ATE412119T1 - Vakuumpumpanordnung - Google Patents

Vakuumpumpanordnung

Info

Publication number
ATE412119T1
ATE412119T1 AT04806029T AT04806029T ATE412119T1 AT E412119 T1 ATE412119 T1 AT E412119T1 AT 04806029 T AT04806029 T AT 04806029T AT 04806029 T AT04806029 T AT 04806029T AT E412119 T1 ATE412119 T1 AT E412119T1
Authority
AT
Austria
Prior art keywords
rotor
stator
axial
vacuum pumping
pumping arrangement
Prior art date
Application number
AT04806029T
Other languages
English (en)
Inventor
Nigel Paul Schofield
Original Assignee
Edwards 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 Ltd filed Critical Edwards Ltd
Application granted granted Critical
Publication of ATE412119T1 publication Critical patent/ATE412119T1/de

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
    • F04D29/052—Axially shiftable rotors
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D17/00—Radial-flow pumps, e.g. centrifugal pumps; Helico-centrifugal pumps
    • F04D17/08—Centrifugal pumps
    • F04D17/16—Centrifugal pumps for displacing without appreciable compression
    • F04D17/168—Pumps specially adapted to produce a vacuum
    • 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
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D23/00—Other rotary non-positive-displacement pumps
    • F04D23/008—Regenerative 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
    • F04D29/04—Shafts or bearings, or assemblies thereof
    • F04D29/046—Bearings
    • F04D29/048—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
    • F04D29/00—Details, component parts, or accessories
    • F04D29/08—Sealings
    • F04D29/083—Sealings especially adapted for elastic fluid pumps

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Non-Positive Displacement Air Blowers (AREA)
  • Magnetic Bearings And Hydrostatic Bearings (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)
  • Sealing Using Fluids, Sealing Without Contact, And Removal Of Oil (AREA)
  • Compressors, Vaccum Pumps And Other Relevant Systems (AREA)
  • Compressor (AREA)
  • Jet Pumps And Other Pumps (AREA)
AT04806029T 2003-12-15 2004-12-08 Vakuumpumpanordnung ATE412119T1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GBGB0329034.3A GB0329034D0 (en) 2003-12-15 2003-12-15 Vacuum pumping arrangement

Publications (1)

Publication Number Publication Date
ATE412119T1 true ATE412119T1 (de) 2008-11-15

Family

ID=30130257

Family Applications (1)

Application Number Title Priority Date Filing Date
AT04806029T ATE412119T1 (de) 2003-12-15 2004-12-08 Vakuumpumpanordnung

Country Status (7)

Country Link
US (1) US7614844B2 (de)
EP (1) EP1700039B1 (de)
JP (1) JP2007514096A (de)
AT (1) ATE412119T1 (de)
DE (1) DE602004017359D1 (de)
GB (1) GB0329034D0 (de)
WO (1) WO2005059367A2 (de)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20090081022A1 (en) * 2007-09-21 2009-03-26 Honeywell International Inc. Radially Staged Microscale Turbomolecular Pump
US8070419B2 (en) * 2008-12-24 2011-12-06 Agilent Technologies, Inc. Spiral pumping stage and vacuum pump incorporating such pumping stage
US10539137B2 (en) 2015-04-06 2020-01-21 Trane International Inc. Active clearance management in screw compressor
GB2562261A (en) 2017-05-10 2018-11-14 Edwards Ltd Motor Rotor
GB2575450B (en) * 2018-07-09 2022-01-26 Edwards Ltd A variable inlet conductance vacuum pump, vacuum pump arrangement and method
BE1028910B1 (nl) * 2020-12-16 2022-07-19 Univ Brussel Vrije Element voor het samenpersen of expanderen van een gas en werkwijze voor het regelen van dergelijk element
CN114673728B (zh) * 2020-12-24 2024-01-26 迈格钠磁动力股份有限公司 一种永磁推力悬浮轴承及其控制方法
CN115355251A (zh) * 2022-10-19 2022-11-18 山东天瑞重工有限公司 一种轴向磁轴承、磁悬浮电机及磁悬浮真空泵
CN119308867A (zh) * 2024-10-11 2025-01-14 北京中科科仪股份有限公司 磁悬浮分子泵结构及磁悬浮分子泵

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3356033A (en) * 1965-10-22 1967-12-05 Ford Motor Co Centrifugal fluid pump
US3518021A (en) * 1968-04-04 1970-06-30 Gen Electric Thrust bearing for compressor
JPS60255970A (ja) * 1984-05-29 1985-12-17 Mazda Motor Corp 耐摩耗性に優れた摺接部材の製造法
US5137418A (en) * 1990-12-21 1992-08-11 Roy E. Roth Company Floating self-centering turbine impeller
US6280157B1 (en) 1999-06-29 2001-08-28 Flowserve Management Company Sealless integral-motor pump with regenerative impeller disk
GB0013491D0 (en) * 2000-06-02 2000-07-26 Boc Group Plc Improved vacuum pump
GB2383092B (en) * 2001-08-13 2005-08-31 Norman Moss Improvements in and related to regenerative pumps
JP2003129991A (ja) * 2001-10-24 2003-05-08 Boc Edwards Technologies Ltd 分子ポンプ

Also Published As

Publication number Publication date
EP1700039B1 (de) 2008-10-22
JP2007514096A (ja) 2007-05-31
EP1700039A2 (de) 2006-09-13
DE602004017359D1 (de) 2008-12-04
WO2005059367A3 (en) 2006-11-16
US7614844B2 (en) 2009-11-10
WO2005059367A2 (en) 2005-06-30
GB0329034D0 (en) 2004-01-14
US20070140833A1 (en) 2007-06-21

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Legal Events

Date Code Title Description
RER Ceased as to paragraph 5 lit. 3 law introducing patent treaties