-27 2003-05-14 Air Liquide Joule-thomson cooler
FR3022991A1 (en) * 2014-06-30 2016-01-01 Air Liquide JOULE-THOMSON COOLING DEVICE AND PHOTO-DETECTION APPARATUS COMPRISING SUCH A DEVICE
EP2963360A1 (en) * 2014-06-30 2016-01-06 L'air Liquide, Societe Anonyme Pour L'etude Et L'exploitation Des Procedes Georges Claude Joule-thomson cooler and photodetector apparatus comprising such a device
CN115093229A (en) * 2022-06-28 2022-09-23 东莞市冬驭新材料股份有限公司 Rapid air-cooled sintering process for artificial graphite

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