IT1183344B - Profili aerodinamici composti cavi con struttura interna di sostegno corrugata e metodo per fabbricare i medesimi - Google Patents
Profili aerodinamici composti cavi con struttura interna di sostegno corrugata e metodo per fabbricare i medesimiInfo
- Publication number
- IT1183344B IT1183344B IT19493/85A IT1949385A IT1183344B IT 1183344 B IT1183344 B IT 1183344B IT 19493/85 A IT19493/85 A IT 19493/85A IT 1949385 A IT1949385 A IT 1949385A IT 1183344 B IT1183344 B IT 1183344B
- Authority
- IT
- Italy
- Prior art keywords
- cables
- manufacturing
- support structure
- same
- aerodynamic profiles
- Prior art date
Links
- 238000004519 manufacturing process Methods 0.000 title 1
- 238000000034 method Methods 0.000 title 1
Classifications
-
- 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
- B29C70/46—Shaping or impregnating by compression not applied for producing articles of definite length, i.e. discrete articles using matched moulds, e.g. for deforming sheet moulding compounds [SMC] or prepregs
-
- 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
- B29C70/74—Moulding material on a relatively small portion of the preformed part, e.g. outsert moulding
-
- 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
- B29D24/00—Producing articles with hollow walls
- B29D24/002—Producing articles with hollow walls formed with structures, e.g. cores placed between two plates or sheets, e.g. partially filled
-
- 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
- B29D99/0028—Producing blades or the like, e.g. blades for turbines, propellers, or wings hollow blades
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B3/00—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shape; Layered products comprising a layer having particular features of form
- B32B3/26—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shape; Layered products comprising a layer having particular features of form characterised by a particular shape of the outline of the cross-section of a continuous layer; characterised by a layer with cavities or internal voids ; characterised by an apertured layer
- B32B3/28—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shape; Layered products comprising a layer having particular features of form characterised by a particular shape of the outline of the cross-section of a continuous layer; characterised by a layer with cavities or internal voids ; characterised by an apertured layer characterised by a layer comprising a deformed thin sheet, i.e. the layer having its entire thickness deformed out of the plane, e.g. corrugated, crumpled
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B5/00—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts
- B32B5/22—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by the presence of two or more layers which are next to each other and are fibrous, filamentary, formed of particles or foamed
- B32B5/24—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by the presence of two or more layers which are next to each other and are fibrous, filamentary, formed of particles or foamed one layer being a fibrous or filamentary layer
- B32B5/28—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by the presence of two or more layers which are next to each other and are fibrous, filamentary, formed of particles or foamed one layer being a fibrous or filamentary layer impregnated with or embedded in a plastic substance
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64C—AEROPLANES; HELICOPTERS
- B64C11/00—Propellers, e.g. of ducted type; Features common to propellers and rotors for rotorcraft
- B64C11/16—Blades
- B64C11/20—Constructional features
- B64C11/26—Fabricated 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
- F01D5/14—Form or construction
- F01D5/147—Construction, i.e. structural features, e.g. of weight-saving hollow blades
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
- B29K2105/00—Condition, form or state of moulded material or of the material to be shaped
- B29K2105/06—Condition, form or state of moulded material or of the material to be shaped containing reinforcements, fillers or inserts
- B29K2105/08—Condition, form or state of moulded material or of the material to be shaped containing reinforcements, fillers or inserts of continuous length, e.g. cords, rovings, mats, fabrics, strands or yarns
- B29K2105/0809—Fabrics
