FR1562321A - - Google Patents

Info

Publication number
FR1562321A
FR1562321A FR1562321DA FR1562321A FR 1562321 A FR1562321 A FR 1562321A FR 1562321D A FR1562321D A FR 1562321DA FR 1562321 A FR1562321 A FR 1562321A
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.)
Expired
Application number
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 filed Critical
Application granted granted Critical
Publication of FR1562321A publication Critical patent/FR1562321A/fr
Expired 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
    • 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
    • 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
    • F04F—PUMPING OF FLUID BY DIRECT CONTACT OF ANOTHER FLUID OR BY USING INERTIA OF FLUID TO BE PUMPED; SIPHONS
    • F04F9/00—Diffusion pumps
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Applications Or Details Of Rotary Compressors (AREA)
  • Compressors, Vaccum Pumps And Other Relevant Systems (AREA)
FR1562321D 1967-03-14 1968-03-13 Expired FR1562321A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH378567A CH449838A (de) 1967-03-14 1967-03-14 Verfahren zum wahlweisen Betrieb eines Treibmittelfängers für Vakuumtreibmittelpumpen und Vorrichtung zur Durchführung des Verfahrens

Publications (1)

Publication Number Publication Date
FR1562321A true FR1562321A (fr) 1969-04-04

Family

ID=4263416

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1562321D Expired FR1562321A (fr) 1967-03-14 1968-03-13

Country Status (6)

Country Link
US (1) US3474634A (fr)
CH (1) CH449838A (fr)
DE (1) DE1628436A1 (fr)
FR (1) FR1562321A (fr)
GB (1) GB1183662A (fr)
NL (1) NL6708189A (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6368371B1 (en) * 1998-01-22 2002-04-09 Ebara Corporation Trap device and trap system
DE202020104944U1 (de) * 2020-08-26 2021-11-29 Leybold Gmbh Leitvorrichtung, Kühlmitteldurchführung und Diffusionsvakuumpumpe

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3168819A (en) * 1961-03-06 1965-02-09 Gen Electric Vacuum system
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
CH449838A (de) 1968-01-15
DE1628436A1 (de) 1971-10-14
US3474634A (en) 1969-10-28
GB1183662A (en) 1970-03-11
NL6708189A (fr) 1968-09-16

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Legal Events

Date Code Title Description
ST Notification of lapse