JP5411569B2 - シール構造とその制御方法 - Google Patents

シール構造とその制御方法 Download PDF

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Publication number
JP5411569B2
JP5411569B2 JP2009112332A JP2009112332A JP5411569B2 JP 5411569 B2 JP5411569 B2 JP 5411569B2 JP 2009112332 A JP2009112332 A JP 2009112332A JP 2009112332 A JP2009112332 A JP 2009112332A JP 5411569 B2 JP5411569 B2 JP 5411569B2
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JP
Japan
Prior art keywords
rotor
spacer
seal
steam
movable
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
JP2009112332A
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English (en)
Japanese (ja)
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JP2010261351A (ja
Inventor
健次郎 成田
晴幸 山崎
裕之 土井
計 小林
初 鳥谷
健 工藤
慶享 児島
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Hitachi Ltd
Original Assignee
Hitachi Ltd
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Filing date
Publication date
Application filed by Hitachi Ltd filed Critical Hitachi Ltd
Priority to JP2009112332A priority Critical patent/JP5411569B2/ja
Priority to CN2010101710461A priority patent/CN101876259A/zh
Priority to US12/769,249 priority patent/US20100278645A1/en
Priority to EP10161505.2A priority patent/EP2246524A3/de
Publication of JP2010261351A publication Critical patent/JP2010261351A/ja
Application granted granted Critical
Publication of JP5411569B2 publication Critical patent/JP5411569B2/ja
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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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)
JP2009112332A 2009-05-01 2009-05-01 シール構造とその制御方法 Expired - Fee Related JP5411569B2 (ja)

Priority Applications (4)

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
CN2010101710461A CN101876259A (zh) 2009-05-01 2010-04-28 密封结构及其控制方法
US12/769,249 US20100278645A1 (en) 2009-05-01 2010-04-28 Seal Structure and Control Method Therefor
EP10161505.2A EP2246524A3 (de) 2009-05-01 2010-04-29 Dichtsystem und Steuerverfahren dafür

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
JP2010261351A JP2010261351A (ja) 2010-11-18
JP5411569B2 true JP5411569B2 (ja) 2014-02-12

Family

ID=42275618

Family Applications (1)

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

Country Status (4)

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

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* Cited by examiner, † Cited by third party
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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
JP5993032B2 (ja) * 2012-12-13 2016-09-14 三菱日立パワーシステムズ株式会社 回転流体機械
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
DE102013017710A1 (de) * 2013-10-24 2015-04-30 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

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US7549834B2 (en) * 2006-06-19 2009-06-23 General Electric Company Actuation pressure control for adjustable seals in turbomachinery
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JP2008223660A (ja) * 2007-03-14 2008-09-25 Toshiba Corp 軸シール装置およびターボ機械
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

Also Published As

Publication number Publication date
EP2246524A2 (de) 2010-11-03
CN101876259A (zh) 2010-11-03
JP2010261351A (ja) 2010-11-18
US20100278645A1 (en) 2010-11-04
EP2246524A3 (de) 2017-10-18

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