WO2014016515A1 - Pièce de modification du profil d'une veine aérodynamique - Google Patents
Pièce de modification du profil d'une veine aérodynamique Download PDFInfo
- Publication number
- WO2014016515A1 WO2014016515A1 PCT/FR2013/051782 FR2013051782W WO2014016515A1 WO 2014016515 A1 WO2014016515 A1 WO 2014016515A1 FR 2013051782 W FR2013051782 W FR 2013051782W WO 2014016515 A1 WO2014016515 A1 WO 2014016515A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- aerodynamic
- profile
- vein
- aerodynamic vein
- modification
- 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.)
- Ceased
Links
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
- F01D9/00—Stators
- F01D9/02—Nozzles; Nozzle boxes; Stator blades; Guide conduits, e.g. individual nozzles
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P6/00—Restoring or reconditioning objects
- B23P6/002—Repairing turbine components, e.g. moving or stationary blades, rotors
- B23P6/005—Repairing turbine components, e.g. moving or stationary blades, rotors using only replacement pieces of a particular form
-
- 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
- F01D5/005—Repairing methods or devices
-
- 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
- F01D5/141—Shape, i.e. outer, aerodynamic form
- F01D5/142—Shape, i.e. outer, aerodynamic form of the blades of successive rotor or stator blade-rows
- F01D5/143—Contour of the outer or inner working fluid flow path wall, i.e. shroud or hub contour
-
- 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
- F05D2230/00—Manufacture
- F05D2230/30—Manufacture with deposition of material
- F05D2230/31—Layer deposition
-
- 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
- F05D2230/00—Manufacture
- F05D2230/80—Repairing, retrofitting or upgrading methods
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T50/00—Aeronautics or air transport
- Y02T50/60—Efficient propulsion technologies, e.g. for aircraft
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T29/00—Metal working
- Y10T29/49—Method of mechanical manufacture
- Y10T29/49316—Impeller making
- Y10T29/49336—Blade making
- Y10T29/49337—Composite blade
Definitions
- the present invention relates to the field of aerodynamic veins, and more particularly to those present in turbomachines. It concerns a part for modifying the profile of an aerodynamic stream, the aerodynamic stream and the turbomachine comprising such a part, as well as a method of modifying the profile of an aerodynamic stream.
- the invention applies in particular to any type of terrestrial or aeronautical turbomachines, and in particular to aircraft turbomachines such as turbojets and turboprops.
- the aerodynamic veins are elements that allow the passage and guiding of the flow of fluid, especially air.
- An aerodynamic vein comprises, in a manner known per se, a set of elements called aerodynamic vein profiles which are machined directly on the parts of the turbomachine performing the flow of air, for example ferrules. These elements define the general profile of the aerodynamic vein which allows the guiding of the air flow. Aerodynamic veins are therefore complex to achieve and expensive. They are also at the origin of very long manufacturing time. In particular, the influence studies carried out on the aerodynamic veins, which can lead to replace at least partially an aerodynamic vein already in place by a modified aerodynamic vein, are items of expenditure in time and in significant costs in the development of a turbomachine.
- the object of the invention is to remedy at least partially the needs mentioned above and the drawbacks relating to the embodiments of the prior art.
- the invention thus has, according to one of its aspects, a part for modifying the profile of an aerodynamic vein, notably a turbomachine aerodynamic vein, comprising:
- a first face intended to be fixed on the aerodynamic vein
- a second face defining a modified aerodynamic vein profile, intended to modify the initial profile of the aerodynamic stream, and in particular to modify at least the initial axial profile of the vein aerodynamic.
- Modification part means an element intended to be attached to the aerodynamic stream to modify its profile.
- the modification part may also be designated by the term yoke or its English equivalent "patch”.
- Axial profile means the profile or contour of the aerodynamic vein observed along the longitudinal axis of the turbomachine.
- axial profile initial means the axial profile of the aerodynamic stream before placing the modification part.
