WO2016027030A1 - Carter en matériau composite à matrice organique auto-raidi - Google Patents
Carter en matériau composite à matrice organique auto-raidi Download PDFInfo
- Publication number
- WO2016027030A1 WO2016027030A1 PCT/FR2015/052213 FR2015052213W WO2016027030A1 WO 2016027030 A1 WO2016027030 A1 WO 2016027030A1 FR 2015052213 W FR2015052213 W FR 2015052213W WO 2016027030 A1 WO2016027030 A1 WO 2016027030A1
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- WO
- WIPO (PCT)
- Prior art keywords
- housing
- casing
- stiffening portion
- stiffening
- upstream
- Prior art date
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- 239000002131 composite material Substances 0.000 title claims abstract description 17
- 238000011144 upstream manufacturing Methods 0.000 claims abstract description 18
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- XQUPVDVFXZDTLT-UHFFFAOYSA-N 1-[4-[[4-(2,5-dioxopyrrol-1-yl)phenyl]methyl]phenyl]pyrrole-2,5-dione Chemical compound O=C1C=CC(=O)N1C(C=C1)=CC=C1CC1=CC=C(N2C(C=CC2=O)=O)C=C1 XQUPVDVFXZDTLT-UHFFFAOYSA-N 0.000 description 1
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C70/00—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts
- B29C70/04—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts comprising reinforcements only, e.g. self-reinforcing plastics
- B29C70/06—Fibrous reinforcements only
- B29C70/10—Fibrous reinforcements only characterised by the structure of fibrous reinforcements, e.g. hollow fibres
- B29C70/16—Fibrous reinforcements only characterised by the structure of fibrous reinforcements, e.g. hollow fibres using fibres of substantial or continuous length
- B29C70/22—Fibrous reinforcements only characterised by the structure of fibrous reinforcements, e.g. hollow fibres using fibres of substantial or continuous length oriented in at least two directions forming a two dimensional structure
- B29C70/222—Fibrous reinforcements only characterised by the structure of fibrous reinforcements, e.g. hollow fibres using fibres of substantial or continuous length oriented in at least two directions forming a two dimensional structure the structure being shaped to form a three dimensional configuration
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C70/00—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts
- B29C70/04—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts comprising reinforcements only, e.g. self-reinforcing plastics
- B29C70/06—Fibrous reinforcements only
- B29C70/10—Fibrous reinforcements only characterised by the structure of fibrous reinforcements, e.g. hollow fibres
- B29C70/16—Fibrous reinforcements only characterised by the structure of fibrous reinforcements, e.g. hollow fibres using fibres of substantial or continuous length
- B29C70/24—Fibrous reinforcements only characterised by the structure of fibrous reinforcements, e.g. hollow fibres using fibres of substantial or continuous length oriented in at least three directions forming a three dimensional structure
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- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C70/00—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts
- B29C70/04—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts comprising reinforcements only, e.g. self-reinforcing plastics
- B29C70/28—Shaping operations therefor
- B29C70/30—Shaping by lay-up, i.e. applying fibres, tape or broadsheet on a mould, former or core; Shaping by spray-up, i.e. spraying of fibres on a mould, former or core
- B29C70/32—Shaping by lay-up, i.e. applying fibres, tape or broadsheet on a mould, former or core; Shaping by spray-up, i.e. spraying of fibres on a mould, former or core on a rotating mould, former or core
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C70/00—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts
- B29C70/04—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts comprising reinforcements only, e.g. self-reinforcing plastics
- B29C70/28—Shaping operations therefor
- B29C70/40—Shaping or impregnating by compression not applied
- B29C70/42—Shaping or impregnating by compression not applied for producing articles of definite length, i.e. discrete articles
- B29C70/44—Shaping or impregnating by compression not applied for producing articles of definite length, i.e. discrete articles using isostatic pressure, e.g. pressure difference-moulding, vacuum bag-moulding, autoclave-moulding or expanding rubber-moulding
- B29C70/446—Moulding structures having an axis of symmetry or at least one channel, e.g. tubular structures, frames
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C70/00—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts
- B29C70/68—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts by incorporating or moulding on preformed parts, e.g. inserts or layers, e.g. foam blocks
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- D—TEXTILES; PAPER
- D03—WEAVING
- D03D—WOVEN FABRICS; METHODS OF WEAVING; LOOMS
- D03D11/00—Double or multi-ply fabrics not otherwise provided for
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- D—TEXTILES; PAPER
- D03—WEAVING
- D03D—WOVEN FABRICS; METHODS OF WEAVING; LOOMS
- D03D15/00—Woven fabrics characterised by the material, structure or properties of the fibres, filaments, yarns, threads or other warp or weft elements used
- D03D15/20—Woven fabrics characterised by the material, structure or properties of the fibres, filaments, yarns, threads or other warp or weft elements used characterised by the material of the fibres or filaments constituting the yarns or threads
