GB1331166A - Bearing arrangement for molecular pumps - Google Patents

Bearing arrangement for molecular pumps

Info

Publication number
GB1331166A
GB1331166A GB3293671A GB3293671A GB1331166A GB 1331166 A GB1331166 A GB 1331166A GB 3293671 A GB3293671 A GB 3293671A GB 3293671 A GB3293671 A GB 3293671A GB 1331166 A GB1331166 A GB 1331166A
Authority
GB
United Kingdom
Prior art keywords
oil
springs
bearings
housings
damping
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
GB3293671A
Other languages
English (en)
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.)
PFEIFFER VAKUUMTECHNIK
Pfeiffer Vacuum Technology AG
Original Assignee
PFEIFFER VAKUUMTECHNIK
Arthur Pfeiffer Vakuumtechnik GmbH
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, Arthur Pfeiffer Vakuumtechnik GmbH filed Critical PFEIFFER VAKUUMTECHNIK
Publication of GB1331166A publication Critical patent/GB1331166A/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
    • 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
    • F04D29/059—Roller bearings
    • 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
    • F04D19/042—Turbomolecular vacuum pumps
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D25/00—Pumping installations or systems
    • F04D25/02—Units comprising pumps and their driving means
    • F04D25/06—Units comprising pumps and their driving means the pump being electrically driven
    • F04D25/0606—Units comprising pumps and their driving means the pump being electrically driven the electric motor being specially adapted for integration in the pump
    • 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
    • F04D29/051—Axial thrust balancing
    • 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
    • F04D29/06—Lubrication
    • F04D29/063—Lubrication specially adapted for elastic fluid pumps
    • 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
    • F04D29/66—Combating cavitation, whirls, noise, vibration or the like; Balancing
    • F04D29/661—Combating cavitation, whirls, noise, vibration or the like; Balancing especially adapted for elastic fluid pumps
    • F04D29/668—Combating cavitation, whirls, noise, vibration or the like; Balancing especially adapted for elastic fluid pumps damping or preventing mechanical vibrations
    • 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
    • F16C27/00—Elastic or yielding bearings or bearing supports, for exclusively rotary movement
    • 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
    • F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
    • F16F1/00—Springs
    • F16F1/02—Springs made of steel or other material having low internal friction; Wound, torsion, leaf, cup, ring or the like springs, the material of the spring not being relevant
    • F16F1/025—Springs made of steel or other material having low internal friction; Wound, torsion, leaf, cup, ring or the like springs, the material of the spring not being relevant characterised by having a particular shape
    • F16F1/027—Planar, e.g. in sheet form; leaf springs
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Non-Positive Displacement Air Blowers (AREA)
  • Reciprocating Pumps (AREA)
  • Support Of The Bearing (AREA)
GB3293671A 1970-10-23 1971-07-14 Bearing arrangement for molecular pumps Expired GB1331166A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19702052120 DE2052120A1 (de) 1970-10-23 1970-10-23 Lageranordnung für Molekularpumpen und Turbomolekularpumpen

Publications (1)

Publication Number Publication Date
GB1331166A true GB1331166A (en) 1973-09-26

Family

ID=5785985

Family Applications (1)

Application Number Title Priority Date Filing Date
GB3293671A Expired GB1331166A (en) 1970-10-23 1971-07-14 Bearing arrangement for molecular pumps

Country Status (8)

Country Link
US (1) US3759626A (enExample)
BE (1) BE769933A (enExample)
CA (1) CA943112A (enExample)
CH (1) CH529928A (enExample)
DE (1) DE2052120A1 (enExample)
FR (1) FR2109649A5 (enExample)
GB (1) GB1331166A (enExample)
NL (1) NL7109105A (enExample)