- the solution proposed by the invention can make it possible to avoid the various disadvantages of the known solutions of the prior art while ensuring the desired modification (s) for the aerodynamic stream.
- the modification piece according to the invention can allow, after fixation on the aerodynamic stream, to obtain a desired modified profile of the aerodynamic stream with respect to the initial profile thereof.
- the modification part according to the invention may further comprise one or more of the following characteristics taken separately or in any possible technical combination.
- the modification piece can modify the initial axial profile of the aerodynamic stream on at least most of it, better at least three quarters of it, or substantially all of it.
- the second face may define an aerodynamic stream profile which is modified, ie different, with respect to the profile of the part of the aerodynamic stream on which the modification piece is intended to be fixed by its first face.
- the first face of the part may be able to fit the profile of at least a portion of the aerodynamic stream, including the initial axial profile of at least a portion of the aerodynamic stream.
- the first face of the part may be able to match the profile of the part of the aerodynamic vein on which it is intended to be fixed.
- the first face can be designed to fit exactly to the shape of the part of the aerodynamic vein on which it is intended to be fixed.
- the second face of the piece may be different from the first face.
- the second face of the part may define an aerodynamic vein profile different from that defined by the first face.
- the invention may thus make it possible to provide a modification piece, one face of which is provided to perfectly match the shape of the initial profile of the aerodynamic stream and of which another face is provided to produce a new modified profile of the aerodynamic stream.
- the modification piece can be attached to the aerodynamic stream by any type of means, and in particular by gluing.
- the first face of the modification piece may be at least partially coated with an adhesive intended to come into contact with the aerodynamic stream.
- the modification piece may further comprise at least one surface, different from the first face, coated with glue. Indeed, it may be possible for one or more other surfaces of the part, different from the first face, in contact with the aerodynamic vein, to be stuck together by the discharge of glue when the modification part is put on. the aerodynamic vein. This situation may nevertheless be favorable to holding the part in position on the aerodynamic vein due to an increase in the bonded surface.
- the modification piece may comprise a groove (or housing) for receiving a hoop intended to maintain the part in position on the aerodynamic vein.
- the second face of the modification piece may comprise such a groove.
- the hoop may correspond to a very strong tape used to maintain the position of the modification part on the aerodynamic vein.
- a mechanical attachment link is maintained thanks to the hoop to ensure the veneer of the part on the aerodynamic vein.
- the modification part can be made of any type of material.
- the modification part can be made by a prototyping method fast, including stereolithography.
- the modification piece can thus comprise, for example, a stereolithographic resin and / or a metal powder.
- Another subject of the invention is an aerodynamic vein, in particular a turbomachine aerodynamic vein, characterized in that it comprises a modification piece as defined above.
- the aerodynamic stream may thus comprise a modification part whose first face is fixed on the aerodynamic stream, in particular by gluing, and the second face is opposite to the first face and defines a profile of aerodynamic stream modified with respect to the profile. initial part of the aerodynamic vein on which the first face rests.
- the aerodynamic vein may have an initial axial profile defined along the longitudinal axis of the turbomachine.
- the part for modifying the profile of the aerodynamic stream may extend along its largest dimension, on the aerodynamic stream, along the longitudinal axis of the turbomachine.
- the aerodynamic stream may comprise several modification parts according to the invention, in particular at least two, even three or even four parts. These modification pieces may be at least partly disposed adjacent and / or superposed relative to each other.
- the superposition of several modification pieces on one another can make it possible to form several layers, each layer constituting an aerodynamic vein influence.
- Arranging adjacent modification pieces on the aerodynamic vein may cause gaps between the modification pieces. These games can for example be compensated by adding material, in particular to allow a good seal.
- the aerodynamic stream may comprise a plurality of aerodynamic stream profile modification parts, arranged in juxtaposition with each other transversely with respect to the longitudinal axis of the turbomachine so as to ensure a substantial continuity of the modified profile of the airfoil. aerodynamic vein on at least one cross section of the aerodynamic vein.
