JP2008088978A - ガス流れの閉じ込めを強化するための表面特徴を有するステータ−ロータ組立体及び関連するプロセス - Google Patents
ガス流れの閉じ込めを強化するための表面特徴を有するステータ−ロータ組立体及び関連するプロセス Download PDFInfo
- Publication number
- JP2008088978A JP2008088978A JP2007253383A JP2007253383A JP2008088978A JP 2008088978 A JP2008088978 A JP 2008088978A JP 2007253383 A JP2007253383 A JP 2007253383A JP 2007253383 A JP2007253383 A JP 2007253383A JP 2008088978 A JP2008088978 A JP 2008088978A
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- Prior art keywords
- stator
- rotor
- assembly
- gap
- recesses
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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.)
- Granted
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- 238000000034 method Methods 0.000 title claims description 17
- 230000008569 process Effects 0.000 title description 2
- 241000879887 Cyrtopleura costata Species 0.000 claims description 22
- 239000007789 gas Substances 0.000 description 73
- 238000001816 cooling Methods 0.000 description 18
- 238000013461 design Methods 0.000 description 12
- 230000008901 benefit Effects 0.000 description 11
- 239000012530 fluid Substances 0.000 description 9
- 238000010926 purge Methods 0.000 description 9
- 241000725175 Caladium bicolor Species 0.000 description 8
- 235000015966 Pleurocybella porrigens Nutrition 0.000 description 8
- 230000000712 assembly Effects 0.000 description 8
- 238000000429 assembly Methods 0.000 description 8
- 239000000567 combustion gas Substances 0.000 description 7
- 238000003754 machining Methods 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 3
- 239000000203 mixture Substances 0.000 description 3
- 230000008859 change Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- 230000002159 abnormal effect Effects 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 230000000052 comparative effect Effects 0.000 description 1
- 239000002826 coolant Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000009760 electrical discharge machining Methods 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 230000037406 food intake Effects 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 238000005495 investment casting Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000003801 milling Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 125000006850 spacer group Chemical group 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 238000012795 verification Methods 0.000 description 1
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
- F01D11/001—Preventing or minimising internal leakage of working-fluid, e.g. between stages for sealing space between stator blade and rotor
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Turbine Rotor Nozzle Sealing (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
【解決手段】ステータ18とロータ22との間に少なくとも1つの界面領域92を含むステータ−ロータ組立体21の、界面領域内の少なくとも1つのステータ又はロータ表面は、陥凹部のパターンを含む。陥凹部を備える表面としては、ステータの後端の半径方向面60、下側ディスカレッジャー面62等が含まれ、この陥凹部はステータとロータとの間のギャップ76を通るガス流を制限する。
【選択図】図2
Description
12 ロータホイール
14 ロータ空間
16 ボルト
18 ステータ
18、20 ノズル
21 組立体
22、24 ロータブレード
23 翼形部
25 シャンク
26 プラットフォーム
27 ダブテール
33、34、50、90 エンジェルウィング
36、58、64 ディスカレッジャー
38 高温ガス経路
54 トレンチキャビティ
60 半径方向面
62 ディスカレッジャー面
66 ロータ面
67 上面
69 下面
70、72 シール面
72 傾斜側壁
74 先端部
76 上側ギャップ
77 下側ギャップ
78 軸方向ギャップ
80 緩衝キャビティ
82 ホイール−スペース領域
91 先端部
92 界面領域
94、96 境界線
98 冷却空気
99 陥凹部
120、122 組立体
124 ステータ
126 ロータ
124、126 モノシリックプレート
128 高温ガス流領域
132 機内領域
134、136 流れ矢印
137 陥凹部
138 下面
140 上面
Claims (10)
- ステータ(18)の表面とロータ(22)の表面との間に少なくとも1つの界面領域(92)を備え、前記表面が少なくとも1つのギャップ(76)によって離隔され、前記界面領域(92)内のステータ又はロータ表面のうちの少なくとも1つが、陥凹部(99)のパターンを含むことを特徴とするステータ−ロータ組立体(21)。
- 前記ステータ(18)が、ギャップ(77)内に延びるセグメントを有する少なくとも1つのディスカレッジャーシール(64)を備えたノズルであり、前記陥凹部(99)のパターンが、前記セグメントの少なくとも1つの表面上に配置されることを特徴とする請求項1に記載の組立体(21)。
- 前記ロータ(22)が、タービンブレード又はバケットであることを特徴とする請求項1に記載の組立体(21)。
- 前記タービンブレード又はバケット(22)が、前記ギャップ内に延びる少なくとも1つのエンジェルウィング(50)を備え、陥凹部(99)のパターンが、前記エンジェルウィングの少なくとも1つの表面上に配置されることを特徴とする請求項3に記載の組立体(21)。
