KR100577546B1 - 터빈에서의 버킷과 고정 슈라우드 사이의 시일 - Google Patents
터빈에서의 버킷과 고정 슈라우드 사이의 시일 Download PDFInfo
- Publication number
- KR100577546B1 KR100577546B1 KR1020027010295A KR20027010295A KR100577546B1 KR 100577546 B1 KR100577546 B1 KR 100577546B1 KR 1020027010295 A KR1020027010295 A KR 1020027010295A KR 20027010295 A KR20027010295 A KR 20027010295A KR 100577546 B1 KR100577546 B1 KR 100577546B1
- Authority
- KR
- South Korea
- Prior art keywords
- bucket
- cover
- turbine
- delete delete
- seal
- Prior art date
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Classifications
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- 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
- F01D11/12—Preventing or minimising internal leakage of working-fluid, e.g. between stages for sealing space between rotor blade tips and stator using a rubstrip, e.g. erodible. deformable or resiliently-biased part
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- 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
- F01D5/12—Blades
- F01D5/22—Blade-to-blade connections, e.g. for damping vibrations
- F01D5/225—Blade-to-blade connections, e.g. for damping vibrations by shrouding
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16J—PISTONS; CYLINDERS; SEALINGS
- F16J15/00—Sealings
- F16J15/16—Sealings between relatively-moving surfaces
- F16J15/32—Sealings between relatively-moving surfaces with elastic sealings, e.g. O-rings
- F16J15/3284—Sealings between relatively-moving surfaces with elastic sealings, e.g. O-rings characterised by their structure; Selection of materials
- F16J15/3288—Filamentary structures, e.g. brush seals
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16J—PISTONS; CYLINDERS; SEALINGS
- F16J15/00—Sealings
- F16J15/44—Free-space packings
- F16J15/441—Free-space packings with floating ring
- F16J15/442—Free-space packings with floating ring segmented
-
- 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
- F05D2240/55—Seals
- F05D2240/56—Brush seals
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Turbine Rotor Nozzle Sealing (AREA)
- Sealing Devices (AREA)
- Brushes (AREA)
- Polishing Bodies And Polishing Tools (AREA)
- Massaging Devices (AREA)
Abstract
Description
Claims (21)
- 다수의 회전 가능한 버킷(10)과, 상기 회전 가능한 버킷을 둘러싸는 고정 슈라우드(14)와, 터빈을 통하는 유체 매체 유로를 갖는 터빈에서의 상기 버킷과 상기 고정 슈라우드 사이의 시일(seal)에 있어서,소정의 원주 방향으로 상기 터빈의 축을 중심으로 상기 버킷과 함께 회전하도록 상기 버킷의 반경방향 외측 단부에 의해 지지되며 상기 버킷의 회전 방향으로 선단부(46) 및 후단부(44)를 갖는 다수의 아치형 커버(12)와,상기 슈라우드로부터 돌출하며 상기 커버의 반경방향 외측 표면과 밀봉 결합하는 다수의 강모(22)를 포함하는 브러시 시일(18)과,인접하는 선단부 및 후단부가 서로 밀봉 결합하여, 상기 버킷과 커버가 상기 브러시 시일에 대하여 회전할 때, 유체 매체가 상기 강모상으로 반경방향으로 유출하는 것을 억제하는, 원주방향으로 인접한 커버 사이의 조인트(41, 74)를 포함하고,상기 조인트가 겹침 조인트(lap joint)(41) 또는 홈 조인트(tongue-and-groove joint)(74)로 이루어져 있는터빈에서의 버킷과 고정 슈라우드 사이의 시일.
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- 제 1 항에 있어서,상기 버킷의 각각은 별개의 커버(60)를 구비하며, 상기 버킷과 상기 커버는 일체로 주조되는터빈에서의 버킷과 고정 슈라우드 사이의 시일.
- 삭제
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- 제 1 항에 있어서,상기 커버는 원주방향으로 연장되는 별개의 밴드(80)를 형성하며, 상기 밴드는 적어도 2개의 인접한 버킷에 연결되는터빈에서의 버킷과 고정 슈라우드 사이의 시일.
- 삭제
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- 제 1 항에 있어서,상기 인접하는 에지는 서로 축방향 및 원주방향으로 이격되어 있고 선형이며 축방향으로 연장되는 단부 가장자리(margin)(53, 55)와 상기 단부 가장자리의 중간에서 상기 단부 가장자리를 서로 연결하는 경사진 가장자리(52)를 가지며, 상기 브러시 시일 강모는 상기 중간의 경사진 가장자리의 축방향 위치에 상응하는 축방향 위치에서 상기 커버 표면과 결합하는터빈에서의 버킷과 고정 슈라우드 사이의 시일.
