ATE505679T1 - Verfahren zur herstellung einer magnet-fluid- dichtung mit präziser fluidmengensteuerung auf jeder dichtungsstufe - Google Patents

Verfahren zur herstellung einer magnet-fluid- dichtung mit präziser fluidmengensteuerung auf jeder dichtungsstufe

Info

Publication number
ATE505679T1
ATE505679T1 AT08840056T AT08840056T ATE505679T1 AT E505679 T1 ATE505679 T1 AT E505679T1 AT 08840056 T AT08840056 T AT 08840056T AT 08840056 T AT08840056 T AT 08840056T AT E505679 T1 ATE505679 T1 AT E505679T1
Authority
AT
Austria
Prior art keywords
producing
pole ring
fluid seal
quantity control
magnetic fluid
Prior art date
Application number
AT08840056T
Other languages
English (en)
Inventor
David Mahoney
Walter Helgeland
Original Assignee
Rigaku Innovative Technologies
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 Rigaku Innovative Technologies filed Critical Rigaku Innovative Technologies
Application granted granted Critical
Publication of ATE505679T1 publication Critical patent/ATE505679T1/de

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
    • F16J—PISTONS; CYLINDERS; SEALINGS
    • F16J15/00—Sealings
    • F16J15/16—Sealings between relatively-moving surfaces
    • F16J15/40—Sealings between relatively-moving surfaces by means of fluid
    • F16J15/43—Sealings between relatively-moving surfaces by means of fluid kept in sealing position by magnetic force
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00—Metal working
    • Y10T29/49—Method of mechanical manufacture
    • Y10T29/49229—Prime mover or fluid pump making
    • Y10T29/49297—Seal or packing making

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Sealing Using Fluids, Sealing Without Contact, And Removal Of Oil (AREA)
AT08840056T 2007-10-18 2008-10-16 Verfahren zur herstellung einer magnet-fluid- dichtung mit präziser fluidmengensteuerung auf jeder dichtungsstufe ATE505679T1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US98097707P 2007-10-18 2007-10-18
PCT/US2008/080157 WO2009052282A2 (en) 2007-10-18 2008-10-16 Method for making a magnetic fluid seal and magnetic fluid seal with precise control of fluid volume at each seal stage

Publications (1)

Publication Number Publication Date
ATE505679T1 true ATE505679T1 (de) 2011-04-15

Family

ID=40260599

Family Applications (1)

Application Number Title Priority Date Filing Date
AT08840056T ATE505679T1 (de) 2007-10-18 2008-10-16 Verfahren zur herstellung einer magnet-fluid- dichtung mit präziser fluidmengensteuerung auf jeder dichtungsstufe

Country Status (7)

Country Link
US (1) US8430409B2 (de)
EP (1) EP2203666B1 (de)
JP (2) JP5346945B2 (de)
AT (1) ATE505679T1 (de)
CA (2) CA2912100C (de)
DE (1) DE602008006240D1 (de)
WO (1) WO2009052282A2 (de)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101456809B1 (ko) * 2011-02-03 2014-10-31 이글 고오교 가부시키가이샤 자성 유체 실
WO2013187152A1 (ja) * 2012-06-14 2013-12-19 イーグル工業株式会社 磁性流体シール
WO2015174306A1 (ja) * 2014-05-13 2015-11-19 イーグルブルグマンジャパン株式会社 磁性流体シールの組立方法及び磁性流体シール

Family Cites Families (28)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4440402A (en) * 1982-03-25 1984-04-03 Mechanical Technology Incorporated Ferrofin magnetic seal with opposed fin-like projections
JPS5950275A (ja) * 1982-09-16 1984-03-23 Rigaku Keisoku Kk 磁性流体軸封装置
US4445696A (en) * 1983-02-22 1984-05-01 Ferrofluidics Corporation Nonbursting magnetic liquid seals for high vacuum applications
US4501566A (en) * 1983-09-19 1985-02-26 Technicare Corporation Method for assembling a high vacuum rotating anode X-ray tube
JPS61236971A (ja) * 1985-04-15 1986-10-22 Nippon Telegr & Teleph Corp <Ntt> 磁性流体シ−ルの封止方法
US4830384A (en) * 1987-06-29 1989-05-16 Ferrofluidics Corporation Compact long-life magnetic fluid seal
DE3922356A1 (de) * 1989-07-07 1991-01-17 Freudenberg Carl Fa Ferrofluiddichtung fuer eine welle
US5007513A (en) * 1990-04-03 1991-04-16 Lord Corporation Electroactive fluid torque transmission apparatus with ferrofluid seal
US5474302A (en) * 1992-08-27 1995-12-12 Ferrofluidics Corporation On-site fillable ferrofluidic seal
US5346122A (en) * 1992-12-23 1994-09-13 Royal Sound Co., Inc. Oval shaped box
JP2584951Y2 (ja) * 1993-06-11 1998-11-11 日本精工株式会社 磁性流体シール装置付転がり軸受ユニット
JPH0814402A (ja) * 1994-06-24 1996-01-16 Sankyo Seiki Mfg Co Ltd 磁性流体シール
JPH1019138A (ja) * 1996-07-04 1998-01-23 Rigaku Corp 排気室を備えた磁気シール装置
JPH1097206A (ja) * 1996-07-10 1998-04-14 Jong-Wook Seo 磁性流体ディスプレイパネルとその製造方法
US5826885A (en) * 1996-10-02 1998-10-27 Rigaku/Usa, Inc. Magnetic fluid sealing device
JPH10169789A (ja) * 1996-12-03 1998-06-26 Rigaku Corp 磁気シール装置
JP3256458B2 (ja) * 1997-01-31 2002-02-12 エヌオーケー株式会社 磁性流体を利用した密封装置
US6199867B1 (en) * 1997-09-30 2001-03-13 Rigaku/Usa, Inc. Rotary motion feedthrough device
US5975536A (en) * 1997-09-30 1999-11-02 Rigaku/Usa, Inc. Rotary motion feedthrough with rotating magnet system
JP4073064B2 (ja) * 1997-12-02 2008-04-09 株式会社リガク 耐磁場磁性流体シール装置
JP2001311473A (ja) * 2000-04-28 2001-11-09 Rigaku Corp 軸封装置
US6543782B1 (en) 2001-04-11 2003-04-08 Ferrotec (Usa) Corporation Non-bursting ferrofluid seal
JP4140309B2 (ja) * 2002-07-31 2008-08-27 Ｎｏｋ株式会社 磁性流体を利用した密封装置
US20060192345A1 (en) * 2003-07-07 2006-08-31 Zhixin Li Magnetic Fluidic Seal with Improved Pressure Capacity
US7236233B2 (en) * 2003-10-27 2007-06-26 Asml Netherlands B.V. Assembly of a reticle holder and a reticle
JP2005212067A (ja) * 2004-01-30 2005-08-11 Matsushita Electric Ind Co Ltd 超音波研磨方法及びその装置
GB0409687D0 (en) * 2004-04-30 2004-06-02 Leuven K U Res & Dev Liquid seal
US7974384B2 (en) * 2009-04-14 2011-07-05 General Electric Company X-ray tube having a ferrofluid seal and method of assembling same

