JP5345310B2 - タービンエンジンの冷却を促進するシステム及びガスタービンエンジン - Google Patents
タービンエンジンの冷却を促進するシステム及びガスタービンエンジン Download PDFInfo
- Publication number
- JP5345310B2 JP5345310B2 JP2007255375A JP2007255375A JP5345310B2 JP 5345310 B2 JP5345310 B2 JP 5345310B2 JP 2007255375 A JP2007255375 A JP 2007255375A JP 2007255375 A JP2007255375 A JP 2007255375A JP 5345310 B2 JP5345310 B2 JP 5345310B2
- Authority
- JP
- Japan
- Prior art keywords
- shroud
- cooling
- assembly
- cooling holes
- leading edge
- 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
- F01D25/00—Component parts, details, or accessories, not provided for in, or of interest apart from, other groups
- F01D25/08—Cooling; Heating; Heat-insulation
- F01D25/12—Cooling
-
- 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
- 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
- F01D25/00—Component parts, details, or accessories, not provided for in, or of interest apart from, other groups
- F01D25/24—Casings; Casing parts, e.g. diaphragms, casing fastenings
- F01D25/246—Fastening of diaphragms or stator-rings
-
- 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
- F01D9/00—Stators
- F01D9/02—Nozzles; Nozzle boxes; Stator blades; Guide conduits, e.g. individual nozzles
- F01D9/04—Nozzles; Nozzle boxes; Stator blades; Guide conduits, e.g. individual nozzles forming ring or sector
-
- 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
- F05D2240/10—Stators
- F05D2240/11—Shroud seal segments
-
- 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
- F05D2240/80—Platforms for stationary or moving blades
- F05D2240/81—Cooled platforms
-
- 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
- F05D2250/00—Geometry
- F05D2250/30—Arrangement of components
- F05D2250/31—Arrangement of components according to the direction of their main axis or their axis of rotation
- F05D2250/314—Arrangement of components according to the direction of their main axis or their axis of rotation the axes being inclined in relation to each other
-
- 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
-
- 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
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T29/00—Metal working
- Y10T29/49—Method of mechanical manufacture
- Y10T29/49229—Prime mover or fluid pump making
- Y10T29/49236—Fluid pump or compressor making
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Turbine Rotor Nozzle Sealing (AREA)
Description
110 シュラウド組立体
112 高圧タービンセクション
114 低圧タービンセクション
130 シュラウドセグメント
132 前方取付けフック
133 シュラウドセグメント前縁
134 中央取付けフック
136 後方取付けフック
137 円周方向後縁
138 フィルム冷却シュラウド半径方向内表面
140 冷却半径方向内表面
144 シュラウド支持体
146 前方セクション
148 支持構造体中央セクション