- D03D15/242—Woven fabrics characterised by the material, structure or properties of the fibres, filaments, yarns, threads or other warp or weft elements used characterised by the material of the fibres or filaments constituting the yarns or threads inorganic, e.g. basalt
- D03D15/267—Glass
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- D—TEXTILES; PAPER
- D03—WEAVING
- D03D—WOVEN FABRICS; METHODS OF WEAVING; LOOMS
- D03D15/00—Woven fabrics characterised by the material, structure or properties of the fibres, filaments, yarns, threads or other warp or weft elements used
- D03D15/20—Woven fabrics characterised by the material, structure or properties of the fibres, filaments, yarns, threads or other warp or weft elements used characterised by the material of the fibres or filaments constituting the yarns or threads
- D03D15/242—Woven fabrics characterised by the material, structure or properties of the fibres, filaments, yarns, threads or other warp or weft elements used characterised by the material of the fibres or filaments constituting the yarns or threads inorganic, e.g. basalt
- D03D15/275—Carbon fibres
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- D—TEXTILES; PAPER
- D03—WEAVING
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- D03D15/20—Woven fabrics characterised by the material, structure or properties of the fibres, filaments, yarns, threads or other warp or weft elements used characterised by the material of the fibres or filaments constituting the yarns or threads
- D03D15/283—Woven fabrics characterised by the material, structure or properties of the fibres, filaments, yarns, threads or other warp or weft elements used characterised by the material of the fibres or filaments constituting the yarns or threads synthetic polymer-based, e.g. polyamide or polyester fibres
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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
- F01D21/00—Shutting-down of machines or engines, e.g. in emergency; Regulating, controlling, or safety means not otherwise provided for
- F01D21/04—Shutting-down of machines or engines, e.g. in emergency; Regulating, controlling, or safety means not otherwise provided for responsive to undesired position of rotor relative to stator or to breaking-off of a part of the rotor, e.g. indicating such position
- F01D21/045—Shutting-down of machines or engines, e.g. in emergency; Regulating, controlling, or safety means not otherwise provided for responsive to undesired position of rotor relative to stator or to breaking-off of a part of the rotor, e.g. indicating such position special arrangements in stators or in rotors dealing with breaking-off of part of rotor
-
- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
- B29B11/00—Making preforms
- B29B11/14—Making preforms characterised by structure or composition
- B29B11/16—Making preforms characterised by structure or composition comprising fillers or reinforcement
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
- B29L2031/00—Other particular articles
- B29L2031/748—Machines or parts thereof not otherwise provided for
- B29L2031/7504—Turbines
-
- D—TEXTILES; PAPER
- D10—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
- D10B—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
- D10B2101/00—Inorganic fibres
- D10B2101/02—Inorganic fibres based on oxides or oxide ceramics, e.g. silicates
- D10B2101/06—Glass
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- D—TEXTILES; PAPER
- D10—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
- D10B—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
- D10B2101/00—Inorganic fibres
- D10B2101/02—Inorganic fibres based on oxides or oxide ceramics, e.g. silicates
- D10B2101/08—Ceramic
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- D—TEXTILES; PAPER
- D10—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
- D10B—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
- D10B2101/00—Inorganic fibres
- D10B2101/10—Inorganic fibres based on non-oxides other than metals
- D10B2101/12—Carbon; Pitch
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- D—TEXTILES; PAPER
- D10—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
- D10B—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
- D10B2403/00—Details of fabric structure established in the fabric forming process
- D10B2403/03—Shape features
- D10B2403/033—Three dimensional fabric, e.g. forming or comprising cavities in or protrusions from the basic planar configuration, or deviations from the cylindrical shape as generally imposed by the fabric forming process
- D10B2403/0331—Three dimensional fabric, e.g. forming or comprising cavities in or protrusions from the basic planar configuration, or deviations from the cylindrical shape as generally imposed by the fabric forming process with one or more convex or concave portions of limited extension, e.g. domes or pouches
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- D—TEXTILES; PAPER
- D10—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
- D10B—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
- D10B2505/00—Industrial
- D10B2505/02—Reinforcing materials; Prepregs
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- D—TEXTILES; PAPER
- D10—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
- D10B—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
- D10B2505/00—Industrial
- D10B2505/12—Vehicles
