FR2913401B1 - Mat pour nacelle d'aeronef incorporant des moyens pour limiter l'apparition de vibrations, en particulier a certains regimes de vol, a fort nombre de mach et faible portance - Google Patents
Mat pour nacelle d'aeronef incorporant des moyens pour limiter l'apparition de vibrations, en particulier a certains regimes de vol, a fort nombre de mach et faible portanceInfo
- Publication number
- FR2913401B1 FR2913401B1 FR0753716A FR0753716A FR2913401B1 FR 2913401 B1 FR2913401 B1 FR 2913401B1 FR 0753716 A FR0753716 A FR 0753716A FR 0753716 A FR0753716 A FR 0753716A FR 2913401 B1 FR2913401 B1 FR 2913401B1
- Authority
- FR
- France
- Prior art keywords
- maches
- vibrations
- appearance
- limiting
- low load
- 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.)
- Expired - Fee Related
Links
- 230000035939 shock Effects 0.000 abstract 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64C—AEROPLANES; HELICOPTERS
- B64C7/00—Structures or fairings not otherwise provided for
- B64C7/02—Nacelles
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64C—AEROPLANES; HELICOPTERS
- B64C21/00—Influencing air flow over aircraft surfaces by affecting boundary layer flow
- B64C21/02—Influencing air flow over aircraft surfaces by affecting boundary layer flow by use of slot, ducts, porous areas or the like
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64D—EQUIPMENT FOR FITTING IN OR TO AIRCRAFT; FLIGHT SUITS; PARACHUTES; ARRANGEMENT OR MOUNTING OF POWER PLANTS OR PROPULSION TRANSMISSIONS IN AIRCRAFT
- B64D29/00—Power-plant nacelles, fairings, or cowlings
- B64D29/02—Power-plant nacelles, fairings, or cowlings associated with wings
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64C—AEROPLANES; HELICOPTERS
- B64C2230/00—Boundary layer controls
- B64C2230/08—Boundary layer controls by influencing fluid flow by means of surface cavities, i.e. net fluid flow is null
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64C—AEROPLANES; HELICOPTERS
- B64C2230/00—Boundary layer controls
- B64C2230/20—Boundary layer controls by passively inducing fluid flow, e.g. by means of a pressure difference between both ends of a slot or duct
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64C—AEROPLANES; HELICOPTERS
- B64C2230/00—Boundary layer controls
- B64C2230/22—Boundary layer controls by using a surface having multiple apertures of relatively small openings other than slots
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64C—AEROPLANES; HELICOPTERS
- B64C2230/00—Boundary layer controls
- B64C2230/24—Boundary layer controls by using passive resonance cavities, e.g. without transducers
-
- 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)
- Aviation & Aerospace Engineering (AREA)
- Other Liquid Machine Or Engine Such As Wave Power Use (AREA)
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR0753716A FR2913401B1 (fr) | 2007-03-08 | 2007-03-08 | Mat pour nacelle d'aeronef incorporant des moyens pour limiter l'apparition de vibrations, en particulier a certains regimes de vol, a fort nombre de mach et faible portance |
US12/043,157 US20080217468A1 (en) | 2007-03-08 | 2008-03-06 | Mast for an aircraft nacelle incorporating means for limiting the appearance of vibrations, in particular in certain flight regimes, at a high mach number and low lift |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR0753716A FR2913401B1 (fr) | 2007-03-08 | 2007-03-08 | Mat pour nacelle d'aeronef incorporant des moyens pour limiter l'apparition de vibrations, en particulier a certains regimes de vol, a fort nombre de mach et faible portance |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2913401A1 FR2913401A1 (fr) | 2008-09-12 |
FR2913401B1 true FR2913401B1 (fr) | 2009-11-20 |
Family
ID=38358025
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR0753716A Expired - Fee Related FR2913401B1 (fr) | 2007-03-08 | 2007-03-08 | Mat pour nacelle d'aeronef incorporant des moyens pour limiter l'apparition de vibrations, en particulier a certains regimes de vol, a fort nombre de mach et faible portance |
Country Status (2)
Country | Link |
---|---|
US (1) | US20080217468A1 (fr) |
FR (1) | FR2913401B1 (fr) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2956855B1 (fr) | 2010-02-26 | 2012-07-27 | Snecma | Dispositif de reduction du bruit de paroi sur les pylones des turboreacteurs |
FR2957894B1 (fr) * | 2010-03-23 | 2013-06-14 | Snecma | Pylone de support d'un turbomoteur recouvert d'un materiau poreux, ensemble d'un turbomoteur et d'un pylone |
US9725183B2 (en) | 2015-06-22 | 2017-08-08 | Rohr, Inc. | Pylon with noise attenuating fairing |
DE102016123096B4 (de) * | 2016-11-30 | 2023-06-22 | Airbus Defence and Space GmbH | Steuerflächenbauteil für eine Auftriebshilfevorrichtung eines Luftfahrzeugs sowie Herstellungsverfahren hierfür |
US11560840B2 (en) | 2020-10-16 | 2023-01-24 | General Electric Company | Damper engine mount links |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4314681A (en) * | 1979-08-31 | 1982-02-09 | General Electric Company | Drag-reducing component |
US4522360A (en) * | 1983-04-27 | 1985-06-11 | Rensselaer Polytechnic Institute | Passive drag control of airfoils at transonic speeds |
DE3318413A1 (de) * | 1983-05-20 | 1984-11-22 | Messerschmitt-Bölkow-Blohm GmbH, 8012 Ottobrunn | Tragfluegel fuer luftfahrzeuge |
GB2187261A (en) * | 1986-01-06 | 1987-09-03 | Secr Defence | Controlling boundary layer |
-
2007
- 2007-03-08 FR FR0753716A patent/FR2913401B1/fr not_active Expired - Fee Related
-
2008
- 2008-03-06 US US12/043,157 patent/US20080217468A1/en not_active Abandoned
Also Published As
Publication number | Publication date |
---|---|
FR2913401A1 (fr) | 2008-09-12 |
US20080217468A1 (en) | 2008-09-11 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
CA | Change of address |
Effective date: 20110916 |
|
CD | Change of name or company name |
Owner name: AIRBUS HOLDING, FR Effective date: 20110916 |
|
CJ | Change in legal form |
Effective date: 20110916 |
|
TP | Transmission of property |
Owner name: AIRBUS HOLDING, FR Effective date: 20110913 |
|
PLFP | Fee payment |
Year of fee payment: 9 |
|
PLFP | Fee payment |
Year of fee payment: 10 |
|
PLFP | Fee payment |
Year of fee payment: 11 |
|
PLFP | Fee payment |
Year of fee payment: 12 |
|
PLFP | Fee payment |
Year of fee payment: 13 |
|
ST | Notification of lapse |
Effective date: 20201110 |