150 支持構造体後方セクション
152 前方突出ハンガ
154 前方突出ハンガ
156 前方突出ハンガ
158 シュラウドリング構造体
162 中央セクション位置制御リング
164 後方位置制御リング
166 軸方向前方突出ハンガ
167 後方突出取付けフック
168 軸方向前方突出ハンガ
169 後方突出取付けフック
170 高圧冷却空気
171 第1の部分
172 第2の部分
173 高圧タービンセクションアクティブ対流冷却域
174 高圧タービンセクション(HPTS)供給孔
175 平鍋形HPTS衝突バッフル
176 上側HPTSキャビティ又はプレナム
177 穿孔
178 下側HPTSキャビティ又はプレナム
179 裏面
180 使用済み衝突冷却空気
181 前縁冷却孔
182 ギャップ
183 高圧タービンノズル外側バンド
184 部分
185 後方に配向された冷却孔
186 第2のすなわち低圧タービンセクションアクティブ対流冷却域
187 低圧タービン供給孔
188 平鍋形低圧タービンセクション衝突バッフル
189 上側LPTSキャビティ又はプレナム
190 穿孔
191 下側LPTSキャビティ又はプレナム
192 裏面
193 使用済み衝突冷却空気
194 後方に配向された冷却孔
204 ダクト
205 後端部
210 第3の領域
211 非アクティブ対流冷却域
500 外側バンド後縁
504 外側バンド後方フランジ
506 上流面
508 後方フランジ冷却孔
510 翼形ベーン
512 第1の側壁
514 第2の側壁
516 翼形部前縁
518 翼形部後縁
520 タービンノズル組立体又はノズルセグメント
522 半径方向内表面
526 冷却空気
550 周期的局所ホットスポット
555 中心線
α 放出角
β 放出角
Claims (10)
- ノズル組立体を備えたエンジン組立体であって、
前記ノズル組立体が、
内側バンドと、
後方フランジ(504)と半径方向内表面(522)とを含み、前記後方フランジが冷却流体(526)を傾斜放出角(α)で配向するよう構成された複数の冷却孔(508)を含む外側バンド(183)と、
前記内側バンドと前記外側バンドとの間を延びる少なくとも1つの翼形ベーン(510)と、
シュラウド組立体(110)と
を含み、
前記シュラウド組立体が、シュラウド内表面(138)とシュラウド組立体前縁(133)とを含み、前記シュラウド組立体前縁が、前記外側バンド(183)後方フランジ(504)と前記シュラウド組立体前縁との間に定められたギャップ(182)の中心線(555)に対して傾斜角度(β)で冷却空気を放出するように構成された複数の冷却孔(181)を含み、
前記外側バンド(183)の複数の冷却孔(508)の各々が、前記シュラウド組立体前縁(133)に定められた前記複数の冷却孔のそれぞれと、前記ギャップ(182)において整列されている
ことを特徴とするエンジン組立体。 - 前記外側バンド(183)の複数の冷却孔(508)の各々と、前記シュラウド組立体(110)の複数の冷却孔の各々とが、前記エンジン組立体のロータの回転方向に対して斜め配向されている、
ことを特徴とする請求項1に記載のエンジン組立体。 - 前記外側バンド後方フランジ(504)の複数の冷却孔(508)が、前記外側バンド後方フランジと前記シュラウド組立体前縁(133)との間に定められたギャップ(182)内への高温ガスの吸込みの低減を促進する、
ことを特徴とする請求項1に記載のエンジン組立体。 - 前記外側バンド後方フランジ(504)の複数の冷却孔(508)と前記複数のシュラウド組立体前縁冷却孔(181)とが、前記シュラウド内表面(138)のフィルム冷却を促進する、
ことを特徴とする請求項1に記載のエンジン組立体。 - 前記外側バンド後方フランジ(504)の複数の冷却孔(508)が、前記複数のシュラウド組立体前縁冷却孔(181)の各々の放出角(β)とは異なる放出角(α)で配向された、
ことを特徴とする請求項2に記載のエンジン組立体。 - 内側バンドと、外側バンド(183)と、前記内側バンド及び前記外側バンド間を延びる少なくとも1つの翼形ベーン(510)と、シュラウド組立体(110)とを含むノズル組立体を備えたガスタービンエンジンであって、
前記外側バンドが、後方フランジ(504)と半径方向内表面(522)とを含み、前記後方フランジが、冷却流体(526)を傾斜放出角(α)で配向するように構成された複数の冷却孔(508)を含み、
前記シュラウド組立体が、シュラウド内表面(138)とシュラウド組立体前縁(133)とを含み、前記シュラウド組立体前縁が、前記外側バンド後方フランジ(504)と前記シュラウド組立体前縁との間に定められたギャップ(182)の中心線(555)に対して傾斜角度(β)で冷却空気(180)を放出するように構成された複数の冷却孔(181)を含み、
前記複数の冷却孔(508)の各々が、前記シュラウド組立体前縁(133)に定められた前記複数の冷却孔(181)のそれぞれと、前記ギャップ(182)において整列されている
ことを特徴とするガスタービンエンジン。 - 前記外側バンド(183)の複数の冷却孔(508)の各々と、前記シュラウド組立体(110)の複数の冷却孔の各々とが、前記エンジン組立体のロータの回転方向に対して斜め配向されている、
ことを特徴とする請求項6に記載のガスタービンエンジン。 - 前記外側バンド後方フランジ(504)の複数の冷却孔(508)が、前記外側バンド後方フランジと前記シュラウド組立体前縁(133)との間に定められたギャップ(182)内への高温ガスの吸込みの低減を促進する、
ことを特徴とする請求項6に記載のガスタービンエンジン。 - 前記外側バンド後方フランジ(504)の複数の冷却孔(508)と前記複数のシュラウド組立体前縁冷却孔(181)とが、前記シュラウド内表面(138)のフィルム冷却を促進する、
ことを特徴とする請求項6に記載のガスタービンエンジン。 - 前記外側バンド後方フランジ(504)の複数の冷却孔(508)が、前記複数のシュラウド組立体前縁冷却孔(181)の各々の放出角(β)とは異なる放出角(α)で配向された、
