FR3058755B1 - Turbine pour turbomachine - Google Patents
Turbine pour turbomachine Download PDFInfo
- Publication number
- FR3058755B1 FR3058755B1 FR1661044A FR1661044A FR3058755B1 FR 3058755 B1 FR3058755 B1 FR 3058755B1 FR 1661044 A FR1661044 A FR 1661044A FR 1661044 A FR1661044 A FR 1661044A FR 3058755 B1 FR3058755 B1 FR 3058755B1
- Authority
- FR
- France
- Prior art keywords
- wiper
- ring
- turbomachine
- turbine
- abradable material
- 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.)
- Active
Links
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
- F01D5/00—Blades; Blade-carrying members; Heating, heat-insulating, cooling or antivibration means on the blades or the members
- F01D5/12—Blades
- F01D5/14—Form or construction
- F01D5/20—Specially-shaped blade tips to seal space between tips and stator
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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
- 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
-
- 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
- F01D25/00—Component parts, details, or accessories, not provided for in, or of interest apart from, other groups
- F01D25/24—Casings; Casing parts, e.g. diaphragms, casing fastenings
- F01D25/246—Fastening of diaphragms or stator-rings
-
- 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
- F01D5/14—Form or construction
- F01D5/147—Construction, i.e. structural features, e.g. of weight-saving hollow blades
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02K—JET-PROPULSION PLANTS
- F02K3/00—Plants including a gas turbine driving a compressor or a ducted fan
- F02K3/02—Plants including a gas turbine driving a compressor or a ducted fan in which part of the working fluid by-passes the turbine and combustion chamber
- F02K3/04—Plants including a gas turbine driving a compressor or a ducted fan in which part of the working fluid by-passes the turbine and combustion chamber the plant including ducted fans, i.e. fans with high volume, low pressure outputs, for augmenting the jet thrust, e.g. of double-flow type
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- 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
- F05D2220/00—Application
- F05D2220/30—Application in turbines
- F05D2220/32—Application in turbines in gas turbines
- F05D2220/323—Application in turbines in gas turbines for aircraft propulsion, e.g. jet engines
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Architecture (AREA)
- Turbine Rotor Nozzle Sealing (AREA)
- Sealing Using Fluids, Sealing Without Contact, And Removal Of Oil (AREA)
Abstract
L'invention concerne une turbine (1) pour turbomachine, notamment pour un turboréacteur ou un turbopropulseur d'avion, comportant un rotor comprenant des aubes (35) dont la périphérie radialement externe comporte au moins une première léchette (39) s'étendant radialement vers l'extérieur, des moyens d'étanchéité s'étendant radialement autour des aubes et comportant un anneau en matériau abradable (20, 21), les extrémités radialement externes des léchettes (39) coopérant avec ledit anneau en matériau abradable de manière à former un joint de type labyrinthe, caractérisée en ce que ledit anneau comporte au moins une première partie (20) s'étendant axialement en amont de la première léchette (39) et une seconde partie (21) s'étendant axialement en aval de la première léchette, (39) la première partie (20) et/ou la seconde partie (21) comportant une gorge (23, 31) dans laquelle est insérée la première léchette (39).
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR1661044A FR3058755B1 (fr) | 2016-11-15 | 2016-11-15 | Turbine pour turbomachine |
GB1718664.4A GB2558072B (en) | 2016-11-15 | 2017-11-10 | Turbine for a turbine engine |
US15/811,986 US10633984B2 (en) | 2016-11-15 | 2017-11-14 | Turbine for a turbine engine |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR1661044 | 2016-11-15 | ||
FR1661044A FR3058755B1 (fr) | 2016-11-15 | 2016-11-15 | Turbine pour turbomachine |
Publications (2)
Publication Number | Publication Date |
---|---|
FR3058755A1 FR3058755A1 (fr) | 2018-05-18 |
FR3058755B1 true FR3058755B1 (fr) | 2020-09-25 |
Family
ID=57963318
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR1661044A Active FR3058755B1 (fr) | 2016-11-15 | 2016-11-15 | Turbine pour turbomachine |
Country Status (3)
Country | Link |
---|---|
US (1) | US10633984B2 (fr) |
FR (1) | FR3058755B1 (fr) |
GB (1) | GB2558072B (fr) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR3068070B1 (fr) * | 2017-06-26 | 2019-07-19 | Safran Aircraft Engines | Turbine pour turbomachine |
