EP3615774A1 - Dispositif d'étanchéité entre rotor et stator de turbomachine - Google Patents
Dispositif d'étanchéité entre rotor et stator de turbomachineInfo
- Publication number
- EP3615774A1 EP3615774A1 EP18725281.2A EP18725281A EP3615774A1 EP 3615774 A1 EP3615774 A1 EP 3615774A1 EP 18725281 A EP18725281 A EP 18725281A EP 3615774 A1 EP3615774 A1 EP 3615774A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- upstream
- free
- wall
- axial
- radially
- 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.)
- Granted
Links
- 238000007789 sealing Methods 0.000 title claims abstract description 74
- 238000011144 upstream manufacturing Methods 0.000 claims abstract description 142
- 238000000576 coating method Methods 0.000 claims abstract description 51
- 239000011248 coating agent Substances 0.000 claims abstract description 47
- 239000000463 material Substances 0.000 claims description 8
- 230000000149 penetrating effect Effects 0.000 claims description 2
- 239000007789 gas Substances 0.000 description 26
- 230000021715 photosynthesis, light harvesting Effects 0.000 description 5
- 210000003027 ear inner Anatomy 0.000 description 4
- 230000002349 favourable effect Effects 0.000 description 4
- 238000012423 maintenance Methods 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 4
- 230000008901 benefit Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000000926 separation method Methods 0.000 description 3
- 230000004323 axial length Effects 0.000 description 2
- 238000003754 machining Methods 0.000 description 2
- 101100476489 Rattus norvegicus Slc20a2 gene Proteins 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000012790 confirmation Methods 0.000 description 1
- 230000032798 delamination Effects 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000004907 flux Effects 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 210000003462 vein Anatomy 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
- F01D11/08—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
- 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
- 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
-
- 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
- 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
-
- 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
- F05D2250/00—Geometry
- F05D2250/20—Three-dimensional
- F05D2250/28—Three-dimensional patterned
- F05D2250/283—Three-dimensional patterned honeycomb
-
- 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
- F05D2300/00—Materials; Properties thereof
- F05D2300/60—Properties or characteristics given to material by treatment or manufacturing
- F05D2300/611—Coating
Definitions
- said circumferential wall is defined by a slope formed on said coating projecting radially from the free upstream axial surface of said coating, and / or
- the circumferential wall has axially greater than said axial dimension of the cells located on the same circumference, transverse to said axis (X).
- the invention also relates to an aircraft gas turbine engine, as such, characterized in that it is equipped with the sealing device with all or part of its aforementioned characteristics.
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)
Abstract
Description
Claims
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR1753535A FR3065483B1 (fr) | 2017-04-24 | 2017-04-24 | Dispositif d'etancheite entre rotor et stator de turbomachine |
PCT/FR2018/051022 WO2018197800A1 (fr) | 2017-04-24 | 2018-04-24 | Dispositif d'étanchéité entre rotor et stator de turbomachine |
Publications (2)
Publication Number | Publication Date |
---|---|
EP3615774A1 true EP3615774A1 (fr) | 2020-03-04 |
EP3615774B1 EP3615774B1 (fr) | 2022-12-28 |
Family
ID=59297045
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP18725281.2A Active EP3615774B1 (fr) | 2017-04-24 | 2018-04-24 | Dispositif d'étanchéité entre rotor et stator de turbomachine |
Country Status (8)
Country | Link |
---|---|
US (1) | US11441442B2 (fr) |
EP (1) | EP3615774B1 (fr) |
JP (1) | JP7175963B2 (fr) |
CN (1) | CN110546349B (fr) |
CA (1) | CA3060182A1 (fr) |
