RU2017118460A - Композитная лопатка, содержащая полку с элементом жесткости - Google Patents
Композитная лопатка, содержащая полку с элементом жесткости Download PDFInfo
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- RU2017118460A RU2017118460A RU2017118460A RU2017118460A RU2017118460A RU 2017118460 A RU2017118460 A RU 2017118460A RU 2017118460 A RU2017118460 A RU 2017118460A RU 2017118460 A RU2017118460 A RU 2017118460A RU 2017118460 A RU2017118460 A RU 2017118460A
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- Prior art keywords
- transverse section
- width
- strip
- blade
- shelf
- Prior art date
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- 239000002131 composite material Substances 0.000 title claims 2
- 239000003351 stiffener Substances 0.000 claims 5
- 210000003746 feather Anatomy 0.000 claims 3
- 230000015572 biosynthetic process Effects 0.000 claims 2
- 230000007423 decrease Effects 0.000 claims 2
- 210000001991 scapula Anatomy 0.000 claims 2
- 239000011159 matrix material Substances 0.000 claims 1
- 238000009941 weaving Methods 0.000 claims 1
Classifications
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- 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
- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29D—PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE
- B29D99/00—Subject matter not provided for in other groups of this subclass
- B29D99/0025—Producing blades or the like, e.g. blades for turbines, propellers, or wings
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B35/00—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
- C04B35/71—Ceramic products containing macroscopic reinforcing agents
- C04B35/78—Ceramic products containing macroscopic reinforcing agents containing non-metallic materials
- C04B35/80—Fibres, filaments, whiskers, platelets, or the like
-
- D—TEXTILES; PAPER
- D03—WEAVING
- D03D—WOVEN FABRICS; METHODS OF WEAVING; LOOMS
- D03D25/00—Woven fabrics not otherwise provided for
- D03D25/005—Three-dimensional woven fabrics
-
- 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
- F01D11/005—Sealing means between non relatively rotating elements
- F01D11/006—Sealing the gap between rotor blades or blades and 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
- 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
- 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
- F01D5/28—Selecting particular materials; Particular measures relating thereto; Measures against erosion or corrosion
-
- 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
- F01D5/28—Selecting particular materials; Particular measures relating thereto; Measures against erosion or corrosion
- F01D5/282—Selecting composite materials, e.g. blades with reinforcing filaments
-
- 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
- F01D5/28—Selecting particular materials; Particular measures relating thereto; Measures against erosion or corrosion
- F01D5/284—Selection of ceramic materials
-
- 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
- F01D5/30—Fixing blades to rotors; Blade roots ; Blade spacers
- F01D5/3007—Fixing blades to rotors; Blade roots ; Blade spacers of axial insertion 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
- F01D5/34—Rotor-blade aggregates of unitary construction, e.g. formed of sheet laminae
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- 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
- B29L2031/08—Blades for rotors, stators, fans, turbines or the like, e.g. screw propellers
-
- 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
-
- 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
- F05D2220/36—Application in turbines specially adapted for the fan of turbofan engines
-
- 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
- F05D2230/20—Manufacture essentially without removing material
-
- 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
- F05D2240/80—Platforms for stationary or moving blades
-
- 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
- F05D2250/70—Shape
- F05D2250/75—Shape given by its similarity to a letter, e.g. T-shaped
-
- 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
- F05D2300/601—Fabrics
- F05D2300/6012—Woven fabrics
-
- 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
- F05D2300/603—Composites; e.g. fibre-reinforced
- F05D2300/6034—Orientation of fibres, weaving, ply angle
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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
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- General Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Ceramic Engineering (AREA)
- Composite Materials (AREA)
- Textile Engineering (AREA)
- Architecture (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Manufacturing & Machinery (AREA)
- Structural Engineering (AREA)
- Organic Chemistry (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
- Turbine Rotor Nozzle Sealing (AREA)
- Moulding By Coating Moulds (AREA)
- Woven Fabrics (AREA)
- Reinforced Plastic Materials (AREA)
Claims (25)
1. Волокнистая заготовка для лопатки газотурбинного двигателя, полученная посредством трехмерного тканья, содержащая:
первый продольный участок (31), предназначенный образования хвостовика (21) лопатки,
второй продольный участок (32), продолжающий вверх первый продольный участок (31) и предназначенный для образования пера (22),
первый поперечный участок (33), проходящий поперечно от соединения между первым и вторым продольными участками (31, 32), предназначенный для образования первой полки (23), и
первую полосу (35) жесткости, проходящую вниз от дальнего края первого поперечного участка (33), предназначенную для образования первого элемента (25) жесткости полки.
