JP5491874B2 - ガスタービン中の2次空気流を低減する装置およびシステム - Google Patents
ガスタービン中の2次空気流を低減する装置およびシステム Download PDFInfo
- Publication number
- JP5491874B2 JP5491874B2 JP2010003534A JP2010003534A JP5491874B2 JP 5491874 B2 JP5491874 B2 JP 5491874B2 JP 2010003534 A JP2010003534 A JP 2010003534A JP 2010003534 A JP2010003534 A JP 2010003534A JP 5491874 B2 JP5491874 B2 JP 5491874B2
- Authority
- JP
- Japan
- Prior art keywords
- sealing member
- rotor disk
- interstage
- turbine
- turbine buckets
- 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.)
- Active
Links
- 238000007789 sealing Methods 0.000 claims description 63
- 238000001816 cooling Methods 0.000 claims description 9
- 239000000463 material Substances 0.000 claims description 8
- 239000007789 gas Substances 0.000 description 21
- 238000000034 method Methods 0.000 description 9
- 238000010926 purge Methods 0.000 description 3
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 2
- 239000000567 combustion gas Substances 0.000 description 2
- 238000002485 combustion reaction Methods 0.000 description 2
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 239000000112 cooling gas Substances 0.000 description 2
- 229910045601 alloy Inorganic materials 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 229910010293 ceramic material Inorganic materials 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005242 forging Methods 0.000 description 1
- 239000003779 heat-resistant material Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 229910052759 nickel Inorganic materials 0.000 description 1
- 229910000601 superalloy Inorganic materials 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
-
- 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
- F01D11/005—Sealing means between non relatively rotating elements
- F01D11/006—Sealing the gap between rotor blades or blades and 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
- 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
- F01D5/06—Rotors for more than one axial stage, e.g. of drum or multiple disc type; Details thereof, e.g. shafts, shaft connections
- F01D5/066—Connecting means for joining rotor-discs or rotor-elements together, e.g. by a central bolt, by clamps
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Turbine Rotor Nozzle Sealing (AREA)
Description
12 段間ノズル段
14 タービン段
16 タービン段
18 段間シーリングアセンブリ
20 ロータディスク
22 複数のブレードまたはバケット
23 バケットプラットフォーム
24 複数のノズルベーン
26 支持リング
28 シーリング部材
30 段間ディスク
31 ボルト連結具、取付け具の設計
32 ダブテール連結具
33 フランジ
34 延長部分
36 軸方向に延びる突出部分
40 内側支持リングバッファ空隙
42 制御可能なギャップ
Claims (8)
- ガスタービン(10)中の2次空気流を低減する装置であって、
第1ロータディスク(20)に取り付けられた複数の第1タービンバケット(22)と、第2ロータディスク(20)に取り付けられた複数の第2タービンバケット(22)との間に配置された段間シーリング部材(28)と、
前記第1ロータディスクおよび前記第2ロータディスクに対して定位置で前記段間シーリング部材(28)に連結され、前記段間シーリング部材(28)を支持する段間ロータディスク(30)と、
を備え、
前記第1ロータディスク(20)および前記第2ロータディスク(20)が、中心軸の周りを回転可能であり、
前記段間シーリング部材(28)が、円周にセグメント化された構造であり、複数のセグメントおよび前記複数のセグメントのそれぞれの間に配置されたシーリング機構を含み、
前記段間シーリング部材(28)が、前記複数の第1タービンバケット(22)および前記複数の第2タービンバケット(22)にシーリング係合して接触するように構成され、
前記段間ロータディスク(30)が、円周ダブテール連結具(32)によって前記段間シーリング部材(28)に連結可能である、
装置。 - 前記段間シーリング部材(28)が、ガス流路の高い温度に耐えることができる高温材料から作られる、請求項1に記載の装置。
- 前記段間シーリング部材(28)に冷却手段が施される、請求項1または2に記載の装置。
- 内側支持リングと、径方向に延びる複数の固定式タービンノズル(24)を含む段間ノズルアセンブリ(12)をさらに備え、前記複数の固定式タービンノズル(24)が、前記第1ロータディスク(20)と前記第2ロータディスク(20)との間に軸方向に配置され、内側支持リング(26)に連結され、前記内側支持リング(26)ならびに前記複数の第1および第2タービンバケット(22)が空気流路を形成する、請求項1乃至3のいずれかに記載の装置。
