GB201800343D0 - Magnetic bearing and cacuum pump with such a magnetic bearing - Google Patents

Magnetic bearing and cacuum pump with such a magnetic bearing

Info

Publication number
GB201800343D0
GB201800343D0 GBGB1800343.4A GB201800343A GB201800343D0 GB 201800343 D0 GB201800343 D0 GB 201800343D0 GB 201800343 A GB201800343 A GB 201800343A GB 201800343 D0 GB201800343 D0 GB 201800343D0
Authority
GB
United Kingdom
Prior art keywords
magnetic bearing
cacuum
pump
magnetic
bearing
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.)
Withdrawn
Application number
GBGB1800343.4A
Other versions
GB2570006A (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.)
Edwards Ltd
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
Priority to GB1800343.4A priority Critical patent/GB2570006A/en
Publication of GB201800343D0 publication Critical patent/GB201800343D0/en
Priority to DE212019000161.0U priority patent/DE212019000161U1/en
Priority to PCT/GB2019/050036 priority patent/WO2019138213A1/en
Publication of GB2570006A publication Critical patent/GB2570006A/en
Withdrawn legal-status Critical Current

Links

Classifications

    • 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
    • F16C32/00—Bearings not otherwise provided for
    • F16C32/04—Bearings not otherwise provided for using magnetic or electric supporting means
    • F16C32/0406—Magnetic bearings
    • F16C32/0408—Passive magnetic bearings
    • F16C32/0423—Passive magnetic bearings with permanent magnets on both parts repelling each other
    • F16C32/0425—Passive magnetic bearings with permanent magnets on both parts repelling each other for radial load mainly
    • 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
    • F16C32/00—Bearings not otherwise provided for
    • F16C32/04—Bearings not otherwise provided for using magnetic or electric supporting means
    • F16C32/0406—Magnetic bearings
    • F16C32/0408—Passive magnetic bearings
    • F16C32/0423—Passive magnetic bearings with permanent magnets on both parts repelling each other
    • 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
    • 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
    • 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
    • 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
    • F16C25/00—Bearings for exclusively rotary movement adjustable for wear or play
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
    • F05D—INDEXING SCHEME FOR ASPECTS RELATING TO NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES, GAS-TURBINES OR JET-PROPULSION PLANTS
    • F05D2270/00—Control
    • F05D2270/30—Control parameters, e.g. input parameters
    • F05D2270/303—Temperature
    • 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
    • F16C2360/42—Pumps with cylinders or pistons

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Magnetic Bearings And Hydrostatic Bearings (AREA)
  • Non-Positive Displacement Air Blowers (AREA)
GB1800343.4A 2018-01-09 2018-01-09 Magnetic bearing and vacuum pump with such a magnetic bearing Withdrawn GB2570006A (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
GB1800343.4A GB2570006A (en) 2018-01-09 2018-01-09 Magnetic bearing and vacuum pump with such a magnetic bearing
DE212019000161.0U DE212019000161U1 (en) 2018-01-09 2019-01-08 Magnetic bearing and vacuum pump with such a magnetic bearing
PCT/GB2019/050036 WO2019138213A1 (en) 2018-01-09 2019-01-08 Magnetic bearing and vacuum pump with such a magnetic bearing

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB1800343.4A GB2570006A (en) 2018-01-09 2018-01-09 Magnetic bearing and vacuum pump with such a magnetic bearing

Publications (2)

Publication Number Publication Date
GB201800343D0 true GB201800343D0 (en) 2018-02-21
GB2570006A GB2570006A (en) 2019-07-10

Family

ID=61190480

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1800343.4A Withdrawn GB2570006A (en) 2018-01-09 2018-01-09 Magnetic bearing and vacuum pump with such a magnetic bearing

Country Status (3)

Country Link
DE (1) DE212019000161U1 (en)
GB (1) GB2570006A (en)
WO (1) WO2019138213A1 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2588434B (en) * 2019-10-24 2022-08-10 Edwards Ltd Bearing support and pump

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6498410B1 (en) * 2000-03-28 2002-12-24 Ibiden Co., Ltd. Motor and pressure generating apparatus incorporating the motor
US6727616B1 (en) * 2000-11-08 2004-04-27 Christopher W. Gabrys Flywheel energy storage system with quill stabilizer
DE102007036692A1 (en) * 2006-09-22 2008-03-27 Ebm-Papst St. Georgen Gmbh & Co. Kg Fan
DE102006056799A1 (en) * 2006-12-01 2008-06-05 Efficient Energy Gmbh Method for producing a workpiece and workpiece
CN202297934U (en) * 2011-07-04 2012-07-04 东华大学 Permanent magnet bearing for reducing vibration of spinning spindle
KR20130044920A (en) * 2011-10-25 2013-05-03 한국전력공사 Rotor of permanent magnetic bearing and assembling method thereof
JP5999176B2 (en) * 2012-04-04 2016-09-28 株式会社島津製作所 Vacuum pump
DE102012216450A1 (en) * 2012-09-14 2014-03-20 Pfeiffer Vacuum Gmbh Method for centering a vacuum pump or a rotation unit for a vacuum pump
DE102013100853A1 (en) * 2013-01-29 2014-07-31 Pfeiffer Vacuum Gmbh Process for coating and / or painting magnet rings of a rotor magnetic bearing, rotor magnetic bearing and vacuum pump
DE102014102273A1 (en) * 2014-02-21 2015-08-27 Pfeiffer Vacuum Gmbh vacuum pump
DE102014116241B4 (en) * 2014-11-07 2020-05-28 Pfeiffer Vacuum Gmbh Vacuum pump
CN205908642U (en) * 2016-06-24 2017-01-25 林大经 Perpendicular bearing of superconducting magnetic levitation turbine

Also Published As

Publication number Publication date
DE212019000161U1 (en) 2020-10-01
GB2570006A (en) 2019-07-10
WO2019138213A1 (en) 2019-07-18

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Legal Events

Date Code Title Description
WAP Application withdrawn, taken to be withdrawn or refused ** after publication under section 16(1)