- the aerodynamic vein may correspond to any type of aerodynamic vein present on a turbomachine.
- the aerodynamic stream may be a disk of a righting vane, in particular an output straightening vane (or OGV for "Outlet Guide Vane” in English) or an input straightening vane (or IGV for "Inlet Guide Vane” in English).
- the at least one modification piece according to the invention can be placed between the vanes of the righting vane.
- each modification piece can be inserted between two successive blades.
- the invention further relates, in another of its aspects, a turbomachine characterized in that it comprises a modification piece as defined above or an aerodynamic stream as defined above.
- the turbomachine may include means for filtering the air intended to come into contact with the modification part.
- the modification part may be made of a material sensitive to abrasion, especially when made in a stereolithographic material, and the filtering of the air can prevent the projection of abrasive particles on the modification part.
- the modification piece may also be applied to an aerodynamic vein of a cold part of the turbomachine.
- the modification part may be located in a cold zone of the turbomachine, presenting especially a temperature of less than or equal to 40 ° C. Indeed, beyond such a temperature, the material or materials constituting the modification part may not withstand, especially when it comprises a stereolithographic material.
- the subject of the invention is also a method of modifying the profile of an aerodynamic vein, in particular a turbomachine aerodynamic vein, characterized in that it comprises the step consisting in fixing a piece of modification of an aerodynamic vein as defined above on the aerodynamic vein.
- the method may comprise a step of smoothing at least one intersection between the modification piece and the aerodynamic stream.
- the smoothing step can reproduce the profile of the aerodynamic stream continuously at an intersection between the modification piece and the aerodynamic stream.
- the smoothing step may also be implemented at the intersection between two modification pieces according to the invention.
- the smoothing step can still be implemented at the groove of the modification piece receiving a hoop, particularly above the hoop to reconstruct the profile of the aerodynamic stream.
- the smoothing step may for example comprise the introduction of an elastomer, in particular an RTV silicone elastomer (for "Room Temperature Vulcanizing” in English or room vulcanization temperature), at the intersection between the modification piece and the aerodynamic vein.
- an elastomer in particular an RTV silicone elastomer (for "Room Temperature Vulcanizing” in English or room vulcanization temperature)
- the method according to the invention may include the step of arranging adjacent and / or superimposed a plurality of modification pieces relative to one another.
- the method according to the invention may further comprise, independently or in combination with each other, the following steps: - Make the modification part or parts by stereolithography,
- the aerodynamic vein, the turbomachine and the method according to the invention may comprise any of the previously mentioned characteristics, taken alone or in any technically possible combination with other characteristics.
- FIG. 1 represents, in perspective, an example of a modification part according to the invention
- FIG. 2 represents, in perspective, an example of an aerodynamic vein comprising modification parts according to the invention
- FIG. 3 is another perspective view of the aerodynamic vein of FIG. 2,
- FIG. 4 is a view along line IV of FIG. 2, and
- FIG. 5 is an enlarged view of part of FIG.
- FIG. 1 shows in perspective an example of part 1 for modifying the profile of an aerodynamic vein 2 according to the invention.
- Part 1 also referred to hereinafter by the term “patch”, comprises a first face la intended to be fixed on the aerodynamic vein 2, and a second face lb, opposite the first face la, which defines a vein profile aerodynamic modified with respect to the initial profile of the part of the aerodynamic vein 2 on which the first face is intended to be fixed.
- the first face of the patch 1 may in particular be coated with an adhesive to allow its attachment to the aerodynamic vein 2.
- the patch 1 further comprises a groove 5 (or notch), which opens on both sides of the patch 1, to allow the establishment of a fastening band or band 6 intended to create a mechanical maintenance of the patch 1 on the aerodynamic vein 2.
- a groove 5 or notch
- Such mechanical support by the hoop 6 may in particular be useful in case of detachment of the patch 1.
- Patch 1 can be made in any type of material.
- the patch 1 is made by a stereolithography method.