- 前記段間シーリング部材(28)が、前記段間シーリング部材(28)の各端部から軸方向に延びる少なくとも1つの延長部材(34)を含む、請求項1乃至4のいずれかに記載の装置。
- 前記少なくとも1つの延長部材(34)が、前記シーリング係合を形成するように、前記複数の第1タービンバケット(22)および前記複数の第2タービンバケット(22)それぞれの上で、軸方向に延びる少なくとも1つの突出部分(36)と係合可能である、請求項5に記載の装置。
- 第1の回転可能なロータディスク(20)に取り付けられた複数の第1タービンバケット(22)と、
第2の回転可能なロータディスク(20)に取り付けられた複数の第2タービンバケット(22)と、
前記第1のロータディスク(20)と前記第2のロータディスク(20)との間に軸方向に配置された、径方向に延びる複数の固定式タービンノズル(24)と、
前記第1および第2のロータディスクに対して定位置に取り付けられた回転可能な段間シーリング部材(28)と、
前記第1のロータディスクおよび前記第2のロータディスクに対して定位置で前記段間シーリング部材(28)に連結され、前記段間シーリング部材(28)を支持する段間ロータディスク(30)と、
を備え、
前記段間シーリング部材(28)が、円周にセグメント化された構造であり、複数のセグメントおよび前記複数のセグメントのそれぞれの間に配置されたシーリング機構を含み、
前記回転可能な段間シーリング部材(28)が、前記複数の第1および第2タービンバケット(22)、ならびに前記複数の固定式タービンノズルおよび前記段間シーリング部材(28)のうち少なくとも1つによって画定されたシールされた流路を形成するために、前記複数の第1タービンバケット(22)および前記複数の第2タービンバケット(22)にシーリング係合するように構成され、
前記段間ロータディスク(30)が、円周ダブテール連結具(32)によって前記段間シーリング部材(28)に連結可能である、
ガスタービン(10)システム。 - 前記段間シーリング部材(28)が、ガス流路の高い温度に耐えることができる高温材料から作られるか、前記段間シーリング部材(28)に冷却手段が施されるかのいずれかである、請求項7に記載のシステム。
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US12/353,305 | 2009-01-14 | ||
US12/353,305 US8221062B2 (en) | 2009-01-14 | 2009-01-14 | Device and system for reducing secondary air flow in a gas turbine |
Publications (3)
Publication Number | Publication Date |
---|---|
JP2010164054A JP2010164054A (ja) | 2010-07-29 |
JP2010164054A5 JP2010164054A5 (ja) | 2012-12-27 |
JP5491874B2 true JP5491874B2 (ja) | 2014-05-14 |
Family
ID=41720549
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2010003534A Active JP5491874B2 (ja) | 2009-01-14 | 2010-01-12 | ガスタービン中の2次空気流を低減する装置およびシステム |
Country Status (5)
Country | Link |
---|---|
US (1) | US8221062B2 (ja) |
EP (1) | EP2208860B1 (ja) |
JP (1) | JP5491874B2 (ja) |
CN (1) | CN101845996B (ja) |
HU (1) | HUE051990T2 (ja) |
Families Citing this family (40)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US8376697B2 (en) * | 2008-09-25 | 2013-02-19 | Siemens Energy, Inc. | Gas turbine sealing apparatus |
US8845284B2 (en) * | 2010-07-02 | 2014-09-30 | General Electric Company | Apparatus and system for sealing a turbine rotor |
US9217334B2 (en) | 2011-10-26 | 2015-12-22 | General Electric Company | Turbine cover plate assembly |
US9051845B2 (en) | 2012-01-05 | 2015-06-09 | General Electric Company | System for axial retention of rotating segments of a turbine |
US9080456B2 (en) * | 2012-01-20 | 2015-07-14 | General Electric Company | Near flow path seal with axially flexible arms |
US8864453B2 (en) | 2012-01-20 | 2014-10-21 | General Electric Company | Near flow path seal for a turbomachine |
US20130186103A1 (en) * | 2012-01-20 | 2013-07-25 | General Electric Company | Near flow path seal for a turbomachine |
US11459157B2 (en) | 2012-02-13 | 2022-10-04 | Polytex Fibers Llc | Woven plastic bags with features that reduce leakage, breakage and infestations |
US9540940B2 (en) | 2012-03-12 | 2017-01-10 | General Electric Company | Turbine interstage seal system |
US9151169B2 (en) * | 2012-03-29 | 2015-10-06 | General Electric Company | Near-flow-path seal isolation dovetail |
US20130264779A1 (en) * | 2012-04-10 | 2013-10-10 | General Electric Company | Segmented interstage seal system |
US9169849B2 (en) | 2012-05-08 | 2015-10-27 | United Technologies Corporation | Gas turbine engine compressor stator seal |