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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
- F05D2240/00—Components
- F05D2240/10—Stators
- F05D2240/14—Casings or housings protecting or supporting assemblies within
-
- 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
- F05D2250/23—Three-dimensional prismatic
- F05D2250/232—Three-dimensional prismatic conical
-
- 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
- F05D2260/00—Function
- F05D2260/96—Preventing, counteracting or reducing vibration or noise
-
- 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
- F05D2300/603—Composites; e.g. fibre-reinforced
-
- 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
- F05D2300/603—Composites; e.g. fibre-reinforced
- F05D2300/6033—Ceramic matrix composites [CMC]
-
- 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
- F05D2300/614—Fibres or filaments
-
- 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
- F05D2300/615—Filler
-
- 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
- F05D2300/70—Treatment or modification of materials
- F05D2300/702—Reinforcement
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- 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
Definitions
- the invention relates to gas turbine casings, and more particularly, but not exclusively, gas turbine fan casings for aeronautical engines.
- the fan housing performs several functions. It defines in particular the air inlet duct in the engine, possibly supports an abradable material facing the fan blade tips and / or a sound wave absorption structure for the acoustic treatment at the engine inlet. and incorporates or supports a retention shield.
- the housings such as the fan casing
- the housings are now made of composite material, that is to say from a fiber preform densified by an organic matrix, which makes it possible to produce parts having a lower overall mass than these same parts when they are made of metallic material while having a mechanical strength at least equivalent if not greater.
- the manufacture of a fan casing of organic matrix composite material is described in particular in document US Pat. No. 8,322,971.
- the object of the invention is to propose a composite gas turbine casing with increased stiffness, without significantly increasing the size and mass of the casing.
- a gas turbine casing of composite material comprising a reinforcement densified by a matrix, said casing having a form of revolution, characterized in that it comprises at at least one stiffening portion extending along a radius greater than the radius of the upstream and downstream portions of the housing adjacent to said stiffening portion so as to form an annular recess on the inner surface of the housing.
- the casing according to the invention By forming at least one recess in the profile of the casing which does not follow the aerodynamic stream profile usually defined over the entire inner surface of the casing, the casing according to the invention locally has a particular geometry that allows its self-stiffening.
- the casing according to the invention therefore has increased stiffness, without the addition of additional elements, such as dedicated stiffeners attached to the composite material casing, which make the casing more complex and increase its overall mass.
- each stiffening portion has in axial section an omega-type shape.
- each stiffening portion is filled with a material or a filling structure so as to ensure continuity on the inner surface of the housing between the upstream and downstream portions of the casing adjacent to each stiffening portion.
- the annular hollow formed by each stiffening portion is filled with a material or an acoustic attenuation structure.
- the housing of the invention comprises a retention zone having a greater thickness than the rest of the housing, the said stiffening portion or portions being located outside the retention zone.
- the invention also relates to an aeronautical gas turbine engine having a fan retention casing according to the invention and an aircraft comprising one or more of these aeronautical engines.
- the invention also relates to a method of manufacturing a composite material casing for a gas turbine, comprising weaving in one piece by three-dimensional or multi-layer weaving of a fibrous texture in the form of a strip, the shaping of said texture by winding on a support tool and the densification of the fibrous reinforcement by a matrix, characterized in that, when setting in the form, the fibrous texture is shaped so as to obtain a fibrous preform comprising at least one recess portion extending along a radius greater than the radius of the upstream and downstream portions of the preform adjacent to said recess portion, said step portion forming an annular recess on the inner surface of the housing after densification.
- each stiffening portion has in axial section an omega-type shape.
- each stiffening portion is filled with a material or a filling structure so as to ensure continuity on the inner surface of the housing between the upstream and downstream portions of the casing adjacent to each stiffening portion.
- the annular hollow formed by each stiffening portion is filled with a material or an acoustic attenuation structure.
- the fibrous preform comprises a zone of greater thickness than the rest of the fibrous preform which is intended to form a retention zone in the housing, the said part or portion of offset being located outside the thickest part.
