CA2264996C - Sealing device for axial flow turbine - Google Patents

Sealing device for axial flow turbine Download PDF

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Publication number
CA2264996C
CA2264996C CA002264996A CA2264996A CA2264996C CA 2264996 C CA2264996 C CA 2264996C CA 002264996 A CA002264996 A CA 002264996A CA 2264996 A CA2264996 A CA 2264996A CA 2264996 C CA2264996 C CA 2264996C
Authority
CA
Canada
Prior art keywords
sealing ring
segments
rotor
sealing
axial flow
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
CA002264996A
Other languages
English (en)
French (fr)
Other versions
CA2264996A1 (en
Inventor
Minoru Matsuda
Toshio Suzuki
Manabu Komiyama
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.)
Toshiba Corp
Original Assignee
Toshiba Corp
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 Toshiba Corp filed Critical Toshiba Corp
Publication of CA2264996A1 publication Critical patent/CA2264996A1/en
Application granted granted Critical
Publication of CA2264996C publication Critical patent/CA2264996C/en
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • 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
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
    • F05C—INDEXING SCHEME RELATING TO MATERIALS, MATERIAL PROPERTIES OR MATERIAL CHARACTERISTICS FOR MACHINES, ENGINES OR PUMPS OTHER THAN NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES
    • F05C2251/00—Material properties
    • F05C2251/08—Shape memory

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Turbine Rotor Nozzle Sealing (AREA)
  • Sealing Devices (AREA)
CA002264996A 1998-03-06 1999-03-05 Sealing device for axial flow turbine Expired - Fee Related CA2264996C (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP10071195A JPH11257014A (ja) 1998-03-06 1998-03-06 軸流タービンの作動流体漏洩防止装置
JP71195/1998 1998-03-06

Publications (2)

Publication Number Publication Date
CA2264996A1 CA2264996A1 (en) 1999-09-06
CA2264996C true CA2264996C (en) 2003-08-19

Family

ID=13453657

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002264996A Expired - Fee Related CA2264996C (en) 1998-03-06 1999-03-05 Sealing device for axial flow turbine

Country Status (5)

Country Link
JP (1) JPH11257014A (zh)
KR (1) KR100309970B1 (zh)
CN (1) CN1160509C (zh)
AU (1) AU720250B2 (zh)
CA (1) CA2264996C (zh)

Families Citing this family (27)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4719334B2 (ja) * 2000-04-10 2011-07-06 イーグル工業株式会社 シール装置
US20040017050A1 (en) * 2002-07-29 2004-01-29 Burdgick Steven Sebastian Endface gap sealing for steam turbine diaphragm interstage packing seals and methods of retrofitting
US6971844B2 (en) * 2003-05-29 2005-12-06 General Electric Company Horizontal joint sealing system for steam turbine diaphragm assemblies
GB2413602B (en) * 2004-04-26 2008-02-13 Alstom Technology Ltd Process for producing leaves for a leaf seal
CA2520792C (en) * 2004-09-30 2014-01-28 General Electric Company Compliant seal and system and method thereof
US7731478B2 (en) * 2006-05-25 2010-06-08 General Electric Company Method and apparatus for variable clearance packing
US7540708B2 (en) * 2006-06-30 2009-06-02 General Electric Company Methods and apparatus to facilitate sealing in a turbine
KR100833165B1 (ko) * 2007-01-18 2008-05-28 두성티에스 주식회사 로터리밸브 유닛
JP4822072B2 (ja) * 2007-08-08 2011-11-24 横河電機株式会社 通気装置
KR100875638B1 (ko) 2008-09-10 2008-12-26 배정식 급수펌프용 씰 어셈블리
KR101007119B1 (ko) * 2010-10-04 2011-01-10 홍선영 발전 터빈의 다이아프램용 실
CH704995A1 (de) 2011-05-24 2012-11-30 Alstom Technology Ltd Turbomaschine.
US8939709B2 (en) 2011-07-18 2015-01-27 General Electric Company Clearance control for a turbine
US8789833B2 (en) * 2012-03-28 2014-07-29 General Electric Company Turbine assembly and method for assembling a turbine
KR101316774B1 (ko) * 2013-02-22 2013-10-22 조정봉 저압 터빈용 글랜드 케이싱의 침식 방지구조
EP2971692B1 (en) 2013-03-15 2020-02-12 United Technologies Corporation Vibration damping apparatus for hydrostatic seal of gas turbine engine
CN103195929B (zh) * 2013-04-27 2016-03-30 四川东能节能技术有限公司 应用于回转式空气预热器热端的自膨胀补偿密封片
US10066496B2 (en) 2014-03-27 2018-09-04 United Technologies Corporation Gas turbine engine and seal assembly therefore
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
CN104632413B (zh) * 2015-01-30 2018-05-01 北京华清燃气轮机与煤气化联合循环工程技术有限公司 一种燃气轮机燃压缸转静密封结构
EP3270014B1 (en) * 2015-03-09 2020-11-11 Eagle Industry Co., Ltd. Divided-type brush seal device
JP6490498B2 (ja) 2015-06-03 2019-03-27 三菱日立パワーシステムズ株式会社 シール装置および回転機械
JP6842963B2 (ja) * 2017-03-23 2021-03-17 三菱パワー株式会社 軸シール装置、回転機械
CN107355540B (zh) * 2017-08-18 2023-07-14 国网湖南省电力公司 间隙自适应调整密封结构
JP7052263B2 (ja) * 2017-09-11 2022-04-12 いすゞ自動車株式会社 可変ノズルターボチャージャ
CN109611374A (zh) * 2019-01-14 2019-04-12 北京星际荣耀空间科技有限公司 一种低温液体火箭发动机涡轮泵用夹芯式迷宫密封结构
CN114483209B (zh) * 2021-12-27 2023-07-14 东方电气集团东方汽轮机有限公司 一种汽轮机轴端汽封体密封结构

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
JP2790063B2 (ja) * 1994-11-29 1998-08-27 日本ジョン・クレーン株式会社 メカニカルシール

Also Published As

Publication number Publication date
KR19990077657A (ko) 1999-10-25
CN1160509C (zh) 2004-08-04
JPH11257014A (ja) 1999-09-21
AU1863399A (en) 1999-09-16
AU720250B2 (en) 2000-05-25
CN1228505A (zh) 1999-09-15
CA2264996A1 (en) 1999-09-06
KR100309970B1 (ko) 2001-10-29

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