EP4077129A1 - Contamination protection for riblet films - Google Patents
Contamination protection for riblet filmsInfo
- Publication number
- EP4077129A1 EP4077129A1 EP20833781.6A EP20833781A EP4077129A1 EP 4077129 A1 EP4077129 A1 EP 4077129A1 EP 20833781 A EP20833781 A EP 20833781A EP 4077129 A1 EP4077129 A1 EP 4077129A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- riblet
- film
- protection
- edge
- adhesive layer
- 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.)
- Pending
Links
- 238000011109 contamination Methods 0.000 title claims abstract description 11
- 239000012790 adhesive layer Substances 0.000 claims abstract description 36
- 239000010410 layer Substances 0.000 claims abstract description 20
- 239000007788 liquid Substances 0.000 claims description 16
- 239000008187 granular material Substances 0.000 claims description 14
- 239000000463 material Substances 0.000 claims description 11
- 239000002245 particle Substances 0.000 claims description 7
- 230000001012 protector Effects 0.000 claims description 3
- 239000011888 foil Substances 0.000 description 7
- 230000007704 transition Effects 0.000 description 5
- 239000000853 adhesive Substances 0.000 description 2
- 230000001070 adhesive effect Effects 0.000 description 2
- 230000000007 visual effect Effects 0.000 description 2
- 238000009825 accumulation Methods 0.000 description 1
- 238000004026 adhesive bonding Methods 0.000 description 1
- 239000002390 adhesive tape Substances 0.000 description 1
- 239000003086 colorant Substances 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 239000010408 film Substances 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 230000001771 impaired effect Effects 0.000 description 1
- 239000004922 lacquer Substances 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64C—AEROPLANES; HELICOPTERS
- B64C21/00—Influencing air flow over aircraft surfaces by affecting boundary layer flow
- B64C21/10—Influencing air flow over aircraft surfaces by affecting boundary layer flow using other surface properties, e.g. roughness
-
- 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
- B32B3/30—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 formed with recesses or projections, e.g. hollows, grooves, protuberances, ribs
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64F—GROUND OR AIRCRAFT-CARRIER-DECK INSTALLATIONS SPECIALLY ADAPTED FOR USE IN CONNECTION WITH AIRCRAFT; DESIGNING, MANUFACTURING, ASSEMBLING, CLEANING, MAINTAINING OR REPAIRING AIRCRAFT, NOT OTHERWISE PROVIDED FOR; HANDLING, TRANSPORTING, TESTING OR INSPECTING AIRCRAFT COMPONENTS, NOT OTHERWISE PROVIDED FOR
- B64F5/00—Designing, manufacturing, assembling, cleaning, maintaining or repairing aircraft, not otherwise provided for; Handling, transporting, testing or inspecting aircraft components, not otherwise provided for
- B64F5/10—Manufacturing or assembling aircraft, e.g. jigs therefor
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D5/00—Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes
- C09D5/03—Powdery paints
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15D—FLUID DYNAMICS, i.e. METHODS OR MEANS FOR INFLUENCING THE FLOW OF GASES OR LIQUIDS
- F15D1/00—Influencing flow of fluids
- F15D1/002—Influencing flow of fluids by influencing the boundary layer
- F15D1/0025—Influencing flow of fluids by influencing the boundary layer using passive means, i.e. without external energy supply
- F15D1/003—Influencing flow of fluids by influencing the boundary layer using passive means, i.e. without external energy supply comprising surface features, e.g. indentations or protrusions
- F15D1/0035—Influencing flow of fluids by influencing the boundary layer using passive means, i.e. without external energy supply comprising surface features, e.g. indentations or protrusions in the form of riblets
-
- 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
- B32B2255/00—Coating on the layer surface
- B32B2255/20—Inorganic coating
-
- 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
- B32B2255/00—Coating on the layer surface
- B32B2255/26—Polymeric coating
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64C—AEROPLANES; HELICOPTERS
- B64C2230/00—Boundary layer controls
- B64C2230/26—Boundary layer controls by using rib lets or hydrophobic surfaces
Definitions
- the application device has a height limitation with which the maximum height of the edge protection material above the surface during application to a height less than or equal to the height of the top of the riblet film or to the thickness of the adhesive layer of the riblet film. Foil is limited. By means of a corresponding height limitation, it can already be ensured during the application of the edge protection according to the invention that the edge protection does not protrude beyond the riblet film in the molded state. Furthermore, suction for excess edge protection material can be provided in the application device. By sucking off excess edge protection material, it can be ensured that it does not settle in undesired places and possibly harden there.