2. Заготовка по п. 1, в которой ширина (L5) первой полосы (35) жесткости является переменной.
3. Заготовка по п. 1 или 2, в которой первая полоса (35) жесткости проходит вдоль всего дальнего края первого поперечного участка (33).
4. Заготовка по п. 3, в которой ширина (L5) первой полосы (35) жесткости является минимальной на уровне, где ширина (L3) первого поперечного участка (33) является максимальной, и
ширина (L5) первой полосы (35) жесткости является максимальной на уровне, где ширина (L3) первого поперечного участка (33) является минимальной.
5. Заготовка по п. 3 или 4, в которой, если следовать вдоль дальнего края первого поперечного участка (33), ширина (L5) первой полосы (35) жесткости увеличивается, когда ширина (L3) первого поперечного участка (33) уменьшается, и уменьшается, когда ширина (L3) первого поперечного участка (33) увеличивается.
6. Заготовка по п. 5, в которой (L5) ширина первой полосы (35) жесткости в заданной продольной плоскости обратно пропорциональна ширине (L3) первого поперечного участка (33) в указанной продольной плоскости.
7. Заготовка по любому из пп. 1–6, в которой первая полоса (35) жесткости образует с первым поперечным участком (33) угол (λ), составляющий от 60° до 89°, предпочтительно от 75° до 85°.
8. Заготовка по любому из пп. 1–7, содержащая второй поперечный участок (34), проходящий поперечно от соединения между первым и вторым продольными участками (31, 32) на уровне и противоположно первому поперечному участку (33) и предназначенный для образования второй полки (24), и
вторую полосу (36) жесткости, проходящую вниз от дальнего края второго поперечного участка (34) и предназначенную для образования второго элемента (26) жесткости полки.
9. Заготовка по п. 8, в которой первый поперечный участок (33) предназначен для образования полки (23) со стороны всасывания лопатки (10), а второй поперечный участок (34) предназначен для образования полки (24) со стороны нагнетания лопатки (10), причем
ширина (L5) первой полосы (35) жесткости, предназначенной для образования элемента (25) жесткости полки (23) стороны всасывания, больше в ее срединной зоне, чем на ее входном и выходном концах, и
ширина (L6) второй полосы (36) жесткости, предназначенной для образования элемента (26) жесткости полки (24) стороны нагнетания, меньше в ее срединной зоне, чем на ее входном и выходном концах.
10. Лопатка для газотурбинного двигателя, содержащая
хвостовик (21) лопатки,
перо (22), проходящее вверх от хвостовика лопатки,
полку (23), расположенную поперечно перу (22) на уровне соединения между хвостовиком (21) лопатки и пером (22), и
элемент (25) жесткости, имеющий форму полосы, проходящей вниз вдоль дальнего края полки (23).
11. Лопатка по п. 10, выполненная в виде единой детали из композиционного материала из волокнистой заготовки (30) по любому из пп. 1–9, при этом указанная заготовка (30) сформована в пресс-форме и заделана в матрицу предпочтительно органического типа.
12. Лопаточное колесо для газотурбинного двигателя, содержащее множество лопаток (10) по п. 11.
13. Газотурбинный двигатель, содержащий по меньшей мере одну лопатку (10) по п.11 или лопаточное колесо (2) по п. 12.
Applications Claiming Priority (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US201462072632P | 2014-10-30 | 2014-10-30 | |
US62/072,632 | 2014-10-30 | ||
FR1555064A FR3037097B1 (fr) | 2015-06-03 | 2015-06-03 | Aube composite comprenant une plateforme munie d'un raidisseur |
FR1555064 | 2015-06-03 | ||
PCT/FR2015/052898 WO2016066954A1 (fr) | 2014-10-30 | 2015-10-28 | Aube composite comprenant une plateforme munie d'un raidisseur |
Publications (3)
Publication Number | Publication Date |
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RU2017118460A true RU2017118460A (ru) | 2018-11-30 |
RU2017118460A3 RU2017118460A3 (ru) | 2019-03-25 |
RU2690350C2 RU2690350C2 (ru) | 2019-05-31 |
Family
ID=53801048
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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RU2017118460A RU2690350C2 (ru) | 2014-10-30 | 2015-10-28 | Композитная лопатка, содержащая полку с элементом жесткости |
