CA1116107A - Vase dewar a faible emissivite pour l'azote liquide - Google Patents

Vase dewar a faible emissivite pour l'azote liquide

Info

Publication number
CA1116107A
CA1116107A CA321,939A CA321939A CA1116107A CA 1116107 A CA1116107 A CA 1116107A CA 321939 A CA321939 A CA 321939A CA 1116107 A CA1116107 A CA 1116107A
Authority
CA
Canada
Prior art keywords
shell
free
dewar
liquid
aluminum
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
CA321,939A
Other languages
English (en)
Inventor
George D. Kneip, Jr.
George Chmyz
Marvin H. Anderson
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.)
Varian Medical Systems Inc
Original Assignee
Varian Associates Inc
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 Varian Associates Inc filed Critical Varian Associates Inc
Application granted granted Critical
Publication of CA1116107A publication Critical patent/CA1116107A/fr
Expired legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • F17C3/00—Vessels not under pressure
    • F17C3/02—Vessels not under pressure with provision for thermal insulation
    • F17C3/08—Vessels not under pressure with provision for thermal insulation by vacuum spaces, e.g. Dewar flask
    • C—CHEMISTRY; METALLURGY
    • C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
    • C23G—CLEANING OR DE-GREASING OF METALLIC MATERIAL BY CHEMICAL METHODS OTHER THAN ELECTROLYSIS
    • C23G1/00—Cleaning or pickling metallic material with solutions or molten salts
    • C23G1/02—Cleaning or pickling metallic material with solutions or molten salts with acid solutions
    • C23G1/12—Light metals
    • C23G1/125—Light metals aluminium
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • F17C2203/00—Vessel construction, in particular walls or details thereof
    • F17C2203/03—Thermal insulations
    • F17C2203/0304—Thermal insulations by solid means
    • F17C2203/0308—Radiation shield
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • F17C2203/00—Vessel construction, in particular walls or details thereof
    • F17C2203/06—Materials for walls or layers thereof; Properties or structures of walls or their materials
    • F17C2203/0602—Wall structures; Special features thereof
    • F17C2203/0612—Wall structures
    • F17C2203/0626—Multiple walls
    • F17C2203/0629—Two walls
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • F17C2203/00—Vessel construction, in particular walls or details thereof
    • F17C2203/06—Materials for walls or layers thereof; Properties or structures of walls or their materials
    • F17C2203/0634—Materials for walls or layers thereof
    • F17C2203/0636—Metals
    • F17C2203/0646—Aluminium
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • F17C2203/00—Vessel construction, in particular walls or details thereof
    • F17C2203/06—Materials for walls or layers thereof; Properties or structures of walls or their materials
    • F17C2203/0634—Materials for walls or layers thereof
    • F17C2203/0636—Metals
    • F17C2203/0648—Alloys or compositions of metals
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • F17C2221/00—Handled fluid, in particular type of fluid
    • F17C2221/01—Pure fluids
    • F17C2221/014—Nitrogen
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • F17C2223/00—Handled fluid before transfer, i.e. state of fluid when stored in the vessel or before transfer from the vessel
    • F17C2223/01—Handled fluid before transfer, i.e. state of fluid when stored in the vessel or before transfer from the vessel characterised by the phase
    • F17C2223/0146—Two-phase
    • F17C2223/0153—Liquefied gas, e.g. LPG, GPL
    • F17C2223/0161—Liquefied gas, e.g. LPG, GPL cryogenic, e.g. LNG, GNL, PLNG
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • F17C2270/00—Applications
    • F17C2270/05—Applications for industrial use
    • F17C2270/0509—"Dewar" vessels
CA321,939A 1978-02-21 1979-02-20 Vase dewar a faible emissivite pour l'azote liquide Expired CA1116107A (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US87929078A 1978-02-21 1978-02-21
US879,290 1978-02-21

Publications (1)

Publication Number Publication Date
CA1116107A true CA1116107A (fr) 1982-01-12

Family

ID=25373827

Family Applications (1)

Application Number Title Priority Date Filing Date
CA321,939A Expired CA1116107A (fr) 1978-02-21 1979-02-20 Vase dewar a faible emissivite pour l'azote liquide

Country Status (6)

