EP2909009A4 - An integrated curved structure and winglet strength enhancement - Google Patents
An integrated curved structure and winglet strength enhancementInfo
- Publication number
- EP2909009A4 EP2909009A4 EP12887291.8A EP12887291A EP2909009A4 EP 2909009 A4 EP2909009 A4 EP 2909009A4 EP 12887291 A EP12887291 A EP 12887291A EP 2909009 A4 EP2909009 A4 EP 2909009A4
- Authority
- EP
- European Patent Office
- Prior art keywords
- winglet
- curved structure
- strength enhancement
- integrated curved
- integrated
- 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.)
- Withdrawn
Links
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
- B29C70/06—Fibrous reinforcements only
- B29C70/10—Fibrous reinforcements only characterised by the structure of fibrous reinforcements, e.g. hollow fibres
- B29C70/12—Fibrous reinforcements only characterised by the structure of fibrous reinforcements, e.g. hollow fibres using fibres of short length, e.g. in the form of a mat
- B29C70/14—Fibrous reinforcements only characterised by the structure of fibrous reinforcements, e.g. hollow fibres using fibres of short length, e.g. in the form of a mat oriented
-
- 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
- B29C70/08—Fibrous reinforcements only comprising combinations of different forms of fibrous reinforcements incorporated in matrix material, forming one or more layers, and with or without non-reinforced layers
- B29C70/081—Combinations of fibres of continuous or substantial length and short fibres
-
- 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
- B29C70/30—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
- B29C70/302—Details of the edges of fibre composites, e.g. edge finishing or means to avoid delamination
-
- 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
- B32B5/02—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 structural features of a fibrous or filamentary layer
- B32B5/024—Woven fabric
-
- 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
- B32B5/02—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 structural features of a fibrous or filamentary layer
- B32B5/12—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 structural features of a fibrous or filamentary layer characterised by the relative arrangement of fibres or filaments of different layers, e.g. the fibres or filaments being parallel or perpendicular to each other
-
- 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
- B32B5/26—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 another layer next to it also being fibrous or filamentary
-
- 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
- B32B7/00—Layered products characterised by the relation between layers; Layered products characterised by the relative orientation of features between layers, or by the relative values of a measurable parameter between layers, i.e. products comprising layers having different physical, chemical or physicochemical properties; Layered products characterised by the interconnection of layers
- B32B7/04—Interconnection of layers
- B32B7/12—Interconnection of layers using interposed adhesives or interposed materials with bonding properties
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64C—AEROPLANES; HELICOPTERS
- B64C23/00—Influencing air flow over aircraft surfaces, not otherwise provided for
- B64C23/06—Influencing air flow over aircraft surfaces, not otherwise provided for by generating vortices
- B64C23/065—Influencing air flow over aircraft surfaces, not otherwise provided for by generating vortices at the wing tips
- B64C23/069—Influencing air flow over aircraft surfaces, not otherwise provided for by generating vortices at the wing tips using one or more wing tip airfoil devices, e.g. winglets, splines, wing tip fences or raked wingtips
-
- 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
- B29L2031/30—Vehicles, e.g. ships or aircraft, or body parts thereof
- B29L2031/3076—Aircrafts
- B29L2031/3085—Wings
-
- 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
- B32B2260/023—Two or more layers
-
- 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
- B32B2262/02—Synthetic macromolecular fibres
- B32B2262/0261—Polyamide fibres
- B32B2262/0269—Aromatic polyamide 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