US9169737B2 (en) | 2012-11-07 | 2015-10-27 | United Technologies Corporation | Gas turbine engine rotor seal |
EP2935837B1 (en) | 2012-12-19 | 2019-02-06 | United Technologies Corporation | Segmented seal for a gas turbine engine |
US10669938B2 (en) | 2013-02-28 | 2020-06-02 | Raytheon Technologies Corporation | Method and apparatus for selectively collecting pre-diffuser airflow |
US20140290269A1 (en) | 2013-03-08 | 2014-10-02 | United Technologies Corporation | Duct blocker seal assembly for a gas turbine engine |
US9441639B2 (en) * | 2013-05-13 | 2016-09-13 | General Electric Company | Compressor rotor heat shield |
FR3009336B1 (fr) * | 2013-08-05 | 2015-09-04 | Snecma | Ensemble rotatif de turbomachine muni d'une virole labyrinthe cmc |
CN103541776B (zh) * | 2013-10-15 | 2015-12-30 | 北京华清燃气轮机与煤气化联合循环工程技术有限公司 | 一种燃气轮机轮盘间的轴向密封结构 |
US10465519B2 (en) * | 2013-10-17 | 2019-11-05 | Pratt & Whitney Canada Corp. | Fastening system for rotor hubs |
US9404376B2 (en) * | 2013-10-28 | 2016-08-02 | General Electric Company | Sealing component for reducing secondary airflow in a turbine system |
WO2015119687A2 (en) * | 2013-11-11 | 2015-08-13 | United Technologies Corporation | Segmented seal for gas turbine engine |
US9771802B2 (en) * | 2014-02-25 | 2017-09-26 | Siemens Energy, Inc. | Thermal shields for gas turbine rotor |
US11305927B2 (en) | 2014-04-04 | 2022-04-19 | Polytex Fibers Llc | Easy open plastic bags |
US11472622B2 (en) | 2014-04-04 | 2022-10-18 | Polytex Fibers Llc | Woven plastic bags with features that reduce leakage, breakage, and infestations |
WO2015154014A1 (en) | 2014-04-04 | 2015-10-08 | Polytex Fibers Corporation | Woven plastic bags with features the reduce leakage, breakage and infestations |
FR3021692B1 (fr) * | 2014-05-27 | 2016-05-13 | Snecma | Platine d'etancheite a fonction de fusible |
US10648481B2 (en) | 2014-11-17 | 2020-05-12 | United Technologies Corporation | Fiber reinforced spacer for a gas turbine engine |
US10662793B2 (en) | 2014-12-01 | 2020-05-26 | General Electric Company | Turbine wheel cover-plate mounted gas turbine interstage seal |
US20160186592A1 (en) * | 2014-12-31 | 2016-06-30 | General Electric Company | Flowpath boundary and rotor assemblies in gas turbines |
US10337345B2 (en) | 2015-02-20 | 2019-07-02 | General Electric Company | Bucket mounted multi-stage turbine interstage seal and method of assembly |
US20170328203A1 (en) * | 2016-05-10 | 2017-11-16 | General Electric Company | Turbine assembly, turbine inner wall assembly, and turbine assembly method |
US10533445B2 (en) * | 2016-08-23 | 2020-01-14 | United Technologies Corporation | Rim seal for gas turbine engine |
FR3057300B1 (fr) * | 2016-10-07 | 2018-10-05 | Safran Aircraft Engines | Assemblage d'anneau mobile de turbine de turbomachine |
EP3318724A1 (de) * | 2016-11-04 | 2018-05-09 | Siemens Aktiengesellschaft | Dichtsegment eines rotors sowie rotor |
KR102153015B1 (ko) * | 2017-11-21 | 2020-09-07 | 두산중공업 주식회사 | 로터 디스크 결합체 및 이를 포함하는 가스터빈 |
JP7092938B2 (ja) * | 2018-08-02 | 2022-06-28 | シーメンス エナジー グローバル ゲゼルシャフト ミット ベシュレンクテル ハフツング ウント コンパニー コマンディートゲゼルシャフト | 2つのロータディスクの間にロータ組立要素を配置したロータ |
GB2581964A (en) * | 2019-03-04 | 2020-09-09 | Rolls Royce Plc | A turbomachine for a gas turbine engine |
