JP4351152B2 - アクティブティップクリアランス制御を伴うガスタービンエンジン - Google Patents
アクティブティップクリアランス制御を伴うガスタービンエンジン Download PDFInfo
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- JP4351152B2 JP4351152B2 JP2004503777A JP2004503777A JP4351152B2 JP 4351152 B2 JP4351152 B2 JP 4351152B2 JP 2004503777 A JP2004503777 A JP 2004503777A JP 2004503777 A JP2004503777 A JP 2004503777A JP 4351152 B2 JP4351152 B2 JP 4351152B2
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- rotor shaft
- gas turbine
- turbine engine
- tip clearance
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- Expired - Fee Related
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02C—GAS-TURBINE PLANTS; AIR INTAKES FOR JET-PROPULSION PLANTS; CONTROLLING FUEL SUPPLY IN AIR-BREATHING JET-PROPULSION PLANTS
- F02C3/00—Gas-turbine plants characterised by the use of combustion products as the working fluid
- F02C3/04—Gas-turbine plants characterised by the use of combustion products as the working fluid having a turbine driving a compressor
- F02C3/045—Gas-turbine plants characterised by the use of combustion products as the working fluid having a turbine driving a compressor having compressor and turbine passages in a single rotor-module
- F02C3/05—Gas-turbine plants characterised by the use of combustion products as the working fluid having a turbine driving a compressor having compressor and turbine passages in a single rotor-module the compressor and the turbine being of the radial flow 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
- F01D11/14—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
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01D—NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES
- F01D21/00—Shutting-down of machines or engines, e.g. in emergency; Regulating, controlling, or safety means not otherwise provided for
- F01D21/04—Shutting-down of machines or engines, e.g. in emergency; Regulating, controlling, or safety means not otherwise provided for responsive to undesired position of rotor relative to stator or to breaking-off of a part of the rotor, e.g. indicating such position
-
- 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
- F01D25/16—Arrangement of bearings; Supporting or mounting bearings in casings
-
- 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
- F01D5/00—Blades; Blade-carrying members; Heating, heat-insulating, cooling or antivibration means on the blades or the members
- F01D5/02—Blade-carrying members, e.g. rotors
- F01D5/04—Blade-carrying members, e.g. rotors for radial-flow machines or engines
- F01D5/043—Blade-carrying members, e.g. rotors for radial-flow machines or engines of the axial inlet- radial outlet, or vice versa, type
- F01D5/048—Form or construction
-
- 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
- F01D5/00—Blades; Blade-carrying members; Heating, heat-insulating, cooling or antivibration means on the blades or the members
- F01D5/12—Blades
- F01D5/28—Selecting particular materials; Particular measures relating thereto; Measures against erosion or corrosion
- F01D5/284—Selection of ceramic materials
