DE102011053048B4 - Abtragbare Laufschaufelummantelung und Verfahren zum Minimieren einer Leckströmung durch einen Laufschaufelspitzenspalt - Google Patents

Abtragbare Laufschaufelummantelung und Verfahren zum Minimieren einer Leckströmung durch einen Laufschaufelspitzenspalt Download PDF

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Publication number
DE102011053048B4
DE102011053048B4 DE102011053048.7A DE102011053048A DE102011053048B4 DE 102011053048 B4 DE102011053048 B4 DE 102011053048B4 DE 102011053048 A DE102011053048 A DE 102011053048A DE 102011053048 B4 DE102011053048 B4 DE 102011053048B4
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Germany
Prior art keywords
arc
blade tip
ribs
blade
abradable
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
Application number
DE102011053048.7A
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German (de)
English (en)
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DE102011053048A1 (de
Inventor
James Albert Tallman
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
GE Vernova GmbH
Original Assignee
General Electric Co
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Filing date
Publication date
Application filed by General Electric Co filed Critical General Electric Co
Publication of DE102011053048A1 publication Critical patent/DE102011053048A1/de
Application granted granted Critical
Publication of DE102011053048B4 publication Critical patent/DE102011053048B4/de
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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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

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Turbine Rotor Nozzle Sealing (AREA)
DE102011053048.7A 2010-09-15 2011-08-26 Abtragbare Laufschaufelummantelung und Verfahren zum Minimieren einer Leckströmung durch einen Laufschaufelspitzenspalt Expired - Fee Related DE102011053048B4 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US12/882,311 US8579581B2 (en) 2010-09-15 2010-09-15 Abradable bucket shroud
US12/882,311 2010-09-15

Publications (2)

Publication Number Publication Date
DE102011053048A1 DE102011053048A1 (de) 2012-03-15
DE102011053048B4 true DE102011053048B4 (de) 2022-07-21

Family

ID=45756218

Family Applications (1)

Application Number Title Priority Date Filing Date
DE102011053048.7A Expired - Fee Related DE102011053048B4 (de) 2010-09-15 2011-08-26 Abtragbare Laufschaufelummantelung und Verfahren zum Minimieren einer Leckströmung durch einen Laufschaufelspitzenspalt

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=)

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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

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102005033176A1 (de) 2004-07-22 2006-03-16 General Electric Co. Abschleifbare Beschichtungen für eine 7FA+E-Stufe 1 und Verfahren zum Herstellen der Beschichtungen
US20060110248A1 (en) 2004-11-24 2006-05-25 Nelson Warren A Pattern for the surface of a turbine shroud
DE60217456T2 (de) 2001-11-14 2007-11-08 Snecma Abreibbare Beschichtung für Mantelringe von Gasturbinen
EP2140973A1 (en) 2008-07-02 2010-01-06 Huffman Corporation Method and apparatus for selectively removing portions of an abradable coating using a water jet

Family Cites Families (9)

* Cited by examiner, † Cited by third party
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
US6887528B2 (en) 2002-12-17 2005-05-03 General Electric Company High temperature abradable coatings
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
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

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE60217456T2 (de) 2001-11-14 2007-11-08 Snecma Abreibbare Beschichtung für Mantelringe von Gasturbinen
DE102005033176A1 (de) 2004-07-22 2006-03-16 General Electric Co. Abschleifbare Beschichtungen für eine 7FA+E-Stufe 1 und Verfahren zum Herstellen der Beschichtungen
US20060110248A1 (en) 2004-11-24 2006-05-25 Nelson Warren A Pattern for the surface of a turbine shroud
EP2140973A1 (en) 2008-07-02 2010-01-06 Huffman Corporation Method and apparatus for selectively removing portions of an abradable coating using a water jet

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
CH703758B1 (de) 2016-02-15
JP5802493B2 (ja) 2015-10-28
CH703758A2 (de) 2012-03-15
DE102011053048A1 (de) 2012-03-15
US20120063881A1 (en) 2012-03-15

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Owner name: GENERAL ELECTRIC TECHNOLOGY GMBH, CH

Free format text: FORMER OWNER: GENERAL ELECTRIC COMPANY, SCHENECTADY, NY, US

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