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2398920A1 (fr) * 1977-07-29 1979-02-23 Electrolux Ab Support de suspension souple pour palier
FR2405393A1 (fr) * 1977-10-05 1979-05-04 Babcock Ag Support de palier d'arbre
EP0196352A1 (de) * 1985-04-04 1986-10-08 Leybold Aktiengesellschaft Turbomolekular-Vakuumpumpe mit einem Rotor und mindestens einem Wälzlager
EP0748940A1 (fr) * 1995-06-16 1996-12-18 Alcatel Cit Pompe turbomoléculaire
WO2008093134A1 (en) * 2007-01-29 2008-08-07 Edwards Limited Vacuum pump
EP2088327A1 (en) * 2008-02-11 2009-08-12 VARIAN S.p.A. Support for rolling bearing
WO2012004579A3 (en) * 2010-07-08 2013-02-28 Edwards Limited Pump
EP2800913A4 (en) * 2012-01-03 2015-10-14 United Technologies Corp HYBRID BEARING TURBOMACHINE
CN107429703A (zh) * 2015-02-09 2017-12-01 爱德华兹有限公司 泵润滑剂供给系统
GB2604878A (en) * 2021-03-15 2022-09-21 Edwards Ltd Damper for a vacuum pump

Families Citing this family (25)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2337226A1 (de) * 1973-07-21 1975-02-06 Maschf Augsburg Nuernberg Ag Vakuumpumpe mit einem im innenraum ihres gehaeuses gelagerten laeufer
US3969039A (en) * 1974-08-01 1976-07-13 American Optical Corporation Vacuum pump
DE2654055B2 (de) * 1976-11-29 1979-11-08 Kernforschungsanlage Juelich Gmbh, 5170 Juelich Rotor- und Statorscheibe für Turbomolekularpumpe
NL184487C (nl) * 1977-02-25 1989-08-01 Ultra Centrifuge Nederland Nv Moleculaire pomp.
US4479756A (en) * 1978-08-21 1984-10-30 Roy E. Roth Company Multi-stage pump
US4405286A (en) * 1982-01-21 1983-09-20 The United States Of America As Represented By The Administrator Of The National Aeronautics And Space Administration Actively suspended counter-rotating machine
DE3204750C2 (de) * 1982-02-11 1984-04-26 Arthur Pfeiffer Vakuumtechnik Wetzlar Gmbh, 6334 Asslar Magnetisch gelagerte Turbomolekularpumpe
DE3239328C2 (de) * 1982-10-23 1993-12-23 Pfeiffer Vakuumtechnik Magnetisch gelagerte Turbomolekularpumpe mit Schwingungsdämpfung
US5096386A (en) * 1989-11-17 1992-03-17 Sundstrand Corporation Integral liquid ring and regenerative pump
DE69304171T2 (de) * 1992-10-30 1997-03-06 Philips Electronics Nv Elektromotor und Apparat, der diesen Elektromotor enthält
US5364194A (en) * 1993-01-04 1994-11-15 Ampex Systems Corporation Axially displaced flexural bearing support
DE19634095A1 (de) * 1996-08-23 1998-02-26 Pfeiffer Vacuum Gmbh Eingangsstufe für eine zweiflutige Gasreibungspumpe
US6261052B1 (en) * 1999-01-08 2001-07-17 Fantom Technologies Inc. Prandtl layer turbine
NL1018212C2 (nl) † 2001-06-05 2002-12-10 Siemens Demag Delaval Turbomac Compressoreenheid omvattende een centrifugaalcompressor en een elektromotor.
DE10211134C1 (de) * 2002-03-14 2003-08-14 Schwerionenforsch Gmbh Turbomolekularpumpe mit koaxial zentralem Durchgang
DE60304870T2 (de) * 2003-11-18 2006-11-30 Varian S.P.A., Leini Vakuumpumpe mit Schwingungsdämpfer
US20060225589A1 (en) * 2005-04-07 2006-10-12 Johnson Robert P Doctoring apparatus
DE102006037187A1 (de) * 2006-08-09 2008-02-21 Pfeiffer Vacuum Gmbh Anordnung zur Lagerung einer Welle einer Vakuumpumpe
GB0618745D0 (en) † 2006-09-22 2006-11-01 Boc Group Plc Molecular drag pumping mechanism
DE202007012052U1 (de) * 2007-08-29 2009-01-08 Oerlikon Leybold Vacuum Gmbh Turbomolekularpumpe
DE102010021945A1 (de) * 2010-05-28 2011-12-01 Pfeiffer Vacuum Gmbh Vakuumpumpe
CN106895029B (zh) * 2016-11-29 2019-04-05 奇鋐科技股份有限公司 减震结构及其串联风扇
CN107588016A (zh) * 2017-09-30 2018-01-16 南京创贝高速传动机械有限公司 一种ddr直驱高速电机驱动离心式压缩机
GB2578431B (en) * 2018-10-25 2021-09-22 Edwards Ltd Oil feed for a vacuum pump
CN112555177A (zh) * 2021-01-05 2021-03-26 徐涛 一种医用耗材真空包装吸附用高压风机

