EP2246524A3 - Seal structure and control method therefor - Google Patents

Seal structure and control method therefor Download PDF

Info

Publication number
EP2246524A3
EP2246524A3 EP10161505.2A EP10161505A EP2246524A3 EP 2246524 A3 EP2246524 A3 EP 2246524A3 EP 10161505 A EP10161505 A EP 10161505A EP 2246524 A3 EP2246524 A3 EP 2246524A3
Authority
EP
European Patent Office
Prior art keywords
seal
contact
fins
breathable spacers
rotor
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Withdrawn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
EP10161505.2A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP2246524A2 (en
Inventor
Kenjiro Narita
Haruyuki Yamazaki
Hiroyuki Doi
Kei Kobayashi
Hajime Toriya
Takeshi Kudo
Yoshitaka Kojima
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 EP2246524A2 publication Critical patent/EP2246524A2/en
Publication of EP2246524A3 publication Critical patent/EP2246524A3/en
Withdrawn legal-status Critical Current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
    • F01D1/00—Non-positive-displacement machines or engines, e.g. steam turbines
    • F01D1/02—Non-positive-displacement machines or engines, e.g. steam turbines with stationary working-fluid guiding means and bladed or like rotor, e.g. multi-bladed impulse steam turbines
    • 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
    • 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
    • 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
    • F05D2240/00—Components
    • F05D2240/55—Seals

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Turbine Rotor Nozzle Sealing (AREA)
  • Sealing Using Fluids, Sealing Without Contact, And Removal Of Oil (AREA)
EP10161505.2A 2009-05-01 2010-04-29 Seal structure and control method therefor Withdrawn EP2246524A3 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2009112332A JP5411569B2 (ja) 2009-05-01 2009-05-01 シール構造とその制御方法

Publications (2)

Publication Number Publication Date
EP2246524A2 EP2246524A2 (en) 2010-11-03
EP2246524A3 true EP2246524A3 (en) 2017-10-18

Family

ID=42275618

Family Applications (1)

Application Number Title Priority Date Filing Date
EP10161505.2A Withdrawn EP2246524A3 (en) 2009-05-01 2010-04-29 Seal structure and control method therefor

Country Status (4)

Country Link
US (1) US20100278645A1 (zh)
EP (1) EP2246524A3 (zh)
JP (1) JP5411569B2 (zh)
CN (1) CN101876259A (zh)

Families Citing this family (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4668976B2 (ja) * 2007-12-04 2011-04-13 株式会社日立製作所 蒸気タービンのシール構造
JP5427798B2 (ja) * 2011-01-14 2014-02-26 株式会社日立製作所 蒸気タービンのシール構造
ITCO20110013A1 (it) * 2011-03-29 2012-09-30 Nuovo Pignone Spa Sistemi di chiusura per turboespansori da usare in cicli rankine organici
JP5717566B2 (ja) * 2011-07-13 2015-05-13 株式会社東芝 シール装置、および蒸気タービン
JP5308548B2 (ja) * 2012-02-06 2013-10-09 三菱重工業株式会社 シール構造及びこれを備える回転機械
CN102619577B (zh) * 2012-04-06 2015-06-10 东南大学 一种抑制叶顶间隙泄漏和减小汽流激振力装置
JP5892880B2 (ja) * 2012-07-03 2016-03-23 三菱日立パワーシステムズ株式会社 回転機械のシール構造及び回転機械
JP5936515B2 (ja) * 2012-10-18 2016-06-22 三菱日立パワーシステムズ株式会社 回転機械
CN104903547B (zh) * 2012-12-13 2016-09-21 三菱日立电力系统株式会社 旋转流体机械
CN103075204B (zh) * 2013-01-25 2015-11-18 潍坊雷诺特动力设备有限公司 汽轮机后汽封装置
DE202013012218U1 (de) * 2013-10-24 2015-09-21 Man Diesel & Turbo Se Dichtungssystem
JP6373500B2 (ja) * 2014-08-08 2018-08-15 シーメンス エナジー インコーポレイテッド ガスタービンエンジン内のステージ間シールハウジング最適化システム
CN104654786B (zh) * 2015-02-10 2016-08-31 烽火通信科技股份有限公司 一种预热炉的运动密封件
JP6601677B2 (ja) 2016-02-16 2019-11-06 三菱日立パワーシステムズ株式会社 シール装置及び回転機械
JP2018035717A (ja) * 2016-08-30 2018-03-08 三菱日立パワーシステムズ株式会社 シール装置用セグメント並びにそれを備えるタービンロータ及びタービン
FR3058495B1 (fr) * 2016-11-09 2019-06-28 Safran Aircraft Engines Dispositif d'etancheite a double etagement, joint labyrinthe et lechette mobile
US11519288B2 (en) * 2020-12-18 2022-12-06 General Electric Company Turbomachine clearance control using brush seals having magnetically responsive filaments