- FIG. 1 is a perspective view of an aeronautical engine in accordance with one embodiment of the invention
- FIG. 2 is a half-view seen in axial section of the fan casing of the motor of FIG. 1,
- FIG. 3 is a half-view in axial section of a fan casing according to another embodiment of the invention
- FIG. 4 is a perspective view showing the shaping of a fibrous texture intended to form the reinforcement of the fan casing of FIG. 2,
- FIG. 5 is a half-view in axial section of a preform of the casing of FIG. 2 obtained by winding up the fibrous texture as shown in FIG. 4,
- FIG. 6 is a sectional view showing the positioning of injection sectors on the preform of the casing of FIG. 2 obtained by winding up the fibrous texture as shown in FIG. 4.
- the invention is generally applicable to any casing made of gas turbine organic matrix composite material.
- Such an engine as shown very schematically in FIG. 1 comprises, from upstream to downstream in the direction of flow of gas flow, a fan 1 disposed at the engine inlet, a compressor 2, a combustion chamber 3, a high-pressure turbine 4 and a low-pressure turbine 5.
- the engine is housed inside a housing comprising several parts corresponding to different elements of the engine.
- the fan 1 is surrounded by a fan casing 10 having a shape of revolution.
- FIG. 2 shows the profile (in axial section) of the fan casing 10 which is here made of organic matrix composite material, that is to say from a fiber reinforcement, for example carbon, glass or aramid; or ceramic, densified by a polymer matrix, for example epoxide, bismaleimide or polyimide.
- a fiber reinforcement for example carbon, glass or aramid
- ceramic densified by a polymer matrix, for example epoxide, bismaleimide or polyimide.
- the manufacture of a composite material housing is described in particular in document US Pat. No. 8,322,971.
- the internal surface 11 of the casing defines the air intake duct of the engine.
- the housing 10 may be provided with external flanges 14, 15 at its upstream and downstream ends to allow its mounting and its connection with other elements. Between its upstream and downstream ends, the casing 10 has a variable thickness, a portion 16 of the housing having a greater thickness than the end portions by progressively connecting thereto. Part 16 extends on either side of the blower location, upstream and downstream, to form a retention zone capable of retaining debris, particles or objects ingested at the engine inlet or from damage to the blades of the blower, and projected radially by rotation of the blower, to prevent them from crossing the crankcase and damage other parts of the aircraft.
- the housing 10 further comprises a stiffening portion 17 extending along a radius greater than the radius of the upstream portions 18 and downstream 19 of the housing which are adjacent to the stiffening portion 17 so as to form a hollow annular 171 on the inner surface 11 of the housing 10.
- the stiffening portion 17 is formed by an annular plate 173 offset radially outwardly of the housing relative to the inner surface 11 thereof.
- the annular plate 173 is connected to the upstream and downstream portions 18 which define a portion of the inner surface 11 of the casing respectively by annular uprights 172 and 174.
- the angles ⁇ 72 and ⁇ 7 respectively formed between the uprights 172 and 174 and the upstream portions. 18 and downstream 19 are preferably greater than 90 ° and less than 180 °. These angles are defined in particular according to the stiffness that it is desired to confer on the housing and manufacturing possibilities.
- the height H173 of the plate, corresponding to the radial offset thereof relative to the inner surface 11 of the housing also depends on the stiffness that it is desired to bring to the housing while taking into account the space requirements of the housing for the integration into the engine environment.
- the plate 173 and the posts 172 and 174 have rectilinear profiles (in axial section). However, according to alternative embodiments, these elements may also have slightly curved or wavy profiles.
- the stiffening portion 17 has an omega-like shape which is a form well suited for stiffening.
- 3 illustrates a housing 20 according to the invention which differs from the housing 10 already described in that the annular recess 271, formed by the plate and the annular uprights 273, 272 and 274 defining a stiffening portion 27, is filled by a material or filling structure corresponding here to a honeycomb structure 275 for performing an acoustic attenuation.
- the filling of the annular hollow 271 formed by the stiffening portion 27 ensures a continuity of the inner surface 21 between the upstream portions 28 and downstream 29 and, therefore, not to modify the vein defined by said inner surface of the housing .
- the filling can be carried out with any type of suitable material or structure and in particular a material (eg foam) or a structure (alveolar) for performing an acoustic attenuation treatment.