- 前記陥凹部(99)が、半球又は部分的半球の形状であることを特徴とする請求項1に記載の組立体。
- 前記ステータ表面と前記ロータ表面との間の前記界面領域(92)が、前記タービンエンジンの高温流路(38)から前記ギャップ(76)を通って前記ステータ−ロータ組立体(21)のホイール−スペース領域(82)までの気体の流れを制限する流量制限領域であり、前記陥凹部(99)が、前記高温流路(38)から前記ギャップ(76)を通るガスの付加的な制限をもたらすのに十分な形状及び大きさを有することを特徴とする請求項1に記載の組立体。
- ステータ(18)及びロータ(22)の相対する面を含み、前記相対面の少なくとも1つの上に陥凹部(99)のパターンが配置された組立体(21)。
- 少なくとも1つのステータ−ロータ組立体(21)を備えたターボ機械であって、前記ステータ−ロータ組立体がステータ(18)の表面とロータ(22)の表面との間に少なくとも1つの界面領域(92)を備え、前記表面が少なくとも1つのギャップ(76)によって離隔され、前記界面領域内のステータ表面又はロータ表面の少なくとも1つが、陥凹部(99)のパターンを含むことを特徴とするターボ機械。
- 前記陥凹部を含むタービンセクション及び圧縮機セクションの両方にステータ−ロータ組立体を備えることを特徴とする請求項8に記載のターボ機械。
- ターボ機械のステータ−ロータ組立体(21)内のステータ(18)とロータ(22)との間のギャップ(76)を通るガスの流れを制限するための方法であって、ギャップに隣接しているステータ又はロータの少なくとも1つの表面上に、ガス流を妨げるのに十分な大きさ及び形状を有する陥凹部(99)のパターンを形成する段階を含むこと特徴とする方法。
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US11/541,336 | 2006-09-29 | ||
US11/541,336 US8016552B2 (en) | 2006-09-29 | 2006-09-29 | Stator—rotor assemblies having surface features for enhanced containment of gas flow, and related processes |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2008088978A true JP2008088978A (ja) | 2008-04-17 |
JP5038835B2 JP5038835B2 (ja) | 2012-10-03 |
Family
ID=39226673
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2007253383A Expired - Fee Related JP5038835B2 (ja) | 2006-09-29 | 2007-09-28 | ガス流れの閉じ込めを強化するための表面特徴を有するステータ−ロータ組立体及び関連するプロセス |
Country Status (5)
Country | Link |
---|---|
US (1) | US8016552B2 (ja) |
JP (1) | JP5038835B2 (ja) |
CN (1) | CN101153548B (ja) |
CH (1) | CH703600B1 (ja) |
DE (1) | DE102007045951A1 (ja) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2016505771A (ja) * | 2013-01-23 | 2016-02-25 | シーメンス アクティエンゲゼルシャフト | ガスタービンエンジンにおけるプラットフォームの半径方向外側を向く面に溝を含むシールアセンブリ |
Families Citing this family (27)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2452297B (en) * | 2007-08-30 | 2010-01-06 | Rolls Royce Plc | A compressor |
US8206080B2 (en) * | 2008-06-12 | 2012-06-26 | Honeywell International Inc. | Gas turbine engine with improved thermal isolation |
US8419356B2 (en) * | 2008-09-25 | 2013-04-16 | Siemens Energy, Inc. | Turbine seal assembly |
US8277172B2 (en) * | 2009-03-23 | 2012-10-02 | General Electric Company | Apparatus for turbine engine cooling air management |
US8142141B2 (en) * | 2009-03-23 | 2012-03-27 | General Electric Company | Apparatus for turbine engine cooling air management |
US20120100001A1 (en) * | 2010-10-20 | 2012-04-26 | Zaward Corporation | Fan structure |
US20120251291A1 (en) * | 2011-03-31 | 2012-10-04 | General Electric Company | Stator-rotor assemblies with features for enhanced containment of gas flow, and related processes |
US8834122B2 (en) * | 2011-10-26 | 2014-09-16 | General Electric Company | Turbine bucket angel wing features for forward cavity flow control and related method |
US8827643B2 (en) | 2011-10-26 | 2014-09-09 | General Electric Company | Turbine bucket platform leading edge scalloping for performance and secondary flow and related method |
US8967973B2 (en) | 2011-10-26 | 2015-03-03 | General Electric Company | Turbine bucket platform shaping for gas temperature control and related method |
US20130106061A1 (en) * | 2011-10-28 | 2013-05-02 | General Electric Company | High temperature seal system |
DE102012206126B4 (de) * | 2012-04-13 | 2014-06-05 | MTU Aero Engines AG | Laufschaufel sowie Strömungsmaschine |
US9181815B2 (en) | 2012-05-02 | 2015-11-10 | United Technologies Corporation | Shaped rim cavity wing surface |
US9382807B2 (en) * | 2012-05-08 | 2016-07-05 | United Technologies Corporation | Non-axisymmetric rim cavity features to improve sealing efficiencies |
US8926283B2 (en) | 2012-11-29 | 2015-01-06 | Siemens Aktiengesellschaft | Turbine blade angel wing with pumping features |
US9068513B2 (en) | 2013-01-23 | 2015-06-30 | Siemens Aktiengesellschaft | Seal assembly including grooves in an inner shroud in a gas turbine engine |