- 제 1 항에 있어서,상기 조인트는 상기 커버 위에 놓이고 상기 인접한 커버 사이에 걸치는 외부 커버(84)를 구비하며, 상기 외부 커버는 상기 인접한 커버 사이의 임의의 간극을 밀봉하는터빈에서의 버킷과 고정 슈라우드 사이의 시일.
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Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US09/733,293 | 2000-12-11 | ||
US09/733,293 US6439844B1 (en) | 2000-12-11 | 2000-12-11 | Turbine bucket cover and brush seal |
Publications (2)
Publication Number | Publication Date |
---|---|
KR20020074518A KR20020074518A (ko) | 2002-09-30 |
KR100577546B1 true KR100577546B1 (ko) | 2006-05-10 |
Family
ID=24947016
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1020027010295A KR100577546B1 (ko) | 2000-12-11 | 2001-11-26 | 터빈에서의 버킷과 고정 슈라우드 사이의 시일 |
Country Status (7)
Country | Link |
---|---|
US (1) | US6439844B1 (ko) |
EP (1) | EP1343951B1 (ko) |
JP (1) | JP2004515698A (ko) |
KR (1) | KR100577546B1 (ko) |
AT (1) | ATE329138T1 (ko) |
DE (1) | DE60120473D1 (ko) |
WO (1) | WO2002048508A2 (ko) |
Families Citing this family (43)
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DE10244038A1 (de) * | 2002-09-21 | 2004-04-01 | Mtu Aero Engines Gmbh | Einlaufbelag für Axialverdichter von Gasturbinen, insbesondere von Gasturbinentriebwerken |
US6910854B2 (en) * | 2002-10-08 | 2005-06-28 | United Technologies Corporation | Leak resistant vane cluster |
US6893224B2 (en) | 2002-12-11 | 2005-05-17 | General Electric Company | Methods and apparatus for assembling turbine engines |
US6761537B1 (en) | 2002-12-19 | 2004-07-13 | General Electric Company | Methods and apparatus for assembling turbine engines |
US6877956B2 (en) | 2002-12-23 | 2005-04-12 | General Electric Company | Methods and apparatus for integral radial leakage seal |
GB0319002D0 (en) * | 2003-05-13 | 2003-09-17 | Alstom Switzerland Ltd | Improvements in or relating to steam turbines |
US6821086B1 (en) | 2003-06-03 | 2004-11-23 | General Electric Company | Turbomachine seal assembly and method therefor |
EP1510654A1 (de) * | 2003-08-25 | 2005-03-02 | Siemens Aktiengesellschaft | Einstückige Turbinenbeschaufelungseinheit und Verfahren zur Herstellung einer einstückigen Turbinenbeschaufelungseinheit |
US6896482B2 (en) * | 2003-09-03 | 2005-05-24 | General Electric Company | Expanding sealing strips for steam turbines |
US7435049B2 (en) * | 2004-03-30 | 2008-10-14 | General Electric Company | Sealing device and method for turbomachinery |
GB2412702B (en) * | 2004-03-31 | 2006-05-03 | Rolls Royce Plc | Seal assembly |
US7549841B1 (en) | 2005-09-03 | 2009-06-23 | Florida Turbine Technologies, Inc. | Pressure balanced centrifugal tip seal |
US7648143B2 (en) * | 2005-10-18 | 2010-01-19 | United Technologies Corporation | Tandem dual element intershaft carbon seal |
US20070114727A1 (en) * | 2005-11-21 | 2007-05-24 | General Electric Company | Seal member, assembly and method |
EP1873355A1 (en) * | 2006-06-27 | 2008-01-02 | Siemens Aktiengesellschaft | Turbine rotor blade |
NO325031B1 (no) * | 2006-07-04 | 2008-01-21 | Ge Energy Norway As | Vannturbin |
US7703774B2 (en) * | 2006-09-12 | 2010-04-27 | General Electric Company | Shaft seal using shingle members |
US20080107525A1 (en) * | 2006-11-02 | 2008-05-08 | General Electric Company | Shaft seal formed of tapered compliant plate members |
FR2914350B1 (fr) * | 2007-03-30 | 2011-06-24 | Snecma | Enveloppe externe etanche pour une roue de turbine de turbomachine |
EP2236759A1 (de) * | 2009-03-27 | 2010-10-06 | Siemens Aktiengesellschaft | Laufschaufelsystem |
DE102009029587A1 (de) * | 2009-09-18 | 2011-03-24 | Man Diesel & Turbo Se | Rotor einer Turbomaschine |
EP2336572B1 (fr) * | 2009-12-14 | 2012-07-25 | Techspace Aero S.A. | Virole en deux parties pour étage à aubes d'un compresseur axial |
