GB1415332A - Low-temperature pumping devices - Google Patents

Low-temperature pumping devices

Info

Publication number
GB1415332A
GB1415332A GB5454172A GB5454172A GB1415332A GB 1415332 A GB1415332 A GB 1415332A GB 5454172 A GB5454172 A GB 5454172A GB 5454172 A GB5454172 A GB 5454172A GB 1415332 A GB1415332 A GB 1415332A
Authority
GB
United Kingdom
Prior art keywords
valve
opening
tank
chamber
disc
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
GB5454172A
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.)
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
Priority claimed from FR7142384A external-priority patent/FR2161484A5/fr
Application filed by Air Liquide SA, LAir Liquide SA pour lEtude et lExploitation des Procedes Georges Claude filed Critical Air Liquide SA
Publication of GB1415332A publication Critical patent/GB1415332A/en
Expired legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D8/00—Cold traps; Cold baffles
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B37/00—Pumps having pertinent characteristics not provided for in, or of interest apart from, groups F04B25/00 - F04B35/00
    • F04B37/06—Pumps having pertinent characteristics not provided for in, or of interest apart from, groups F04B25/00 - F04B35/00 for evacuating by thermal means
    • F04B37/08—Pumps having pertinent characteristics not provided for in, or of interest apart from, groups F04B25/00 - F04B35/00 for evacuating by thermal means by condensing or freezing, e.g. cryogenic pumps

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Compressors, Vaccum Pumps And Other Relevant Systems (AREA)
GB5454172A 1971-11-26 1972-11-24 Low-temperature pumping devices Expired GB1415332A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR7142384A FR2161484A5 (en) 1971-11-26 1971-11-26 Cold-pump assembly - for prodn of ultra-vacuum using liquid helium
FR7224603A FR2192620A6 (de) 1971-11-26 1972-07-07

Publications (1)

Publication Number Publication Date
GB1415332A true GB1415332A (en) 1975-11-26

Family

ID=26216738

Family Applications (1)

Application Number Title Priority Date Filing Date
GB5454172A Expired GB1415332A (en) 1971-11-26 1972-11-24 Low-temperature pumping devices

Country Status (12)

Country Link
US (1) US3797264A (de)
JP (1) JPS567066B2 (de)
BE (1) BE791888A (de)
CA (1) CA968170A (de)
CH (1) CH569194A5 (de)
DE (1) DE2257652A1 (de)
FR (1) FR2192620A6 (de)
GB (1) GB1415332A (de)
IL (1) IL40902A (de)
IT (1) IT970940B (de)
LU (1) LU66552A1 (de)
NL (1) NL7216050A (de)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114893389A (zh) * 2022-06-10 2022-08-12 中国科学院上海高等研究院 一种氦减压降温泵组室温性能的测试系统及方法

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2321609A1 (fr) * 1975-08-22 1977-03-18 Air Liquide Cryopompe a regeneration
DE3364522D1 (en) * 1982-08-27 1986-08-21 Comptech Inc Cryogenic pump having maximum aperture throttled port
DE3330146A1 (de) * 1982-09-17 1984-03-22 Balzers Hochvakuum Gmbh, 6200 Wiesbaden Vorrichtung und verfahren zur schnellen regeneration von autonomen kryopumpen
US4722191A (en) * 1986-09-17 1988-02-02 Pennwalt Corporation High vacuum pumping system
US4873833A (en) * 1988-11-23 1989-10-17 American Telephone Telegraph Company, At&T Bell Laboratories Apparatus comprising a high-vacuum chamber
CH686384A5 (de) * 1992-07-21 1996-03-15 Marcel Kohler Kryopumpe.
US7611333B1 (en) * 2002-05-07 2009-11-03 Harrington Steven M Multiple chamber pump and method
US9117563B2 (en) * 2014-01-13 2015-08-25 Cold Quanta, Inc. Ultra-cold-matter system with thermally-isolated nested source cell

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3371499A (en) * 1966-11-02 1968-03-05 Union Carbide Corp Cryosorption vacuum pumping system
FR1587077A (de) * 1968-08-01 1970-03-13
FR2048253A5 (de) * 1969-12-01 1971-03-19 Air Liquide

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114893389A (zh) * 2022-06-10 2022-08-12 中国科学院上海高等研究院 一种氦减压降温泵组室温性能的测试系统及方法
CN114893389B (zh) * 2022-06-10 2023-06-30 中国科学院上海高等研究院 一种氦减压降温泵组室温性能的测试系统及方法

Also Published As

Publication number Publication date
LU66552A1 (de) 1973-02-01
DE2257652A1 (de) 1973-05-30
JPS567066B2 (de) 1981-02-16
BE791888A (fr) 1973-05-24
CH569194A5 (de) 1975-11-14
FR2192620A6 (de) 1974-02-08
CA968170A (en) 1975-05-27
IT970940B (it) 1974-04-20
JPS4860313A (de) 1973-08-24
IL40902A (en) 1976-01-30
NL7216050A (de) 1973-05-29
IL40902A0 (en) 1973-01-30
US3797264A (en) 1974-03-19

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PCNP Patent ceased through non-payment of renewal fee