NL7216050A - - Google Patents

Info

Publication number
NL7216050A
NL7216050A NL7216050A NL7216050A NL7216050A NL 7216050 A NL7216050 A NL 7216050A NL 7216050 A NL7216050 A NL 7216050A NL 7216050 A NL7216050 A NL 7216050A NL 7216050 A NL7216050 A NL 7216050A
Authority
NL
Netherlands
Application number
NL7216050A
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 filed Critical
Publication of NL7216050A publication Critical patent/NL7216050A/xx

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)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Compressors, Vaccum Pumps And Other Relevant Systems (AREA)
NL7216050A 1971-11-26 1972-11-27 NL7216050A (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
NL7216050A true NL7216050A (en) 1973-05-29

Family

ID=26216738

Family Applications (1)

Application Number Title Priority Date Filing Date
NL7216050A NL7216050A (en) 1971-11-26 1972-11-27

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
IT970940B (en) 1974-04-20
GB1415332A (en) 1975-11-26
BE791888A (en) 1973-05-24
LU66552A1 (en) 1973-02-01
DE2257652A1 (en) 1973-05-30
JPS4860313A (en) 1973-08-24
IL40902A0 (en) 1973-01-30
FR2192620A6 (en) 1974-02-08
JPS567066B2 (en) 1981-02-16
CH569194A5 (en) 1975-11-14
IL40902A (en) 1976-01-30
US3797264A (en) 1974-03-19
CA968170A (en) 1975-05-27

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Legal Events

Date Code Title Description
BV The patent application has lapsed