FR (1) | FR3065483B1 (fr) |
RU (1) | RU2762016C2 (fr) |
WO (1) | WO2018197800A1 (fr) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP7519201B2 (ja) * | 2020-03-31 | 2024-07-19 | 川崎重工業株式会社 | ラビリンスシール及びガスタービン |
CN112065511B (zh) * | 2020-08-31 | 2021-10-26 | 南京航空航天大学 | 引射式蜂窝衬套-篦齿封严结构 |
Family Cites Families (22)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4351532A (en) * | 1975-10-01 | 1982-09-28 | United Technologies Corporation | Labyrinth seal |
US5639095A (en) * | 1988-01-04 | 1997-06-17 | Twentieth Technology | Low-leakage and low-instability labyrinth seal |
FR2635562B1 (fr) * | 1988-08-18 | 1993-12-24 | Snecma | Anneau de stator de turbine associe a un support de liaison au carter de turbine |
US5218816A (en) * | 1992-01-28 | 1993-06-15 | General Electric Company | Seal exit flow discourager |
WO2005061854A1 (fr) * | 2003-12-17 | 2005-07-07 | Watson Cogeneration Company | Lisses de coiffe d'extremite de turbine a gaz |
US7281894B2 (en) * | 2005-09-09 | 2007-10-16 | General Electric Company | Turbine airfoil curved squealer tip with tip shelf |
US7686568B2 (en) * | 2006-09-22 | 2010-03-30 | General Electric Company | Methods and apparatus for fabricating turbine engines |
US8167547B2 (en) | 2007-03-05 | 2012-05-01 | United Technologies Corporation | Gas turbine engine with canted pocket and canted knife edge seal |
JP2009047043A (ja) * | 2007-08-17 | 2009-03-05 | Mitsubishi Heavy Ind Ltd | 軸流タービン |
DE102009042857A1 (de) | 2009-09-24 | 2011-03-31 | Rolls-Royce Deutschland Ltd & Co Kg | Gasturbine mit Deckband-Labyrinthdichtung |
EP2390466B1 (fr) | 2010-05-27 | 2018-04-25 | Ansaldo Energia IP UK Limited | Ensemble refroidissement d'une turbine à gaz |
US8628092B2 (en) * | 2010-11-30 | 2014-01-14 | General Electric Company | Method and apparatus for packing rings |
US8807927B2 (en) * | 2011-09-29 | 2014-08-19 | General Electric Company | Clearance flow control assembly having rail member |
JP5374563B2 (ja) * | 2011-10-03 | 2013-12-25 | 三菱重工業株式会社 | 軸流タービン |
US9080459B2 (en) * | 2012-01-03 | 2015-07-14 | General Electric Company | Forward step honeycomb seal for turbine shroud |
FR2985759B1 (fr) | 2012-01-17 | 2014-03-07 | Snecma | Aube mobile de turbomachine |
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 |
US9291061B2 (en) | 2012-04-13 | 2016-03-22 | General Electric Company | Turbomachine blade tip shroud with parallel casing configuration |
RU2509896C1 (ru) * | 2012-08-01 | 2014-03-20 | Общество с ограниченной ответственностью "Научно-производственное предприятие Вакууммаш" | Надбандажное лабиринтное уплотнение для паровой турбины |
EP2759676A1 (fr) * | 2013-01-28 | 2014-07-30 | Siemens Aktiengesellschaft | Agencement de turbine présentant un meilleur effet d'étanchéité au niveau d'un joint étanche |
FR3022944B1 (fr) * | 2014-06-26 | 2020-02-14 | Safran Aircraft Engines | Ensemble rotatif pour turbomachine |
CN105757257B (zh) * | 2016-05-06 | 2018-04-17 | 亿昇(天津)科技有限公司 | 一种主动式迷宫密封结构 |
-
2017
- 2017-04-24 FR FR1753535A patent/FR3065483B1/fr active Active
-
2018
- 2018-04-24 CN CN201880026978.1A patent/CN110546349B/zh active Active
- 2018-04-24 CA CA3060182A patent/CA3060182A1/fr active Pending
- 2018-04-24 RU RU2019133382A patent/RU2762016C2/ru active
- 2018-04-24 EP EP18725281.2A patent/EP3615774B1/fr active Active
- 2018-04-24 WO PCT/FR2018/051022 patent/WO2018197800A1/fr unknown
- 2018-04-24 US US16/608,103 patent/US11441442B2/en active Active
- 2018-04-24 JP JP2020508084A patent/JP7175963B2/ja active Active
Also Published As
Publication number | Publication date |
---|---|
RU2019133382A (ru) | 2021-05-25 |
EP3615774B1 (fr) | 2022-12-28 |
JP7175963B2 (ja) | 2022-11-21 |
FR3065483B1 (fr) | 2020-08-07 |
US11441442B2 (en) | 2022-09-13 |
CA3060182A1 (fr) | 2018-11-01 |
FR3065483A1 (fr) | 2018-10-26 |
RU2019133382A3 (fr) | 2021-11-16 |
RU2762016C2 (ru) | 2021-12-14 |
CN110546349B (zh) | 2022-08-30 |
JP2020517860A (ja) | 2020-06-18 |
BR112019022128A2 (pt) | 2020-05-12 |
US20200095882A1 (en) | 2020-03-26 |
CN110546349A (zh) | 2019-12-06 |
WO2018197800A1 (fr) | 2018-11-01 |
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