IT8319487A0 - Pompa turbomolecolare sopportata magneticamente. - Google Patents

Pompa turbomolecolare sopportata magneticamente.

Info

Publication number
IT8319487A0
IT8319487A0 IT8319487A IT1948783A IT8319487A0 IT 8319487 A0 IT8319487 A0 IT 8319487A0 IT 8319487 A IT8319487 A IT 8319487A IT 1948783 A IT1948783 A IT 1948783A IT 8319487 A0 IT8319487 A0 IT 8319487A0
Authority
IT
Italy
Prior art keywords
turbomolecular pump
magnetically supported
magnetically
supported
turbomolecular
Prior art date
Application number
IT8319487A
Other languages
English (en)
Other versions
IT8319487A1 (it
IT1161570B (it
Inventor
Willi Becker
Original Assignee
Pfeiffer Vakuumtechnik
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 Pfeiffer Vakuumtechnik filed Critical Pfeiffer Vakuumtechnik
Publication of IT8319487A0 publication Critical patent/IT8319487A0/it
Publication of IT8319487A1 publication Critical patent/IT8319487A1/it
Application granted granted Critical
Publication of IT1161570B publication Critical patent/IT1161570B/it

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
    • F04D29/00—Details, component parts, or accessories
    • F04D29/05—Shafts or bearings, or assemblies thereof, specially adapted for elastic fluid pumps
    • F04D29/056—Bearings
    • F04D29/058—Bearings magnetic; electromagnetic
    • 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
    • F04D19/048—Multi-stage pumps specially adapted to the production of a high vacuum, e.g. molecular pumps comprising magnetic bearings
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C2360/00—Engines or pumps
    • F16C2360/44—Centrifugal pumps
    • F16C2360/45—Turbo-molecular pumps
IT19487/83A 1982-02-11 1983-02-09 Pompa turbonolecolare sopportata magneticamente IT1161570B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE3204750A DE3204750C2 (de) 1982-02-11 1982-02-11 Magnetisch gelagerte Turbomolekularpumpe

Publications (3)

Publication Number Publication Date
IT8319487A0 true IT8319487A0 (it) 1983-02-09
IT8319487A1 IT8319487A1 (it) 1984-08-09
IT1161570B IT1161570B (it) 1987-03-18

Family

ID=6155379

Family Applications (1)

Application Number Title Priority Date Filing Date
IT19487/83A IT1161570B (it) 1982-02-11 1983-02-09 Pompa turbonolecolare sopportata magneticamente

Country Status (8)

Country Link
US (1) US4502832A (it)
JP (1) JPS58148296A (it)
BE (1) BE895866A (it)
DE (1) DE3204750C2 (it)
FR (1) FR2521230B1 (it)
GB (1) GB2114663B (it)
IT (1) IT1161570B (it)
NL (1) NL8300105A (it)

Families Citing this family (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3410905A1 (de) * 1984-03-24 1985-10-03 Leybold-Heraeus GmbH, 5000 Köln Einrichtung zur foerderung von gasen bei subatmosphaerischen druecken
DE3931661A1 (de) * 1989-08-25 1991-04-04 Leybold Ag Magnetgelagerte vakuumpumpe
US5290769A (en) * 1989-09-27 1994-03-01 Asta Pharma Aktiengesellschaft Use of hexadecylphosphocholine for the treatment of psoriasis
DE4114566C2 (de) * 1991-05-04 1999-07-08 Randolf Paul Rolff Verfahren zur Inbetriebnahme einer mit einem magnetgelagerten Rotor ausgerüsteten Maschine sowie Schaltung zur Durchführung dieses Verfahrens
FR2683277B1 (fr) * 1991-11-04 1995-01-13 Cit Alcatel Entretoise a epaisseur ajustable.
WO1994007033A1 (en) * 1992-09-23 1994-03-31 United States Of America As Represented By The Secretary Of The Air Force Turbo-molecular blower
US5739607A (en) * 1994-03-04 1998-04-14 Cincinnati Milacron Inc. Hybrid spindle bearing
DE4427154A1 (de) * 1994-08-01 1996-02-08 Balzers Pfeiffer Gmbh Reibungspumpe mit Magnetlagerung
US6332752B2 (en) * 1997-06-27 2001-12-25 Ebara Corporation Turbo-molecular pump
DE19846189A1 (de) * 1998-10-07 2000-04-13 Leybold Vakuum Gmbh Reibungsvakuumpumpe
DE19846188A1 (de) * 1998-10-07 2000-04-13 Leybold Vakuum Gmbh Reibungsvakuumpumpe mit Stator und Rotor
US6508631B1 (en) 1999-11-18 2003-01-21 Mks Instruments, Inc. Radial flow turbomolecular vacuum pump
JP2003129991A (ja) * 2001-10-24 2003-05-08 Boc Edwards Technologies Ltd 分子ポンプ
FR2831621B1 (fr) * 2001-10-25 2004-02-13 Cit Alcatel Utilisation des billes en zircone pour les roulements d'atterrissage des pompes turbomoleculaires sur palier magnetique
US7392713B2 (en) * 2002-09-30 2008-07-01 United Technologies Corporation Monitoring system for turbomachinery
KR100610012B1 (ko) * 2004-08-16 2006-08-09 삼성전자주식회사 터보 펌프
DE102006050565A1 (de) * 2006-10-26 2008-04-30 Pfeiffer Vacuum Gmbh Statorscheibe für eine Turbomolekularpumpe
DE102013113986A1 (de) * 2013-12-13 2015-06-18 Pfeiffer Vacuum Gmbh Rotierendes System
DE202016003991U1 (de) * 2016-06-29 2017-10-02 Leybold Gmbh Vakuumpumpe
GB2556913B (en) * 2016-11-25 2019-09-25 Edwards Ltd Vacuum pump bearing holders

