CH707543A2 - Turbomaschine mit wirbelhemmender Dichtung. - Google Patents
Turbomaschine mit wirbelhemmender Dichtung. Download PDFInfo
- Publication number
- CH707543A2 CH707543A2 CH00028/14A CH282014A CH707543A2 CH 707543 A2 CH707543 A2 CH 707543A2 CH 00028/14 A CH00028/14 A CH 00028/14A CH 282014 A CH282014 A CH 282014A CH 707543 A2 CH707543 A2 CH 707543A2
- Authority
- CH
- Switzerland
- Prior art keywords
- turbomachine
- axially
- impeller
- extending
- intermediate wall
- Prior art date
Links
- 239000012530 fluid Substances 0.000 claims abstract description 41
- 238000007789 sealing Methods 0.000 claims description 23
- 230000013011 mating Effects 0.000 claims description 3
- 230000002401 inhibitory effect Effects 0.000 abstract description 7
- 238000013459 approach Methods 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 3
- 230000002411 adverse Effects 0.000 description 2
- 239000011248 coating agent Substances 0.000 description 2
- 238000000576 coating method Methods 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000003112 inhibitor Substances 0.000 description 2
- 230000000670 limiting effect Effects 0.000 description 2
- 230000002829 reductive effect Effects 0.000 description 2
- 230000002441 reversible effect Effects 0.000 description 2
- 241000879887 Cyrtopleura costata Species 0.000 description 1
- 239000003082 abrasive agent Substances 0.000 description 1
- 230000000368 destabilizing effect Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000011144 upstream manufacturing Methods 0.000 description 1
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
- F01D11/02—Preventing or minimising internal leakage of working-fluid, e.g. between stages by non-contact sealings, e.g. of labyrinth type
- F01D11/04—Preventing or minimising internal leakage of working-fluid, e.g. between stages by non-contact sealings, e.g. of labyrinth type using sealing fluid, e.g. steam
-
- 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
- F01D11/08—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
- 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
-
- 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
- F05D2240/80—Platforms for stationary or moving blades
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)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US13/745,890 US9394800B2 (en) | 2013-01-21 | 2013-01-21 | Turbomachine having swirl-inhibiting seal |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CH707543A2 true CH707543A2 (de) | 2014-07-31 |
Family
ID=51064554
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CH00028/14A CH707543A2 (de) | 2013-01-21 | 2014-01-13 | Turbomaschine mit wirbelhemmender Dichtung. |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US9394800B2 (enExample) |
| JP (1) | JP6216643B2 (enExample) |
| CN (1) | CN103939151B (enExample) |
| CH (1) | CH707543A2 (enExample) |
| DE (1) | DE102014100241A1 (enExample) |
Families Citing this family (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP5591042B2 (ja) * | 2010-09-17 | 2014-09-17 | 三菱重工業株式会社 | タービン |
| IT1403222B1 (it) * | 2010-12-30 | 2013-10-17 | Nuovo Pignone Spa | Sistemi e metodi per rastremazione del rompi-vortice |
| ES2716576T3 (es) * | 2012-06-27 | 2019-06-13 | Flowserve Man Co | Bomba o compresor con dispositivo antirremolino y método asociado |
| US9394800B2 (en) * | 2013-01-21 | 2016-07-19 | General Electric Company | Turbomachine having swirl-inhibiting seal |
| JP2016180349A (ja) * | 2015-03-24 | 2016-10-13 | 三菱重工業株式会社 | 回転機械 |
| US10208762B2 (en) | 2016-10-10 | 2019-02-19 | Solar Turbines Incorporated | Swirl brakes for compressors with teeth-on-rotor seals |
| DE102016222608A1 (de) | 2016-11-17 | 2018-05-17 | MTU Aero Engines AG | Dichtungsanordnung für eine Leitschaufelanordnung einer Gasturbine |
| US10822977B2 (en) * | 2016-11-30 | 2020-11-03 | General Electric Company | Guide vane assembly for a rotary machine and methods of assembling the same |
| BE1025283B1 (fr) | 2017-06-02 | 2019-01-11 | Safran Aero Boosters S.A. | Systeme d'etancheite pour compresseur de turbomachine |
| JP6783257B2 (ja) * | 2018-01-31 | 2020-11-11 | 三菱重工業株式会社 | 軸流回転機械 |