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。
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US11/565,229 | 2006-11-30 | ||
US11/565,229 US7785067B2 (en) | 2006-11-30 | 2006-11-30 | Method and system to facilitate cooling turbine engines |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2008138666A JP2008138666A (ja) | 2008-06-19 |
JP5345310B2 true JP5345310B2 (ja) | 2013-11-20 |
Family
ID=38740183
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2007255375A Expired - Fee Related JP5345310B2 (ja) | 2006-11-30 | 2007-09-28 | タービンエンジンの冷却を促進するシステム及びガスタービンエンジン |
Country Status (4)
Country | Link |
---|---|
US (1) | US7785067B2 (ja) |
EP (1) | EP2063118A3 (ja) |
JP (1) | JP5345310B2 (ja) |
CA (1) | CA2603312C (ja) |
Families Citing this family (29)
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US20090169361A1 (en) * | 2007-12-29 | 2009-07-02 | Michael Scott Cole | Cooled turbine nozzle segment |
US20090165275A1 (en) * | 2007-12-29 | 2009-07-02 | Michael Scott Cole | Method for repairing a cooled turbine nozzle segment |
US8147192B2 (en) * | 2008-09-19 | 2012-04-03 | General Electric Company | Dual stage turbine shroud |
US10337404B2 (en) * | 2010-03-08 | 2019-07-02 | General Electric Company | Preferential cooling of gas turbine nozzles |
JP2012211527A (ja) * | 2011-03-30 | 2012-11-01 | Mitsubishi Heavy Ind Ltd | ガスタービン |
EP2706196A1 (en) | 2012-09-07 | 2014-03-12 | Siemens Aktiengesellschaft | Turbine vane arrangement |
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US8814507B1 (en) * | 2013-05-28 | 2014-08-26 | Siemens Energy, Inc. | Cooling system for three hook ring segment |
US10408071B2 (en) | 2013-09-18 | 2019-09-10 | United Technologies Corporation | BOAS thermal protection |
US9771816B2 (en) | 2014-05-07 | 2017-09-26 | General Electric Company | Blade cooling circuit feed duct, exhaust duct, and related cooling structure |
US9638045B2 (en) | 2014-05-28 | 2017-05-02 | General Electric Company | Cooling structure for stationary blade |
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-
2006
- 2006-11-30 US US11/565,229 patent/US7785067B2/en not_active Expired - Fee Related
-
2007
- 2007-09-20 CA CA2603312A patent/CA2603312C/en not_active Expired - Fee Related
- 2007-09-27 EP EP07117321A patent/EP2063118A3/en not_active Withdrawn
- 2007-09-28 JP JP2007255375A patent/JP5345310B2/ja not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
US20080131260A1 (en) | 2008-06-05 |
CA2603312A1 (en) | 2008-05-30 |
CA2603312C (en) | 2015-01-06 |
US7785067B2 (en) | 2010-08-31 |
JP2008138666A (ja) | 2008-06-19 |
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