EP2302174A3 - Gasturbine mit Deckband-Labyrinthdichtung - Google Patents
Gasturbine mit Deckband-Labyrinthdichtung Download PDFInfo
- Publication number
- EP2302174A3 EP2302174A3 EP10007636.3A EP10007636A EP2302174A3 EP 2302174 A3 EP2302174 A3 EP 2302174A3 EP 10007636 A EP10007636 A EP 10007636A EP 2302174 A3 EP2302174 A3 EP 2302174A3
- Authority
- EP
- European Patent Office
- Prior art keywords
- labyrinth seal
- shroud
- gas turbine
- turbine shroud
- housing
- 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.)
- Withdrawn
Links
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
- F01D11/08—Preventing or minimising internal leakage of working-fluid, e.g. between stages for sealing space between rotor blade tips and stator
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Turbine Rotor Nozzle Sealing (AREA)
- Sealing Using Fluids, Sealing Without Contact, And Removal Of Oil (AREA)
Abstract
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102009042857A DE102009042857A1 (de) | 2009-09-24 | 2009-09-24 | Gasturbine mit Deckband-Labyrinthdichtung |
Publications (2)
Publication Number | Publication Date |
---|---|
EP2302174A2 EP2302174A2 (de) | 2011-03-30 |
EP2302174A3 true EP2302174A3 (de) | 2014-01-22 |
Family
ID=42537784
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP10007636.3A Withdrawn EP2302174A3 (de) | 2009-09-24 | 2010-07-22 | Gasturbine mit Deckband-Labyrinthdichtung |
Country Status (3)
Country | Link |
---|---|
US (1) | US20110070074A1 (de) |
EP (1) | EP2302174A3 (de) |
DE (1) | DE102009042857A1 (de) |
Families Citing this family (20)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP5484990B2 (ja) * | 2010-03-30 | 2014-05-07 | 三菱重工業株式会社 | タービン |
US20120195742A1 (en) * | 2011-01-28 | 2012-08-02 | Jain Sanjeev Kumar | Turbine bucket for use in gas turbine engines and methods for fabricating the same |
US8807927B2 (en) * | 2011-09-29 | 2014-08-19 | General Electric Company | Clearance flow control assembly having rail member |
US9109455B2 (en) | 2012-01-20 | 2015-08-18 | General Electric Company | Turbomachine blade tip shroud |
US9291061B2 (en) * | 2012-04-13 | 2016-03-22 | General Electric Company | Turbomachine blade tip shroud with parallel casing configuration |
US8623708B1 (en) * | 2012-07-05 | 2014-01-07 | Stats Chippac Ltd. | Integrated circuit packaging system with grid-array mechanism and method of manufacture thereof |
US9416671B2 (en) | 2012-10-04 | 2016-08-16 | General Electric Company | Bimetallic turbine shroud and method of fabricating |
US10301967B2 (en) * | 2013-10-21 | 2019-05-28 | United Technologies Corporation | Incident tolerant turbine vane gap flow discouragement |
JP6510915B2 (ja) * | 2015-07-03 | 2019-05-08 | 株式会社神戸製鋼所 | ラビリンスシール |
WO2017072844A1 (ja) * | 2015-10-27 | 2017-05-04 | 三菱重工業株式会社 | 回転機械 |
FR3055353B1 (fr) * | 2016-08-25 | 2018-09-21 | Safran Aircraft Engines | Ensemble formant joint d'etancheite a labyrinthe pour une turbomachine comportant un abradable et des lechettes inclines |
JP6706585B2 (ja) * | 2017-02-23 | 2020-06-10 | 三菱重工業株式会社 | 軸流回転機械 |
JP6917162B2 (ja) * | 2017-02-28 | 2021-08-11 | 三菱パワー株式会社 | 動翼、ロータユニット、及び、回転機械 |
FR3065483B1 (fr) * | 2017-04-24 | 2020-08-07 | Safran Aircraft Engines | Dispositif d'etancheite entre rotor et stator de turbomachine |
CN110662885B (zh) * | 2017-06-12 | 2022-04-01 | 三菱动力株式会社 | 轴流旋转机械 |
US20190072185A1 (en) | 2017-09-07 | 2019-03-07 | Kabushiki Kaisha Kobe Seiko Sho (Kobe Steel, Ltd.) | Labyrinth seal and labyrinth seal structure |
US10533610B1 (en) * | 2018-05-01 | 2020-01-14 | Florida Turbine Technologies, Inc. | Gas turbine engine fan stage with bearing cooling |
US11293295B2 (en) | 2019-09-13 | 2022-04-05 | Pratt & Whitney Canada Corp. | Labyrinth seal with angled fins |
EP3822461A1 (de) * | 2019-11-15 | 2021-05-19 | MTU Aero Engines AG | Axialturbomaschinendichtungssystem |
CN113685234B (zh) * | 2021-08-31 | 2022-08-09 | 北京航空航天大学 | 一种基于对冲原理的篦齿封严装置 |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB767656A (en) * | 1953-11-12 | 1957-02-06 | Rolls Royce | Improvements in or relating to axial-flow fluid machines such as turbines and compressors |