- the stereolithography process may in particular make it possible to produce any desired shape for the patch 1, and possibly to provide an embodiment of the patch 1 in several parts fixed together, in particular by gluing, in order to adapt to any type of profile desired for the aerodynamic vein 2.
- the turbomachine comprising the patch 1 may, if necessary, be equipped with air filtering means intended to come into contact with the patch 1 to prevent that abrasive dust does not come into contact with the patch 1.
- the patch 1 may be placed in a cold zone of the turbomachine, particularly in an area where the temperature is less than or equal to 40 ° C.
- FIG. 2 represents in perspective an example of an aerodynamic vein 2 comprising four patches 1 according to the invention.
- the aerodynamic vein 2 may be a disk of an input straightening vane (IGV), which comprises straightening vanes 3.
- IIGV input straightening vane
- the patches 1 may be arranged adjacent to each other, each patch 1 being interposed between two successive straightening vanes 3.
- the patches 1 may extend along their largest dimension L, on the aerodynamic vein 2, along the longitudinal axis X of the turbomachine, as can be seen in Figures 2, 3 and 4.
- the patches 1 can also be maintained in position on the aerodynamic vein 2 by gluing and also by a band 6, visible in FIGS. 2 to 4, placed in the grooves 5 of the patches 1.
- the four patches 1 are identical.
- the aerodynamic vein 2 may comprise identical or different patches.
- FIGS. 3 and 4 which is a view along line IV of FIG. 2, a smoothing may be provided in certain areas of the patches 1 to allow a continuous reconstruction of the aerodynamic profile of the aerodynamic stream 2.
- such smoothing can be provided in the upstream zones Z 1 and downstream Z 3 of the patches 1, as well as in the zones of intersection Z 2 between the patches 1 or between a patch 1 and the aerodynamic stream 2.
- the smoothing can also be provided at Z 4 zones where the hoop 6 is housed in the grooves 5 of the patches 1.
- the smoothing may for example consist in the addition of an elastomeric material, in particular an RTV silicone elastomer, intended to create a continuity between the patches 1 and / or a patch 1 and the aerodynamic stream 2 and / or between a groove 5 a patch 1 and the fret 6.
- FIG. 5 is an enlarged view of the zone A of FIG. 4, intended to illustrate the smoothing carried out in a zone Zi upstream of a patch 1 at the intersection between the patch 1 and the aerodynamic stream 2.
- the invention can allow a simple and fast modification of the profile of the aerodynamic vein 2 once the patch 1 set up on it by its first face.
- the initial axial profile P a o of the aerodynamic vein 2 (visible in FIG. 4), which is defined along the longitudinal axis X of the turbomachine before introduction of the modification part 1, can be modified by the addition of the modification part 1, the latter having a second face lb defining a modified axial profile P a i (visible in Figure 4) for the aerodynamic vein 2.
- the initial profile of the aerodynamic stream 2 can be easily adapted to obtain the desired new profile by multiplying the patches 1 according to the needs, these being able or not to be placed side by side and / or at least partially superimposed on each other. other.
