FR1475765A - Improvements to devices with vertical shaft rotating at high speed - Google Patents

Improvements to devices with vertical shaft rotating at high speed

Info

Publication number
FR1475765A
FR1475765A FR47849A FR47849A FR1475765A FR 1475765 A FR1475765 A FR 1475765A FR 47849 A FR47849 A FR 47849A FR 47849 A FR47849 A FR 47849A FR 1475765 A FR1475765 A FR 1475765A
Authority
FR
France
Prior art keywords
devices
high speed
vertical shaft
shaft rotating
rotating
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
FR47849A
Other languages
French (fr)
Inventor
Louis Paul Henri Meulien
Marcel Gustave Rousseau
Leonide Rubet
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.)
Safran Aircraft Engines SAS
Original Assignee
Societe Nationale dEtude et de Construction de Moteurs dAviation SNECMA
SNECMA SAS
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 Societe Nationale dEtude et de Construction de Moteurs dAviation SNECMA, SNECMA SAS filed Critical Societe Nationale dEtude et de Construction de Moteurs dAviation SNECMA
Priority to FR47849A priority Critical patent/FR1475765A/en
Application granted granted Critical
Publication of FR1475765A publication Critical patent/FR1475765A/en
Expired legal-status Critical Current

Links

Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04DNON-POSITIVE-DISPLACEMENT PUMPS
    • F04D19/00Axial-flow pumps
    • F04D19/02Multi-stage pumps
    • F04D19/04Multi-stage pumps specially adapted to the production of a high vacuum, e.g. molecular pumps
    • F04D19/048Multi-stage pumps specially adapted to the production of a high vacuum, e.g. molecular pumps comprising magnetic bearings

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
FR47849A 1966-01-31 1966-01-31 Improvements to devices with vertical shaft rotating at high speed Expired FR1475765A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR47849A FR1475765A (en) 1966-01-31 1966-01-31 Improvements to devices with vertical shaft rotating at high speed

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR47849A FR1475765A (en) 1966-01-31 1966-01-31 Improvements to devices with vertical shaft rotating at high speed

Publications (1)

Publication Number Publication Date
FR1475765A true FR1475765A (en) 1967-04-07

Family

ID=8600174

Family Applications (1)

Application Number Title Priority Date Filing Date
FR47849A Expired FR1475765A (en) 1966-01-31 1966-01-31 Improvements to devices with vertical shaft rotating at high speed

Country Status (1)

Country Link
FR (1) FR1475765A (en)

Cited By (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE7112176U (en) 1971-07-08 Soc Nationale D Etude Et De Construction De Moteurs D Av Turbomolecular vacuum pump
US3749528A (en) * 1970-04-01 1973-07-31 Snecma Vacuum pumps
DE2309665A1 (en) * 1973-02-27 1974-09-05 Leybold Heraeus Gmbh & Co Kg TURBOMOLECULAR VACUUM PUMP
DE2349033A1 (en) * 1973-09-29 1975-04-10 Leybold Heraeus Gmbh & Co Kg TURBOMOLECULAR PUMP
NL7702017A (en) * 1977-02-25 1978-08-29 Ultra Centrifuge Nederland Nv MOLECULAR PUMP RESP. GAS-TIGHT TRANSIT FOR A BODY ROTATING FAST IN A HOUSE.
FR2534980A1 (en) * 1982-10-23 1984-04-27 Pfeiffer Vakuumtechnik MAGNETICALLY MOUNTED MOLECULAR TURBOPPUMP WITH VIBRATION DAMPING
FR2551075A1 (en) * 1982-03-04 1985-03-01 Ppg Industries Inc Coating composition containing organosilanepolyol and capable of being diluted with water
US4609332A (en) * 1982-11-19 1986-09-02 Seiko Seiki Kabushiki Kaisha Turbo-molecular pump
DE3716221A1 (en) * 1986-05-16 1987-11-26 Japan Atomic Energy Res Inst Turbomolecular pump
US4768921A (en) * 1983-03-16 1988-09-06 Hitachi, Ltd. Turbomolecular vacuum pump
DE4110788A1 (en) * 1991-04-04 1992-10-15 Forschungszentrum Juelich Gmbh Permanent magnetic support for inertial mass held contactless by stator - involves permanent magnet bearings in at least three force transmission points supporting three rotary and two translatory degrees of movement
FR2683277A1 (en) * 1991-11-04 1993-05-07 Cit Alcatel ADJUSTABLE THICKNESS SPACER.
EP1559914A1 (en) * 2004-01-29 2005-08-03 Pfeiffer Vacuum GmbH Gas friction pump

Cited By (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE7112176U (en) 1971-07-08 Soc Nationale D Etude Et De Construction De Moteurs D Av Turbomolecular vacuum pump
US3749528A (en) * 1970-04-01 1973-07-31 Snecma Vacuum pumps
DE2309665A1 (en) * 1973-02-27 1974-09-05 Leybold Heraeus Gmbh & Co Kg TURBOMOLECULAR VACUUM PUMP
DE2349033A1 (en) * 1973-09-29 1975-04-10 Leybold Heraeus Gmbh & Co Kg TURBOMOLECULAR PUMP
NL7702017A (en) * 1977-02-25 1978-08-29 Ultra Centrifuge Nederland Nv MOLECULAR PUMP RESP. GAS-TIGHT TRANSIT FOR A BODY ROTATING FAST IN A HOUSE.
FR2551075A1 (en) * 1982-03-04 1985-03-01 Ppg Industries Inc Coating composition containing organosilanepolyol and capable of being diluted with water
FR2534980A1 (en) * 1982-10-23 1984-04-27 Pfeiffer Vakuumtechnik MAGNETICALLY MOUNTED MOLECULAR TURBOPPUMP WITH VIBRATION DAMPING
US4609332A (en) * 1982-11-19 1986-09-02 Seiko Seiki Kabushiki Kaisha Turbo-molecular pump
US4768921A (en) * 1983-03-16 1988-09-06 Hitachi, Ltd. Turbomolecular vacuum pump
DE3716221A1 (en) * 1986-05-16 1987-11-26 Japan Atomic Energy Res Inst Turbomolecular pump
DE4110788A1 (en) * 1991-04-04 1992-10-15 Forschungszentrum Juelich Gmbh Permanent magnetic support for inertial mass held contactless by stator - involves permanent magnet bearings in at least three force transmission points supporting three rotary and two translatory degrees of movement
FR2683277A1 (en) * 1991-11-04 1993-05-07 Cit Alcatel ADJUSTABLE THICKNESS SPACER.
EP0540970A1 (en) * 1991-11-04 1993-05-12 Alcatel Cit Spacer element with adjustable thickness
EP1559914A1 (en) * 2004-01-29 2005-08-03 Pfeiffer Vacuum GmbH Gas friction pump
US7059828B2 (en) 2004-01-29 2006-06-13 Pfeiffer Vacuum Gmbh Gas friction pump

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