CH703758B1 - Laufschaufelummantelung mit Rippen aus einem abtragbaren Material. - Google Patents
Laufschaufelummantelung mit Rippen aus einem abtragbaren Material. Download PDFInfo
- Publication number
- CH703758B1 CH703758B1 CH01494/11A CH14942011A CH703758B1 CH 703758 B1 CH703758 B1 CH 703758B1 CH 01494/11 A CH01494/11 A CH 01494/11A CH 14942011 A CH14942011 A CH 14942011A CH 703758 B1 CH703758 B1 CH 703758B1
- Authority
- CH
- Switzerland
- Prior art keywords
- ribs
- blade
- bucket
- shroud
- tip
- Prior art date
Links
- 239000000463 material Substances 0.000 title claims abstract description 20
- 230000008646 thermal stress Effects 0.000 claims abstract description 5
- 238000000034 method Methods 0.000 claims description 5
- 230000010349 pulsation Effects 0.000 claims description 3
- 238000004519 manufacturing process Methods 0.000 claims description 2
- 238000011144 upstream manufacturing Methods 0.000 claims 1
- 239000007789 gas Substances 0.000 description 15
- 239000000567 combustion gas Substances 0.000 description 11
- 238000002485 combustion reaction Methods 0.000 description 4
- 230000000903 blocking effect Effects 0.000 description 3
- 239000000446 fuel Substances 0.000 description 3
- 238000012546 transfer Methods 0.000 description 3
- 238000000576 coating method Methods 0.000 description 2
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 1
- 229910002110 ceramic alloy Inorganic materials 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 230000003628 erosive effect Effects 0.000 description 1
- 238000005272 metallurgy Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 239000003345 natural gas Substances 0.000 description 1
- 238000013021 overheating Methods 0.000 description 1
- 230000000737 periodic effect Effects 0.000 description 1
- 238000012552 review Methods 0.000 description 1
- 238000003786 synthesis reaction Methods 0.000 description 1
- 230000036346 tooth eruption Effects 0.000 description 1
- 230000001052 transient effect Effects 0.000 description 1
- KJIOQYGWTQBHNH-UHFFFAOYSA-N undecanol Chemical compound CCCCCCCCCCCO KJIOQYGWTQBHNH-UHFFFAOYSA-N 0.000 description 1
- 239000013598 vector Substances 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
- 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
- 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
- F01D11/122—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 with erodable or abradable material
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Turbine Rotor Nozzle Sealing (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US12/882,311 US8579581B2 (en) | 2010-09-15 | 2010-09-15 | Abradable bucket shroud |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CH703758A2 CH703758A2 (de) | 2012-03-15 |
| CH703758B1 true CH703758B1 (de) | 2016-02-15 |
Family
ID=45756218
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CH01494/11A CH703758B1 (de) | 2010-09-15 | 2011-09-09 | Laufschaufelummantelung mit Rippen aus einem abtragbaren Material. |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US8579581B2 (https=) |
| JP (1) | JP5802493B2 (https=) |
| CN (1) | CN102434220B (https=) |
| CH (1) | CH703758B1 (https=) |
| DE (1) | DE102011053048B4 (https=) |
Families Citing this family (19)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP5951387B2 (ja) * | 2012-07-20 | 2016-07-13 | 株式会社東芝 | ラビリンスシール部およびタービン |
| US9598969B2 (en) * | 2012-07-20 | 2017-03-21 | Kabushiki Kaisha Toshiba | Turbine, manufacturing method thereof, and power generating system |
| CN103883361B (zh) * | 2012-12-20 | 2016-05-04 | 中航商用航空发动机有限责任公司 | 涡轮叶片 |
| US10612407B2 (en) | 2013-02-28 | 2020-04-07 | United Technologies Corporation | Contoured blade outer air seal for a gas turbine engine |
| US9816392B2 (en) * | 2013-04-10 | 2017-11-14 | General Electric Company | Architectures for high temperature TBCs with ultra low thermal conductivity and abradability and method of making |
| CN103422912B (zh) * | 2013-08-29 | 2015-04-08 | 哈尔滨工程大学 | 一种包括叶顶带有孔窝的动叶片的涡轮 |
| US9243511B2 (en) | 2014-02-25 | 2016-01-26 | Siemens Aktiengesellschaft | Turbine abradable layer with zig zag groove pattern |
| US8939707B1 (en) * | 2014-02-25 | 2015-01-27 | Siemens Energy, Inc. | Turbine abradable layer with progressive wear zone terraced ridges |
