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IT970940B - CRYOPUMPING DEVICE - Google Patents

CRYOPUMPING DEVICE

Info

Publication number
IT970940B
IT970940B IT31743/72A IT3174372A IT970940B IT 970940 B IT970940 B IT 970940B IT 31743/72 A IT31743/72 A IT 31743/72A IT 3174372 A IT3174372 A IT 3174372A IT 970940 B IT970940 B IT 970940B
Authority
IT
Italy
Prior art keywords
cryopumping
cryopumping device
Prior art date
Application number
IT31743/72A
Other languages
Italian (it)
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/en
Application filed by Air Liquide filed Critical Air Liquide
Application granted granted Critical
Publication of IT970940B publication Critical patent/IT970940B/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)
IT31743/72A 1971-11-26 1972-11-16 CRYOPUMPING DEVICE IT970940B (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 (en) 1971-11-26 1972-07-07

Publications (1)

Publication Number Publication Date
IT970940B true IT970940B (en) 1974-04-20

Family

ID=26216738

Family Applications (1)

Application Number Title Priority Date Filing Date
IT31743/72A IT970940B (en) 1971-11-26 1972-11-16 CRYOPUMPING DEVICE

Country Status (12)

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

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2321609A1 (en) * 1975-08-22 1977-03-18 Air Liquide REGENERATION CRYOPUMP
EP0102787B1 (en) * 1982-08-27 1986-07-16 Comptech, Incorporated Cryogenic pump having maximum aperture throttled port
DE3330146A1 (en) * 1982-09-17 1984-03-22 Balzers Hochvakuum Gmbh, 6200 Wiesbaden DEVICE AND METHOD FOR THE QUICK REGENERATION OF AUTONOMOUS CRYOPUMPS
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 (en) * 1992-07-21 1996-03-15 Marcel Kohler Cryopump.
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 (en) * 2022-06-10 2023-06-30 中国科学院上海高等研究院 System and method for testing room temperature performance of helium pressure-reducing cooling pump set

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 (en) * 1968-08-01 1970-03-13
FR2048253A5 (en) * 1969-12-01 1971-03-19 Air Liquide

Also Published As

Publication number Publication date
US3797264A (en) 1974-03-19
IL40902A0 (en) 1973-01-30
CA968170A (en) 1975-05-27
BE791888A (en) 1973-05-24
DE2257652A1 (en) 1973-05-30
LU66552A1 (en) 1973-02-01
IL40902A (en) 1976-01-30
NL7216050A (en) 1973-05-29
CH569194A5 (en) 1975-11-14
JPS4860313A (en) 1973-08-24
GB1415332A (en) 1975-11-26
FR2192620A6 (en) 1974-02-08
JPS567066B2 (en) 1981-02-16

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