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/05—Shafts or bearings, or assemblies thereof, specially adapted for elastic fluid pumps
- F04D29/052—Axially shiftable rotors
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K1/00—Details of the magnetic circuit
- H02K1/06—Details of the magnetic circuit characterised by the shape, form or construction
- H02K1/22—Rotating parts of the magnetic circuit
- H02K1/27—Rotor cores with permanent magnets
- H02K1/2706—Inner rotors
- H02K1/272—Inner rotors the magnetisation axis of the magnets being perpendicular to the rotor axis
- H02K1/2726—Inner rotors the magnetisation axis of the magnets being perpendicular to the rotor axis the rotor consisting of a single magnet or two or more axially juxtaposed single magnets
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K7/00—Arrangements for handling mechanical energy structurally associated with dynamo-electric machines, e.g. structural association with mechanical driving motors or auxiliary dynamo-electric machines
- H02K7/18—Structural association of electric generators with mechanical driving motors, e.g. with turbines
- H02K7/1807—Rotary generators
- H02K7/1823—Rotary generators structurally associated with turbines or similar engines
-
- 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
- F05D2220/70—Application in combination with
- F05D2220/76—Application in combination with an electrical generator
- F05D2220/768—Application in combination with an electrical generator equipped with permanent magnets
-
- 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
- F05D2270/00—Control
- F05D2270/60—Control system actuates means
-
- 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
- F05D2300/00—Materials; Properties thereof
- F05D2300/20—Oxide or non-oxide ceramics
- F05D2300/22—Non-oxide ceramics
- F05D2300/228—Nitrides
- F05D2300/2283—Nitrides of silicon
-
- 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
Description
ここで、大文字Lは第1の電極34の軸線方向の長さである。
Claims (13)
- アクティブティップクリアランス制御を伴うガスタービンエンジンであって、
ベアリングにより回転自在に支持されたロータシャフト(12)と、
前記ロータシャフトに一体的に結合され、第1の外周シュラウド(15)と協働して吸気を圧縮するためのラジアルコンプレッサ部を形成するコンプレッサホイール(13)と、
前記コンプレッサ部により得られた圧縮空気により燃料を燃焼させるための燃焼室(4)と、
前記ロータシャフトに一体的に結合され、第2の外周シュラウド(16)と協働して、前記燃焼室の出口端に連通する入口端及び燃焼ガスを排出する出口端を有するタービン部を形成するタービンホイール(14)と、
前記コンプレッサホイールと前記第1の外周シュラウドとの間のティップクリアランスを検出するためのセンサと、
前記ロータシャフトの軸線方向変位を選択的に引き起こすためのアクチュエータ(25)と、
前記センサからの出力に基づき、前記アクチュエータを選択的に作動させることにより、ティップクリアランスを制御するべく、前記センサに機能的に接続されたコントローラ(40)とを有し、
前記センサが、前記コンプレッサホイールの表面部上に形成され、且つ前記ロータシャフトの表面部上に延出する第1の電極(31)と、前記第1の電極に対向するようにシュラウド部分上に形成された第2の電極(32)と、前記第1の電極の、前記ロータシャフト上の延出部分に対向するハウジング部分(10)に形成された第3の電極(33)とを有し、
前記コントローラが、前記第2の電極に機能的に接続された第1の入力端子と、前記第3の電極に機能的に接続された第2の入力端子とを有することを特徴とするガスタービンエンジン。 - 前記アクチュエータがピエゾアクチュエータを含むことを特徴とする請求項1に記載のガスタービンエンジン。
- 前記アクチュエータの作動端が、レバー機構を介して前記ロータシャフトに係合することを特徴とする請求項2に記載のガスタービンエンジン。
- 前記アクチュエータの作動端が、回転自在継手を介して前記ロータシャフトに係合することを特徴とする請求項1に記載のガスタービンエンジン。
- 前記アクチュエータの作動端が、磁気継手を介して前記ロータシャフトに係合することを特徴とする請求項1に記載のガスタービンエンジン。
- 前記アクチュエータが、前記ロータシャフトの端部に空気を衝当させるためのフラッパノズルを含むことを特徴とする請求項1に記載のガスタービンエンジン。