- a material eg foam
- a structure alveolar
- the height of the plateau of the stiffening portion can also be defined according to the optimum height for acoustic treatment.
- the housing according to the invention may comprise several stiffening portions similar to the stiffening portions 17 and 27 described above. However, the stiffening portion or portions are preferably located outside the retention zone formed by the thickening portion corresponding to the parts 16 and 26 respectively of the casings 10 and 20 already described.
- FIG. 4 shows very schematically a fibrous structure 100 woven in the form of a strip intended to form a fibrous preform of an aircraft engine casing.
- the fibrous structure 100 is obtained by three-dimensional weaving or multilayer weaving carried out in a known manner by means of a jacquard weaving loom on which a bundle of warp yarns 101 or strands in a plurality of layers has been arranged, the warp yarns being linked by weft threads 102.
- the three-dimensional weave is an "interlock” weave.
- interlock weaving is meant here a weave of weaving in which each layer of weft yarn binds several layers of warp yarns with all the yarns of the same weft column having the same movement in the plane of the weave.
- the fibrous structure may in particular be woven from carbon fiber threads, ceramic such as silicon carbide, glass, or aramid.
- the fibrous reinforcement is formed by winding on a mandrel 200 of the fibrous texture 100 produced by three-dimensional weaving with progressive thickness, the mandrel having a profile corresponding to that of the casing to be produced.
- the fibrous reinforcement constitutes a complete tubular fibrous preform of the housing 10 forming a single piece with a stiffener corresponding to the stiffening portion 17.
- the mandrel 200 has an outer surface 201 whose profile corresponds to the inner surface of the housing to be produced. By its winding on the mandrel 200, the fibrous texture 100 matches the profile thereof.
- the mandrel 200 has on its outer surface 201 an annular boss 210 whose shape and dimensions correspond to that of the stiffening portion 17 to form.
- the mandrel 200 also comprises two flanges 220 and 230 for forming fiber preform portions corresponding to the flanges 14 and 15 of the casing 10.
- FIG. 5 shows a sectional view of the fibrous preform 300 obtained after winding the fibrous texture 100 in several layers on mandrel 200.
- the number of layers or turns is a function of the desired thickness and the thickness of the texture fibrous. It is preferably at least 2.
- the preform 300 comprises 4 layers of fibrous texture 100.
- a fibrous preform 300 is obtained with a recess portion 310 extending along a radius greater than the radius of the upstream and downstream portions 311 and 312 of the preform located on each side of the recess portion.
- the recess portion 310 corresponds to the stiffening portion 17 of the casing 10.
- the fiber preform also comprises a portion 320 of greater thickness, corresponding to the portion 16 (retention zone) of the housing and the end portions 330, 340 corresponding to the flanges 14, 15 of the housing.
- the fiber preform 300 is then densified by a matrix.
- the densification of the fiber preform consists in filling the porosity of the preform, in all or part of the volume thereof, with the constituent material of the matrix.
- the matrix can be obtained in a manner known per se according to the liquid method.
- the liquid process consists in impregnating the preform with a liquid composition containing an organic precursor of the matrix material.
- the organic precursor is usually in the form of a polymer, such as a resin, optionally diluted in a solvent.
- the fiber preform is placed in a sealable mold with a housing having the shape of the molded end piece. As illustrated in FIG. 6, the fiber preform 300 is here placed between a plurality of counter-mold sectors 240 and the support mandrel 200, these elements respectively having the outer shape and the inner shape of the casing to be produced. Then, the liquid matrix precursor, for example a resin, is injected throughout the housing to impregnate the entire fibrous portion of the preform.
- the liquid matrix precursor for example a resin
- the transformation of the precursor into an organic matrix is carried out by heat treatment, generally by heating the mold, after removal of the optional solvent and crosslinking of the polymer, the preform being always maintained in the mold having a shape corresponding to that of the piece to realize.
- the organic matrix may in particular be obtained from epoxy resins, such as, for example, the high-performance epoxy resin sold, or liquid precursors of carbon or ceramic matrices.
- the heat treatment consists in pyrolyzing the organic precursor to transform the organic matrix into a carbon or ceramic matrix according to the precursor used and the pyrolysis conditions.
- liquid carbon precursors may be relatively high coke level resins, such as phenolic resins
- liquid precursors of ceramics, in particular of SiC may be resins of the polycarbosilane (PCS) or polytitanocarbosilane (PTCS) or polysilazane (PSZ) type.