US8328198B2 (en) * | 2010-10-06 | 2012-12-11 | General Electric Company | Brush seal |
US20120244002A1 (en) * | 2011-03-25 | 2012-09-27 | Hari Krishna Meka | Turbine bucket assembly and methods for assembling same |
US8888459B2 (en) * | 2011-08-23 | 2014-11-18 | General Electric Company | Coupled blade platforms and methods of sealing |
US9079245B2 (en) | 2011-08-31 | 2015-07-14 | Pratt & Whitney Canada Corp. | Turbine shroud segment with inter-segment overlap |
EP2666969B1 (en) * | 2012-05-21 | 2017-04-19 | General Electric Technology GmbH | Turbine diaphragm construction |
US9097129B2 (en) | 2012-05-31 | 2015-08-04 | United Technologies Corporation | Segmented seal with ship lap ends |
US8936431B2 (en) | 2012-06-08 | 2015-01-20 | General Electric Company | Shroud for a rotary machine and methods of assembling same |
US9309776B2 (en) * | 2012-09-11 | 2016-04-12 | General Electric Company | Replaceable seals for turbine engine components and methods for installing the same |
CN103143656B (zh) * | 2013-02-04 | 2015-07-01 | 沈阳黎明航空零部件制造有限公司 | 一种排丝机和用该排丝机制作刷式密封装置的方法 |
US10107122B2 (en) * | 2013-02-10 | 2018-10-23 | United Technologies Corporation | Variable vane overlap shroud |
DE102013219024A1 (de) * | 2013-09-23 | 2015-04-09 | MTU Aero Engines AG | Bauteilsystem einer Turbomaschine |
US9556746B2 (en) | 2013-10-08 | 2017-01-31 | Pratt & Whitney Canada Corp. | Integrated strut and turbine vane nozzle arrangement |
US9963991B2 (en) * | 2014-10-01 | 2018-05-08 | United Technologies Corporation | Brush seal plate |
KR101847642B1 (ko) * | 2015-06-05 | 2018-04-10 | 두산중공업 주식회사 | 팁 브러시 실 설치를 위한 버킷 팁 커버 밴드 |
KR101695107B1 (ko) | 2015-12-14 | 2017-01-10 | 두산중공업 주식회사 | 터빈의 실링 구조 |
US20180230839A1 (en) * | 2017-02-14 | 2018-08-16 | General Electric Company | Turbine engine shroud assembly |
US20190284947A1 (en) | 2018-03-14 | 2019-09-19 | General Electric Company | Cmc shroud segment with interlocking mechanical joints and fabrication |
US10738628B2 (en) | 2018-05-25 | 2020-08-11 | General Electric Company | Joint for band features on turbine nozzle and fabrication |
DE102018210600A1 (de) * | 2018-06-28 | 2020-01-02 | MTU Aero Engines AG | Mantelringanordnung für eine strömungsmaschine |
US11359505B2 (en) * | 2019-05-04 | 2022-06-14 | Raytheon Technologies Corporation | Nesting CMC components |
US11674404B2 (en) * | 2021-05-04 | 2023-06-13 | Raytheon Technologies Corporation | Seal assembly with seal arc segment |
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US2220918A (en) * | 1938-08-27 | 1940-11-12 | Gen Electric | Elastic fluid turbine bucket wheel |
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US6036437A (en) * | 1998-04-03 | 2000-03-14 | General Electric Co. | Bucket cover geometry for brush seal applications |
-
2000
- 2000-12-11 US US09/733,293 patent/US6439844B1/en not_active Expired - Lifetime
-
2001
- 2001-11-26 KR KR1020027010295A patent/KR100577546B1/ko active IP Right Grant
- 2001-11-26 WO PCT/US2001/044211 patent/WO2002048508A2/en active IP Right Grant
- 2001-11-26 JP JP2002550204A patent/JP2004515698A/ja active Pending
- 2001-11-26 DE DE60120473T patent/DE60120473D1/de not_active Expired - Lifetime
- 2001-11-26 AT AT01270683T patent/ATE329138T1/de not_active IP Right Cessation
- 2001-11-26 EP EP01270683A patent/EP1343951B1/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
US20020071764A1 (en) | 2002-06-13 |
EP1343951B1 (en) | 2006-06-07 |
KR20020074518A (ko) | 2002-09-30 |
US6439844B1 (en) | 2002-08-27 |
JP2004515698A (ja) | 2004-05-27 |
DE60120473D1 (de) | 2006-07-20 |
WO2002048508A3 (en) | 2002-09-06 |
WO2002048508A2 (en) | 2002-06-20 |
ATE329138T1 (de) | 2006-06-15 |
EP1343951A2 (en) | 2003-09-17 |
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