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
- Turbine Rotor Nozzle Sealing (AREA)
- Management, Administration, Business Operations System, And Electronic Commerce (AREA)
- Disintegrating Or Milling (AREA)
Description
Claims
Priority Applications (6)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| EP13756592.5A EP2877700B1 (fr) | 2012-07-27 | 2013-07-24 | Veine aérodynamique avec pièce de modification et procédé de modification associé |
| CN201380039612.5A CN104487656B (zh) | 2012-07-27 | 2013-07-24 | 修改空气动力学喷射器的轮廓的零件 |
| US14/413,508 US9982546B2 (en) | 2012-07-27 | 2013-07-24 | Part to modify the profile of an aerodynamic jet |
| BR112015001541-7A BR112015001541B1 (pt) | 2012-07-27 | 2013-07-24 | Jato aerodinâmico para uma turbomáquina, turbomáquina, e, método para modificar o perfil de um jato aerodinâmico |
| CA2879142A CA2879142C (fr) | 2012-07-27 | 2013-07-24 | Piece de modification du profil d'une veine aerodynamique |
| RU2015106023A RU2655085C2 (ru) | 2012-07-27 | 2013-07-24 | Деталь изменения контура аэродинамического тракта |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR1257321 | 2012-07-27 | ||
| FR1257321A FR2993927B1 (fr) | 2012-07-27 | 2012-07-27 | Piece de modification du profil d'une veine aerodynamique |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| WO2014016515A1 true WO2014016515A1 (fr) | 2014-01-30 |
Family
ID=47022869
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PCT/FR2013/051782 Ceased WO2014016515A1 (fr) | 2012-07-27 | 2013-07-24 | Pièce de modification du profil d'une veine aérodynamique |
Country Status (8)
| Country | Link |
|---|---|
| US (1) | US9982546B2 (fr) |
| EP (1) | EP2877700B1 (fr) |
| CN (1) | CN104487656B (fr) |
| BR (1) | BR112015001541B1 (fr) |
| CA (1) | CA2879142C (fr) |
| FR (1) | FR2993927B1 (fr) |
| RU (1) | RU2655085C2 (fr) |
| WO (1) | WO2014016515A1 (fr) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR3070420A1 (fr) * | 2017-08-23 | 2019-03-01 | Safran Aircraft Engines | Capot de moyeu pour structure aero-acoustique |
| RU2748136C1 (ru) * | 2020-07-02 | 2021-05-19 | Федеральное государственное бюджетное учреждение науки Институт проблем механики им. А.Ю. Ишлинского | Сопловой блок аэродинамической трубы с профилированным соплом и способ его изготовления |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4023350A (en) | 1975-11-10 | 1977-05-17 | United Technologies Corporation | Exhaust case for a turbine machine |
| EP1992787A1 (fr) | 2007-05-15 | 2008-11-19 | General Electric Company | Assemblage de pales de rotor de turbine comprenant une plateforme détachable |
| US20090199565A1 (en) | 2008-02-12 | 2009-08-13 | John Joseph Brown | Stave and ring cmc nozzle |
| GB2482170A (en) | 2010-07-23 | 2012-01-25 | Rolls Royce Plc | A duct |
Family Cites Families (19)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR1104644A (fr) * | 1954-02-15 | 1955-11-22 | Thomson Houston Comp Francaise | Perfectionnements aux systèmes de commande de l'écoulement d'un fluide |
| US2873088A (en) * | 1953-05-21 | 1959-02-10 | Gen Electric | Lightweight rotor construction |
| US2799472A (en) * | 1953-07-03 | 1957-07-16 | Armstrong Siddeley Motors Ltd | Exhaust cone assemblies of gas turbine engines |
| GB1093568A (en) * | 1965-11-23 | 1967-12-06 | Rolls Royce | Improvements in or relating to bladed rotors such as compressor rotors |
| US4650399A (en) * | 1982-06-14 | 1987-03-17 | United Technologies Corporation | Rotor blade for a rotary machine |
| US4726101A (en) * | 1986-09-25 | 1988-02-23 | United Technologies Corporation | Turbine vane nozzle reclassification |
| US5222865A (en) * | 1991-03-04 | 1993-06-29 | General Electric Company | Platform assembly for attaching rotor blades to a rotor disk |