FR3096395B1 (fr) * | 2019-05-21 | 2021-04-23 | Safran Aircraft Engines | Turbine pour une turbomachine, telle qu’un turboréacteur ou un turbopropulseur d’avion |
DE102019216646A1 (de) * | 2019-10-29 | 2021-04-29 | MTU Aero Engines AG | Laufschaufelanordnung für eine strömungsmaschine |
FR3103209B1 (fr) * | 2019-11-20 | 2022-05-27 | Safran Aircraft Engines | Joint d’étanchéité à labyrinthe comportant un élément abradable glissant |
Family Cites Families (25)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4507052A (en) * | 1983-03-31 | 1985-03-26 | General Motors Corporation | End seal for turbine blade bases |
US4650395A (en) * | 1984-12-21 | 1987-03-17 | United Technologies Corporation | Coolable seal segment for a rotary machine |
FR2635562B1 (fr) * | 1988-08-18 | 1993-12-24 | Snecma | Anneau de stator de turbine associe a un support de liaison au carter de turbine |
EP0844369B1 (fr) * | 1996-11-23 | 2002-01-30 | ROLLS-ROYCE plc | Assemblage d'un rotor à aubes et de son carter |
US6533285B2 (en) * | 2001-02-05 | 2003-03-18 | Caterpillar Inc | Abradable coating and method of production |
JP4285134B2 (ja) * | 2003-07-04 | 2009-06-24 | 株式会社Ihi | シュラウドセグメント |
US7001145B2 (en) * | 2003-11-20 | 2006-02-21 | General Electric Company | Seal assembly for turbine, bucket/turbine including same, method for sealing interface between rotating and stationary components of a turbine |
US7287956B2 (en) * | 2004-12-22 | 2007-10-30 | General Electric Company | Removable abradable seal carriers for sealing between rotary and stationary turbine components |
FR2893360A1 (fr) * | 2005-11-15 | 2007-05-18 | Snecma Sa | Procede de realisation d'une lechette de labyrinthe d'etancheite, piece thermomecanique et turbomachine comprenant une telle lechette |
US20070248452A1 (en) * | 2006-04-25 | 2007-10-25 | Brisson Bruce W | Retractable compliant abradable sealing system and method for rotary machines |
FR2937371B1 (fr) * | 2008-10-20 | 2010-12-10 | Snecma | Ventilation d'une turbine haute-pression dans une turbomachine |
FR2947911B1 (fr) * | 2009-07-09 | 2011-06-17 | Snecma | Dispositif de controle d'un moteur de turbomachine |
FR2961553B1 (fr) * | 2010-06-18 | 2012-08-31 | Snecma | Secteur angulaire de redresseur pour compresseur de turbomachine, redresseur de turbomachine et turbomachine comprenant un tel secteur |
US9080459B2 (en) * | 2012-01-03 | 2015-07-14 | General Electric Company | Forward step honeycomb seal for turbine shroud |
US9151174B2 (en) * | 2012-03-09 | 2015-10-06 | General Electric Company | Sealing assembly for use in a rotary machine and methods for assembling a rotary machine |
FR2989724B1 (fr) * | 2012-04-20 | 2015-12-25 | Snecma | Etage de turbine pour une turbomachine |
US20140286766A1 (en) * | 2012-09-11 | 2014-09-25 | General Electric Company | Compressor Casing Assembly Providing Access To Compressor Blade Sealing Assembly |
EP2789804A1 (fr) * | 2013-04-11 | 2014-10-15 | Alstom Technology Ltd | Enveloppe de protection thermique de turbine à gaz présentant une durabilité améliorée |
EP2984296B1 (fr) * | 2013-04-12 | 2020-01-08 | United Technologies Corporation | Joint étanche à l'air extérieur de pale comportant une étanchéité à l'air secondaire |
EP2924237B1 (fr) * | 2014-03-25 | 2018-07-11 | Industria de Turbo Propulsores S.A. | Rotor de turbine à gaz |
FR3019597B1 (fr) * | 2014-04-08 | 2016-03-25 | Turbomeca | Compresseur de turbomachine a aubes a calage variable |
FR3021349B1 (fr) * | 2014-05-22 | 2021-07-02 | Herakles | Procede de fabrication d'une aube de turbomachine en materiau composite, aube ainsi obtenue et turbomachine l'incorporant |
FR3040461B1 (fr) * | 2015-09-02 | 2018-02-23 | Safran Aircraft Engines | Element de joint d'etancheite a labyrinthe pour turbine |
FR3065482B1 (fr) * | 2017-04-20 | 2019-07-05 | Safran Aircraft Engines | Element d'anneau d'etancheite pour turbine comportant une cavite inclinee dans un materiau abradable |
US10774670B2 (en) * | 2017-06-07 | 2020-09-15 | General Electric Company | Filled abradable seal component and associated methods thereof |
-
2016
- 2016-11-15 FR FR1661044A patent/FR3058755B1/fr active Active
-
2017
- 2017-11-10 GB GB1718664.4A patent/GB2558072B/en active Active
- 2017-11-14 US US15/811,986 patent/US10633984B2/en active Active
Also Published As
Publication number | Publication date |
---|---|
US20180135433A1 (en) | 2018-05-17 |
US10633984B2 (en) | 2020-04-28 |
GB201718664D0 (en) | 2017-12-27 |
GB2558072A (en) | 2018-07-04 |
FR3058755A1 (fr) | 2018-05-18 |
GB2558072A8 (en) | 2018-08-08 |
GB2558072B (en) | 2021-06-09 |
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