EP2246524A3 - Dichtsystem und Steuerverfahren dafür - Google Patents

Dichtsystem und Steuerverfahren dafür Download PDF

Info

Publication number: EP2246524A3
Authority: EP; European Patent Office
Prior art keywords: seal; contact; fins; breathable spacers; rotor
Prior art date: 2009-05-01
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 Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.): Withdrawn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

English (en)

French (fr)

Other versions

EP2246524A2 (de

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.)

2009-05-01

Filing date

2010-04-29

Publication date

2017-10-18

2010-04-29 Application filed by Mitsubishi Hitachi Power Systems Ltd filed Critical Mitsubishi Hitachi Power Systems Ltd

2010-11-03 Publication of EP2246524A2 publication Critical patent/EP2246524A2/de

2017-10-18 Publication of EP2246524A3 publication Critical patent/EP2246524A3/de

Status Withdrawn legal-status Critical Current

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 Dichtsystem und Steuerverfahren dafür Withdrawn EP2246524A3 (de)

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 (de)	2010-11-03
EP2246524A3 true EP2246524A3 (de)	2017-10-18

Family

ID=42275618

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
EP10161505.2A Withdrawn EP2246524A3 (de)	2009-05-01	2010-04-29	Dichtsystem und Steuerverfahren dafür

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
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
WO2014091599A1 (ja) *	2012-12-13	2014-06-19	株式会社日立製作所	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

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 (de) *	2007-12-04	2011-10-05	Hitachi Ltd.	Dichtungsanordnung für eine Dampfturbine

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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
EP1169587A1 (de) *	2000-02-01	2002-01-09	General Electric Company	Positiv belastete dicht- und bürstenringkombination
EP1152124A1 (de) *	2000-05-04	2001-11-07	Siemens Aktiengesellschaft	Dichtungsanordnung
CA2394284C (en) *	2000-10-28	2007-01-23	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
US6786487B2 (en) *	2001-12-05	2004-09-07	General Electric Company	Actuated brush seal
US7066470B2 (en) *	2001-12-05	2006-06-27	General Electric Company	Active seal assembly
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

2009
- 2009-05-01 JP JP2009112332A patent/JP5411569B2/ja not_active Expired - Fee Related
2010
- 2010-04-28 US US12/769,249 patent/US20100278645A1/en not_active Abandoned
- 2010-04-28 CN CN2010101710461A patent/CN101876259A/zh active Pending
- 2010-04-29 EP EP10161505.2A patent/EP2246524A3/de not_active Withdrawn

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 (de) *	2007-12-04	2011-10-05	Hitachi Ltd.	Dichtungsanordnung für eine Dampfturbine

Also Published As

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

Publication	Publication Date	Title
EP2246524A3 (de)	2017-10-18	Dichtsystem und Steuerverfahren dafür
EP2587028A3 (de)	2017-07-19	Aktives Spaltregelungssystem und Verfahren für ein Gasturbinentriebwerk
EP2067930A3 (de)	2010-06-30	Dichtung für eine Dampfturbine
DK201170439A (en)	2012-02-17	Apparatus and method for operation of a wind turbine
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EP2775102A3 (de)	2018-05-23	Vorrichtung und Verfahren zur Verhinderung der Undichtheit von Luft zwischen mehreren Turbinenkomponenten
EP1965031A3 (de)	2011-04-20	Deckbandsegment eines Turbinentriebwerks, Dichtstreifen für ein Deckbandsegment und entsprechende Anordnung
IN2012DN02226A (de)	2015-08-21
WO2008131776A3 (en)	2009-04-09	A method of operating a wind turbine, a wind turbine and a cluster of wind turbines
EP2667063A3 (de)	2014-08-27	Rotierende Gleitringdichtung mit wölbungshemmenden Merkmalen
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EP2412924A3 (de)	2015-08-05	Abstandhalter für eine Rotoranordnungsscheibe für einen Gasturbinenmotor und Verfahren zum Erstellen einer Rotoranordnung
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EP2662534A3 (de)	2015-06-17	System zur Spaltkontrolle für eine Turbine und zugehörige Turbine
BR112017008593A2 (pt)	2018-03-27	aleta de rotor para uma turbomáquina, conjunto giratório para uma turbomáquina, métodos de funcionamento de um conjunto giratório para uma turbomáquina e método de produção de uma aleta de rotor para uma turbomáquina
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EP2581564A3 (de)	2016-01-13	Steuerungssystem und Verfahren zur Steuerung des Betriebs von Stromerzeugungssystemen
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Legal Events

Date	Code	Title	Description
2010-10-01	PUAI	Public reference made under article 153(3) epc to a published international application that has entered the european phase	Free format text: ORIGINAL CODE: 0009012
2010-11-03	17P	Request for examination filed	Effective date: 20100917
2010-11-03	AK	Designated contracting states	Kind code of ref document: A2 Designated state(s): AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO SE SI SK SM TR
2014-08-20	RAP1	Party data changed (applicant data changed or rights of an application transferred)	Owner name: MITSUBISHI HITACHI POWER SYSTEMS, LTD.
2015-04-15	RAP1	Party data changed (applicant data changed or rights of an application transferred)	Owner name: MITSUBISHI HITACHI POWER SYSTEMS, LTD.
2017-09-15	PUAL	Search report despatched	Free format text: ORIGINAL CODE: 0009013
2017-10-18	AK	Designated contracting states	Kind code of ref document: A3 Designated state(s): AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO SE SI SK SM TR
2017-10-18	RIC1	Information provided on ipc code assigned before grant	Ipc: F01D 11/08 20060101ALI20170913BHEP Ipc: F01D 1/02 20060101AFI20170913BHEP Ipc: F01D 11/14 20060101ALI20170913BHEP
2018-08-20	GRAP	Despatch of communication of intention to grant a patent	Free format text: ORIGINAL CODE: EPIDOSNIGR1
2018-08-20	STAA	Information on the status of an ep patent application or granted ep patent	Free format text: STATUS: GRANT OF PATENT IS INTENDED
2018-09-19	INTG	Intention to grant announced	Effective date: 20180821
2018-11-09	STAA	Information on the status of an ep patent application or granted ep patent	Free format text: STATUS: THE APPLICATION HAS BEEN WITHDRAWN
2018-12-12	18W	Application withdrawn	Effective date: 20181106