- PCS polycarbosilane
- PTCS polytitanocarbosilane
- PSZ polysilazane
- the densification of the fiber preform can be carried out by the well-known method of RTM ("Resin Transfer Molding") transfer molding.
- RTM Resin Transfer Molding
- the fiber preform is placed in a mold having the shape of the casing to be produced.
- a thermosetting resin is injected into the internal space delimited between the piece of rigid material and the mold and which comprises the fibrous preform.
- a pressure gradient is generally established in this internal space between the place where the resin is injected and the evacuation ports of the latter in order to control and optimize the impregnation of the preform with the resin.
- the resin used may be, for example, an epoxy resin.
- Suitable resins for RTM methods are well known. They preferably have a low viscosity to facilitate their injection into the fibers. The choice of the temperature class and / or the chemical nature of the resin is determined according to the thermomechanical stresses to which the piece must be subjected. Once the resin is injected into the entire reinforcement, it is polymerized by heat treatment in accordance with the RTM method.
- the part After injection and polymerization, the part is demolded. Finally, the piece is cut away to remove the excess resin and the chamfers are machined to obtain the housing 10 illustrated in Figures 1 and 2.
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Textile Engineering (AREA)
- Composite Materials (AREA)
- General Engineering & Computer Science (AREA)
- Inorganic Chemistry (AREA)
- Moulding By Coating Moulds (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
- Soundproofing, Sound Blocking, And Sound Damping (AREA)
- Turbine Rotor Nozzle Sealing (AREA)
Abstract
Description
Claims
Priority Applications (8)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202210372974.7A CN114670463B (zh) | 2014-08-22 | 2015-08-17 | 由具有有机基体的复合材料构成的自增强壳体 |
RU2017109261A RU2703206C2 (ru) | 2014-08-22 | 2015-08-17 | Самоусиленный корпус, состоящий из композиционного материала с органической матрицей |
BR112017003515-4A BR112017003515B1 (pt) | 2014-08-22 | 2015-08-17 | Invólucro de turbina a gás de material compósito, motor aeronáutico com turbina a gás, aeronave, e, método de fabricação de um invólucro de material compósito |
US15/505,437 US11306608B2 (en) | 2014-08-22 | 2015-08-17 | Self-stiffened casing consisting of a composite material with an organic matrix |
CN201580044579.4A CN106794639A (zh) | 2014-08-22 | 2015-08-17 | 由具有有机基体的复合材料构成的自增强壳体 |
CA2957608A CA2957608C (fr) | 2014-08-22 | 2015-08-17 | Carter en materiau composite a matrice organique auto-raidi |
JP2017510520A JP6734261B2 (ja) | 2014-08-22 | 2015-08-17 | 有機マトリックスを伴う複合材料から成る自己補剛ケーシング |
EP15760216.0A EP3183111B1 (fr) | 2014-08-22 | 2015-08-17 | Carter en materiau composite a matrice organique et son procede de fabrication |
Applications Claiming Priority (4)
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US201462040680P | 2014-08-22 | 2014-08-22 | |
US62/040,680 | 2014-08-22 | ||
FR1550278 | 2015-01-14 | ||
FR1550278A FR3031469B1 (fr) | 2015-01-14 | 2015-01-14 | Carter en materiau composite a matrice organique auto-raidi |
Publications (1)
Publication Number | Publication Date |
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WO2016027030A1 true WO2016027030A1 (fr) | 2016-02-25 |
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PCT/FR2015/052213 WO2016027030A1 (fr) | 2014-08-22 | 2015-08-17 | Carter en matériau composite à matrice organique auto-raidi |
Country Status (9)
Country | Link |
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US (1) | US11306608B2 (fr) |
EP (1) | EP3183111B1 (fr) |
JP (1) | JP6734261B2 (fr) |
CN (1) | CN106794639A (fr) |
BR (1) | BR112017003515B1 (fr) |
CA (1) | CA2957608C (fr) |
FR (1) | FR3031469B1 (fr) |
RU (1) | RU2703206C2 (fr) |
WO (1) | WO2016027030A1 (fr) |