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3825364A (en) * 1972-06-09 1974-07-23 Gen Electric Porous abradable turbine shroud
US20070248452A1 (en) * 2006-04-25 2007-10-25 Brisson Bruce W Retractable compliant abradable sealing system and method for rotary machines
EP2372103A1 (en) * 2007-12-04 2011-10-05 Hitachi Ltd. Seal structure for a steam turbine

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US3527053A (en) * 1968-12-11 1970-09-08 Gen Electric Gas turbine engine with improved gas seal
US3970319A (en) * 1972-11-17 1976-07-20 General Motors Corporation Seal structure
US4080204A (en) * 1976-03-29 1978-03-21 Brunswick Corporation Fenicraly alloy and abradable seals made therefrom
JPS5920908B2 (ja) * 1977-07-21 1984-05-16 住友電気工業株式会社 ラビリンスパツキン
FR2438165A1 (fr) * 1978-10-06 1980-04-30 Snecma Dispositif de regulation de temperature pour turbines a gaz
US4251272A (en) * 1978-12-26 1981-02-17 Union Carbide Corporation Oxidation resistant porous abradable seal member for high temperature service
JPS5918210A (ja) * 1982-07-21 1984-01-30 Toshiba Corp 冷熱ガスタ−ビン用ラビリンスパツキン
US4460185A (en) * 1982-08-23 1984-07-17 General Electric Company Seal including a non-metallic abradable material
US4513975A (en) * 1984-04-27 1985-04-30 General Electric Company Thermally responsive labyrinth seal
JPH0230903A (ja) * 1988-07-20 1990-02-01 Hitachi Ltd 蒸気タービン
US5314304A (en) * 1991-08-15 1994-05-24 The United States Of America As Represented By The Secretary Of The Air Force Abradeable labyrinth stator seal
US5971400A (en) * 1998-08-10 1999-10-26 General Electric Company Seal assembly and rotary machine containing such seal assembly
JP2003521657A (ja) * 2000-02-01 2003-07-15 ゼネラル・エレクトリック・カンパニイ 付勢式のパッキンリングブラシシール組合せ
EP1152124A1 (de) * 2000-05-04 2001-11-07 Siemens Aktiengesellschaft Dichtungsanordnung
WO2002035094A1 (en) * 2000-10-28 2002-05-02 Airzen Co., Ltd. Rotary slant shaft type gas compressor with multi-stepped exhaust system
JP2002228013A (ja) * 2001-02-01 2002-08-14 Mitsubishi Heavy Ind Ltd Ａｃｃ型ラビリンスシール
US6547522B2 (en) * 2001-06-18 2003-04-15 General Electric Company Spring-backed abradable seal for turbomachinery
US6840519B2 (en) * 2001-10-30 2005-01-11 General Electric Company Actuating mechanism for a turbine and method of retrofitting
US7066470B2 (en) * 2001-12-05 2006-06-27 General Electric Company Active seal assembly
US6786487B2 (en) * 2001-12-05 2004-09-07 General Electric Company Actuated brush seal
US6887530B2 (en) * 2002-06-07 2005-05-03 Sulzer Metco (Canada) Inc. Thermal spray compositions for abradable seals
AU2002950972A0 (en) * 2002-08-23 2002-09-12 Hunt, James Richard Fuel delivery system
US6969231B2 (en) * 2002-12-31 2005-11-29 General Electric Company Rotary machine sealing assembly
DE10360164A1 (de) * 2003-12-20 2005-07-21 Mtu Aero Engines Gmbh Gasturbinenbauteil
US7435049B2 (en) * 2004-03-30 2008-10-14 General Electric Company Sealing device and method for turbomachinery
US7287956B2 (en) * 2004-12-22 2007-10-30 General Electric Company Removable abradable seal carriers for sealing between rotary and stationary turbine components
US20060228209A1 (en) * 2005-04-12 2006-10-12 General Electric Company Abradable seal between a turbine rotor and a stationary component
JP2007016704A (ja) 2005-07-08 2007-01-25 Mitsubishi Heavy Ind Ltd 回転軸のシール構造及びこれを有する回転機械
US7645117B2 (en) * 2006-05-05 2010-01-12 General Electric Company Rotary machines and methods of assembling
US7549834B2 (en) * 2006-06-19 2009-06-23 General Electric Company Actuation pressure control for adjustable seals in turbomachinery
JP2008169705A (ja) * 2007-01-09 2008-07-24 Toshiba Corp 蒸気タービン
JP2008223660A (ja) * 2007-03-14 2008-09-25 Toshiba Corp 軸シール装置およびターボ機械

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3825364A (en) * 1972-06-09 1974-07-23 Gen Electric Porous abradable turbine shroud
US20070248452A1 (en) * 2006-04-25 2007-10-25 Brisson Bruce W Retractable compliant abradable sealing system and method for rotary machines
EP2372103A1 (en) * 2007-12-04 2011-10-05 Hitachi Ltd. Seal structure for a steam turbine

Also Published As

Publication number Publication date
JP5411569B2 (ja) 2014-02-12
EP2246524A2 (en) 2010-11-03
CN101876259A (zh) 2010-11-03
JP2010261351A (ja) 2010-11-18
US20100278645A1 (en) 2010-11-04

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