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
- B29K2705/00—Use of metals, their alloys or their compounds, for preformed parts, e.g. for inserts
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2260/00—Layered product comprising an impregnated, embedded, or bonded layer wherein the layer comprises an impregnation, embedding, or binder material
- B32B2260/02—Composition of the impregnated, bonded or embedded layer
- B32B2260/021—Fibrous or filamentary layer
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2260/00—Layered product comprising an impregnated, embedded, or bonded layer wherein the layer comprises an impregnation, embedding, or binder material
- B32B2260/04—Impregnation, embedding, or binder material
- B32B2260/046—Synthetic resin
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2262/00—Composition or structural features of fibres which form a fibrous or filamentary layer or are present as additives
- B32B2262/10—Inorganic fibres
- B32B2262/101—Glass fibres
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2262/00—Composition or structural features of fibres which form a fibrous or filamentary layer or are present as additives
- B32B2262/10—Inorganic fibres
- B32B2262/106—Carbon fibres, e.g. graphite fibres
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2307/00—Properties of the layers or laminate
- B32B2307/50—Properties of the layers or laminate having particular mechanical properties
- B32B2307/56—Damping, energy absorption
-
- 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)
- Composite Materials (AREA)
- Architecture (AREA)
- General Engineering & Computer Science (AREA)
- Aviation & Aerospace Engineering (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
- Turbine Rotor Nozzle Sealing (AREA)
- Laminated Bodies (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US57963284A | 1984-02-13 | 1984-02-13 |
Publications (2)
Publication Number | Publication Date |
---|---|
IT8519493A0 IT8519493A0 (it) | 1985-02-13 |
IT1183344B true IT1183344B (it) | 1987-10-22 |
Family
ID=24317706
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
IT19493/85A IT1183344B (it) | 1984-02-13 | 1985-02-13 | Profili aerodinamici composti cavi con struttura interna di sostegno corrugata e metodo per fabbricare i medesimi |
Country Status (5)
Country | Link |
---|---|
JP (1) | JPS60198304A (it) |
DE (1) | DE3504378A1 (it) |
FR (1) | FR2559422B1 (it) |
GB (1) | GB2154286A (it) |
IT (1) | IT1183344B (it) |
Families Citing this family (38)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5056738A (en) * | 1989-09-07 | 1991-10-15 | General Electric Company | Damper assembly for a strut in a jet propulsion engine |
FR2656340B1 (fr) * | 1989-12-22 | 1994-05-06 | Isofran | Ame textile, procede de fabrication et produit composite obtenu avec une telle ame textile. |
GB9024387D0 (en) * | 1990-11-09 | 1991-01-02 | British Aerospace | Carbon fibre composite wing manufacture |
US5141400A (en) * | 1991-01-25 | 1992-08-25 | General Electric Company | Wide chord fan blade |
US5129787A (en) * | 1991-02-13 | 1992-07-14 | United Technologies Corporation | Lightweight propulsor blade with internal spars and rigid base members |
JP2808500B2 (ja) * | 1991-08-23 | 1998-10-08 | 三菱重工業株式会社 | ガスタービンの中空ファン動翼 |
GB9202982D0 (en) * | 1992-02-13 | 1992-03-25 | Preci Spark Ltd | Reinforced vane |
US5509783A (en) * | 1993-02-09 | 1996-04-23 | Preci-Spark, Ltd. | Reinforced vane |
US5885059A (en) * | 1996-12-23 | 1999-03-23 | Sikorsky Aircraft Corporation | Composite tip cap assembly for a helicopter main rotor blade |
FR2760398B1 (fr) * | 1997-03-06 | 1999-04-16 | Snecma | Procede de realisation de pieces creuses de precision en materiau composite |
AU2411999A (en) * | 1998-02-24 | 1999-09-15 | Lm Glasfiber A/S | Wind turbine blade |
DE19959598A1 (de) * | 1999-12-10 | 2001-06-13 | Rolls Royce Deutschland | Verfahren zum Herstellen einer Schaufel einer Strömungsmaschine |
GB0003029D0 (en) * | 2000-02-11 | 2000-03-29 | British Aerospace | A method of reinforcing a laminated member such as a skin for an aircraft |
AU2003228764A1 (en) | 2002-04-29 | 2003-11-17 | Rolls-Royce Naval Marine, Inc. | Propeller |
GB2402716B (en) * | 2003-06-10 | 2006-08-16 | Rolls Royce Plc | A damped aerofoil structure |
US7481573B2 (en) * | 2005-06-30 | 2009-01-27 | Spx Corporation | Mixing impeller with pre-shaped tip elements |
