ATE288042T1 - Dichtungsanordnung - Google Patents

Dichtungsanordnung

Info

Publication number
ATE288042T1
ATE288042T1 AT00953355T AT00953355T ATE288042T1 AT E288042 T1 ATE288042 T1 AT E288042T1 AT 00953355 T AT00953355 T AT 00953355T AT 00953355 T AT00953355 T AT 00953355T AT E288042 T1 ATE288042 T1 AT E288042T1
Authority
AT
Austria
Prior art keywords
seal
sealing surface
seal element
electromagnet
defining
Prior art date
Application number
AT00953355T
Other languages
English (en)
Inventor
Johannes Jacobus Liebenberg
Villiers Johan Francois De
Original Assignee
Eskom
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 Eskom filed Critical Eskom
Application granted granted Critical
Publication of ATE288042T1 publication Critical patent/ATE288042T1/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
    • 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
    • F16J15/34—Sealings between relatively-moving surfaces with slip-ring pressed against a more or less radial face on one member
    • F16J15/3436—Pressing means
    • F16J15/3444—Pressing means by magnetic attraction
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01D—NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES
    • F01D11/00—Preventing or minimising internal leakage of working-fluid, e.g. between stages
    • F01D11/08—Preventing or minimising internal leakage of working-fluid, e.g. between stages for sealing space between rotor blade tips and stator
    • F01D11/14—Adjusting or regulating tip-clearance, i.e. distance between rotor-blade tips and stator casing
    • F01D11/20—Actively adjusting tip-clearance
    • F01D11/22—Actively adjusting tip-clearance by mechanically actuating the stator or rotor components, e.g. moving shroud sections relative to the rotor
AT00953355T 1999-08-27 2000-08-23 Dichtungsanordnung ATE288042T1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
ZA995531 1999-08-27
PCT/IB2000/001152 WO2001016510A1 (en) 1999-08-27 2000-08-23 A seal assembly

Publications (1)

Publication Number Publication Date
ATE288042T1 true ATE288042T1 (de) 2005-02-15

Family

ID=69407355

Family Applications (1)

Application Number Title Priority Date Filing Date
AT00953355T ATE288042T1 (de) 1999-08-27 2000-08-23 Dichtungsanordnung

Country Status (10)

Country Link
US (1) US6746019B1 (de)
EP (1) EP1206657B1 (de)
JP (1) JP2003508699A (de)
KR (1) KR100663640B1 (de)
CN (1) CN100343557C (de)
AT (1) ATE288042T1 (de)
AU (1) AU6586600A (de)
CA (1) CA2382478C (de)
DE (1) DE60017756D1 (de)
WO (1) WO2001016510A1 (de)

Families Citing this family (22)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6910857B2 (en) * 2002-12-26 2005-06-28 United Technologies Corporation Seal
CN1316160C (zh) * 2004-11-16 2007-05-16 吴雳鸣 双磁极双随动动静间隙处密封装置
DE102006011636A1 (de) * 2006-03-14 2007-09-20 Voith Patent Gmbh Wellendichtung
GB2440744B (en) * 2006-08-09 2008-09-10 Rolls Royce Plc A blade clearance arrangement
US7748945B2 (en) * 2006-12-07 2010-07-06 Jerry Wayne Johnson Floating sealing ring
US8133003B2 (en) * 2008-09-26 2012-03-13 General Electric Company Magnetic adjustment of turbomachinery components
US8740563B2 (en) 2010-11-22 2014-06-03 General Electric Company Sealing assembly for use in turbomachines and methods of assembling same
JP5806241B2 (ja) * 2011-02-03 2015-11-10 イーグル工業株式会社 磁性流体シール
US9255642B2 (en) * 2012-07-06 2016-02-09 General Electric Company Aerodynamic seals for rotary machine
US9322478B2 (en) * 2012-07-31 2016-04-26 General Electric Company Seal system and method for rotary machine
CN103423456A (zh) * 2013-08-27 2013-12-04 刘讯岐 一种紧顶定位磁力机械密封件
EP2995772A1 (de) * 2014-09-15 2016-03-16 Alstom Technology Ltd Montage- und abdichtungsanordnung für eine leitschaufel einer gasturbine
CN107923538B (zh) * 2015-08-10 2020-03-03 埃克森美孚上游研究公司 用于磁力控制的干燥气体密封的设备和方法
DE102016108463A1 (de) * 2016-05-09 2017-11-09 Man Diesel & Turbo Se Labyrinthdichtung
EP3469238B1 (de) 2016-06-10 2022-07-13 John Crane UK Ltd. Trockengasdichtung mit elektronisch gesteuertem absperrventil
US10132412B2 (en) * 2016-08-05 2018-11-20 Exxonmobil Upstream Research Company Device and method for controlling rotating equipment seal without buffer support equipment
EP3339581A1 (de) * 2016-12-22 2018-06-27 Ansaldo Energia S.p.A. Dichtungssystem für eine rotationsmaschine
WO2018181228A1 (ja) 2017-03-30 2018-10-04 イーグル工業株式会社 シール装置
JP7093792B2 (ja) 2017-05-15 2022-06-30 ジョン・クレーン・ユーケイ・リミテッド 電子的に制御されたキャリア負荷によるドライガスシール
US10465544B2 (en) 2017-07-24 2019-11-05 United Technologies Corporation Eddy current damper for lift off seal
CN107355536B (zh) * 2017-08-31 2018-09-25 安徽江淮汽车集团股份有限公司 一种封堵限位装置
JP7033876B2 (ja) * 2017-09-29 2022-03-11 極東開発工業株式会社 天蓋開閉装置付コンテナ

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3971563A (en) * 1973-09-17 1976-07-27 Mitsui Shipbuilding And Engineering Co., Ltd. Shaft sealing apparatus using a fluid sealing system
DE3221380C1 (de) * 1982-06-05 1983-07-28 M.A.N. Maschinenfabrik Augsburg-Nürnberg AG, 4200 Oberhausen Wellendichtung mit aktiv-magnetisch geregeltem Dichtspalt
DE3505048A1 (de) * 1985-02-14 1986-08-14 MTU Motoren- und Turbinen-Union München GmbH, 8000 München Hydro- oder gasdynamisches gleitlager fuer hohe drehzahlen
JPH0314372U (de) * 1989-06-28 1991-02-13
US5064205A (en) * 1990-05-23 1991-11-12 General Electric Company Active magnetic seal
US5137286A (en) * 1991-08-23 1992-08-11 General Electric Company Permanent magnet floating shaft seal
US5263816A (en) * 1991-09-03 1993-11-23 General Motors Corporation Turbomachine with active tip clearance control
GB2372298B (en) * 1998-04-17 2002-09-25 Rolls Royce Plc A seal arrangement

Also Published As

Publication number Publication date
DE60017756D1 (de) 2005-03-03
US6746019B1 (en) 2004-06-08
WO2001016510A1 (en) 2001-03-08
CA2382478A1 (en) 2001-03-08
EP1206657B1 (de) 2005-01-26
EP1206657A1 (de) 2002-05-22
KR20020036847A (ko) 2002-05-16
JP2003508699A (ja) 2003-03-04
CA2382478C (en) 2008-11-04
KR100663640B1 (ko) 2007-01-03
CN1371456A (zh) 2002-09-25
CN100343557C (zh) 2007-10-17
AU6586600A (en) 2001-03-26

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Legal Events

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