IL40902A - Low-temperature pumping device - Google Patents

Low-temperature pumping device

Info

Publication number
IL40902A
IL40902A IL40902A IL4090272A IL40902A IL 40902 A IL40902 A IL 40902A IL 40902 A IL40902 A IL 40902A IL 4090272 A IL4090272 A IL 4090272A IL 40902 A IL40902 A IL 40902A
Authority
IL
Israel
Prior art keywords
low
temperature
gas
pumping device
pumping
Prior art date
Application number
IL40902A
Other languages
English (en)
Other versions
IL40902A0 (en
Original Assignee
Air Liquide
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 filed Critical Air Liquide
Publication of IL40902A0 publication Critical patent/IL40902A0/xx
Publication of IL40902A publication Critical patent/IL40902A/en

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)
IL40902A 1971-11-26 1972-11-22 Low-temperature pumping device IL40902A (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 (2)

Publication Number Publication Date
IL40902A0 IL40902A0 (en) 1973-01-30
IL40902A true IL40902A (en) 1976-01-30

Family

ID=26216738

Family Applications (1)

Application Number Title Priority Date Filing Date
IL40902A IL40902A (en) 1971-11-26 1972-11-22 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
CA968170A (en) 1975-05-27
NL7216050A (de) 1973-05-29
GB1415332A (en) 1975-11-26
CH569194A5 (de) 1975-11-14

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