KR102127429B1 (ko) | 2019-06-05 | 2020-06-26 | 두산중공업 주식회사 | 터빈 로터 디스크와 인터스테이지 디스크 사이의 실링 구조 |
IT202000004585A1 (it) * | 2020-03-04 | 2021-09-04 | Nuovo Pignone Tecnologie Srl | Turbina e pala perfezionate per la protezione della radice dai gas caldi del percorso del flusso. |
Family Cites Families (19)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB706730A (en) * | 1951-04-11 | 1954-04-07 | Vickers Electrical Co Ltd | Improvements relating to turbine rotors |
US3551068A (en) * | 1968-10-25 | 1970-12-29 | Westinghouse Electric Corp | Rotor structure for an axial flow machine |
DE2555911A1 (de) * | 1975-12-12 | 1977-06-23 | Motoren Turbinen Union | Rotor fuer stroemungsmaschinen, insbesondere gasturbinenstrahltriebwerke |
US5080556A (en) * | 1990-09-28 | 1992-01-14 | General Electric Company | Thermal seal for a gas turbine spacer disc |
US5236302A (en) * | 1991-10-30 | 1993-08-17 | General Electric Company | Turbine disk interstage seal system |
GB2307520B (en) | 1995-11-14 | 1999-07-07 | Rolls Royce Plc | A gas turbine engine |
DE19940525A1 (de) * | 1999-08-26 | 2001-03-01 | Asea Brown Boveri | Wärmestaueinheit für eine Rotoranordnung |
US6464453B2 (en) | 2000-12-04 | 2002-10-15 | General Electric Company | Turbine interstage sealing ring |
US6769865B2 (en) * | 2002-03-22 | 2004-08-03 | General Electric Company | Band cooled turbine nozzle |
EP1371814A1 (en) | 2002-06-11 | 2003-12-17 | ALSTOM (Switzerland) Ltd | Sealing arrangement for a rotor of a turbomachine |
US7488153B2 (en) | 2002-07-01 | 2009-02-10 | Alstom Technology Ltd. | Steam turbine |
US7252481B2 (en) | 2004-05-14 | 2007-08-07 | Pratt & Whitney Canada Corp. | Natural frequency tuning of gas turbine engine blades |
US7410345B2 (en) | 2005-04-11 | 2008-08-12 | General Electric Company | Turbine nozzle retention key |
US7520718B2 (en) * | 2005-07-18 | 2009-04-21 | Siemens Energy, Inc. | Seal and locking plate for turbine rotor assembly between turbine blade and turbine vane |
CA2619730A1 (en) * | 2005-08-23 | 2007-03-01 | Alstom Technology Ltd | Locking and fixing device for a heat shield element for a rotor unit of a turbomachine |
US8573940B2 (en) | 2006-07-07 | 2013-11-05 | United Technologies Corporation | Interlocking knife edge seals |
EP1898054B1 (de) | 2006-08-25 | 2018-05-30 | Ansaldo Energia IP UK Limited | Gasturbine |
US7870742B2 (en) | 2006-11-10 | 2011-01-18 | General Electric Company | Interstage cooled turbine engine |
ATE472046T1 (de) * | 2007-09-24 | 2010-07-15 | Alstom Technology Ltd | Dichtung in gasturbine |
-
2009
- 2009-01-14 US US12/353,305 patent/US8221062B2/en active Active
-
2010
- 2010-01-12 EP EP10150525.3A patent/EP2208860B1/en active Active
- 2010-01-12 JP JP2010003534A patent/JP5491874B2/ja active Active
- 2010-01-12 HU HUE10150525A patent/HUE051990T2/hu unknown
- 2010-01-14 CN CN201010005139.7A patent/CN101845996B/zh active Active
Also Published As
Publication number | Publication date |
---|---|
EP2208860A3 (en) | 2012-12-05 |
EP2208860B1 (en) | 2020-06-24 |
US20100178160A1 (en) | 2010-07-15 |
CN101845996B (zh) | 2015-04-01 |
JP2010164054A (ja) | 2010-07-29 |
US8221062B2 (en) | 2012-07-17 |
HUE051990T2 (hu) | 2021-04-28 |
CN101845996A (zh) | 2010-09-29 |
EP2208860A2 (en) | 2010-07-21 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