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2523983A (en) * 1949-05-05 1950-09-26 Bryant Grinder Corp High-speed rotor mounting
US2874008A (en) * 1956-02-23 1959-02-17 Skf Svenska Kullagerfab Ab Bearing mounting for silent running rotating machine parts
DE1020930B (de) * 1958-11-13 1957-12-12 Siebtechnik G.m.b.H., Mülheim/Ruhr-Speldorf Schwingzentrifuge
US3399827A (en) * 1967-05-19 1968-09-03 Everett H. Schwartzman Vacuum pump system
US3494678A (en) * 1968-05-27 1970-02-10 David E Reznick Vibration-damping bearing

Cited By (24)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2398920A1 (fr) * 1977-07-29 1979-02-23 Electrolux Ab Support de suspension souple pour palier
FR2405393A1 (fr) * 1977-10-05 1979-05-04 Babcock Ag Support de palier d'arbre
EP0196352A1 (de) * 1985-04-04 1986-10-08 Leybold Aktiengesellschaft Turbomolekular-Vakuumpumpe mit einem Rotor und mindestens einem Wälzlager
EP0748940A1 (fr) * 1995-06-16 1996-12-18 Alcatel Cit Pompe turbomoléculaire
FR2735535A1 (fr) * 1995-06-16 1996-12-20 Cit Alcatel Pompe turbomoleculaire
US5895202A (en) * 1995-06-16 1999-04-20 Alcatel Cit Molecular drag pump
US9759256B2 (en) 2007-01-29 2017-09-12 Edwards Limited Vacuum pump
WO2008093134A1 (en) * 2007-01-29 2008-08-07 Edwards Limited Vacuum pump
EP2088327A1 (en) * 2008-02-11 2009-08-12 VARIAN S.p.A. Support for rolling bearing
US8360754B2 (en) 2008-02-11 2013-01-29 Agilent Technologies, Inc. Support for rolling bearing
GB2481839B (en) * 2010-07-08 2017-03-22 Edwards Ltd An axially flexible pump bearing carrier
TWI586898B (zh) * 2010-07-08 2017-06-11 愛德華有限公司 幫浦
WO2012004579A3 (en) * 2010-07-08 2013-02-28 Edwards Limited Pump
CN103270248A (zh) * 2010-07-08 2013-08-28 爱德华兹有限公司 泵
CN103270248B (zh) * 2010-07-08 2016-08-10 爱德华兹有限公司 泵
JP2013531763A (ja) * 2010-07-08 2013-08-08 エドワーズ リミテッド ポンプ
US9631630B2 (en) 2010-07-08 2017-04-25 Edwards Limited Bearing carrier for a pump
US9234522B2 (en) 2012-01-03 2016-01-12 United Technologies Corporation Hybrid bearing turbomachine
EP2800913A4 (en) * 2012-01-03 2015-10-14 United Technologies Corp HYBRID BEARING TURBOMACHINE
CN107429703A (zh) * 2015-02-09 2017-12-01 爱德华兹有限公司 泵润滑剂供给系统
US10400777B2 (en) 2015-02-09 2019-09-03 Edwards Limited Pump lubricant supply systems
GB2604878A (en) * 2021-03-15 2022-09-21 Edwards Ltd Damper for a vacuum pump
WO2022195251A1 (en) * 2021-03-15 2022-09-22 Edwards Limited Rotor bearing damper for a vacuum pump
EP4308823B1 (en) * 2021-03-15 2025-01-01 Edwards Limited Rotor bearing damper for a vacuum pump

Also Published As

Publication number Publication date
NL7109105A (enExample) 1972-04-25
CA943112A (en) 1974-03-05
DE2052120A1 (de) 1972-04-27
FR2109649A5 (enExample) 1972-05-26
CH529928A (de) 1972-10-31
US3759626A (en) 1973-09-18
BE769933A (nl) 1971-11-16

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PLNP Patent lapsed through nonpayment of renewal fees