Family Cites Families (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB693021A (en) * 1948-10-01 1953-06-17 Licentia Gmbh A device for the indication of the axial thrust of rotary machines, particularly steam and gas turbines
US2993448A (en) * 1957-08-26 1961-07-25 Us Electrical Motors Inc Shaft adjusting and testing mechanism
US3399827A (en) * 1967-05-19 1968-09-03 Everett H. Schwartzman Vacuum pump system
US3828610A (en) * 1970-01-07 1974-08-13 Judson S Swearingen Thrust measurement
FR2086525A5 (it) * 1970-04-01 1971-12-31 Commissariat Energie Atomique
DE2052120A1 (de) * 1970-10-23 1972-04-27 Pfeiffer Vakuumtechnik Lageranordnung für Molekularpumpen und Turbomolekularpumpen
DE2337226A1 (de) * 1973-07-21 1975-02-06 Maschf Augsburg Nuernberg Ag Vakuumpumpe mit einem im innenraum ihres gehaeuses gelagerten laeufer
DE2349033C3 (de) * 1973-09-29 1984-08-30 Leybold-Heraeus Gmbh, 5000 Koeln Turbomolekularpumpe
US3861818A (en) * 1974-02-14 1975-01-21 Gen Electric Thrust wear detector
CH583856A5 (it) * 1974-09-27 1977-01-14 Balzers Patent Beteilig Ag
DE2457783C2 (de) * 1974-12-06 1986-10-09 Arthur Pfeiffer Vakuumtechnik Wetzlar Gmbh, 6334 Asslar Magnetische Lagerung
DE2524061C3 (de) * 1975-05-30 1980-04-30 Arthur Pfeiffer-Vakuumtechnik-Wetzlar Gmbh, 6334 Asslar Magnetisch gelagerte Turbovakuumpumpe mit Fanglager
DE2554995A1 (de) * 1975-12-06 1977-06-16 Pfeiffer Vakuumtechnik Turbomolekularpumpe
US4116592A (en) * 1976-08-20 1978-09-26 Viktor Yakovlevich Cherny Turbomolecular high-vacuum pulp
DE2825551C3 (de) * 1978-06-10 1982-06-09 Arthur Pfeiffer Vakuumtechnik Wetzlar Gmbh, 6334 Asslar Magnetische Lagerung
US4312628A (en) * 1979-05-21 1982-01-26 Cambridge Thermionic Corporation Turbomolecular vacuum pump having virtually zero power magnetic bearing assembly with single axis servo control
US4302963A (en) * 1980-05-12 1981-12-01 General Electric Company Thrust bearing wear detector positioner

Also Published As

Publication number Publication date
FR2521230A1 (fr) 1983-08-12
DE3204750C2 (de) 1984-04-26
GB2114663B (en) 1985-09-18
DE3204750A1 (de) 1983-08-25
JPH0436278B2 (it) 1992-06-15
FR2521230B1 (fr) 1986-08-08
IT8319487A1 (it) 1984-08-09
BE895866A (fr) 1983-05-30
NL8300105A (nl) 1983-09-01
IT1161570B (it) 1987-03-18
JPS58148296A (ja) 1983-09-03
US4502832A (en) 1985-03-05
GB2114663A (en) 1983-08-24

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Legal Events

Date Code Title Description
TA Fee payment date (situation as of event date), data collected since 19931001

Effective date: 19950227