FR3080646B1 - SEALING BETWEEN A FIXED WHEEL AND A MOBILE WHEEL OF A TURBOMACHINE - Google Patents
SEALING BETWEEN A FIXED WHEEL AND A MOBILE WHEEL OF A TURBOMACHINE Download PDFInfo
- Publication number
- FR3080646B1 FR3080646B1 FR1853651A FR1853651A FR3080646B1 FR 3080646 B1 FR3080646 B1 FR 3080646B1 FR 1853651 A FR1853651 A FR 1853651A FR 1853651 A FR1853651 A FR 1853651A FR 3080646 B1 FR3080646 B1 FR 3080646B1
- Authority
- FR
- France
- Prior art keywords
- wheel
- movable
- fixed
- turbomachine
- fixed wheel
- 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
- VJYFKVYYMZPMAB-UHFFFAOYSA-N ethoprophos Chemical compound CCCSP(=O)(OCC)SCCC VJYFKVYYMZPMAB-UHFFFAOYSA-N 0.000 title 1
- 238000007789 sealing Methods 0.000 title 1
- 239000011248 coating agent Substances 0.000 abstract 3
- 238000000576 coating method Methods 0.000 abstract 3
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
- 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
- F01D11/001—Preventing or minimising internal leakage of working-fluid, e.g. between stages for sealing space between stator blade and rotor
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Turbine Rotor Nozzle Sealing (AREA)
Abstract
Ensemble (1) pour une turbomachine (2) comprenant une roue mobile (3) autour d'un axe (X) et une roue fixe (4) adjacente sectorisée axialement décalée, ladite roue mobile (3) comprenant une pluralité d'aubes mobiles (5) délimitées chacune radialement par un plateau (6) présentant un becquet (7, 8) en saillie axiale, ladite roue fixe (4) comprenant une pluralité d'aubes fixes (9) délimitées radialement par une plateforme (10) annulaire, ladite roue fixe (4) comprenant un anneau (11) centré sur ledit axe (X) et monté mobile en translation axiale sur ladite plateforme (10) via au moins un amortisseur (12), ledit anneau (11) comprenant un revêtement abradable (13), ladite roue fixe (4) et ledit revêtement abradable (13) étant configurés pour que le revêtement abradable (13) soit en contact axial avec les becquets (7, 8) desdites aubes mobiles (5) lorsque la vitesse de rotation de la roue mobile (3) est supérieure à une valeur prédéterminée.Assembly (1) for a turbomachine (2) comprising a movable wheel (3) around an axis (X) and an adjacent fixed wheel (4) sectorized axially offset, said movable wheel (3) comprising a plurality of movable blades (5) each delimited radially by a plate (6) having a spoiler (7, 8) projecting axially, said fixed wheel (4) comprising a plurality of fixed vanes (9) delimited radially by a platform (10) annular, said fixed wheel (4) comprising a ring (11) centered on said axis (X) and mounted movable in axial translation on said platform (10) via at least one damper (12), said ring (11) comprising an abradable coating ( 13), said fixed wheel (4) and said abradable coating (13) being configured so that the abradable coating (13) is in axial contact with the spoilers (7, 8) of said movable blades (5) when the speed of rotation of the movable wheel (3) is greater than a predetermined value.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR1853651A FR3080646B1 (en) | 2018-04-26 | 2018-04-26 | SEALING BETWEEN A FIXED WHEEL AND A MOBILE WHEEL OF A TURBOMACHINE |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR1853651 | 2018-04-26 | ||
FR1853651A FR3080646B1 (en) | 2018-04-26 | 2018-04-26 | SEALING BETWEEN A FIXED WHEEL AND A MOBILE WHEEL OF A TURBOMACHINE |
Publications (2)
Publication Number | Publication Date |
---|---|
FR3080646A1 FR3080646A1 (en) | 2019-11-01 |
FR3080646B1 true FR3080646B1 (en) | 2020-03-27 |
Family
ID=62597761
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR1853651A Active FR3080646B1 (en) | 2018-04-26 | 2018-04-26 | SEALING BETWEEN A FIXED WHEEL AND A MOBILE WHEEL OF A TURBOMACHINE |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR3080646B1 (en) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR3103209B1 (en) * | 2019-11-20 | 2022-05-27 | Safran Aircraft Engines | Labyrinth seal comprising a sliding abradable element |
FR3127518A1 (en) * | 2021-09-28 | 2023-03-31 | Safran Helicopter Engines | TURBOMACHINE STAGE INCLUDING AT LEAST ONE SEAL RING |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20080061515A1 (en) * | 2006-09-08 | 2008-03-13 | Eric Durocher | Rim seal for a gas turbine engine |
US9145788B2 (en) * | 2012-01-24 | 2015-09-29 | General Electric Company | Retrofittable interstage angled seal |
EP2886801B1 (en) * | 2013-12-20 | 2019-04-24 | Ansaldo Energia IP UK Limited | Seal system for a gas turbine and corresponding gas turbine |
FR3027341B1 (en) * | 2014-10-15 | 2020-10-23 | Snecma | ROTARY ASSEMBLY FOR TURBOMACHINE INCLUDING A SELF-PROPORTED ROTOR CRANKSET |
-
2018
- 2018-04-26 FR FR1853651A patent/FR3080646B1/en active Active
Also Published As
Publication number | Publication date |
---|---|
FR3080646A1 (en) | 2019-11-01 |
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Legal Events
Date | Code | Title | Description |
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PLFP | Fee payment |
Year of fee payment: 2 |
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PLSC | Publication of the preliminary search report |
Effective date: 20191101 |
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PLFP | Fee payment |
Year of fee payment: 3 |
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PLFP | Fee payment |
Year of fee payment: 4 |
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PLFP | Fee payment |
Year of fee payment: 5 |
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PLFP | Fee payment |
Year of fee payment: 6 |
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PLFP | Fee payment |
Year of fee payment: 7 |