FR2040345A1 - - Google Patents

Info

Publication number
FR2040345A1
FR2040345A1 FR7015576A FR7015576A FR2040345A1 FR 2040345 A1 FR2040345 A1 FR 2040345A1 FR 7015576 A FR7015576 A FR 7015576A FR 7015576 A FR7015576 A FR 7015576A FR 2040345 A1 FR2040345 A1 FR 2040345A1
Authority
FR
France
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.)
Withdrawn
Application number
FR7015576A
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.)
Edwards High Vacuum International Ltd
Cambridge Scientific Inc
Original Assignee
Edwards High Vacuum International Ltd
Cambridge Scientific Inc
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
Application filed by Edwards High Vacuum International Ltd, Cambridge Scientific Inc filed Critical Edwards High Vacuum International Ltd
Publication of FR2040345A1 publication Critical patent/FR2040345A1/fr
Withdrawn legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04F—PUMPING OF FLUID BY DIRECT CONTACT OF ANOTHER FLUID OR BY USING INERTIA OF FLUID TO BE PUMPED; SIPHONS
    • F04F9/00—Diffusion pumps
    • F04F9/06—Arrangement of vapour traps
FR7015576A 1969-04-28 1970-04-28 Withdrawn FR2040345A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB2160269 1969-04-28

Publications (1)

Publication Number Publication Date
FR2040345A1 true FR2040345A1 (fr) 1971-01-22

Family

ID=10165684

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7015576A Withdrawn FR2040345A1 (fr) 1969-04-28 1970-04-28

Country Status (4)

Country Link
US (1) US3635039A (fr)
DE (1) DE2020755A1 (fr)
FR (1) FR2040345A1 (fr)
GB (1) GB1313135A (fr)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1448752A (en) * 1973-03-08 1976-09-08 Boc International Ltd Vacuum pumping assembly
DE2907055A1 (de) * 1979-02-23 1980-08-28 Kernforschungsanlage Juelich Waermestrahlungsschild fuer kryopumpen
US4709780A (en) * 1985-12-27 1987-12-01 General Dynamics, Pomona Division Exhaust dissipator/disrupter device
US5398426A (en) * 1993-12-29 1995-03-21 Societe' De Gestion Et De Diffusion North America, Inc. Process and apparatus for desiccation
US5537833A (en) * 1995-05-02 1996-07-23 Helix Technology Corporation Shielded cryogenic trap
US6155059A (en) * 1999-01-13 2000-12-05 Helix Technology Corporation High capacity cryopump
AU2007286615A1 (en) * 2006-08-25 2008-02-28 Perkinelmer Las, Inc. An oil diffusion pump comprising a baffle device
US8657267B2 (en) 2010-11-30 2014-02-25 Spx Cooling Technologies, Inc. Jet stream generating method and apparatus

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2934257A (en) * 1956-01-25 1960-04-26 Edwards High Vacuum Ltd Vapour vacuum pumps
US3137551A (en) * 1959-10-02 1964-06-16 John T Mark Ultra high vacuum device
US3081068A (en) * 1959-10-16 1963-03-12 Milleron Norman Cold trap
US3019809A (en) * 1960-09-13 1962-02-06 Ipsen Ind Inc Combined vacuum valve and cold trap
US3216207A (en) * 1962-10-15 1965-11-09 Continental Oil Co Cold trap assembly for high vacuum systems
US3296810A (en) * 1964-08-24 1967-01-10 Nat Res Corp High conductance cold trap for vacuum systems
US3321927A (en) * 1965-02-12 1967-05-30 Jr Charles B Hood Spiral liquid cooled baffle for shielding diffusion pumps

Also Published As

Publication number Publication date
US3635039A (en) 1972-01-18
DE2020755A1 (de) 1970-11-05
GB1313135A (en) 1973-04-11

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Legal Events

Date Code Title Description
ST Notification of lapse