FR2902854B1 - Anneau de garniture a espacement variable et procede pour actionner celui-ci. - Google Patents

Anneau de garniture a espacement variable et procede pour actionner celui-ci.

Info

Publication number
FR2902854B1
FR2902854B1 FR0756036A FR0756036A FR2902854B1 FR 2902854 B1 FR2902854 B1 FR 2902854B1 FR 0756036 A FR0756036 A FR 0756036A FR 0756036 A FR0756036 A FR 0756036A FR 2902854 B1 FR2902854 B1 FR 2902854B1
Authority
FR
France
Prior art keywords
trim ring
variable spacing
operating same
arcuate
segments
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 - Fee Related
Application number
FR0756036A
Other languages
English (en)
Other versions
FR2902854A1 (fr
Inventor
Sean Douglas Feeny
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.)
General Electric Co
Original Assignee
General Electric Co
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 General Electric Co filed Critical General Electric Co
Publication of FR2902854A1 publication Critical patent/FR2902854A1/fr
Application granted granted Critical
Publication of FR2902854B1 publication Critical patent/FR2902854B1/fr
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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
    • F16J15/44—Free-space packings
    • F16J15/447—Labyrinth packings
    • 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
    • F16J15/44—Free-space packings
    • F16J15/441—Free-space packings with floating ring
    • F16J15/442—Free-space packings with floating ring segmented
    • 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
    • F01D11/02—Preventing or minimising internal leakage of working-fluid, e.g. between stages by non-contact sealings, e.g. of labyrinth type
    • F01D11/025—Seal clearance control; Floating assembly; Adaptation means to differential thermal dilatations
    • 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
    • F01D11/02—Preventing or minimising internal leakage of working-fluid, e.g. between stages by non-contact sealings, e.g. of labyrinth type
    • F01D11/04—Preventing or minimising internal leakage of working-fluid, e.g. between stages by non-contact sealings, e.g. of labyrinth type using sealing fluid, e.g. steam
    • F01D11/06—Control thereof
    • 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
    • F01D25/00—Component parts, details, or accessories, not provided for in, or of interest apart from, other groups
    • F01D25/18—Lubricating arrangements
    • F01D25/183—Sealing means
    • 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
    • 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
    • F16J15/46—Sealings with packing ring expanded or pressed into place by fluid pressure, e.g. inflatable packings

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Architecture (AREA)
  • Fluid Mechanics (AREA)
  • Turbine Rotor Nozzle Sealing (AREA)
  • Sealing Using Fluids, Sealing Without Contact, And Removal Of Oil (AREA)
  • Spinning Or Twisting Of Yarns (AREA)
  • Auxiliary Devices For And Details Of Packaging Control (AREA)
  • Packaging Of Annular Or Rod-Shaped Articles, Wearing Apparel, Cassettes, Or The Like (AREA)
  • Sealing Devices (AREA)
FR0756036A 2006-06-27 2007-06-26 Anneau de garniture a espacement variable et procede pour actionner celui-ci. Expired - Fee Related FR2902854B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US11/426,739 US8181967B2 (en) 2006-06-27 2006-06-27 Variable clearance packing ring

Publications (2)

Publication Number Publication Date
FR2902854A1 FR2902854A1 (fr) 2007-12-28
FR2902854B1 true FR2902854B1 (fr) 2013-11-29

Family

ID=38352756

Family Applications (1)

Application Number Title Priority Date Filing Date
FR0756036A Expired - Fee Related FR2902854B1 (fr) 2006-06-27 2007-06-26 Anneau de garniture a espacement variable et procede pour actionner celui-ci.

Country Status (6)

Country Link
US (1) US8181967B2 (fr)
KR (1) KR20080000532A (fr)
CN (1) CN101096998B (fr)
FR (1) FR2902854B1 (fr)
GB (1) GB2439635B (fr)
RU (1) RU2445536C2 (fr)

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7909335B2 (en) * 2008-02-04 2011-03-22 General Electric Company Retractable compliant plate seals
JP4898743B2 (ja) * 2008-06-09 2012-03-21 三菱重工業株式会社 回転機械のシール構造
US8424877B2 (en) * 2009-05-12 2013-04-23 General Electric Company Method and system for sealing an annulus
DE202011105609U1 (de) * 2011-09-12 2011-10-13 Alstom Technology Ltd. Labyrinthdichtung
CN102853076A (zh) * 2012-09-14 2013-01-02 胡和萍 一种带有转动定位功能的密封圈
USD733560S1 (en) * 2013-06-25 2015-07-07 Lincoln Global, Inc. Packing bead ring for a wire coil
US20150285152A1 (en) * 2014-04-03 2015-10-08 United Technologies Corporation Gas turbine engine and seal assembly therefore
WO2016022136A1 (fr) * 2014-08-08 2016-02-11 Siemens Energy, Inc. Système d'optimisation de logement de joint d'étanchéité inter-étage dans un moteur à turbine à gaz
CN105570460A (zh) * 2014-10-16 2016-05-11 曹正奉 零间隙油封装置
CN104454033B (zh) * 2014-11-03 2017-02-15 中国南方航空工业(集团)有限公司 封严圈及具有其的燃气轮机
KR101572907B1 (ko) * 2015-05-27 2015-12-11 조정봉 터빈용 플랙시블 패킹링
EP3135868A1 (fr) * 2015-08-27 2017-03-01 Doosan Skoda Power S.r.o. Agencement en série de joints de rotor rétractables
RU2667247C2 (ru) * 2016-05-11 2018-09-18 Андрей Витальевич Билан Уплотнение паровой турбины
US10830081B2 (en) * 2017-07-17 2020-11-10 Raytheon Technologies Corporation Non-contact seal with non-straight spring beam(s)
US11927236B2 (en) * 2020-12-21 2024-03-12 Toyota Motor Engineering & Manufacturing North America, Inc. Vibration isolation for rotating machines

