JP5281795B2 - ターボ機械の能動出没自在シール - Google Patents
ターボ機械の能動出没自在シール Download PDFInfo
- Publication number
- JP5281795B2 JP5281795B2 JP2008001829A JP2008001829A JP5281795B2 JP 5281795 B2 JP5281795 B2 JP 5281795B2 JP 2008001829 A JP2008001829 A JP 2008001829A JP 2008001829 A JP2008001829 A JP 2008001829A JP 5281795 B2 JP5281795 B2 JP 5281795B2
- Authority
- JP
- Japan
- Prior art keywords
- seal
- seal ring
- ring
- seal assembly
- rotating component
- 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
Links
Images
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
- 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
- F01D11/025—Seal clearance control; Floating assembly; Adaptation means to differential thermal dilatations
-
- 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
- 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
- F01D11/127—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 a deformable or crushable structure, e.g. honeycomb
-
- 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
- F01D11/20—Actively adjusting tip-clearance
- F01D11/22—Actively adjusting tip-clearance by mechanically actuating the stator or rotor components, e.g. moving shroud sections relative to the rotor
-
- 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
- F05D2240/56—Brush seals
-
- 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
- F05D2240/57—Leaf seals
-
- 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
- F05D2240/59—Lamellar seals
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T50/00—Aeronautics or air transport
- Y02T50/60—Efficient propulsion technologies, e.g. for aircraft
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)
Description
Claims (6)
- ターボ機械の回転構成要素(12)と非回転構成要素(14)との間で使用するための能動出没自在シール組立体において、
前記非回転構成要素(14)に装着され、両側の圧力降下の関数として閉鎖位置と開放位置との間で前記回転構成要素(12)に対して接近し及び離間するように移動自在であり、1つ以上のアクチュエータによって前記開放位置に向かって付勢される少なくとも1つのシールリング(18又はR2)と、
前記少なくとも1つのシールリングの周囲に流体を搬送して、前記シールリングの前記両側の圧力降下を減少させる流体バイパス回路(52、54、56、58)と
を備え、
前記流体バイパス回路は、前記少なくとも1つのシールリングの上流側に位置する入口から前記少なくとも1つのシールリングの下流側に位置する出口まで延びる導管を含み、
前記流体バイパス回路の前記入口から前記出口の間に、バイパス制御弁が配置され、
前記制御弁は、前記シールリングの前記両側の圧力降下を能動的に制御して、前記ターボ機械のいかなる動作条件においても、動作中は前記少なくとも1つのシールリングが前記1つ以上のアクチュエータによって前記開放位置に移動することができる、
能動出没自在シール組立体。 - 前記弁(58)は、手動操作により制御される、請求項1に記載のシール組立体。
- 前記制御弁(58)は、自動動作するようにプログラムされる、請求項1に記載のシール組立体。
- 前記回転構成要素は、回転翼軸(12)である、請求項1に記載のシール組立体。
- 前記静止構成要素(14)は、シェル、ケーシング、パッキンヘッド、ダイアフラム又はシュラウドハンガを備える、請求項1に記載のシール組立体。
- 前記1つ以上のアクチュエータが、1つ以上のばね(48)を備える、請求項1に記載のシール組立体。
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US11/652,076 US8540479B2 (en) | 2007-01-11 | 2007-01-11 | Active retractable seal for turbo machinery and related method |
US11/652,076 | 2007-01-11 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2008170005A JP2008170005A (ja) | 2008-07-24 |
JP5281795B2 true JP5281795B2 (ja) | 2013-09-04 |
Family
ID=39510079
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2008001829A Expired - Fee Related JP5281795B2 (ja) | 2007-01-11 | 2008-01-09 | ターボ機械の能動出没自在シール |
Country Status (5)
Country | Link |
---|---|
US (1) | US8540479B2 (ja) |
JP (1) | JP5281795B2 (ja) |
DE (1) | DE102008003301A1 (ja) |
FR (1) | FR2914009B1 (ja) |
RU (1) | RU2443883C2 (ja) |
Families Citing this family (42)
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US7909335B2 (en) * | 2008-02-04 | 2011-03-22 | General Electric Company | Retractable compliant plate seals |
US20100143102A1 (en) * | 2008-02-18 | 2010-06-10 | General Electric Company | Compliant plate seal with self-correcting behavior |
US20090304493A1 (en) * | 2008-06-09 | 2009-12-10 | General Electric Company | Axially oriented shingle face seal for turbine rotor and related method |