Country Link
JP (2) JPS54128821A (fr)
CA (1) CA1116107A (fr)
CH (1) CH639744A5 (fr)
DE (1) DE2906075A1 (fr)
FR (1) FR2417719A1 (fr)
GB (1) GB2015720B (fr)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4350017A (en) * 1980-11-10 1982-09-21 Varian Associates, Inc. Cryostat structure
GB2129117B (en) * 1982-08-25 1985-12-18 Zojirushi Vacuum Bottle Co Stainless steel vacuum bottle and its production
US5417819A (en) * 1994-01-21 1995-05-23 Aluminum Company Of America Method for desmutting aluminum alloys having a highly reflective surface
JP2003068520A (ja) * 2001-08-23 2003-03-07 Sumitomo Heavy Ind Ltd 冷凍機冷却型超電導マグネット装置
CN106939964A (zh) * 2017-03-04 2017-07-11 杭州医学院 一种热水瓶式液氮罐及内胆替换方法

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB814207A (en) * 1956-08-03 1959-06-03 Aro Equipment Corp Vacuum insulated vessels
US2541083A (en) * 1945-08-25 1951-02-13 Sperry Corp Electroplating on aluminum
US2643022A (en) * 1947-08-15 1953-06-23 Union Carbide & Carbon Corp Radiation shield supports in vacuum insulated containers
FR1029818A (fr) * 1949-08-08 1953-06-08 Vaw Ver Aluminium Werke Ag Procédé chimique pour l'obtention de surfaces à haut brillant sur l'aluminium et les alliages d'aluminium
US2719781A (en) * 1952-04-09 1955-10-04 Kaiser Aluminium Chem Corp Composition and method for treating aluminum and aluminum alloys
US2729551A (en) * 1954-01-18 1956-01-03 Samuel L Cohn Surface treatment of aluminum and its alloys
US2776069A (en) * 1955-06-30 1957-01-01 Little Inc A Container for liquefied gas
FR2036463A5 (en) * 1969-03-14 1970-12-24 Air Liquide Insulating cryogenic fluid containers

Also Published As

Publication number Publication date
DE2906075A1 (de) 1979-08-30
FR2417719A1 (fr) 1979-09-14
JPH0260584B2 (fr) 1990-12-17
GB2015720A (en) 1979-09-12
JPS54128821A (en) 1979-10-05
CH639744A5 (de) 1983-11-30
FR2417719B1 (fr) 1984-01-20
JPH0432555B2 (fr) 1992-05-29
GB2015720B (en) 1982-10-13
JPH01251677A (ja) 1989-10-06
DE2906075C2 (fr) 1987-03-12

Similar Documents

Publication Publication Date Title
Kneisel et al. On surface preparation and measurement of niobium used in high‐frequency cavities
Ciovati et al. High field Q slope and the baking effect: Review of recent experimental results and new data on Nb heat treatments
CA1116107A (fr) Vase dewar a faible emissivite pour l'azote liquide
US5063651A (en) Method of manufacturing a low emissivity liquid nitrogen dewar
US3784452A (en) Method of treating the surface of superconducting niobium cavity resonators
EP1132501B1 (fr) Aluminium anodisé, ayant subi un traitement cryogénique
Dhakal et al. Surface characterization of nitrogen-doped high purity niobium coupons compared with superconducting rf cavity performance
US4127452A (en) Method for the manufacture of a superconductive Nb3 Sn layer on a niobium surface for high frequency applications
US5510144A (en) Process for preventing heavy metal migration in crystal articles
US4105512A (en) Method for the manufacture of a superconductive Nb3 Sn layer on a niobium surface for high frequency applications
Kumagai et al. NMR Study on the Coexistence of Superconductivity and Ferromagnetism in (Ce1-x Gd x) Ru2
CN111800933B (zh) 一种超导腔中温退火方法
Ciovati et al. Measurement of the high-field Q drop in the TM 010 and TE 011 modes in a niobium cavity
US3212939A (en) Method of lowering the surface recombination velocity of indium antimonide crystals
Dhakal Recent development on nitrogen infusion work towards high Q and high gradient
Banerjee et al. Origin of luminescence in porous silicon
Lilje Experimental investigations on superconducting niobium cavities at highest radiofrequency fields
Maple Magnetic ordering in (La, Gd) Al2 alloys
Kako et al. Cavity performance in the 1.3 GHz Saclay/KEK Nb cavities
Lengeler et al. Superconducting niobium cavities of improved thermal conductivity
US4330344A (en) Selective absorber of solar energy and process for producing same
JPH06208841A (ja) 走査電子顕微鏡のクライオ装置
Furuya et al. First results on a 500 MHz superconducting test cavity for TRISTAN
Grasselino et al. High q0 in superconducting niobium cavities: Progress at fnal and future plans
O'Hanlon Factors Affecting the Growth Rate of Plasma A nodi zed Al2 O 3

Legal Events

Date Code Title Description
MKEX Expiry