| US5281096A (en) * | 1992-09-10 | 1994-01-25 | General Electric Company | Fan assembly having lightweight platforms |
| US5935360A (en) * | 1997-09-24 | 1999-08-10 | General Electric Company | Method for repairing a strip bonded to an article surface |
| US6338609B1 (en) * | 2000-02-18 | 2002-01-15 | General Electric Company | Convex compressor casing |
| US6561761B1 (en) * | 2000-02-18 | 2003-05-13 | General Electric Company | Fluted compressor flowpath |
| DE50011923D1 (de) * | 2000-12-27 | 2006-01-26 | Siemens Ag | Gasturbinenschaufel und Gasturbine |
| GB2417053B (en) * | 2004-08-11 | 2006-07-12 | Rolls Royce Plc | Turbine |
| ITTO20040670A1 (it) | 2004-10-05 | 2005-01-05 | Avio Spa | Ugello regolabile di un motore a propellente solido e motore provvisto di tale ugello regolabile |
| US20080298973A1 (en) * | 2007-05-29 | 2008-12-04 | Siemens Power Generation, Inc. | Turbine vane with divided turbine vane platform |
| FR2926856B1 (fr) * | 2008-01-30 | 2013-03-29 | Snecma | Compresseur de turboreacteur |
| EP2639004B1 (fr) * | 2012-03-15 | 2016-05-11 | MTU Aero Engines GmbH | Segment de couronne d'aubes avec surface de limitation de l'espace annulaire à profil en hauteur ondulé et procédé de fabrication |
| FR3008185B1 (fr) | 2013-07-03 | 2017-02-10 | Snecma | Insert comprenant une surface externe faisant partie d'au moins un profil aerodynamique d'une aube de test de turbomachine |
| US9388704B2 (en) * | 2013-11-13 | 2016-07-12 | Siemens Energy, Inc. | Vane array with one or more non-integral platforms |
-
2012
- 2012-07-27 FR FR1257321A patent/FR2993927B1/fr active Active
-
2013
- 2013-07-24 US US14/413,508 patent/US9982546B2/en active Active
- 2013-07-24 EP EP13756592.5A patent/EP2877700B1/fr active Active
- 2013-07-24 RU RU2015106023A patent/RU2655085C2/ru active
- 2013-07-24 CA CA2879142A patent/CA2879142C/fr active Active
- 2013-07-24 BR BR112015001541-7A patent/BR112015001541B1/pt active IP Right Grant
- 2013-07-24 CN CN201380039612.5A patent/CN104487656B/zh active Active
- 2013-07-24 WO PCT/FR2013/051782 patent/WO2014016515A1/fr not_active Ceased
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4023350A (en) | 1975-11-10 | 1977-05-17 | United Technologies Corporation | Exhaust case for a turbine machine |
| EP1992787A1 (fr) | 2007-05-15 | 2008-11-19 | General Electric Company | Assemblage de pales de rotor de turbine comprenant une plateforme détachable |
| US20090199565A1 (en) | 2008-02-12 | 2009-08-13 | John Joseph Brown | Stave and ring cmc nozzle |
| GB2482170A (en) | 2010-07-23 | 2012-01-25 | Rolls Royce Plc | A duct |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR3070420A1 (fr) * | 2017-08-23 | 2019-03-01 | Safran Aircraft Engines | Capot de moyeu pour structure aero-acoustique |
| RU2748136C1 (ru) * | 2020-07-02 | 2021-05-19 | Федеральное государственное бюджетное учреждение науки Институт проблем механики им. А.Ю. Ишлинского | Сопловой блок аэродинамической трубы с профилированным соплом и способ его изготовления |
Also Published As
| Publication number | Publication date |
|---|---|
| US20150176419A1 (en) | 2015-06-25 |
| RU2655085C2 (ru) | 2018-05-23 |
| CN104487656A (zh) | 2015-04-01 |
| FR2993927A1 (fr) | 2014-01-31 |
| BR112015001541A2 (pt) | 2017-07-04 |
| EP2877700B1 (fr) | 2020-04-01 |
| EP2877700A1 (fr) | 2015-06-03 |
| US9982546B2 (en) | 2018-05-29 |
| CA2879142C (fr) | 2020-02-18 |
| CA2879142A1 (fr) | 2014-01-30 |
| CN104487656B (zh) | 2016-03-02 |
| RU2015106023A (ru) | 2016-09-20 |
| BR112015001541B1 (pt) | 2021-10-13 |
| FR2993927B1 (fr) | 2014-08-22 |
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