JP2013177866A - ターボ機械 - Google Patents

ターボ機械 Download PDF

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Publication number
JP2013177866A
JP2013177866A JP2012042693A JP2012042693A JP2013177866A JP 2013177866 A JP2013177866 A JP 2013177866A JP 2012042693 A JP2012042693 A JP 2012042693A JP 2012042693 A JP2012042693 A JP 2012042693A JP 2013177866 A JP2013177866 A JP 2013177866A
Authority
JP
Japan
Prior art keywords
seal
rotor
fin
seal fin
gap
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.)
Pending
Application number
JP2012042693A
Other languages
English (en)
Japanese (ja)
Inventor
Akira Endo
彰 遠藤
Kazuyuki Yamaguchi
和幸 山口
Yohei Magara
洋平 真柄
Toyomi Yoshida
豊美 吉田
Kenichi Murata
健一 村田
Takeshi Kudo
健 工藤
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.)
Hitachi Ltd
Original Assignee
Hitachi 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 Hitachi Ltd filed Critical Hitachi Ltd
Priority to JP2012042693A priority Critical patent/JP2013177866A/ja
Priority to US13/779,338 priority patent/US20130223998A1/en
Priority to CN201310061204.1A priority patent/CN103291379B/zh
Priority to EP13157095.4A priority patent/EP2634376A3/fr
Publication of JP2013177866A publication Critical patent/JP2013177866A/ja
Pending 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)
JP2012042693A 2012-02-29 2012-02-29 ターボ機械 Pending JP2013177866A (ja)

Priority Applications (4)

Application Number Priority Date Filing Date Title
JP2012042693A JP2013177866A (ja) 2012-02-29 2012-02-29 ターボ機械
US13/779,338 US20130223998A1 (en) 2012-02-29 2013-02-27 Turbo Machinery
CN201310061204.1A CN103291379B (zh) 2012-02-29 2013-02-27 涡轮机
EP13157095.4A EP2634376A3 (fr) 2012-02-29 2013-02-28 Agancement d'étenchéité pour turbomachines

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 (1)

Publication Number Publication Date
JP2013177866A true JP2013177866A (ja) 2013-09-09

Family

ID=47757452

Family Applications (1)

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

Country Status (4)

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

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2016537590A (ja) * 2013-09-30 2016-12-01 シーメンス アクティエンゲゼルシャフト アブレイダブルシールおよびシール構造体

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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 (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6154556U (fr) * 1984-09-14 1986-04-12
JPS6469798A (en) * 1987-09-11 1989-03-15 Hitachi Ltd Fixed bush for sealing pump shaft
JPH0343502U (fr) * 1989-09-05 1991-04-24
JPH0488566U (fr) * 1990-12-18 1992-07-31
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
JPH1113688A (ja) * 1997-06-23 1999-01-19 Hitachi Ltd 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

Family Cites Families (10)

* 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
WO1994016251A1 (fr) * 1993-01-08 1994-07-21 The Texas A&M University System Garnitures d'etancheite et d'amortissement a pression
JPH0719005A (ja) 1993-06-30 1995-01-20 Toshiba Corp ラビリンスシール装置
JP3477347B2 (ja) * 1997-07-30 2003-12-10 三菱重工業株式会社 ガスタービン段間部シール装置
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
US9181817B2 (en) * 2010-06-30 2015-11-10 General Electric Company Method and apparatus for labyrinth seal packing rings
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 (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6154556U (fr) * 1984-09-14 1986-04-12
JPS6469798A (en) * 1987-09-11 1989-03-15 Hitachi Ltd Fixed bush for sealing pump shaft
JPH0343502U (fr) * 1989-09-05 1991-04-24
JPH0488566U (fr) * 1990-12-18 1992-07-31
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
JPH1113688A (ja) * 1997-06-23 1999-01-19 Hitachi Ltd 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

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2016537590A (ja) * 2013-09-30 2016-12-01 シーメンス アクティエンゲゼルシャフト アブレイダブルシールおよびシール構造体

Also Published As

Publication number Publication date
EP2634376A3 (fr) 2016-04-13
CN103291379A (zh) 2013-09-11
CN103291379B (zh) 2016-08-17
EP2634376A2 (fr) 2013-09-04
US20130223998A1 (en) 2013-08-29

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