EP2759676A1 (en) | 2013-01-28 | 2014-07-30 | Siemens Aktiengesellschaft | Turbine arrangement with improved sealing effect at a seal |
FR3003494B1 (fr) * | 2013-03-19 | 2015-06-19 | Snecma | Brut de fonderie pour la realisation d'une aube de rotor de turbomachine et aube de rotor fabriquee a partir de ce brut |
US9765639B2 (en) | 2014-01-10 | 2017-09-19 | Solar Turbines Incorporated | Gas turbine engine with exit flow discourager |
US20160123169A1 (en) * | 2014-11-04 | 2016-05-05 | General Electric Company | Methods and system for fluidic sealing in gas turbine engines |
US9771817B2 (en) | 2014-11-04 | 2017-09-26 | General Electric Company | Methods and system for fluidic sealing in gas turbine engines |
EP3020929A1 (en) * | 2014-11-17 | 2016-05-18 | United Technologies Corporation | Airfoil platform rim seal assembly |
US9771820B2 (en) * | 2014-12-30 | 2017-09-26 | General Electric Company | Gas turbine sealing |
US20170175557A1 (en) * | 2015-12-18 | 2017-06-22 | General Electric Company | Gas turbine sealing |
US10408075B2 (en) | 2016-08-16 | 2019-09-10 | General Electric Company | Turbine engine with a rim seal between the rotor and stator |
CN106321158B (zh) * | 2016-09-07 | 2017-12-15 | 南京航空航天大学 | 一种咬齿型盘缘封严结构及封严方法 |
US11746666B2 (en) | 2021-12-06 | 2023-09-05 | Solar Turbines Incorporated | Voluted hook angel-wing flow discourager |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
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US5222742A (en) * | 1990-12-22 | 1993-06-29 | Rolls-Royce Plc | Seal arrangement |
JP2002272059A (ja) * | 2001-01-04 | 2002-09-20 | General Electric Co <Ge> | 凹部をもった表面を有する発電機ステータの冷却装置 |
JP2004316795A (ja) * | 2003-04-17 | 2004-11-11 | Uchiyama Mfg Corp | 組合せシール部材及び製造方法 |
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US3262635A (en) * | 1964-11-06 | 1966-07-26 | Gen Electric | Turbomachine sealing means |
US4306834A (en) * | 1979-06-25 | 1981-12-22 | Westinghouse Electric Corp. | Balance piston and seal for gas turbine engine |
US4682933A (en) * | 1984-10-17 | 1987-07-28 | Rockwell International Corporation | Labyrinthine turbine-rotor-blade tip seal |
US4884820A (en) * | 1987-05-19 | 1989-12-05 | Union Carbide Corporation | Wear resistant, abrasive laser-engraved ceramic or metallic carbide surfaces for rotary labyrinth seal members |
US5224822A (en) * | 1991-05-13 | 1993-07-06 | General Electric Company | Integral turbine nozzle support and discourager seal |
US6027306A (en) * | 1997-06-23 | 2000-02-22 | General Electric Company | Turbine blade tip flow discouragers |
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-
2006
- 2006-09-29 US US11/541,336 patent/US8016552B2/en not_active Expired - Fee Related
-
2007
- 2007-09-05 CH CH01381/07A patent/CH703600B1/de not_active IP Right Cessation
- 2007-09-25 DE DE102007045951A patent/DE102007045951A1/de not_active Withdrawn
- 2007-09-28 JP JP2007253383A patent/JP5038835B2/ja not_active Expired - Fee Related
- 2007-09-29 CN CN2007101532602A patent/CN101153548B/zh not_active Expired - Fee Related
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
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US5222742A (en) * | 1990-12-22 | 1993-06-29 | Rolls-Royce Plc | Seal arrangement |
JP2002272059A (ja) * | 2001-01-04 | 2002-09-20 | General Electric Co <Ge> | 凹部をもった表面を有する発電機ステータの冷却装置 |
JP2004316795A (ja) * | 2003-04-17 | 2004-11-11 | Uchiyama Mfg Corp | 組合せシール部材及び製造方法 |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2016505771A (ja) * | 2013-01-23 | 2016-02-25 | シーメンス アクティエンゲゼルシャフト | ガスタービンエンジンにおけるプラットフォームの半径方向外側を向く面に溝を含むシールアセンブリ |
Also Published As
Publication number | Publication date |
---|---|
CN101153548A (zh) | 2008-04-02 |
CH703600B1 (de) | 2012-02-29 |
US20100119364A1 (en) | 2010-05-13 |
DE102007045951A1 (de) | 2008-04-24 |
CN101153548B (zh) | 2012-06-20 |
US8016552B2 (en) | 2011-09-13 |
JP5038835B2 (ja) | 2012-10-03 |
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