IT1020719B - MOLECULAR DRUM PUMP - Google Patents

MOLECULAR DRUM PUMP

Info

Publication number
IT1020719B
IT1020719B IT69686/74A IT6968674A IT1020719B IT 1020719 B IT1020719 B IT 1020719B IT 69686/74 A IT69686/74 A IT 69686/74A IT 6968674 A IT6968674 A IT 6968674A IT 1020719 B IT1020719 B IT 1020719B
Authority
IT
Italy
Prior art keywords
molecular
drum pump
drum
pump
molecular drum
Prior art date
Application number
IT69686/74A
Other languages
Italian (it)
Original Assignee
Cit Alcatel
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 Cit Alcatel filed Critical Cit Alcatel
Application granted granted Critical
Publication of IT1020719B publication Critical patent/IT1020719B/en

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D19/00—Axial-flow pumps
    • F04D19/02—Multi-stage pumps
    • F04D19/04—Multi-stage pumps specially adapted to the production of a high vacuum, e.g. molecular pumps
    • F04D19/044—Holweck-type pumps

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Non-Positive Displacement Air Blowers (AREA)
  • Applications Or Details Of Rotary Compressors (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)
IT69686/74A 1973-09-14 1974-09-04 MOLECULAR DRUM PUMP IT1020719B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7333097A FR2244370A5 (en) 1973-09-14 1973-09-14

Publications (1)

Publication Number Publication Date
IT1020719B true IT1020719B (en) 1977-12-30

Family

ID=9125050

Family Applications (1)

Application Number Title Priority Date Filing Date
IT69686/74A IT1020719B (en) 1973-09-14 1974-09-04 MOLECULAR DRUM PUMP

Country Status (10)

Country Link
US (1) US3924962A (en)
JP (1) JPS5055911A (en)
BE (1) BE819441A (en)
CH (1) CH592818A5 (en)
DE (1) DE2443727A1 (en)
FR (1) FR2244370A5 (en)
GB (1) GB1473713A (en)
IT (1) IT1020719B (en)
NL (1) NL7412212A (en)
SU (1) SU580850A3 (en)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL8105614A (en) * 1981-12-14 1983-07-01 Ultra Centrifuge Nederland Nv HIGH VACUUM MOLECULAR PUMP.
JPH0784871B2 (en) * 1986-06-12 1995-09-13 株式会社日立製作所 Vacuum exhaust device
WO1989006319A1 (en) * 1987-12-25 1989-07-13 Sholokhov Valery B Molecular vacuum pump
JPH02502840A (en) * 1988-01-05 1990-09-06 ショロホフ　ヴァレリイ　ボリソヴィチ molecular vacuum pump
GB2226603B (en) * 1988-02-26 1992-07-29 Nikolai Mikhailovich Novikov Turbomolecular vacuum pump
WO1989009341A1 (en) * 1988-03-30 1989-10-05 Sergeev Vladimir P Turbomolecular vacuum pump
DE3831258C1 (en) * 1988-09-14 1989-10-12 Alcatel Hochvakuumtechnik Gmbh, 6980 Wertheim, De
GB2585936A (en) * 2019-07-25 2021-01-27 Edwards Ltd Drag pump

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1053637A (en) * 1912-03-02 1913-02-18 John Arthur Hamilton O'reilly Fluid-propelled machine.
US1448079A (en) * 1920-07-08 1923-03-13 Noeggerath Jacob Emil Viscosity pump
US1902439A (en) * 1930-12-30 1933-03-21 Edward T Skeffington Flying worm steam motor
US1869106A (en) * 1931-06-12 1932-07-26 Charles J Marchant Rotary engine
NL7111948A (en) * 1971-08-31 1973-03-02

Also Published As

Publication number Publication date
BE819441A (en) 1975-03-03
US3924962A (en) 1975-12-09
SU580850A3 (en) 1977-11-15
CH592818A5 (en) 1977-11-15
DE2443727A1 (en) 1975-04-03
JPS5055911A (en) 1975-05-16
FR2244370A5 (en) 1975-04-11
NL7412212A (en) 1975-03-18
GB1473713A (en) 1977-05-18

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