FR2047445A5 - - Google Patents

Info

Publication number
FR2047445A5
FR2047445A5 FR7016688A FR7016688A FR2047445A5 FR 2047445 A5 FR2047445 A5 FR 2047445A5 FR 7016688 A FR7016688 A FR 7016688A FR 7016688 A FR7016688 A FR 7016688A FR 2047445 A5 FR2047445 A5 FR 2047445A5
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
FR7016688A
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.)
Edwards High Vacuum International Ltd
Original Assignee
Edwards High Vacuum International Ltd
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 filed Critical Edwards High Vacuum International Ltd
Application granted granted Critical
Publication of FR2047445A5 publication Critical patent/FR2047445A5/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
    • 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)
  • Compressors, Vaccum Pumps And Other Relevant Systems (AREA)
FR7016688A 1969-05-07 1970-05-06 Expired FR2047445A5 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB2338269 1969-05-07

Publications (1)

Publication Number Publication Date
FR2047445A5 true FR2047445A5 (en) 1971-03-12

Family

ID=10194735

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7016688A Expired FR2047445A5 (en) 1969-05-07 1970-05-06

Country Status (2)

Country Link
FR (1) FR2047445A5 (en)
GB (1) GB1313506A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2233879A5 (en) * 1973-06-15 1975-01-10 British Oxygen Co Ltd

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB8526191D0 (en) * 1985-10-23 1985-11-27 Boc Group Plc Cryopumps

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB473978A (en) * 1935-06-21 1937-10-25 Kodak Ltd Improvements in or relating to a method and apparatus for producing high vacua by diffusion
US2386299A (en) * 1944-07-03 1945-10-09 Nat Res Corp Diffusion pump
FR1471414A (en) * 1966-03-10 1967-03-03 Nat Res Corp Diffusion pump
GB1066971A (en) * 1963-05-30 1967-04-26 Edwards High Vacuum Int Ltd Improvements in or relating to vacuum pumps
CH456834A (en) * 1967-08-04 1968-05-31 Balzers Patent Beteilig Ag Vacuum valve
DE1279279B (en) * 1962-10-12 1968-10-03 Leybold Heraeus Gmbh & Co Kg Multi-stage propellant pump

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB473978A (en) * 1935-06-21 1937-10-25 Kodak Ltd Improvements in or relating to a method and apparatus for producing high vacua by diffusion
US2386299A (en) * 1944-07-03 1945-10-09 Nat Res Corp Diffusion pump
DE1279279B (en) * 1962-10-12 1968-10-03 Leybold Heraeus Gmbh & Co Kg Multi-stage propellant pump
GB1066971A (en) * 1963-05-30 1967-04-26 Edwards High Vacuum Int Ltd Improvements in or relating to vacuum pumps
FR1471414A (en) * 1966-03-10 1967-03-03 Nat Res Corp Diffusion pump
CH456834A (en) * 1967-08-04 1968-05-31 Balzers Patent Beteilig Ag Vacuum valve
FR1575110A (en) * 1967-08-04 1969-07-18

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2233879A5 (en) * 1973-06-15 1975-01-10 British Oxygen Co Ltd

Also Published As

Publication number Publication date
GB1313506A (en) 1973-04-11

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