Also Published As

Publication number Publication date
EP2203666B1 (de) 2011-04-13
CA2912100C (en) 2017-02-28
JP2011501063A (ja) 2011-01-06
CA2703013A1 (en) 2009-04-23
JP2014029208A (ja) 2014-02-13
US20090127794A1 (en) 2009-05-21
DE602008006240D1 (de) 2011-05-26
CA2703013C (en) 2016-01-26
JP5555797B2 (ja) 2014-07-23
US8430409B2 (en) 2013-04-30
WO2009052282A3 (en) 2009-09-24
JP5346945B2 (ja) 2013-11-20
WO2009052282A2 (en) 2009-04-23
CA2912100A1 (en) 2009-04-23
EP2203666A2 (de) 2010-07-07

Similar Documents

Publication Publication Date Title
ATE484875T1 (de) Getriebeeinheit und werkzeughalter mit einer derartigen getriebeeinheit
EP2782216A3 (de) Rotor mit eingebettetem Magneten, Verfahren zur Herstellung desselben und Magnetisierungsvorrichtung
WO2012030790A3 (en) Magnetic drive motor assembly and associated methods
WO2012027525A3 (en) Failure indicator seal for rotary feedthrough
MY163426A (en) Armour reinforcement
MY162696A (en) Magnetic field downhole tool attachment
EP2645542A3 (de) Spaltrohrmotorpumpe
EP2573917A3 (de) Rotor, Verfahren zur Herstellung des Rotors, bürstenloser Innenrotormotor und Herstellungsverfahren für den Motor
DE602005024997D1 (de) vERFAHREN ZUR HERSTELLUNG EINER HOHLEN ANTRIEBSWELLE
BR112013011539A2 (pt) unidade de acionamento de bomba de acoplamento magnético e unidade de bomba de acoplamento magnético
BR112012002363A2 (pt) conjunto de imã magnético, sistema para determinar a posição de um elemento de válvula,e, método para simular o campo de fluxo magnético de uma imã permanente radialmente magnetizado que usa imã axialmente magnetizados permanentes.
EP2871380A3 (de) Magnetisches flüssigkeitsdichtes Lager sowie Angelrolle mit magnetischem flüssigkeitsdichtem Lager
BR112012017740A2 (pt) rotor para máquina de polo modulado.
ATE505679T1 (de) Verfahren zur herstellung einer magnet-fluid- dichtung mit präziser fluidmengensteuerung auf jeder dichtungsstufe
WO2013174469A3 (de) Batterieloser zähler für strömende medien
MX2017010441A (es) Rotor para un motor electrico, eje de motor asociado, y metodo para producir dicho eje de motor y rotor.
EP2600047A8 (de) Regenerationsrohr einer pipeline
AR072393A1 (es) Optimizacion del perfil de campo en un desprendedor magnetico con fuerza de campo superior
EP2712062A3 (de) Rotor mit eingebettetem Dauermagneten und Motor damit
RU2010126138A (ru) Прибор контроля трубопровода с наклонным намагничивающим устройством
MX339029B (es) Rotor para un motor de induccion de par de torsion y motor de induccion de par de torsion.
RU2006112326A (ru) Магнитожидкостное уплотнение вала
JP2006115595A5 (de)
JP2006047268A5 (de)
MX2020010415A (es) Mandril magnetico.

Legal Events

Date Code Title Description
UEP Publication of translation of european patent specification

Ref document number: 2203666

Country of ref document: EP