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FR3070624A1 (fr) * | 2017-09-06 | 2019-03-08 | Safran Aircraft Engines | Carter en materiau composite a geometrie raidissante |
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US20170191498A1 (en) * | 2015-12-30 | 2017-07-06 | General Electric Company | Graphene ultra-conductive casing wrap |
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JP6496360B2 (ja) * | 2017-06-29 | 2019-04-03 | ファナック株式会社 | 樹脂複合板の製造方法 |
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FR3070186B1 (fr) * | 2017-08-21 | 2021-06-11 | Safran Aircraft Engines | Tuyere secondaire modifiee acoustique |
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FR3074088B1 (fr) * | 2017-11-30 | 2021-02-12 | Safran Aircraft Engines | Carter en materiau composite renforce et son procede de fabrication |
FR3084089B1 (fr) * | 2018-07-23 | 2020-10-02 | Safran | Texture fibreuse pour carter en materiau composite a resistance au cisaillement amelioree |
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FR3093298B1 (fr) * | 2019-03-01 | 2021-03-12 | Safran | Réparation ou reprise de fabrication d’une pièce en matériau composite |
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US11549380B2 (en) | 2019-11-21 | 2023-01-10 | Raytheon Technologies Corporation | Contour weaving to form airfoil |
US11199106B1 (en) * | 2020-08-21 | 2021-12-14 | Hamilton Sundstrand Corporation | Blade containment device |
FR3114043B1 (fr) * | 2020-09-16 | 2022-09-09 | Safran Aircraft Engines | Moule pour la fabrication d’un carter de soufflante de turbomachine en matériau composite à dilatation différentielle |
CN114542516B (zh) * | 2020-11-26 | 2024-08-30 | 中国航发商用航空发动机有限责任公司 | 复合材料机匣及其制造方法 |
FR3122900A1 (fr) * | 2021-05-11 | 2022-11-18 | Safran Ventilation Systems | Dispositif pour la realisation d’un ventilateur ou compresseur pour l’industrie aeronautique |
FR3141637A1 (fr) | 2022-11-09 | 2024-05-10 | Safran Aircraft Engines | Texture fibreuse pour carter en matériau composite auto-raidi |
US12078083B2 (en) * | 2022-12-20 | 2024-09-03 | Rtx Corporation | Contour weaves for interwoven vanes |
FR3145889A1 (fr) | 2023-02-20 | 2024-08-23 | Safran Aircraft Engines | Texture fibreuse pour carter en matériau composite comprenant un raidisseur en oméga |
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- 2015-08-17 JP JP2017510520A patent/JP6734261B2/ja active Active
- 2015-08-17 RU RU2017109261A patent/RU2703206C2/ru active
- 2015-08-17 CA CA2957608A patent/CA2957608C/fr active Active
- 2015-08-17 CN CN201580044579.4A patent/CN106794639A/zh active Pending
- 2015-08-17 WO PCT/FR2015/052213 patent/WO2016027030A1/fr active Application Filing
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Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR3058343A1 (fr) * | 2016-11-04 | 2018-05-11 | Safran Aircraft Engines | Systeme d'usinage ameliore d'une bride de fixation d'un carter de turbomachine d'aeronef |
US10675691B2 (en) | 2016-11-04 | 2020-06-09 | Safran Aircraft Engines | Method for machining an attachment flange of an aircraft turbomachine case |
FR3070624A1 (fr) * | 2017-09-06 | 2019-03-08 | Safran Aircraft Engines | Carter en materiau composite a geometrie raidissante |
CN109458362A (zh) * | 2017-09-06 | 2019-03-12 | 赛峰航空器发动机 | 加强形状的复合材料壳体 |
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Also Published As
Publication number | Publication date |
---|---|
CA2957608C (fr) | 2023-09-12 |
US11306608B2 (en) | 2022-04-19 |
JP2017533369A (ja) | 2017-11-09 |
CA2957608A1 (fr) | 2016-02-25 |
BR112017003515A2 (pt) | 2017-12-05 |
FR3031469A1 (fr) | 2016-07-15 |
EP3183111A1 (fr) | 2017-06-28 |
JP6734261B2 (ja) | 2020-08-05 |
BR112017003515B1 (pt) | 2021-12-14 |
US20170266893A1 (en) | 2017-09-21 |
CN114670463A (zh) | 2022-06-28 |
CN106794639A (zh) | 2017-05-31 |
RU2017109261A (ru) | 2018-09-24 |
FR3031469B1 (fr) | 2017-09-22 |
RU2017109261A3 (fr) | 2019-02-25 |
RU2703206C2 (ru) | 2019-10-15 |
EP3183111B1 (fr) | 2021-12-15 |
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