Country Status (9)
Country | Link |
---|---|
US (1) | US10556367B2 (ru) |
EP (1) | EP3212373B1 (ru) |
JP (1) | JP6732743B2 (ru) |
CN (1) | CN107075959B (ru) |
BR (1) | BR112017008832B1 (ru) |
CA (1) | CA2966302C (ru) |
FR (1) | FR3037097B1 (ru) |
RU (1) | RU2690350C2 (ru) |
WO (1) | WO2016066954A1 (ru) |
Families Citing this family (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR3037097B1 (fr) * | 2015-06-03 | 2017-06-23 | Snecma | Aube composite comprenant une plateforme munie d'un raidisseur |
FR3035676B1 (fr) * | 2015-04-29 | 2017-05-12 | Snecma | Aube munie de plateformes possedant un raidisseur |
FR3035675B1 (fr) * | 2015-04-29 | 2017-05-12 | Snecma | Aube munie de plateformes comportant des inserts |
FR3060065B1 (fr) | 2016-12-12 | 2020-10-23 | Safran Aircraft Engines | Ensemble de pieces de turbomachine avec une aube de soufflante a plateforme integree et turbomachine correspondante |
FR3063448B1 (fr) * | 2017-03-01 | 2019-04-05 | Safran Aircraft Engines | Preforme et aube monobloc pour turbomachine |
FR3066531B1 (fr) | 2017-05-19 | 2019-05-03 | Safran Aircraft Engines | Aube en materiau composite et a plateforme integree pour une turbomachine d'aeronef |
US11035239B2 (en) * | 2018-10-25 | 2021-06-15 | General Electric Company | Ceramic matrix composite turbine nozzle shell and method of assembly |
FR3100270B1 (fr) * | 2019-08-28 | 2021-07-30 | Safran Aircraft Engines | Hybridation des fibres du renfort fibreux d’une aube de soufflante |
IT202000004585A1 (it) * | 2020-03-04 | 2021-09-04 | Nuovo Pignone Tecnologie Srl | Turbina e pala perfezionate per la protezione della radice dai gas caldi del percorso del flusso. |
US11454118B2 (en) * | 2020-09-04 | 2022-09-27 | General Electric Company | Gas turbine engine rotor blade having a root section with composite and metallic portions |
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US4580946A (en) | 1984-11-26 | 1986-04-08 | General Electric Company | Fan blade platform seal |
US5080142A (en) * | 1989-04-06 | 1992-01-14 | Hitco | Integrally woven multi-apertured multi-layer angle interlock fabrics |
US5358758A (en) * | 1989-12-06 | 1994-10-25 | Albany International Corp. | Structural member |
FR2665726B1 (fr) * | 1990-08-08 | 1993-07-02 | Snecma | Soufflante de turbomachine a amortisseur dynamique a cames. |
US5271718A (en) * | 1992-08-11 | 1993-12-21 | General Electric Company | Lightweight platform blade |
US5573377A (en) * | 1995-04-21 | 1996-11-12 | General Electric Company | Assembly of a composite blade root and a rotor |
FR2739136B1 (fr) * | 1995-09-21 | 1997-10-31 | Snecma | Agencement amortissant pour des aubes de rotor |
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-
2015
- 2015-06-03 FR FR1555064A patent/FR3037097B1/fr active Active
- 2015-10-28 CA CA2966302A patent/CA2966302C/fr active Active
- 2015-10-28 EP EP15800881.3A patent/EP3212373B1/fr active Active
- 2015-10-28 BR BR112017008832-0A patent/BR112017008832B1/pt active IP Right Grant
- 2015-10-28 RU RU2017118460A patent/RU2690350C2/ru active
- 2015-10-28 WO PCT/FR2015/052898 patent/WO2016066954A1/fr active Application Filing
- 2015-10-28 CN CN201580059464.2A patent/CN107075959B/zh active Active
- 2015-10-28 US US15/522,848 patent/US10556367B2/en active Active
- 2015-10-28 JP JP2017523342A patent/JP6732743B2/ja active Active
Also Published As
Publication number | Publication date |
---|---|
RU2690350C2 (ru) | 2019-05-31 |
CA2966302A1 (fr) | 2016-05-06 |
US20170326757A1 (en) | 2017-11-16 |
BR112017008832A2 (pt) | 2018-03-27 |
CN107075959B (zh) | 2020-08-04 |
FR3037097A1 (fr) | 2016-12-09 |
US10556367B2 (en) | 2020-02-11 |
FR3037097B1 (fr) | 2017-06-23 |
WO2016066954A1 (fr) | 2016-05-06 |
CN107075959A (zh) | 2017-08-18 |
JP6732743B2 (ja) | 2020-07-29 |
JP2018502241A (ja) | 2018-01-25 |
EP3212373B1 (fr) | 2018-09-12 |
CA2966302C (fr) | 2022-09-20 |
EP3212373A1 (fr) | 2017-09-06 |
BR112017008832B1 (pt) | 2021-10-13 |
RU2017118460A3 (ru) | 2019-03-25 |
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