GB1168997A - Improvements relating to Cooling Apparatus - Google Patents

Improvements relating to Cooling Apparatus

Info

Publication number
GB1168997A
GB1168997A GB51953/65A GB5195365A GB1168997A GB 1168997 A GB1168997 A GB 1168997A GB 51953/65 A GB51953/65 A GB 51953/65A GB 5195365 A GB5195365 A GB 5195365A GB 1168997 A GB1168997 A GB 1168997A
Authority
GB
United Kingdom
Prior art keywords
gas
tubing
spiral
casing
orifice
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
GB51953/65A
Inventor
John Alfred Gurdler
John Francis Knight
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.)
EMI Ltd
Electrical and Musical Industries Ltd
Original Assignee
EMI Ltd
Electrical and Musical Industries 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 EMI Ltd, Electrical and Musical Industries Ltd filed Critical EMI Ltd
Priority to GB51953/65A priority Critical patent/GB1168997A/en
Publication of GB1168997A publication Critical patent/GB1168997A/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

1,168,997. Refrigerating; liquefaction of gases. ELECTRIC & MUSICAL INDUSTRIES Ltd. 23 Nov., 1966 [8 Dec., 1965], No. 51953/65. Headings F4H and F4P. Cooling apparatus comprises a spiral of coiled or finned tubing 1 through which compressed gas is passed from an inlet end 6 to an outlet orifice 5 at the centre of the spiral, gas cooled by expansion at orifice 5 being allowed to pass over the outside of tubing 1. The tubing is housed in a casing 2 having a frusto-conical portion 3 into which gas from orifice 5 issues tangentially and in which liquefied gas from the orifice collects to cool an infra-red detector 7. Tangential apertures are provided in the periphery of casing 2 and region 3 to allow gas to escape after passing over the spiral. A spiral baffle may be provided in casing 2 to cause the gas to flow lengthwise of the tubing 1 or, if the latter is finned, deflectors may be provided to cause a radial gas flow. The gas may be air, with carbon dioxide and water removed, nitrogen or argon and is supplied at a pressure of between 2000 and 6000 p.s.i. Stainless steel or cupro-nickel tubing having an internal diameter of 0À01 inch is employed. Casing 2 is described in greater detail with reference to Fig. 3 (not shown). The spiral may be dished into a conical or hemi-spherical form.
GB51953/65A 1965-12-08 1965-12-08 Improvements relating to Cooling Apparatus Expired GB1168997A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB51953/65A GB1168997A (en) 1965-12-08 1965-12-08 Improvements relating to Cooling Apparatus

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB51953/65A GB1168997A (en) 1965-12-08 1965-12-08 Improvements relating to Cooling Apparatus

Publications (1)

Publication Number Publication Date
GB1168997A true GB1168997A (en) 1969-10-29

Family

ID=10462095

Family Applications (1)

Application Number Title Priority Date Filing Date
GB51953/65A Expired GB1168997A (en) 1965-12-08 1965-12-08 Improvements relating to Cooling Apparatus

Country Status (1)

Country Link
GB (1) GB1168997A (en)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0128196A1 (en) * 1982-12-01 1984-12-19 LITTLE, William A. Fast cooldown miniature refrigerators
FR2590357A1 (en) * 1985-11-21 1987-05-22 Telecommunications Sa Cooling device with Joule-Thomson expansion and its application to photodetectors
FR2602316A1 (en) * 1986-07-31 1988-02-05 Air Liquide JOULE-THOMSON COOLER, MANUFACTURING METHOD AND CRYOSTAT COMPRISING THE COOLER
FR2611870A1 (en) * 1987-03-06 1988-09-09 Air Liquide JOULE-THOMSON MINIATURE CHILLER WITH RELAXATION AND METHOD OF MANUFACTURING THE SAME
EP0349933A2 (en) * 1988-07-07 1990-01-10 Licentia Patent-Verwaltungs-GmbH Housing for infrared sensitive elements
GB2340923A (en) * 1998-08-27 2000-03-01 Air Liquide Joule-Thomson cooler

Cited By (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0128196A1 (en) * 1982-12-01 1984-12-19 LITTLE, William A. Fast cooldown miniature refrigerators
EP0128196A4 (en) * 1982-12-01 1985-06-26 William A Little Fast cooldown miniature refrigerators.
FR2590357A1 (en) * 1985-11-21 1987-05-22 Telecommunications Sa Cooling device with Joule-Thomson expansion and its application to photodetectors
FR2602316A1 (en) * 1986-07-31 1988-02-05 Air Liquide JOULE-THOMSON COOLER, MANUFACTURING METHOD AND CRYOSTAT COMPRISING THE COOLER
EP0258093A1 (en) * 1986-07-31 1988-03-02 L'air Liquide, Societe Anonyme Pour L'etude Et L'exploitation Des Procedes Georges Claude Joule-Thomson cooler and cryostat provided with this cooler
FR2611870A1 (en) * 1987-03-06 1988-09-09 Air Liquide JOULE-THOMSON MINIATURE CHILLER WITH RELAXATION AND METHOD OF MANUFACTURING THE SAME
EP0286462A1 (en) * 1987-03-06 1988-10-12 L'air Liquide, Societe Anonyme Pour L'etude Et L'exploitation Des Procedes Georges Claude Miniature Joule-Thomson expansion refrigerator, and method of manufacturing it
EP0349933A2 (en) * 1988-07-07 1990-01-10 Licentia Patent-Verwaltungs-GmbH Housing for infrared sensitive elements
DE3823006A1 (en) * 1988-07-07 1990-01-11 Licentia Gmbh HOUSING FOR OPTOELECTRONIC COMPONENTS
EP0349933A3 (en) * 1988-07-07 1990-11-22 Licentia Patent-Verwaltungs-Gmbh Housing for optoelectronic elements
US4974062A (en) * 1988-07-07 1990-11-27 Licentia Patent-Verwaltungs-Gmbh Housing for opto-electronic components
GB2340923A (en) * 1998-08-27 2000-03-01 Air Liquide Joule-Thomson cooler
FR2782785A1 (en) * 1998-08-27 2000-03-03 Air Liquide JOULE-THOMSON COOLER
US6202422B1 (en) 1998-08-27 2001-03-20 L'air Liquide, Societe Anonyme Pour L'etude Et L'exploitation Des Procedes Georges Claude Joule-Thomson cooler
GB2340923B (en) * 1998-08-27 2003-05-14 Air Liquide Joule-thomson cooler

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