- edge protection according to the invention can improve the aerodynamic properties of the transition between the two riblet foils when applied to opposite edges of two adjacent riblet films arranged closely together by opening the gap between the two through the edge protection Riblet film is at least partially filled.
- FIG. 4 shows a second exemplary embodiment of a contamination protection 10 according to the invention for the riblet film 2 from FIG.
- the views in FIGS. 4a, b correspond to those from FIGS. 2a, b.
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Aviation & Aerospace Engineering (AREA)
- Transportation (AREA)
- Chemical & Material Sciences (AREA)
- Fluid Mechanics (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Life Sciences & Earth Sciences (AREA)
- Materials Engineering (AREA)
- Wood Science & Technology (AREA)
- Organic Chemistry (AREA)
- Adhesive Tapes (AREA)
- Laminated Bodies (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102019135084.0A DE102019135084A1 (en) | 2019-12-19 | 2019-12-19 | Soiling protection for riblet films |
PCT/EP2020/086401 WO2021122731A1 (en) | 2019-12-19 | 2020-12-16 | Contamination protection for riblet films |
Publications (1)
Publication Number | Publication Date |
---|---|
EP4077129A1 true EP4077129A1 (en) | 2022-10-26 |
Family
ID=74106016
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP20833781.6A Pending EP4077129A1 (en) | 2019-12-19 | 2020-12-16 | Contamination protection for riblet films |
Country Status (5)
Country | Link |
---|---|
US (1) | US20230024245A1 (en) |
EP (1) | EP4077129A1 (en) |
CN (1) | CN114829252A (en) |
DE (1) | DE102019135084A1 (en) |
WO (1) | WO2021122731A1 (en) |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3334792A (en) * | 1966-05-19 | 1967-08-08 | Herculite Protective Fab | Adhesive applicator |
DE2614596C3 (en) * | 1976-04-05 | 1980-03-13 | Vereinigte Glaswerke Gmbh, 5100 Aachen | Skimmer head for applying castable plastic layers on flat surfaces |
US8603628B2 (en) * | 2007-04-30 | 2013-12-10 | Saint-Gobain Performance Plastics Corporation | Turbine blade protective barrier |
DE102008029819A1 (en) * | 2008-06-25 | 2009-12-31 | Manroland Ag | Elevator for cylinder of rolling rotating pressure machine, has supporting foil that is attached on side of elevator, and sealing, which is attached at partial region of edge of supporting foil |
US8469313B2 (en) * | 2010-02-16 | 2013-06-25 | The Boeing Company | Aerodynamic structure having a ridged solar panel and an associated method |
US9308702B2 (en) * | 2014-02-25 | 2016-04-12 | The Boeing Company | Method and apparatus for making preformed seals |
DE202014104604U1 (en) * | 2014-04-09 | 2015-07-13 | Kuka Systems Gmbh | applicator |
DE102016122446A1 (en) * | 2016-11-22 | 2018-05-24 | Airbus Operations Gmbh | A method of producing a smooth aerodynamic surface of an aircraft component |
DE102018212328B4 (en) * | 2018-02-19 | 2022-01-13 | Haverkamp Gmbh | Multi-layer security device |
-
2019
- 2019-12-19 DE DE102019135084.0A patent/DE102019135084A1/en active Pending
-
2020
- 2020-12-16 CN CN202080087034.2A patent/CN114829252A/en active Pending
- 2020-12-16 EP EP20833781.6A patent/EP4077129A1/en active Pending
- 2020-12-16 WO PCT/EP2020/086401 patent/WO2021122731A1/en unknown
- 2020-12-16 US US17/785,404 patent/US20230024245A1/en active Pending
Also Published As
Publication number | Publication date |
---|---|
US20230024245A1 (en) | 2023-01-26 |
WO2021122731A1 (en) | 2021-06-24 |
CN114829252A (en) | 2022-07-29 |
DE102019135084A1 (en) | 2021-06-24 |
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Legal Events
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