US7740910B2 (en) | 2006-11-27 | 2010-06-22 | Lockheed Martin Corporation | Method for epoxy application control overpresses |
US20080159851A1 (en) * | 2006-12-29 | 2008-07-03 | Thomas Ory Moniz | Guide Vane and Method of Fabricating the Same |
GB0717009D0 (en) * | 2007-09-01 | 2007-10-10 | Rolls Royce Plc | A component structure |
GB0822909D0 (en) | 2008-12-17 | 2009-01-21 | Rolls Royce Plc | Airfoil |
EP2369134A1 (en) * | 2010-03-12 | 2011-09-28 | Industria de Turbo Propulsores S.A. | Turbine blade with cavities for the reduction of weight and vibrations |
JP5660883B2 (ja) * | 2010-12-22 | 2015-01-28 | 三菱日立パワーシステムズ株式会社 | 蒸気タービンの静翼、蒸気タービン |
FR2974593B1 (fr) * | 2011-04-28 | 2015-11-13 | Snecma | Moteur a turbine comportant une protection metallique d'une piece composite |
JP5205499B2 (ja) * | 2011-08-11 | 2013-06-05 | 橋田技研工業株式会社 | 蒸気タービン用静翼の製造法 |
US10260372B2 (en) | 2015-01-29 | 2019-04-16 | United Technologies Corporation | Vibration damping assembly and method of damping vibration in a gas turbine engine |
CN107539461A (zh) * | 2016-06-29 | 2018-01-05 | 山东龙翼航空科技有限公司 | 一种无人机用螺旋桨 |
US20180086429A1 (en) * | 2016-09-28 | 2018-03-29 | The Boeing Company | Airfoil-Shaped Body Having Composite Base Skin with Integral Hat-Shaped Spar |
US10167076B1 (en) * | 2017-12-12 | 2019-01-01 | Kitty Hawk Corporation | Corrugated lift fan rotor |
CN110953112B (zh) * | 2018-09-27 | 2021-03-23 | 大连理工大学 | 一种垂直轴叶片及其成型方法 |
CN111941896A (zh) * | 2020-07-27 | 2020-11-17 | 明阳智慧能源集团股份公司 | 一种提升风力发电机叶片阻尼性能的方法 |
RU2763086C1 (ru) * | 2020-10-22 | 2021-12-27 | Акционерное общество "Центр судоремонта "Звездочка" (АО "ЦС "Звездочка") | Способ изготовления гребного винта |
US20220347949A1 (en) * | 2021-04-28 | 2022-11-03 | Safran Aircraft Engines | Device for shaping a fibrous preform for producing a bladed part of a turbomachine |
CN115324931B (zh) * | 2021-05-11 | 2024-01-30 | 中国航发商用航空发动机有限责任公司 | 风扇叶片、风扇转子组件和航空发动机 |
US11780179B2 (en) * | 2021-09-02 | 2023-10-10 | Rohr, Inc. | Thermoplastic composite panel with corrugated peaks and troughs stiffening systems and methods |
US11993388B2 (en) | 2021-09-02 | 2024-05-28 | Rohr, Inc. | Corrugated stiffening devices utilizing peaks and valleys and methods of manufacture |
US12014712B2 (en) | 2021-09-02 | 2024-06-18 | Rohr, Inc. | Corrugated acoustic stiffening devices and methods |
FR3128156B1 (fr) * | 2021-10-20 | 2023-11-17 | Safran | Procédé de fabrication d’une aube comprenant une cavité renforcée |
FR3128155B1 (fr) * | 2021-10-20 | 2023-11-10 | Safran | Procédé de fabrication d’une aube comprenant une cavité renforcée |
Family Cites Families (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB577790A (en) * | 1938-08-29 | 1946-05-31 | Norman Adrian De Bruyne | Improvements relating to the manufacture of light non-metallic structural material or components |
US2642263A (en) * | 1951-01-05 | 1953-06-16 | Westinghouse Electric Corp | Blade apparatus |
GB778685A (en) * | 1953-11-20 | 1957-07-10 | Bristol Aircraft Ltd | Improvements in or relating to the construction and manufacture of aerofoils and thelike |
US3095180A (en) * | 1959-03-05 | 1963-06-25 | Stalker Corp | Blades for compressors, turbines and the like |
US3357850A (en) * | 1963-05-09 | 1967-12-12 | Gen Electric | Vibration damping turbomachinery blade |
US3365124A (en) * | 1966-02-21 | 1968-01-23 | Gen Electric | Compressor structure |
DE1776015A1 (de) * | 1968-09-04 | 1971-09-16 | Daimler Benz Ag | Turbinenschaufel |
US3695778A (en) * | 1970-09-18 | 1972-10-03 | Trw Inc | Turbine blade |
US4221539A (en) * | 1977-04-20 | 1980-09-09 | The Garrett Corporation | Laminated airfoil and method for turbomachinery |
FR2453294A1 (fr) * | 1979-04-04 | 1980-10-31 | Snecma | Dispositif de fixation d'aubes sur un rotor de compresseur pour turbo-reacteur |
-
1985
- 1985-02-04 GB GB08502793A patent/GB2154286A/en not_active Withdrawn
- 1985-02-06 FR FR8501662A patent/FR2559422B1/fr not_active Expired
- 1985-02-08 DE DE19853504378 patent/DE3504378A1/de not_active Withdrawn
- 1985-02-13 IT IT19493/85A patent/IT1183344B/it active
- 1985-02-13 JP JP60024600A patent/JPS60198304A/ja active Pending
Also Published As
Publication number | Publication date |
---|---|
GB2154286A (en) | 1985-09-04 |
DE3504378A1 (de) | 1985-08-14 |
JPS60198304A (ja) | 1985-10-07 |
GB8502793D0 (en) | 1985-03-06 |
IT8519493A0 (it) | 1985-02-13 |
FR2559422A1 (fr) | 1985-08-16 |
FR2559422B1 (fr) | 1987-01-16 |
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