JP2006063982A - ロータ組立体の先端間隙を維持するための方法及び装置 - Google Patents
ロータ組立体の先端間隙を維持するための方法及び装置 Download PDFInfo
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- JP2006063982A JP2006063982A JP2005242223A JP2005242223A JP2006063982A JP 2006063982 A JP2006063982 A JP 2006063982A JP 2005242223 A JP2005242223 A JP 2005242223A JP 2005242223 A JP2005242223 A JP 2005242223A JP 2006063982 A JP2006063982 A JP 2006063982A
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- Prior art keywords
- heat exchanger
- high pressure
- engine
- casing
- air
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- 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.)
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Classifications
-
- 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
- F02C7/00—Features, components parts, details or accessories, not provided for in, or of interest apart form groups F02C1/00 - F02C6/00; Air intakes for jet-propulsion plants
- F02C7/12—Cooling of plants
- F02C7/16—Cooling of plants characterised by cooling medium
- F02C7/18—Cooling of plants characterised by cooling medium the medium being gaseous, e.g. air
- F02C7/185—Cooling means for reducing the temperature of the cooling air or gas
-
- 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
- F01D11/16—Adjusting or regulating tip-clearance, i.e. distance between rotor-blade tips and stator casing by self-adjusting means
- F01D11/18—Adjusting or regulating tip-clearance, i.e. distance between rotor-blade tips and stator casing by self-adjusting means using stator or rotor components with predetermined thermal response, e.g. selective insulation, thermal inertia, differential expansion
-
- 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
- F01D11/24—Actively adjusting tip-clearance by selectively cooling-heating stator or rotor components
-
- 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
- F01D5/08—Heating, heat-insulating or cooling means
- F01D5/081—Cooling fluid being directed on the side of the rotor disc or at the roots of the blades
- F01D5/082—Cooling fluid being directed on the side of the rotor disc or at the roots of the blades on the side of the rotor disc
-
- 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)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Turbine Rotor Nozzle Sealing (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
【解決手段】 ガスタービンエンジンは、少なくとも1つのエンジンケーシング(94)と少なくとも1つのロータ組立体(54)とを含む。本方法は、供給管(90)を通して空気流を熱交換器(96)内に導く段階と、熱交換器内で空気流の温度を低下させる段階と、冷却した空気流をエンジンケーシング内に導いて該ケーシングを冷却する段階とを含む。また、ガスタービンエンジン(10)が、高圧後部空洞(84)と高圧タービンディスク(60)とを含み、冷却した空気流を高圧後部空洞に導く段階と、高圧タービンディスクの後面を冷却する段階とをさらに含んでもよい。
【選択図】 図2
Description
を含む。熱交換器96は、冷却空気供給管90に結合されかつ該冷却空気供給管90と流れ連通する。熱交換器96は、空気が熱交換器96を通過するとき、冷却空気から熱を除去する冷却媒体ループ98を含む。冷却媒体ループ98内では、任意の適当な冷却媒体を用いることができる。1つの例示的な実施形態では、冷却媒体ループ98を通して、ガスタービンエンジン燃料が導かれる。別の例示的な実施形態では、冷却媒体ループ98を通して、タービン軸受オイル又は冷却剤が導かれる。
12 ファン組立体
14 高圧圧縮機
16 燃焼器
18 高圧タービン
22 ブースタ
52 固定タービンノズル
54 ロータ組立体
60 タービンディスク
70 タービンブレード
72 環状のシュラウド
74 環状のバンド
84 後部ディスク空洞
88 間隙制御システム
90 冷却空気供給管
92 冷却空気入口
94 エンジンケーシング
96 熱交換器
98 冷却媒体ループ
Claims (10)
- 少なくとも1つのエンジンケーシング(94)と少なくとも1つのロータ組立体(54)とを含むガスタービンエンジン(10)を運転方法であって、
供給管(90)を通して空気流を熱交換器(96)内に導く段階と、
前記熱交換器内で空気流の温度を低下させる段階と、
冷却した空気流を前記エンジンケーシング内に導いて該ケーシングを冷却する段階と、
を含む方法。 - 前記ガスタービンエンジン(10)が、高圧後部空洞(84)と高圧タービンディスク(60)とをさらに含み、該方法が、
冷却した空気流を前記高圧後部空洞に導く段階と、
前記高圧タービンディスクの後面を冷却する段階と、をさらに含む、
請求項1記載の方法。 - 空気流の少なくとも一部分を前記熱交換器(96)に導いて冷却しかつ再利用する段階をさらに含む、請求項2記載の方法。
- 前記熱交換器(96)が冷却媒体ループ(98)を含み、該方法が、前記熱交換器の冷却媒体ループを通して前記ガスタービンエンジンの燃料の少なくとも一部分を導いて該熱交換器内で空気流を冷却する段階をさらに含む、請求項1記載の方法。