- B32B2262/101—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
- B32B2307/558—Impact strength, toughness
-
- 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
- B32B2605/00—Vehicles
- B32B2605/18—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
- 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
- Y02T50/10—Drag reduction
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Composite Materials (AREA)
- Mechanical Engineering (AREA)
- Textile Engineering (AREA)
- Aviation & Aerospace Engineering (AREA)
- Moulding By Coating Moulds (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PCT/SE2012/051126 WO2014065718A1 (en) | 2012-10-22 | 2012-10-22 | An integrated curved structure and winglet strength enhancement |
Publications (2)
Publication Number | Publication Date |
---|---|
EP2909009A1 EP2909009A1 (en) | 2015-08-26 |
EP2909009A4 true EP2909009A4 (en) | 2016-06-01 |
Family
ID=50544966
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP12887291.8A Withdrawn EP2909009A4 (en) | 2012-10-22 | 2012-10-22 | An integrated curved structure and winglet strength enhancement |
Country Status (2)
Country | Link |
---|---|
EP (1) | EP2909009A4 (en) |
WO (1) | WO2014065718A1 (en) |
Families Citing this family (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US9738375B2 (en) | 2013-12-05 | 2017-08-22 | The Boeing Company | One-piece composite bifurcated winglet |
GB2522245A (en) * | 2014-01-20 | 2015-07-22 | Airbus Operations Ltd | A curved winglet |
GB201421827D0 (en) | 2014-12-09 | 2015-01-21 | Short Brothers Plc | Fibre-reinforced components including nanostructures |
WO2017046250A2 (en) * | 2015-09-17 | 2017-03-23 | Rolls-Royce Deutschland Ltd & Co Kg | Structural element of an aircraft part and method for manufacturing a structural element |
GB2551311A (en) * | 2016-05-24 | 2017-12-20 | Airbus Operations Ltd | Winglet |
GB2559771A (en) * | 2017-02-17 | 2018-08-22 | Airbus Operations Ltd | A rib arrangement in a wing tip device |
CN107521124A (en) * | 2017-07-31 | 2017-12-29 | 江苏恒神股份有限公司 | Carbon fiber dual platen reinforced structure part and its manufacture method |
GB2568229B (en) | 2017-10-19 | 2020-01-29 | Airbus Operations Ltd | An aircraft assembly including a wingtip device |
US11167836B2 (en) * | 2018-06-21 | 2021-11-09 | Sierra Nevada Corporation | Devices and methods to attach composite core to a surrounding structure |
CN109684679B (en) * | 2018-12-04 | 2023-05-26 | 中国航空工业集团公司西安飞机设计研究所 | Parameter design method for circular arch reinforcement frame bearing antisymmetric concentrated load |
Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0525912A1 (en) * | 1991-08-02 | 1993-02-03 | The Boeing Company | Wing/winglet configurations and methods for aircraft |
WO2010144009A1 (en) * | 2009-06-11 | 2010-12-16 | Saab Ab | An aircraft structure with structural parts connected by nanostructure and a method for making said aircraft structure |
WO2010144010A1 (en) * | 2009-06-11 | 2010-12-16 | Saab Ab | A structural longitudinal composite joint for aircraft structure |
WO2011087411A1 (en) * | 2010-01-14 | 2011-07-21 | Saab Ab | An aerodynamic surface with improved properties |
WO2011087413A1 (en) * | 2010-01-14 | 2011-07-21 | Saab Ab | Article with de-icing/anti-icing function |
WO2011087414A1 (en) * | 2010-01-14 | 2011-07-21 | Saab Ab | A wind turbine blade having an outer surface with improved properties |
WO2012036602A1 (en) * | 2010-09-15 | 2012-03-22 | Saab Ab | Plasma-enhanced active laminar flow actuator system |
Family Cites Families (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4560603A (en) * | 1983-10-27 | 1985-12-24 | Ltv Aerospace And Defense Company | Composite matrix with oriented whiskers |
CA2161547A1 (en) * | 1993-04-30 | 1994-11-10 | Joseph Santin Boyce | A reinforced joint for composite structures and method of joining composite parts |
US5832594A (en) * | 1996-05-31 | 1998-11-10 | The Boeing Company | Tooling for inserting Z-pins |
US6743504B1 (en) * | 2001-03-01 | 2004-06-01 | Rohr, Inc. | Co-cured composite structures and method of making them |
GB0213161D0 (en) * | 2002-06-07 | 2002-07-17 | Short Brothers Plc | A fibre reinforced composite component |
US7537825B1 (en) * | 2005-03-25 | 2009-05-26 | Massachusetts Institute Of Technology | Nano-engineered material architectures: ultra-tough hybrid nanocomposite system |
US7753313B1 (en) * | 2006-09-19 | 2010-07-13 | The Boeing Company | Composite wing slat for aircraft |
WO2008133299A1 (en) * | 2007-04-24 | 2008-11-06 | National Institute Of Advanced Industrial Science And Technology | Resin complex containing carbon nanotube, and method for production thereof |
ITTO20070507A1 (en) * | 2007-07-11 | 2009-01-12 | Alenia Aeronautica Spa | PROCESS OF MANUFACTURING OF A STRUCTURE OF A MONOLITHIC WING WITH AN INTEGRAL PROFILE |
EP2189277A1 (en) * | 2008-11-19 | 2010-05-26 | BAE Systems PLC | Fibre reinforced composite |
-
2012
- 2012-10-22 WO PCT/SE2012/051126 patent/WO2014065718A1/en active Application Filing
- 2012-10-22 EP EP12887291.8A patent/EP2909009A4/en not_active Withdrawn
Patent Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0525912A1 (en) * | 1991-08-02 | 1993-02-03 | The Boeing Company | Wing/winglet configurations and methods for aircraft |
WO2010144009A1 (en) * | 2009-06-11 | 2010-12-16 | Saab Ab | An aircraft structure with structural parts connected by nanostructure and a method for making said aircraft structure |
WO2010144010A1 (en) * | 2009-06-11 | 2010-12-16 | Saab Ab | A structural longitudinal composite joint for aircraft structure |
WO2011087411A1 (en) * | 2010-01-14 | 2011-07-21 | Saab Ab | An aerodynamic surface with improved properties |
WO2011087413A1 (en) * | 2010-01-14 | 2011-07-21 | Saab Ab | Article with de-icing/anti-icing function |
WO2011087414A1 (en) * | 2010-01-14 | 2011-07-21 | Saab Ab | A wind turbine blade having an outer surface with improved properties |
WO2012036602A1 (en) * | 2010-09-15 | 2012-03-22 | Saab Ab | Plasma-enhanced active laminar flow actuator system |
Non-Patent Citations (1)
Title |
---|
See also references of WO2014065718A1 * |
Also Published As
Publication number | Publication date |
---|---|
WO2014065718A1 (en) | 2014-05-01 |
EP2909009A1 (en) | 2015-08-26 |
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Legal Events
Date | Code | Title | Description |
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PUAI | Public reference made under article 153(3) epc to a published international application that has entered the european phase |
Free format text: ORIGINAL CODE: 0009012 |
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17P | Request for examination filed |
Effective date: 20150427 |
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AK | Designated contracting states |
Kind code of ref document: A1 Designated state(s): AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR |
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AX | Request for extension of the european patent |
Extension state: BA ME |
|
DAX | Request for extension of the european patent (deleted) | ||
RA4 | Supplementary search report drawn up and despatched (corrected) |
Effective date: 20160504 |
|
RIC1 | Information provided on ipc code assigned before grant |
Ipc: B64C 23/06 20060101ALI20160428BHEP Ipc: B29C 70/08 20060101AFI20160428BHEP Ipc: B29C 70/30 20060101ALI20160428BHEP Ipc: B32B 5/28 20060101ALI20160428BHEP Ipc: B29C 70/14 20060101ALI20160428BHEP |
|
STAA | Information on the status of an ep patent application or granted ep patent |
Free format text: STATUS: EXAMINATION IS IN PROGRESS |
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RIC1 | Information provided on ipc code assigned before grant |
Ipc: B32B 7/12 20060101ALI20181211BHEP Ipc: B29C 70/30 20060101ALI20181211BHEP Ipc: B64C 23/06 20060101ALI20181211BHEP Ipc: B32B 5/02 20060101ALI20181211BHEP Ipc: B29L 31/30 20060101ALI20181211BHEP Ipc: B29C 70/08 20060101AFI20181211BHEP Ipc: B29C 70/14 20060101ALI20181211BHEP Ipc: B32B 5/26 20060101ALI20181211BHEP Ipc: B32B 5/12 20060101ALI20181211BHEP Ipc: B32B 5/28 20060101ALI20181211BHEP |
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17Q | First examination report despatched |
Effective date: 20190102 |
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STAA | Information on the status of an ep patent application or granted ep patent |
Free format text: STATUS: THE APPLICATION IS DEEMED TO BE WITHDRAWN |
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18D | Application deemed to be withdrawn |
Effective date: 20200807 |