JP5491874B2 (ja) | ガスタービン中の2次空気流を低減する装置およびシステム | |
JP5364609B2 (ja) | タービン・カバープレート・システム | |
CA2662039C (en) | Turbine shroud gas path duct interface | |
JP6448551B2 (ja) | タービンエンジンにおけるアウターリムシールアッセンブリ | |
RU2506431C2 (ru) | Направляющий сопловый аппарат турбины для газотурбинного двигателя, турбина газотурбинного двигателя и газотурбинный двигатель | |
JP6405185B2 (ja) | タービン系の2次空気流を低減するシール部品 | |
US10132197B2 (en) | Shroud assembly and shroud for gas turbine engine | |
EP2564032B1 (en) | Component of a turbine with leaf seals and method for sealing against leakage between a vane and a carrier element | |
US8388310B1 (en) | Turbine disc sealing assembly | |
EP3543471B1 (en) | System for thermally shielding a portion of a gas turbine shroud assembly | |
JP6018367B2 (ja) | タービンシールシステム | |
US9062557B2 (en) | Flow discourager integrated turbine inter-stage U-ring | |
US7588412B2 (en) | Cooled shroud assembly and method of cooling a shroud | |
US20120321437A1 (en) | Turbine seal system | |
CN102282340B (zh) | 具有分段的导向叶片外圈的涡轮机导向叶片*** | |
US9200527B2 (en) | Systems, methods, and apparatus for a turbine interstage rim seal | |
JP2010065698A (ja) | ターボ機械用のシュラウド | |
CA2875408A1 (en) | Seal system for a gas turbine | |
US9617867B2 (en) | Gas turbine | |
CN110017211A (zh) | 具有密封件的涡轮发动机 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
A521 | Request for written amendment filed |
Free format text: JAPANESE INTERMEDIATE CODE: A523 Effective date: 20121113 |
|
A621 | Written request for application examination |
Free format text: JAPANESE INTERMEDIATE CODE: A621 Effective date: 20121113 |
|
A871 | Explanation of circumstances concerning accelerated examination |
Free format text: JAPANESE INTERMEDIATE CODE: A871 Effective date: 20121113 |
|
A975 | Report on accelerated examination |
Free format text: JAPANESE INTERMEDIATE CODE: A971005 Effective date: 20121212 |
|
A131 | Notification of reasons for refusal |
Free format text: JAPANESE INTERMEDIATE CODE: A131 Effective date: 20130205 |
|
A521 | Request for written amendment filed |
Free format text: JAPANESE INTERMEDIATE CODE: A523 Effective date: 20130425 |
|
A131 | Notification of reasons for refusal |
Free format text: JAPANESE INTERMEDIATE CODE: A131 Effective date: 20130730 |
|
A521 | Request for written amendment filed |
Free format text: JAPANESE INTERMEDIATE CODE: A523 Effective date: 20131029 |
|
TRDD | Decision of grant or rejection written | ||
A01 | Written decision to grant a patent or to grant a registration (utility model) |
Free format text: JAPANESE INTERMEDIATE CODE: A01 Effective date: 20140204 |
|
A61 | First payment of annual fees (during grant procedure) |
Free format text: JAPANESE INTERMEDIATE CODE: A61 Effective date: 20140228 |
|
R150 | Certificate of patent or registration of utility model |
Ref document number: 5491874 Country of ref document: JP Free format text: JAPANESE INTERMEDIATE CODE: R150 |
|
R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
S111 | Request for change of ownership or part of ownership |
Free format text: JAPANESE INTERMEDIATE CODE: R313113 |
|
R350 | Written notification of registration of transfer |
Free format text: JAPANESE INTERMEDIATE CODE: R350 |
|
R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |