JP4920590B2 - タービンステータ用の保護装置 - Google Patents
タービンステータ用の保護装置 Download PDFInfo
- Publication number
- JP4920590B2 JP4920590B2 JP2007531666A JP2007531666A JP4920590B2 JP 4920590 B2 JP4920590 B2 JP 4920590B2 JP 2007531666 A JP2007531666 A JP 2007531666A JP 2007531666 A JP2007531666 A JP 2007531666A JP 4920590 B2 JP4920590 B2 JP 4920590B2
- Authority
- JP
- Japan
- Prior art keywords
- turbine
- sector
- rotor
- series
- protection device
- 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
- F01D25/24—Casings; Casing parts, e.g. diaphragms, casing fastenings
-
- 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
- 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
- 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
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Turbine Rotor Nozzle Sealing (AREA)
Description
12 セクタ
13 第1の表面
14 空洞
16 リブ
17 第2の表面
40 偏心距離
Claims (5)
- 結合手段によって互いに拘束された一連の環状セクタ(12)を含み、前記一連のセクタ(12)の各セクタが、その対応するセクタを冷却するための少なくとも1つの空洞(14)を有しかつステータに接触するのに適した第1の表面(13)とタービンのロータに面した第2の表面(17)とを含むタイプのタービンのステータ用の保護装置(10)であって、
前記タービンが作動していない休止状態の形態において、各セクタ(12)の前記第2の表面(17)が、前記タービンの回転軸線のトレースに対して偏心距離(40)を有する横断面を有し、
他方、前記タービンがレジーム条件下で作動している作動状態の形態において、各セクタ(12)の前記第2の表面(17)が、前記タービンの回転軸線のトレースを中心とした横断面を有し、前記一連のセクタ(12)の前記第2の表面(17)が、前記タービンの回転軸線と同軸の円筒状表面を形成する
ことを特徴とする保護装置(10)。 - 前記ロータの半径に対する前記無次元化偏心距離(40)が、0.253〜0.086の範囲にあることを特徴とする、請求項1記載の保護装置(10)。
- 前記ロータの半径によって除算した前記偏心距離(40)が、0.14〜0.20の範囲にある値を有することを特徴とする、請求項2記載の保護装置(10)。
- 前記ロータの半径によって除算した前記偏心距離(40)が、0.17であることを特徴とする、請求項2記載の保護装置(10)。
- 前記一連のセクタ(12)が、前記少なくとも1つの空洞(14)内部に配置された補強リブ(16)を含むことを特徴とする、請求項1から請求項4のいずれか1項記載の保護装置(10)。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
IT001781A ITMI20041781A1 (it) | 2004-09-17 | 2004-09-17 | Dispositivo di protezione per uno statore di una turbina |
ITMI2004A001781 | 2004-09-17 | ||
PCT/EP2005/009887 WO2006029844A1 (en) | 2004-09-17 | 2005-09-13 | Protection device for a turbine stator |
Publications (3)
Publication Number | Publication Date |
---|---|
JP2008513658A JP2008513658A (ja) | 2008-05-01 |
JP2008513658A6 JP2008513658A6 (ja) | 2008-09-25 |
JP4920590B2 true JP4920590B2 (ja) | 2012-04-18 |
Family
ID=35427242
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2007531666A Expired - Fee Related JP4920590B2 (ja) | 2004-09-17 | 2005-09-13 | タービンステータ用の保護装置 |
Country Status (9)
Country | Link |
---|---|
US (1) | US8371807B2 (ja) |
EP (1) | EP1792055B1 (ja) |
JP (1) | JP4920590B2 (ja) |
KR (1) | KR101253786B1 (ja) |
CN (1) | CN100549366C (ja) |
CA (1) | CA2580472C (ja) |
DK (1) | DK1792055T3 (ja) |
IT (1) | ITMI20041781A1 (ja) |
WO (1) | WO2006029844A1 (ja) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
ITMI20041781A1 (it) | 2004-09-17 | 2004-12-17 | Nuovo Pignone Spa | Dispositivo di protezione per uno statore di una turbina |
EP2746538B1 (fr) * | 2012-12-24 | 2016-05-18 | Techspace Aero S.A. | Plaquette de retenue d'aube de redresseur de turbomachine avec découpes internes |
EP3118419A1 (en) | 2015-07-15 | 2017-01-18 | Siemens Aktiengesellschaft | Non-concentrically shaped ring segment |
JP2023042786A (ja) * | 2021-09-15 | 2023-03-28 | 東芝エネルギーシステムズ株式会社 | タービン段落シール機構およびタービン段落シール機構の製造方法 |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS62195402A (ja) * | 1986-01-10 | 1987-08-28 | ゼネラル・エレクトリツク・カンパニイ | タ−ビンロ−タ翼の先端間隙を制御するシユラウド装置 |
JP2002349210A (ja) * | 2001-03-23 | 2002-12-04 | Siemens Ag | タービン |
Family Cites Families (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3860358A (en) * | 1974-04-18 | 1975-01-14 | United Aircraft Corp | Turbine blade tip seal |
US4551064A (en) * | 1982-03-05 | 1985-11-05 | Rolls-Royce Limited | Turbine shroud and turbine shroud assembly |
HU189210B (en) * | 1982-12-28 | 1986-06-30 | Richter Gedeon Vegyeszeti Gyar Rt,Hu | Process for the production of new carbamates of antilipaemic effect, as well as therapeutic preparations containing them |
FR2597921A1 (fr) | 1986-04-24 | 1987-10-30 | Snecma | Anneau de turbine sectorise |
US5212940A (en) | 1991-04-16 | 1993-05-25 | General Electric Company | Tip clearance control apparatus and method |
US5380150A (en) * | 1993-11-08 | 1995-01-10 | United Technologies Corporation | Turbine shroud segment |
DE19915049A1 (de) * | 1999-04-01 | 2000-10-05 | Abb Alstom Power Ch Ag | Hitzeschild für eine Gasturbine |
US6340285B1 (en) | 2000-06-08 | 2002-01-22 | General Electric Company | End rail cooling for combined high and low pressure turbine shroud |
JP4698847B2 (ja) * | 2001-01-19 | 2011-06-08 | 三菱重工業株式会社 | ガスタービン分割環 |
US6409471B1 (en) | 2001-02-16 | 2002-06-25 | General Electric Company | Shroud assembly and method of machining same |
US6691019B2 (en) | 2001-12-21 | 2004-02-10 | General Electric Company | Method and system for controlling distortion of turbine case due to thermal variations |
ITMI20041780A1 (it) * | 2004-09-17 | 2004-12-17 | Nuovo Pignone Spa | Dispositivo di protezione per uno statore di una turbina |
ITMI20041781A1 (it) | 2004-09-17 | 2004-12-17 | Nuovo Pignone Spa | Dispositivo di protezione per uno statore di una turbina |
-
2004
- 2004-09-17 IT IT001781A patent/ITMI20041781A1/it unknown
-
2005
- 2005-09-13 WO PCT/EP2005/009887 patent/WO2006029844A1/en active Application Filing
- 2005-09-13 DK DK05784000.1T patent/DK1792055T3/en active
- 2005-09-13 CN CNB2005800311438A patent/CN100549366C/zh not_active Expired - Fee Related
- 2005-09-13 CA CA2580472A patent/CA2580472C/en not_active Expired - Fee Related
- 2005-09-13 JP JP2007531666A patent/JP4920590B2/ja not_active Expired - Fee Related
- 2005-09-13 EP EP05784000.1A patent/EP1792055B1/en not_active Not-in-force
- 2005-09-13 US US11/575,423 patent/US8371807B2/en active Active
- 2005-09-13 KR KR1020077008603A patent/KR101253786B1/ko active IP Right Grant
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS62195402A (ja) * | 1986-01-10 | 1987-08-28 | ゼネラル・エレクトリツク・カンパニイ | タ−ビンロ−タ翼の先端間隙を制御するシユラウド装置 |
JP2002349210A (ja) * | 2001-03-23 | 2002-12-04 | Siemens Ag | タービン |
Also Published As
Publication number | Publication date |
---|---|
CA2580472C (en) | 2013-03-12 |
KR20070053348A (ko) | 2007-05-23 |
CA2580472A1 (en) | 2006-03-23 |
CN101023245A (zh) | 2007-08-22 |
EP1792055B1 (en) | 2017-03-15 |
DK1792055T3 (en) | 2017-05-01 |
ITMI20041781A1 (it) | 2004-12-17 |
JP2008513658A (ja) | 2008-05-01 |
KR101253786B1 (ko) | 2013-04-12 |
US20090180863A1 (en) | 2009-07-16 |
WO2006029844A1 (en) | 2006-03-23 |
US8371807B2 (en) | 2013-02-12 |
CN100549366C (zh) | 2009-10-14 |
EP1792055A1 (en) | 2007-06-06 |
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