CA968170A - Low-temperature pumping device - Google Patents

Low-temperature pumping device

Info

Publication number
CA968170A
CA968170A CA157,510A CA157510A CA968170A CA 968170 A CA968170 A CA 968170A CA 157510 A CA157510 A CA 157510A CA 968170 A CA968170 A CA 968170A
Authority
CA
Canada
Prior art keywords
low
pumping device
temperature pumping
temperature
pumping
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
CA157,510A
Other languages
English (en)
Other versions
CA157510S (en
Inventor
Jean-Claude Boissin
Jean-Jacques Thibault
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.)
LAir Liquide SA pour lEtude et lExploitation des Procedes Georges Claude
Original Assignee
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 LAir Liquide SA pour lEtude et lExploitation des Procedes Georges Claude filed Critical LAir Liquide SA pour lEtude et lExploitation des Procedes Georges Claude
Application granted granted Critical
Publication of CA968170A publication Critical patent/CA968170A/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)
CA157,510A 1971-11-26 1972-11-24 Low-temperature pumping device Expired CA968170A (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
CA968170A true CA968170A (en) 1975-05-27

Family

ID=26216738

Family Applications (1)

Application Number Title Priority Date Filing Date
CA157,510A Expired CA968170A (en) 1971-11-26 1972-11-24 Low-temperature pumping device

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)

Families Citing this family (9)

* 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
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

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

Also Published As

Publication number Publication date
IL40902A0 (en) 1973-01-30
US3797264A (en) 1974-03-19
BE791888A (fr) 1973-05-24
IT970940B (it) 1974-04-20
DE2257652A1 (de) 1973-05-30
LU66552A1 (de) 1973-02-01
JPS567066B2 (de) 1981-02-16
JPS4860313A (de) 1973-08-24
FR2192620A6 (de) 1974-02-08
NL7216050A (de) 1973-05-29
GB1415332A (en) 1975-11-26
IL40902A (en) 1976-01-30
CH569194A5 (de) 1975-11-14

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