| WO2016133582A1 (en) | 2015-02-18 | 2016-08-25 | Siemens Aktiengesellschaft | Turbine shroud with abradable layer having dimpled forward zone |
| US8939705B1 (en) | 2014-02-25 | 2015-01-27 | Siemens Energy, Inc. | Turbine abradable layer with progressive wear zone multi depth grooves |
| US9151175B2 (en) | 2014-02-25 | 2015-10-06 | Siemens Aktiengesellschaft | Turbine abradable layer with progressive wear zone multi level ridge arrays |
| WO2016133987A2 (en) | 2015-02-18 | 2016-08-25 | Siemens Aktiengesellschaft | Forming cooling passages in combustion turbine superalloy castings |
| WO2015130519A1 (en) | 2014-02-25 | 2015-09-03 | Siemens Aktiengesellschaft | Turbine abradable layer with airflow directing pixelated surface feature patterns |
| US8939706B1 (en) | 2014-02-25 | 2015-01-27 | Siemens Energy, Inc. | Turbine abradable layer with progressive wear zone having a frangible or pixelated nib surface |
| EP3111051A1 (en) * | 2014-02-25 | 2017-01-04 | Siemens Aktiengesellschaft | Turine ring segment with abradable layer with compound angle, asymmetric surface area density ridge and groove pattern |
| US9249680B2 (en) | 2014-02-25 | 2016-02-02 | Siemens Energy, Inc. | Turbine abradable layer with asymmetric ridges or grooves |
| US8939716B1 (en) | 2014-02-25 | 2015-01-27 | Siemens Aktiengesellschaft | Turbine abradable layer with nested loop groove pattern |
| CN106536861A (zh) * | 2014-05-15 | 2017-03-22 | 诺沃皮尼奥内股份有限公司 | 制造涡轮机构件的方法、涡轮机构件以及涡轮机 |
| CN112031878A (zh) * | 2020-11-05 | 2020-12-04 | 中国航发沈阳黎明航空发动机有限责任公司 | 一种涡轮转子叶片叶尖双层壁结构 |
Family Cites Families (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3019920C2 (de) * | 1980-05-24 | 1982-12-30 | MTU Motoren- und Turbinen-Union München GmbH, 8000 München | Einrichtung zur äußeren Ummantelung der Laufschaufeln von Axialturbinen für Gasturbinentriebwerke |
| JPH10266804A (ja) * | 1997-03-26 | 1998-10-06 | Mitsubishi Heavy Ind Ltd | チップシュラウド翼キャビティ |
| US6660405B2 (en) | 2001-05-24 | 2003-12-09 | General Electric Co. | High temperature abradable coating for turbine shrouds without bucket tipping |
| FR2832180B1 (fr) * | 2001-11-14 | 2005-02-18 | Snecma Moteurs | Revetement abradable pour parois de turbines a gaz |
| US6887528B2 (en) | 2002-12-17 | 2005-05-03 | General Electric Company | High temperature abradable coatings |
| US20050003172A1 (en) * | 2002-12-17 | 2005-01-06 | General Electric Company | 7FAstage 1 abradable coatings and method for making same |
| US6916529B2 (en) | 2003-01-09 | 2005-07-12 | General Electric Company | High temperature, oxidation-resistant abradable coatings containing microballoons and method for applying same |
| EP1591626A1 (de) * | 2004-04-30 | 2005-11-02 | Alstom Technology Ltd | Schaufel für Gasturbine |
| US7600968B2 (en) | 2004-11-24 | 2009-10-13 | General Electric Company | Pattern for the surface of a turbine shroud |
| US7614847B2 (en) * | 2004-11-24 | 2009-11-10 | General Electric Company | Pattern for the surface of a turbine shroud |
| EP1715140A1 (de) * | 2005-04-21 | 2006-10-25 | Siemens Aktiengesellschaft | Turbinenschaufel mit einer Deckplatte und einer auf der Deckplatte aufgebrachte Schutzschicht |
| US7500824B2 (en) | 2006-08-22 | 2009-03-10 | General Electric Company | Angel wing abradable seal and sealing method |
| US8622784B2 (en) | 2008-07-02 | 2014-01-07 | Huffman Corporation | Method for selectively removing portions of an abradable coating using a water jet |
-
2010
- 2010-09-15 US US12/882,311 patent/US8579581B2/en not_active Expired - Fee Related
-
2011
- 2011-08-26 DE DE102011053048.7A patent/DE102011053048B4/de not_active Expired - Fee Related
- 2011-09-09 CH CH01494/11A patent/CH703758B1/de not_active IP Right Cessation
- 2011-09-12 JP JP2011197910A patent/JP5802493B2/ja not_active Expired - Fee Related
- 2011-09-15 CN CN201110283399.5A patent/CN102434220B/zh not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| JP2012062887A (ja) | 2012-03-29 |
| CN102434220A (zh) | 2012-05-02 |
| US8579581B2 (en) | 2013-11-12 |
| CN102434220B (zh) | 2015-08-26 |
| JP5802493B2 (ja) | 2015-10-28 |
| CH703758A2 (de) | 2012-03-15 |
| DE102011053048A1 (de) | 2012-03-15 |
| US20120063881A1 (en) | 2012-03-15 |
| DE102011053048B4 (de) | 2022-07-21 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| NV | New agent |
Representative=s name: GENERAL ELECTRIC TECHNOLOGY GMBH GLOBAL PATENT, CH |
|
| PL | Patent ceased |