JP4898743B2 (ja) * | 2008-06-09 | 2012-03-21 | 三菱重工業株式会社 | 回転機械のシール構造 |
US20100078893A1 (en) * | 2008-09-30 | 2010-04-01 | General Electric Company | Active retractable seal for turbomachinery and related method |
US8021103B2 (en) * | 2008-10-29 | 2011-09-20 | General Electric Company | Pressure activated flow path seal for a steam turbine |
US8052380B2 (en) * | 2008-10-29 | 2011-11-08 | General Electric Company | Thermally-activated clearance reduction for a steam turbine |
US8262349B2 (en) * | 2008-12-22 | 2012-09-11 | General Electric Company | Adaptive compliant plate seal assemblies and methods |
EP2213922A1 (de) * | 2009-01-29 | 2010-08-04 | Siemens Aktiengesellschaft | Schnellschlussventil |
US20110309585A1 (en) * | 2009-06-16 | 2011-12-22 | Hidekazu Uehara | Shaft seal device |
US8333544B1 (en) * | 2009-08-14 | 2012-12-18 | Florida Turbine Technologies, Inc. | Card seal for a turbomachine |
US8650878B2 (en) | 2010-03-02 | 2014-02-18 | General Electric Company | Turbine system including valve for leak off line for controlling seal steam flow |
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US8568084B2 (en) * | 2010-06-23 | 2013-10-29 | General Electric Company | System for controlling thrust in steam turbine |
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US20120027582A1 (en) * | 2010-08-02 | 2012-02-02 | General Electric Company | Floating packing ring assembly |
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DE202011105609U1 (de) * | 2011-09-12 | 2011-10-13 | Alstom Technology Ltd. | Labyrinthdichtung |
JP5851890B2 (ja) * | 2012-03-08 | 2016-02-03 | 三菱重工業株式会社 | 軸シール装置 |
RU2493388C1 (ru) * | 2012-03-27 | 2013-09-20 | Открытое акционерное общество Конструкторско-производственное предприятие "Авиамотор" | Уплотнение внутреннего стыка камеры сгорания и статора турбины газотурбинного двигателя |
US9097350B2 (en) * | 2012-04-02 | 2015-08-04 | United Technologies Corporation | Axial non-contact seal |
JP6012505B2 (ja) * | 2013-02-22 | 2016-10-25 | 三菱重工業株式会社 | 軸シール装置及び回転機械 |
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US9121299B2 (en) | 2013-06-05 | 2015-09-01 | General Electric Company | Axially retractable brush seal system |
FR3007062B1 (fr) * | 2013-06-12 | 2017-12-08 | Snecma | Joint axial comprenant un corps coulissant de reglage de jeu, et turbomachine d'aeronef |
KR101327861B1 (ko) * | 2013-06-28 | 2013-11-11 | 조정봉 | 오일 디플렉터 |
ITCO20130070A1 (it) * | 2013-12-18 | 2015-06-19 | Nuovo Pignone Srl | Apparato per realizzare una tenuta di fluido in un ambiente interno di una turbomacchina |
DE102014203318A1 (de) * | 2014-02-25 | 2015-08-27 | Siemens Aktiengesellschaft | Verfahren zum Betrieb einer Gasturbine bei aktiver hydraulischer Spalteinstellung |
EP3002487B1 (en) * | 2014-10-03 | 2018-12-12 | General Electric Technology GmbH | Sealing system |
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 |
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-
2007
- 2007-01-11 US US11/652,076 patent/US8540479B2/en active Active
-
2008
- 2008-01-07 DE DE102008003301A patent/DE102008003301A1/de not_active Withdrawn
- 2008-01-09 JP JP2008001829A patent/JP5281795B2/ja not_active Expired - Fee Related
- 2008-01-10 RU RU2008101374/06A patent/RU2443883C2/ru active
- 2008-01-11 FR FR0850156A patent/FR2914009B1/fr not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
US20080169616A1 (en) | 2008-07-17 |
FR2914009B1 (fr) | 2017-06-09 |
US8540479B2 (en) | 2013-09-24 |
FR2914009A1 (fr) | 2008-09-26 |
RU2443883C2 (ru) | 2012-02-27 |
JP2008170005A (ja) | 2008-07-24 |
RU2008101374A (ru) | 2009-07-20 |
DE102008003301A1 (de) | 2008-07-17 |
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