DE69731828T2 (de) * | 1996-05-06 | 2005-12-01 | Turbo Parts, L.L.C. | Verfahren und gerät zur minimierung von undichtigkeiten in turbinendichtungen |
DE102007044727A1 (de) * | 2006-09-22 | 2008-04-03 | General Electric Co. | Verfahren und Geräte für die Herstellung von Turbinenantrieben |
Family Cites Families (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2413655C3 (de) * | 1974-03-21 | 1978-05-03 | Maschinenfabrik Augsburg-Nuernberg Ag, 8500 Nuernberg | Einrichtung zum dynamischen Stabilisieren des Läufers einer Gas- oder Dampfturbine |
US4370094A (en) * | 1974-03-21 | 1983-01-25 | Maschinenfabrik Augsburg-Nurnberg Aktiengesellschaft | Method of and device for avoiding rotor instability to enhance dynamic power limit of turbines and compressors |
CH666326A5 (en) * | 1984-09-19 | 1988-07-15 | Bbc Brown Boveri & Cie | Turbine rotor blades with shroud plates at outer ends - have adjacent plates connected via damping circumferential wire through bores in plates |
DE59710621D1 (de) * | 1997-09-19 | 2003-09-25 | Alstom Switzerland Ltd | Vorrichtung zur Spaltdichtung |
EP1515000B1 (de) * | 2003-09-09 | 2016-03-09 | Alstom Technology Ltd | Beschaufelung einer Turbomaschine mit konturierten Deckbändern |
US6926495B2 (en) * | 2003-09-12 | 2005-08-09 | Siemens Westinghouse Power Corporation | Turbine blade tip clearance control device |
WO2005061854A1 (en) * | 2003-12-17 | 2005-07-07 | Watson Cogeneration Company | Gas turbine tip shroud rails |
EP1557536A1 (de) * | 2004-01-22 | 2005-07-27 | Siemens Aktiengesellschaft | Strömungsmaschine mit einem axial verschiebbaren Rotor |
EP1905949A1 (de) * | 2006-09-20 | 2008-04-02 | Siemens Aktiengesellschaft | Kühlung eines Dampfturbinenbauteils |
JP2008169705A (ja) * | 2007-01-09 | 2008-07-24 | Toshiba Corp | 蒸気タービン |
US8167547B2 (en) * | 2007-03-05 | 2012-05-01 | United Technologies Corporation | Gas turbine engine with canted pocket and canted knife edge seal |
JP4668976B2 (ja) * | 2007-12-04 | 2011-04-13 | 株式会社日立製作所 | 蒸気タービンのシール構造 |
-
2009
- 2009-09-24 DE DE102009042857A patent/DE102009042857A1/de not_active Withdrawn
-
2010
- 2010-07-22 EP EP10007636.3A patent/EP2302174A3/de not_active Withdrawn
- 2010-09-14 US US12/881,655 patent/US20110070074A1/en not_active Abandoned
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB767656A (en) * | 1953-11-12 | 1957-02-06 | Rolls Royce | Improvements in or relating to axial-flow fluid machines such as turbines and compressors |
DE69731828T2 (de) * | 1996-05-06 | 2005-12-01 | Turbo Parts, L.L.C. | Verfahren und gerät zur minimierung von undichtigkeiten in turbinendichtungen |
DE102007044727A1 (de) * | 2006-09-22 | 2008-04-03 | General Electric Co. | Verfahren und Geräte für die Herstellung von Turbinenantrieben |
Also Published As
Publication number | Publication date |
---|---|
US20110070074A1 (en) | 2011-03-24 |
DE102009042857A1 (de) | 2011-03-31 |
EP2302174A2 (de) | 2011-03-30 |
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Legal Events
Date | Code | Title | Description |
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PUAI | Public reference made under article 153(3) epc to a published international application that has entered the european phase |
Free format text: ORIGINAL CODE: 0009012 |
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AK | Designated contracting states |
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AX | Request for extension of the european patent |
Extension state: BA ME RS |
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PUAL | Search report despatched |
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AK | Designated contracting states |
Kind code of ref document: A3 Designated state(s): AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO SE SI SK SM TR |
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AX | Request for extension of the european patent |
Extension state: BA ME RS |
|
RIC1 | Information provided on ipc code assigned before grant |
Ipc: F01D 11/08 20060101AFI20131216BHEP |
|
STAA | Information on the status of an ep patent application or granted ep patent |
Free format text: STATUS: THE APPLICATION IS DEEMED TO BE WITHDRAWN |
|
18D | Application deemed to be withdrawn |
Effective date: 20140723 |