- ファン(12)と、少なくとも1つの段及び吐出口を有する圧縮機(14)と、ブースタ(22)と、少なくとも1つのディスク(60)を有する高圧タービン(18)と、前記圧縮機(14)及び高圧タービン(18)の周りで円周方向に延びる少なくとも1つのエンジンケーシング(94)とを含むガスタービンエンジン(10)用の間隙制御システム(88)であって、
前記ファン、ブースタ及び圧縮機の少なくとも1つからの空気を前記高圧タービンに導くように構成された空気供給管(90)と、
前記空気供給管と流れ連通して、該空気供給管を通過する空気流を冷却する熱交換器(96)と、を含み、
前記熱交換器が、冷却媒体ループ(98)を含む、
間隙制御システム(88)。 - 前記冷却媒体ループ(98)が、ガスタービンエンジン燃料ラインの一部分を含む、請求項5記載の間隙制御システム(88)。
- 前記空気供給管(90)が、前記エンジンケーシング(94)に接続されて、冷却空気流を該ケーシングの内部に導いて該ケーシングを冷却するようになっている、請求項5記載の間隙制御システム(88)。
- 前記空気供給管(90)が、前記ファン(12)、ブースタ(22)及び圧縮機(14)の段の少なくとも1つに接続されている、請求項5記載の間隙制御システム(88)。
- 該システムが、冷却空気流を前記高圧タービンディスク(60)に導いて該ディスクを冷却するようにように構成されている、請求項7記載の間隙制御システム(88)。
- 該システムが、冷却空気流を前記熱交換器(96)に戻るように導いて再冷却しかつ再利用するように構成されている、請求項9記載の間隙制御システム(88)。
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US10/925,465 | 2004-08-25 | ||
US10/925,465 US7269955B2 (en) | 2004-08-25 | 2004-08-25 | Methods and apparatus for maintaining rotor assembly tip clearances |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2006063982A true JP2006063982A (ja) | 2006-03-09 |
JP4975990B2 JP4975990B2 (ja) | 2012-07-11 |
Family
ID=35219252
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2005242223A Expired - Fee Related JP4975990B2 (ja) | 2004-08-25 | 2005-08-24 | ロータ組立体の先端間隙を維持するための方法及び装置 |
Country Status (3)
Country | Link |
---|---|
US (1) | US7269955B2 (ja) |
EP (1) | EP1630385B1 (ja) |
JP (1) | JP4975990B2 (ja) |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2010084573A1 (ja) * | 2009-01-20 | 2010-07-29 | 三菱重工業株式会社 | ガスタービン設備 |
JP2010242544A (ja) * | 2009-04-02 | 2010-10-28 | Toshiba Corp | ガスタービン発電設備およびそのクリアランスコントロールシステムバックアップ空気の供給方法 |
WO2011105132A1 (ja) * | 2010-02-24 | 2011-09-01 | 三菱重工業株式会社 | 航空用ガスタービン |
JP2013217373A (ja) * | 2012-04-09 | 2013-10-24 | General Electric Co <Ge> | ガスタービンのクリアランス制御システム |
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US8662824B2 (en) * | 2010-01-28 | 2014-03-04 | Pratt & Whitney Canada Corp. | Rotor containment structure for gas turbine engine |
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US8973373B2 (en) * | 2011-10-31 | 2015-03-10 | General Electric Company | Active clearance control system and method for gas turbine |
CN102606312B (zh) * | 2012-04-10 | 2014-07-09 | 北京航空航天大学 | 一种用于燃气涡轮导叶分段式几何调节的冷却方法 |
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Cited By (9)
Publication number | Priority date | Publication date | Assignee | Title |
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WO2010084573A1 (ja) * | 2009-01-20 | 2010-07-29 | 三菱重工業株式会社 | ガスタービン設備 |
JP5174190B2 (ja) * | 2009-01-20 | 2013-04-03 | 三菱重工業株式会社 | ガスタービン設備 |
KR101274928B1 (ko) | 2009-01-20 | 2013-06-17 | 미츠비시 쥬고교 가부시키가이샤 | 가스 터빈 설비 |
US8602724B2 (en) | 2009-01-20 | 2013-12-10 | Mitsubishi Heavy Industries, Ltd. | Gas turbine plant |
JP2010242544A (ja) * | 2009-04-02 | 2010-10-28 | Toshiba Corp | ガスタービン発電設備およびそのクリアランスコントロールシステムバックアップ空気の供給方法 |
WO2011105132A1 (ja) * | 2010-02-24 | 2011-09-01 | 三菱重工業株式会社 | 航空用ガスタービン |
JP2011174419A (ja) * | 2010-02-24 | 2011-09-08 | Mitsubishi Heavy Ind Ltd | 航空用ガスタービン |
US9945250B2 (en) | 2010-02-24 | 2018-04-17 | Mitsubishi Heavy Industries Aero Engines, Ltd. | Aircraft gas turbine |
JP2013217373A (ja) * | 2012-04-09 | 2013-10-24 | General Electric Co <Ge> | ガスタービンのクリアランス制御システム |
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US7269955B2 (en) | 2007-09-18 |
EP1630385B1 (en) | 2013-07-03 |
US20060042266A1 (en) | 2006-03-02 |
JP4975990B2 (ja) | 2012-07-11 |
EP1630385A3 (en) | 2011-05-25 |
EP1630385A2 (en) | 2006-03-01 |
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