- 前記ロータシャフトが、前記コンプレッサホイール及び前記タービンホイールを一体化した一体的ユニットをなすことを特徴とする請求項1に記載のガスタービンエンジン。
- 前記一体的ユニットがセラミックからなることを特徴とする請求項7に記載のガスタービンエンジン。
- 前記ロータシャフトが、前記コンプレッサホイール又は前記タービンホイールを一体化した一体的ユニットをなすことを特徴とする請求項1に記載のガスタービンエンジン。
- 前記コントローラが、フィードバック制御により前記ティップクリアランスを制御するべく適合されていることを特徴とする請求項1に記載のガスタービンエンジン。
- 前記コントローラが、所定の手順に従って前記ティップクリアランスを制御するべく適合されていることを特徴とする請求項10に記載のガスタービンエンジン。
- 前記第2及び第3の電極の少なくとも一方が、保護電極(47)により外囲されていることを特徴とする請求項1に記載のガスタービンエンジン。
- アクティブティップクリアランス制御を伴うガスタービンエンジンであって、
ベアリングにより回転自在に支持されたロータシャフト(12)と、
前記ロータシャフトに一体的に結合され、第1の外周シュラウド(15)と協働して吸気を圧縮するためのラジアルコンプレッサ部を形成するコンプレッサホイール(13)と、
前記コンプレッサ部により得られた圧縮空気により燃料を燃焼させるための燃焼室(4)と、
前記ロータシャフトに一体的に結合され、第2の外周シュラウド(16)と協働して、前記燃焼室の出口端に連通する入口端及び燃焼ガスを排出する出口端を有するタービン部を形成するタービンホイール(14)と、
前記コンプレッサホイールと前記第1の外周シュラウドとの間のティップクリアランスを検出するためのセンサと、
前記ロータシャフトの一部を外囲するハウジング(10)と、
前記ロータシャフトの軸線方向変位を選択的に引き起こすためのアクチュエータ(25)と、
前記センサからの出力に基づき、前記アクチュエータを選択的に作動させることにより、ティップクリアランスを制御するべく、前記センサに機能的に接続されたコントローラ(40)とを有し、
前記センサが、前記ロータシャフトの表面部上に形成された第1の電極(34)と、前記第1の電極に対向するようにハウジング部分上に形成された第2の電極(36)と、前記第1の電極に対向し、前記第2の電極に隣接するようにハウジング部分上に設けられた第3の電極(37)と、前記第2及び第3の電極の間に配置された共通電極(35)とを有し、
前記第1の電極が部分的にのみ前記第2及び第3の電極に重合されることにより、これらの電極により差動静電容量アセンブリが形成され、
前記コントローラが、前記第2及び第3の電極に機能的に接続された1対の差動入力端子と、前記共通電極に接続された共通入力端子とを有することにより、前記ロータシャフトの軸線方向変位を決定するように、前記第2及び第3の電極間の静電容量を検出するようにしたことを特徴とするガスタービンエンジン。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US37811202P | 2002-05-14 | 2002-05-14 | |
US10/173,552 US6692222B2 (en) | 2002-05-14 | 2002-06-14 | Micro gas turbine engine with active tip clearance control |
PCT/JP2003/005629 WO2003095801A1 (en) | 2002-05-14 | 2003-05-02 | Gas turbine engine with active tip clearance control |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2005525494A JP2005525494A (ja) | 2005-08-25 |
JP4351152B2 true JP4351152B2 (ja) | 2009-10-28 |
Family
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2004503777A Expired - Fee Related JP4351152B2 (ja) | 2002-05-14 | 2003-05-02 | アクティブティップクリアランス制御を伴うガスタービンエンジン |
Country Status (5)
Country | Link |
---|---|
US (1) | US6692222B2 (ja) |
EP (1) | EP1509683B1 (ja) |
JP (1) | JP4351152B2 (ja) |
CA (1) | CA2485458C (ja) |
WO (1) | WO2003095801A1 (ja) |
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-
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- 2002-06-14 US US10/173,552 patent/US6692222B2/en not_active Expired - Fee Related
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2003
- 2003-05-02 WO PCT/JP2003/005629 patent/WO2003095801A1/en active IP Right Grant
- 2003-05-02 EP EP03728025A patent/EP1509683B1/en not_active Expired - Lifetime
- 2003-05-02 CA CA002485458A patent/CA2485458C/en not_active Expired - Fee Related
- 2003-05-02 JP JP2004503777A patent/JP4351152B2/ja not_active Expired - Fee Related
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US20030215323A1 (en) | 2003-11-20 |
CA2485458C (en) | 2009-09-22 |
JP2005525494A (ja) | 2005-08-25 |
CA2485458A1 (en) | 2003-11-20 |
EP1509683A1 (en) | 2005-03-02 |
EP1509683B1 (en) | 2007-07-18 |
WO2003095801A1 (en) | 2003-11-20 |
US6692222B2 (en) | 2004-02-17 |
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