FR808345A - Improvements to processes and apparatus producing high vacuum by diffusion - Google Patents

Improvements to processes and apparatus producing high vacuum by diffusion

Info

Publication number
FR808345A
FR808345A FR808345DA FR808345A FR 808345 A FR808345 A FR 808345A FR 808345D A FR808345D A FR 808345DA FR 808345 A FR808345 A FR 808345A
Authority
FR
France
Prior art keywords
diffusion
processes
high vacuum
producing high
apparatus producing
Prior art date
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
Other languages
French (fr)
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.)
Kodak Pathe SA
Original Assignee
Kodak Pathe SA
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 Kodak Pathe SA filed Critical Kodak Pathe SA
Application granted granted Critical
Publication of FR808345A publication Critical patent/FR808345A/en
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
    • F04F—PUMPING OF FLUID BY DIRECT CONTACT OF ANOTHER FLUID OR BY USING INERTIA OF FLUID TO BE PUMPED; SIPHONS
    • F04F9/00—Diffusion pumps

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Vaporization, Distillation, Condensation, Sublimation, And Cold Traps (AREA)
  • Compressors, Vaccum Pumps And Other Relevant Systems (AREA)
FR808345D 1935-06-21 1936-06-20 Improvements to processes and apparatus producing high vacuum by diffusion Expired FR808345A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US27652A US2080421A (en) 1935-06-21 1935-06-21 Vacuum pump

Publications (1)

Publication Number Publication Date
FR808345A true FR808345A (en) 1937-02-03

Family

ID=21838990

Family Applications (1)

Application Number Title Priority Date Filing Date
FR808345D Expired FR808345A (en) 1935-06-21 1936-06-20 Improvements to processes and apparatus producing high vacuum by diffusion

Country Status (4)

Country Link
US (1) US2080421A (en)
DE (1) DE977081C (en)
FR (1) FR808345A (en)
GB (1) GB473978A (en)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2437849A (en) * 1944-11-08 1948-03-16 Nasa Pump
US2464369A (en) * 1945-02-16 1949-03-15 Distillation Products Inc Ejector and condensation pump
US2572449A (en) * 1946-01-16 1951-10-23 Eastman Kodak Co Condensation pump
US2521345A (en) * 1946-01-16 1950-09-05 Eastman Kodak Co Condensation pump
US2701261A (en) * 1950-12-08 1955-02-01 Eastman Kodak Co Methods of purifying organic ester vacuum pump fluid compositions
US2691481A (en) * 1951-06-19 1954-10-12 Kenneth M Simpson Vacuum pumping apparatus
DE1104652B (en) * 1958-05-30 1961-04-13 Sergio Allaria Metallic diffusion pump of vertical design
US3096928A (en) * 1960-12-22 1963-07-09 Bukata Stephen Vacuum pump
US3321927A (en) * 1965-02-12 1967-05-30 Jr Charles B Hood Spiral liquid cooled baffle for shielding diffusion pumps
GB1313506A (en) * 1969-05-07 1973-04-11 Edwards High Vacuum Int Ltd Vapour vacuum pumps
US3923424A (en) * 1974-11-11 1975-12-02 Alvin E Buggele Self-cleansing diffusion pump
WO2006014293A2 (en) * 2004-07-02 2006-02-09 Aqualizer, Llc Moisture condensation control system

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1320874A (en) * 1916-08-24 1919-11-04 Gen Electric Vacuum-pump.
US1367865A (en) * 1917-01-08 1921-02-08 Victor Electric Corp Method of and apparatus for producing high vacuum
DE460795C (en) * 1920-07-20 1928-06-11 Bbc Brown Boveri & Cie Mercury vapor jet pump
DE416065C (en) * 1921-10-01 1925-07-06 Wolfgang Gaede Dr Diffusion pump with several jet nozzles that create different pressure levels
DE581133C (en) * 1930-01-06 1933-07-21 Ass Elect Ind Condensation or diffusion vacuum pump with an annular jet
DE611705C (en) * 1932-03-04 1935-04-03 Hans Klumb Dr Multi-stage diffusion air pump
FR765978A (en) * 1933-03-16 1934-06-19 Radiologie Cie Gle Improvement in vacuum pumps using steam as motor fluid
GB404190A (en) * 1933-05-03 1934-01-11 Radiologie Cie Gle Improvements in vapour condensation vacuum pumps utilising organic vapours as the motive fluid

Also Published As

Publication number Publication date
DE977081C (en) 1964-12-23
US2080421A (en) 1937-05-18
GB473978A (en) 1937-10-25

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