| FR3081499B1 (fr) * | 2018-05-23 | 2021-05-28 | Safran Aircraft Engines | Secteur angulaire d'aubage de turbomachine a etancheite perfectionnee |
| FR3091725B1 (fr) | 2019-01-14 | 2022-07-15 | Safran Aircraft Engines | Ensemble pour une turbomachine |
| CN112696236B (zh) * | 2020-11-10 | 2025-01-10 | 苏州西热节能环保技术有限公司 | 一种基于周向相对速度的密封结构 |
| US11867064B1 (en) * | 2022-09-26 | 2024-01-09 | Pratt & Whitney Canada Corp. | Seal assembly for aircraft engine |
| EP4649227A1 (de) * | 2023-03-13 | 2025-11-19 | Siemens Energy Global GmbH & Co. KG | Dichtungssegment für eine strömungsmaschine |
Family Cites Families (24)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2291828A (en) * | 1940-05-04 | 1942-08-04 | Westinghouse Electric & Mfg Co | Turbine blading |
| JPS501646B1 (enExample) * | 1970-07-11 | 1975-01-20 | ||
| IT1063035B (it) * | 1975-05-09 | 1985-02-11 | Maschf Augsburg Nuernberg Ag | Apparato per la realizzazione del procedimento per elevare il limite dinamico di potenza di turbine a vapore od a gas o di compressori |
| GB1484289A (en) * | 1975-09-26 | 1977-09-01 | English Electric Co Ltd | Steam turbines |
| JPS6123804A (ja) * | 1984-07-10 | 1986-02-01 | Hitachi Ltd | タ−ビン段落構造 |
| GB2251040B (en) * | 1990-12-22 | 1994-06-22 | Rolls Royce Plc | Seal arrangement |
| US5190440A (en) * | 1991-03-11 | 1993-03-02 | Dresser-Rand Company | Swirl control labyrinth seal |
| US5161943A (en) * | 1991-03-11 | 1992-11-10 | Dresser-Rand Company, A General Partnership | Swirl control labyrinth seal |
| US5224713A (en) * | 1991-08-28 | 1993-07-06 | General Electric Company | Labyrinth seal with recirculating means for reducing or eliminating parasitic leakage through the seal |
| US5547340A (en) * | 1994-03-23 | 1996-08-20 | Imo Industries, Inc. | Spillstrip design for elastic fluid turbines |
| US7032903B1 (en) * | 1999-04-06 | 2006-04-25 | Turbocare, Inc. | Brush-seal designs for turbines and similar rotary apparatus |
| JP2003214113A (ja) * | 2002-01-28 | 2003-07-30 | Toshiba Corp | 地熱タービン |
| US6761529B2 (en) * | 2002-07-25 | 2004-07-13 | Mitshubishi Heavy Industries, Ltd. | Cooling structure of stationary blade, and gas turbine |
| US7004475B2 (en) | 2003-09-26 | 2006-02-28 | Siemens Westinghouse Power Corporation | Flow dam design for labyrinth seals to promote rotor stability |
| JP2006138259A (ja) * | 2004-11-12 | 2006-06-01 | Mitsubishi Heavy Ind Ltd | 軸流タービン |
| US7296964B2 (en) * | 2005-09-27 | 2007-11-20 | General Electric Company | Apparatus and methods for minimizing solid particle erosion in steam turbines |
| JP2008057416A (ja) * | 2006-08-31 | 2008-03-13 | Hitachi Ltd | 軸流タービン |
| US7967559B2 (en) * | 2007-05-30 | 2011-06-28 | General Electric Company | Stator-rotor assembly having surface feature for enhanced containment of gas flow and related processes |
| JP2011163421A (ja) * | 2010-02-09 | 2011-08-25 | Hitachi Ltd | ターボ機械用ラビリンスシール装置 |
| US20130004290A1 (en) * | 2011-06-29 | 2013-01-03 | General Electric Company | Turbo-Machinery With Flow Deflector System |
| JP5818717B2 (ja) * | 2012-02-27 | 2015-11-18 | 三菱日立パワーシステムズ株式会社 | ガスタービン |
| JP5917329B2 (ja) * | 2012-08-02 | 2016-05-11 | 株式会社東芝 | 蒸気タービンのシール構造 |
| US9394800B2 (en) * | 2013-01-21 | 2016-07-19 | General Electric Company | Turbomachine having swirl-inhibiting seal |
| US8939711B2 (en) * | 2013-02-15 | 2015-01-27 | Siemens Aktiengesellschaft | Outer rim seal assembly in a turbine engine |
-
2013
- 2013-01-21 US US13/745,890 patent/US9394800B2/en active Active
-
2014
- 2014-01-10 DE DE102014100241.5A patent/DE102014100241A1/de active Pending
- 2014-01-13 CH CH00028/14A patent/CH707543A2/de not_active Application Discontinuation
- 2014-01-16 JP JP2014005537A patent/JP6216643B2/ja active Active
- 2014-01-21 CN CN201410028058.7A patent/CN103939151B/zh active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CN103939151A (zh) | 2014-07-23 |
| US20140205444A1 (en) | 2014-07-24 |
| CN103939151B (zh) | 2017-03-01 |
| JP2014139436A (ja) | 2014-07-31 |
| US9394800B2 (en) | 2016-07-19 |
| JP6216643B2 (ja) | 2017-10-18 |
| DE102014100241A1 (de) | 2014-07-24 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| NV | New agent |
Representative=s name: GENERAL ELECTRIC TECHNOLOGY GMBH GLOBAL PATENT, CH |
|
| AZW | Rejection (application) |