CN100343557C - 密封组件、燃气涡轮和密封组件的组合件及其密封单元的控制方法 - Google Patents

密封组件、燃气涡轮和密封组件的组合件及其密封单元的控制方法 Download PDF

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Publication number
CN100343557C
CN100343557C CNB008120005A CN00812000A CN100343557C CN 100343557 C CN100343557 C CN 100343557C CN B008120005 A CNB008120005 A CN B008120005A CN 00812000 A CN00812000 A CN 00812000A CN 100343557 C CN100343557 C CN 100343557C
Authority
CN
China
Prior art keywords
sealing
sealing unit
assembly
displacement
electromagnet
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 - Lifetime
Application number
CNB008120005A
Other languages
English (en)
Chinese (zh)
Other versions
CN1371456A (zh
Inventor
J·J·利本贝格
J·F·德维利尔斯
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.)
Pebble Bed Modular Reactor Pty Ltd
Original Assignee
Eskom
Pebble Bed Modular Reactor Pty 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 Eskom, Pebble Bed Modular Reactor Pty Ltd filed Critical Eskom
Publication of CN1371456A publication Critical patent/CN1371456A/zh
Application granted granted Critical
Publication of CN100343557C publication Critical patent/CN100343557C/zh
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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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

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Sealing Using Fluids, Sealing Without Contact, And Removal Of Oil (AREA)
  • Turbine Rotor Nozzle Sealing (AREA)
  • Mechanical Sealing (AREA)
  • Glass Compositions (AREA)
  • Materials For Medical Uses (AREA)
  • Sealing Battery Cases Or Jackets (AREA)
  • Gasket Seals (AREA)
CNB008120005A 1999-08-27 2000-08-23 密封组件、燃气涡轮和密封组件的组合件及其密封单元的控制方法 Expired - Lifetime CN100343557C (zh)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
ZA99/5531 1999-08-27
ZA995531 1999-08-27

Publications (2)

Publication Number Publication Date
CN1371456A CN1371456A (zh) 2002-09-25
CN100343557C true CN100343557C (zh) 2007-10-17

Family

ID=69407355

Family Applications (1)

Application Number Title Priority Date Filing Date
CNB008120005A Expired - Lifetime CN100343557C (zh) 1999-08-27 2000-08-23 密封组件、燃气涡轮和密封组件的组合件及其密封单元的控制方法

Country Status (10)

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

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107923538A (zh) * 2015-08-10 2018-04-17 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

Families Citing this family (21)

* 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 (en) * 2014-09-15 2016-03-16 Alstom Technology Ltd Mounting and sealing arrangement for a guide vane of a gas turbine
DE102016108463A1 (de) * 2016-05-09 2017-11-09 Man Diesel & Turbo Se Labyrinthdichtung
MX2018015325A (es) 2016-06-10 2019-08-14 Crane John Uk Ltd Sello de gas seco con valvula de cierre electronicamente controlada.
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 (en) * 2016-12-22 2018-06-27 Ansaldo Energia S.p.A. Sealing system for a rotating machine
EP3604870B1 (en) 2017-03-30 2024-08-21 Eagle Industry Co., Ltd. Seal device
WO2018213313A1 (en) 2017-05-15 2018-11-22 John Crane Uk Ltd. Dry gas seal with electronically controlled carrier load
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

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3505048A1 (de) * 1985-02-14 1986-08-14 MTU Motoren- und Turbinen-Union München GmbH, 8000 München Hydro- oder gasdynamisches gleitlager fuer hohe drehzahlen
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

Family Cites Families (4)

* 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
JPH0314372U (enExample) * 1989-06-28 1991-02-13
GB2336408B (en) * 1998-04-17 2002-07-24 Rolls Royce Plc A seal arrangement

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3505048A1 (de) * 1985-02-14 1986-08-14 MTU Motoren- und Turbinen-Union München GmbH, 8000 München Hydro- oder gasdynamisches gleitlager fuer hohe drehzahlen
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

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107923538A (zh) * 2015-08-10 2018-04-17 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
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

Also Published As

Publication number Publication date
KR20020036847A (ko) 2002-05-16
KR100663640B1 (ko) 2007-01-03
US6746019B1 (en) 2004-06-08
JP2003508699A (ja) 2003-03-04
DE60017756D1 (de) 2005-03-03
WO2001016510A1 (en) 2001-03-08
EP1206657B1 (en) 2005-01-26
ATE288042T1 (de) 2005-02-15
CA2382478A1 (en) 2001-03-08
CN1371456A (zh) 2002-09-25
CA2382478C (en) 2008-11-04
EP1206657A1 (en) 2002-05-22
AU6586600A (en) 2001-03-26

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C06 Publication
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SE01 Entry into force of request for substantive examination
C10 Entry into substantive examination
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ASS Succession or assignment of patent right

Owner name: PEBBLE-BED MODULAR REACTOR HOLDINGS LIMITED

Free format text: FORMER OWNER: ESKOM

Effective date: 20051014

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Effective date of registration: 20051014

Address after: South Africa Centurion

Applicant after: Pebble Bed Modular Reactor Pro

Address before: South Africa Gaoteng

Applicant before: Eskom

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Granted publication date: 20071017

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