EP2634376A3 - Agancement d'étenchéité pour turbomachines - Google Patents

Agancement d'étenchéité pour turbomachines Download PDF

Info

Publication number
EP2634376A3
EP2634376A3 EP13157095.4A EP13157095A EP2634376A3 EP 2634376 A3 EP2634376 A3 EP 2634376A3 EP 13157095 A EP13157095 A EP 13157095A EP 2634376 A3 EP2634376 A3 EP 2634376A3
Authority
EP
European Patent Office
Prior art keywords
rotating body
stator
seal fin
seal
turbo
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.)
Withdrawn
Application number
EP13157095.4A
Other languages
German (de)
English (en)
Other versions
EP2634376A2 (fr
Inventor
Akira Endo
Kazuyuki Yamaguchi
Yohei Magara
Toyomi Yoshida
Kenichi Murata
Takeshi Kudo
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.)
Mitsubishi Power Ltd
Original Assignee
Mitsubishi Hitachi Power Systems 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 Mitsubishi Hitachi Power Systems Ltd filed Critical Mitsubishi Hitachi Power Systems Ltd
Publication of EP2634376A2 publication Critical patent/EP2634376A2/fr
Publication of EP2634376A3 publication Critical patent/EP2634376A3/fr
Withdrawn legal-status Critical Current

Links

Classifications

    • 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
    • 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
    • F01D11/001—Preventing or minimising internal leakage of working-fluid, e.g. between stages for sealing space between stator blade and rotor
    • 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
    • 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
    • F01D11/12—Preventing or minimising internal leakage of working-fluid, e.g. between stages for sealing space between rotor blade tips and stator using a rubstrip, e.g. erodible. deformable or resiliently-biased part
    • F01D11/122—Preventing or minimising internal leakage of working-fluid, e.g. between stages for sealing space between rotor blade tips and stator using a rubstrip, e.g. erodible. deformable or resiliently-biased part with erodable or abradable material
    • 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
    • F01D25/04—Antivibration arrangements
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
    • F05D—INDEXING SCHEME FOR ASPECTS RELATING TO NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES, GAS-TURBINES OR JET-PROPULSION PLANTS
    • F05D2200/00—Mathematical features
    • F05D2200/30—Mathematical features miscellaneous
    • F05D2200/33—Mathematical features miscellaneous bigger or smaller
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
    • F05D—INDEXING SCHEME FOR ASPECTS RELATING TO NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES, GAS-TURBINES OR JET-PROPULSION PLANTS
    • F05D2220/00—Application
    • F05D2220/30—Application in turbines
    • F05D2220/31—Application in turbines in steam turbines

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Sealing Using Fluids, Sealing Without Contact, And Removal Of Oil (AREA)
  • Turbine Rotor Nozzle Sealing (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)
EP13157095.4A 2012-02-29 2013-02-28 Agancement d'étenchéité pour turbomachines Withdrawn EP2634376A3 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2012042693A JP2013177866A (ja) 2012-02-29 2012-02-29 ターボ機械

Publications (2)

Publication Number Publication Date
EP2634376A2 EP2634376A2 (fr) 2013-09-04
EP2634376A3 true EP2634376A3 (fr) 2016-04-13

Family

ID=47757452

Family Applications (1)

Application Number Title Priority Date Filing Date
EP13157095.4A Withdrawn EP2634376A3 (fr) 2012-02-29 2013-02-28 Agancement d'étenchéité pour turbomachines

Country Status (4)

Country Link
US (1) US20130223998A1 (fr)
EP (1) EP2634376A3 (fr)
JP (1) JP2013177866A (fr)
CN (1) CN103291379B (fr)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102013219766A1 (de) * 2013-09-30 2015-04-16 Siemens Aktiengesellschaft Anstreifdichtung und Dichtungsanordnung
JP6412960B2 (ja) * 2015-01-27 2018-10-24 三菱日立パワーシステムズ株式会社 回転機械
JP7051656B2 (ja) * 2018-09-28 2022-04-11 三菱重工コンプレッサ株式会社 タービンステータ、蒸気タービン、及び仕切板
JP7281991B2 (ja) * 2019-07-23 2023-05-26 三菱重工業株式会社 シール部材及び回転機械
CN112796841B (zh) * 2020-12-25 2022-03-15 东方电气集团东方汽轮机有限公司 一种减少过桥汽封漏汽量的结构

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6154556U (fr) * 1984-09-14 1986-04-12
JPH0343502U (fr) * 1989-09-05 1991-04-24
WO1994016251A1 (fr) * 1993-01-08 1994-07-21 The Texas A&M University System Garnitures d'etancheite et d'amortissement a pression
US5967746A (en) * 1997-07-30 1999-10-19 Mitsubishi Heavy Industries, Ltd. Gas turbine interstage portion seal device
US20120003080A1 (en) * 2010-06-30 2012-01-05 General Electric Company Method and apparatus for labyrinth seal packing rings

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3529904A (en) * 1968-10-28 1970-09-22 Westinghouse Electric Corp Diaphragm seal structure
JPS6469798A (en) * 1987-09-11 1989-03-15 Hitachi Ltd Fixed bush for sealing pump shaft
JPH0488566U (fr) * 1990-12-18 1992-07-31
JPH0719005A (ja) 1993-06-30 1995-01-20 Toshiba Corp ラビリンスシール装置
JPH10141005A (ja) * 1996-11-08 1998-05-26 Mitsubishi Heavy Ind Ltd 軸封装置及びこれを用いた遠心圧縮機
JP3567064B2 (ja) * 1997-06-23 2004-09-15 株式会社 日立インダストリイズ ラビリンスシール装置及びそれを備えた流体機械
JP2002228013A (ja) * 2001-02-01 2002-08-14 Mitsubishi Heavy Ind Ltd Ａｃｃ型ラビリンスシール
CN1704561A (zh) * 2004-06-02 2005-12-07 王胜五 蜂窝体接触汽封
US7344357B2 (en) * 2005-09-02 2008-03-18 General Electric Company Methods and apparatus for assembling a rotary machine
US7780407B2 (en) * 2006-01-04 2010-08-24 General Electric Company Rotary machines and methods of assembling
JP4655123B2 (ja) * 2008-08-07 2011-03-23 株式会社日立プラントテクノロジー 遠心圧縮機
US8570505B2 (en) * 2012-03-06 2013-10-29 Siemens Energy, Inc. One-dimensional coherent fiber array for inspecting components in a gas turbine engine

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6154556U (fr) * 1984-09-14 1986-04-12
JPH0343502U (fr) * 1989-09-05 1991-04-24
WO1994016251A1 (fr) * 1993-01-08 1994-07-21 The Texas A&M University System Garnitures d'etancheite et d'amortissement a pression
US5967746A (en) * 1997-07-30 1999-10-19 Mitsubishi Heavy Industries, Ltd. Gas turbine interstage portion seal device
US20120003080A1 (en) * 2010-06-30 2012-01-05 General Electric Company Method and apparatus for labyrinth seal packing rings

Also Published As

Publication number Publication date
EP2634376A2 (fr) 2013-09-04
CN103291379B (zh) 2016-08-17
CN103291379A (zh) 2013-09-11
JP2013177866A (ja) 2013-09-09
US20130223998A1 (en) 2013-08-29

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