Family Cites Families (34)

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US561794A (en) * 1896-06-09 Metallic rod-packing
US644696A (en) * 1899-05-20 1900-03-06 Frederick F Swain Piston-rod packing.
US922635A (en) * 1907-09-20 1909-05-25 Josef Sieger Metallic ring-packing.
US967247A (en) * 1910-03-02 1910-08-16 Gen Electric Leakage-reducing device.
US1505462A (en) * 1922-04-08 1924-08-19 Henry G Hillman Rod packing
US1547919A (en) * 1924-09-02 1925-07-28 Huhn Gustav Packing for piston rods, turbine shafts, and the like
US3464708A (en) * 1965-08-27 1969-09-02 Rodpak Mfg Co Seal
US3625526A (en) * 1969-11-14 1971-12-07 Ramsey Corp Unitary self-energizing oil control ring
US3897169A (en) * 1973-04-19 1975-07-29 Gen Electric Leakage control structure
US4436311A (en) * 1982-04-20 1984-03-13 Brandon Ronald E Segmented labyrinth-type shaft sealing system for fluid turbines
US5002288A (en) * 1988-10-13 1991-03-26 General Electric Company Positive variable clearance labyrinth seal
CN2054496U (zh) * 1989-04-08 1990-03-14 西南石油学院 钻井泵活塞组合钢芯
US5603510A (en) * 1991-06-13 1997-02-18 Sanders; William P. Variable clearance seal assembly
US5395124A (en) * 1993-01-04 1995-03-07 Imo Industries, Inc. Retractible segmented packing ring for fluid turbines having gravity springs to neutralize packing segment weight forces
US5464226A (en) * 1993-12-06 1995-11-07 Demag Delaval Turbomachinery Corp. Turbocare Division Retractable packing rings for steam turbines
US5599026A (en) * 1995-09-06 1997-02-04 Innovative Technology, L.L.C. Turbine seal with sealing strip and rubbing strip
US5735667A (en) * 1996-05-06 1998-04-07 Innovative Technology, L.L.C. Method and apparatus for minimizing leakage in turbine seals
CN1215251C (zh) * 1996-08-05 2005-08-17 罗纳德·E·布兰登 流体涡轮机的密封装置
US5709388A (en) * 1996-09-27 1998-01-20 General Electric Co. Variable clearance packing ring with guide for preventing circumferential displacement
US5934684A (en) * 1997-05-27 1999-08-10 Brandon; Ronald Earl Retractable segmented packing ring for fluid turbines having gravity springs to neutralize packing segment weight forces
US6318728B1 (en) * 1997-07-11 2001-11-20 Demag Delaval Turbomachinery Corporation Brush-seal designs for elastic fluid turbines
US6572114B1 (en) * 1997-09-22 2003-06-03 Mitsubishi Heavy Industries, Ltd. Seal ring for steam turbine
US6022027A (en) * 1997-12-18 2000-02-08 General Electric Co. Variable clearance packing ring with clips for preventing circumferential displacement
US6139018A (en) * 1998-03-25 2000-10-31 General Electric Co. Positive pressure-actuated brush seal
US6065754A (en) * 1998-04-15 2000-05-23 General Electric Co. Uniform clearance, temperature responsive, variable packing ring
US5971400A (en) * 1998-08-10 1999-10-26 General Electric Company Seal assembly and rotary machine containing such seal assembly
US6250641B1 (en) * 1998-11-25 2001-06-26 General Electric Co. Positive biased packing ring brush seal combination
US6695316B2 (en) * 2001-09-21 2004-02-24 General Electric Company Apparatus and methods for supporting a retractable packing ring
US6715766B2 (en) * 2001-10-30 2004-04-06 General Electric Company Steam feed hole for retractable packing segments in rotary machines
US6588764B2 (en) * 2001-11-20 2003-07-08 Dresser-Rand Company Segmented labyrinth seal assembly and method
US6786487B2 (en) * 2001-12-05 2004-09-07 General Electric Company Actuated brush seal
US6502823B1 (en) * 2001-12-07 2003-01-07 General Electric Company Actuating seal carrier for a turbine and method of retrofitting
US6651986B2 (en) * 2002-01-29 2003-11-25 General Electric Company Retractable packing ring lower half segment retaining key and method for retaining retractable packing ring lower half segment
US6935634B2 (en) * 2003-05-08 2005-08-30 General Electric Company Steam turbine packing spring

Also Published As

Publication number Publication date
GB2439635A (en) 2008-01-02
RU2445536C2 (ru) 2012-03-20
RU2007124034A (ru) 2009-01-10
GB2439635B (en) 2011-04-13
CN101096998B (zh) 2012-09-05
CN101096998A (zh) 2008-01-02
KR20080000532A (ko) 2008-01-02
FR2902854A1 (fr) 2007-12-28
US20070296159A1 (en) 2007-12-27
GB0712149D0 (en) 2007-08-01
US8181967B2 (en) 2012-05-22

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Legal Events

Date Code Title Description
ST Notification of lapse

Effective date: 20150227