ATE276100T1 - Schallabsorbiernedes element insbesondere für flugzeugtriebwerke - Google Patents
Schallabsorbiernedes element insbesondere für flugzeugtriebwerkeInfo
- Publication number
- ATE276100T1 ATE276100T1 AT01402803T AT01402803T ATE276100T1 AT E276100 T1 ATE276100 T1 AT E276100T1 AT 01402803 T AT01402803 T AT 01402803T AT 01402803 T AT01402803 T AT 01402803T AT E276100 T1 ATE276100 T1 AT E276100T1
- Authority
- AT
- Austria
- Prior art keywords
- sound absorbing
- absorbing element
- aircraft engines
- element particularly
- separators
- Prior art date
Links
- 238000005192 partition Methods 0.000 abstract 2
- 238000009413 insulation Methods 0.000 abstract 1
- 230000002093 peripheral effect Effects 0.000 abstract 1
- 230000003014 reinforcing effect Effects 0.000 abstract 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02C—GAS-TURBINE PLANTS; AIR INTAKES FOR JET-PROPULSION PLANTS; CONTROLLING FUEL SUPPLY IN AIR-BREATHING JET-PROPULSION PLANTS
- F02C7/00—Features, components parts, details or accessories, not provided for in, or of interest apart form groups F02C1/00 - F02C6/00; Air intakes for jet-propulsion plants
- F02C7/04—Air intakes for gas-turbine plants or jet-propulsion plants
- F02C7/045—Air intakes for gas-turbine plants or jet-propulsion plants having provisions for noise suppression
-
- 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
- B32B3/10—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 discontinuous layer, i.e. formed of separate pieces of material
- B32B3/12—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 discontinuous layer, i.e. formed of separate pieces of material characterised by a layer of regularly- arranged cells, e.g. a honeycomb structure
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
- E04C2/00—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels
- E04C2/30—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by the shape or structure
- E04C2/34—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by the shape or structure composed of two or more spaced sheet-like parts
- E04C2/36—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by the shape or structure composed of two or more spaced sheet-like parts spaced apart by transversely-placed strip material, e.g. honeycomb panels
- E04C2/365—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by the shape or structure composed of two or more spaced sheet-like parts spaced apart by transversely-placed strip material, e.g. honeycomb panels by honeycomb structures
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02K—JET-PROPULSION PLANTS
- F02K1/00—Plants characterised by the form or arrangement of the jet pipe or nozzle; Jet pipes or nozzles peculiar thereto
- F02K1/78—Other construction of jet pipes
- F02K1/82—Jet pipe walls, e.g. liners
- F02K1/827—Sound absorbing structures or liners
-
- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10K—SOUND-PRODUCING DEVICES; METHODS OR DEVICES FOR PROTECTING AGAINST, OR FOR DAMPING, NOISE OR OTHER ACOUSTIC WAVES IN GENERAL; ACOUSTICS NOT OTHERWISE PROVIDED FOR
- G10K11/00—Methods or devices for transmitting, conducting or directing sound in general; Methods or devices for protecting against, or for damping, noise or other acoustic waves in general
- G10K11/16—Methods or devices for protecting against, or for damping, noise or other acoustic waves in general
- G10K11/172—Methods or devices for protecting against, or for damping, noise or other acoustic waves in general using resonance effects
-
- 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
- F05D2260/00—Function
- F05D2260/96—Preventing, counteracting or reducing vibration or noise
-
- 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)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- Architecture (AREA)
- General Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Soundproofing, Sound Blocking, And Sound Damping (AREA)
- Laminated Bodies (AREA)
- Aerials With Secondary Devices (AREA)
- Devices Affording Protection Of Roads Or Walls For Sound Insulation (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR0013977A FR2815900B1 (fr) | 2000-10-31 | 2000-10-31 | Panneau sandwich reducteur de bruit, notamment pour turboreacteur d'aeronef |
Publications (1)
Publication Number | Publication Date |
---|---|
ATE276100T1 true ATE276100T1 (de) | 2004-10-15 |
Family
ID=8855939
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
AT01402803T ATE276100T1 (de) | 2000-10-31 | 2001-10-29 | Schallabsorbiernedes element insbesondere für flugzeugtriebwerke |
Country Status (7)
Country | Link |
---|---|
US (1) | US6536556B2 (de) |
EP (1) | EP1201420B1 (de) |
AT (1) | ATE276100T1 (de) |
CA (1) | CA2359924C (de) |
DE (1) | DE60105521T2 (de) |
ES (1) | ES2227094T3 (de) |
FR (1) | FR2815900B1 (de) |
Families Citing this family (59)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2817994B1 (fr) * | 2000-12-08 | 2003-02-28 | Eads Airbus Sa | Panneau acoustique sandwich |
FR2821788B1 (fr) * | 2001-03-09 | 2004-04-02 | Eads Airbus Sa | Procede de fabrication d'un panneau a couche resistive acoustique adaptee et panneau acoustique ainsi obtenu |
US6871725B2 (en) * | 2003-02-21 | 2005-03-29 | Jeffrey Don Johnson | Honeycomb core acoustic unit with metallurgically secured deformable septum, and method of manufacture |
JP4050632B2 (ja) * | 2003-02-24 | 2008-02-20 | 株式会社神戸製鋼所 | 吸音構造体 |
US7328771B2 (en) | 2004-07-27 | 2008-02-12 | United Technologies Corporation | Zero acoustic splice fan case liner |
US7434659B2 (en) * | 2005-04-04 | 2008-10-14 | Hexcel Corporation | Acoustic septum cap honeycomb |
US8413761B2 (en) * | 2005-04-04 | 2013-04-09 | Hexcel Corporation | Acoustic honeycomb with perforated septum caps |
US20070193175A1 (en) * | 2006-02-21 | 2007-08-23 | Ta-Chung Hao | Structure of decoration acoustic board |
US20080083210A1 (en) * | 2006-10-04 | 2008-04-10 | Spirit Aerosystems, Inc | Monolithic thrust reverser components |
FR2922152B1 (fr) * | 2007-10-16 | 2009-11-20 | Aircelle Sa | Structure a ame alveolaire pour panneau acoustique |
US8240427B2 (en) * | 2008-10-01 | 2012-08-14 | General Electric Company | Sound attenuation systems and methods |
DE102008051241B4 (de) * | 2008-10-10 | 2011-06-16 | Airbus Operations Gmbh | Schalldämpfer für ein Hilfstriebwerk eines Flugzeugs |
FR2947013B1 (fr) * | 2009-06-18 | 2013-08-02 | Airbus France | Aerogenerateur carene. |
US8127889B1 (en) | 2009-09-15 | 2012-03-06 | The Boeing Company | Noise reduction system for structures |
US8220588B2 (en) * | 2010-03-31 | 2012-07-17 | The Boeing Company | Unitized engine nacelle structure |
US8047329B1 (en) | 2010-08-13 | 2011-11-01 | Rohr, Inc. | System and method for noise suppression |
DE202011001683U1 (de) | 2011-01-18 | 2011-03-17 | Pfw Aerospace Ag | Schalldämmmaterial |
US9275622B2 (en) * | 2011-03-29 | 2016-03-01 | Katholieke Universiteit Leuven | Vibro-acoustic attenuation or reduced energy transmission |
US8607924B2 (en) * | 2011-09-08 | 2013-12-17 | Hexcel Corporation | Anchoring of septums in acoustic honeycomb |
ITTO20111124A1 (it) | 2011-12-09 | 2013-06-10 | Alenia Aermacchi Spa | Elemento per l'assorbimento acustico, in particolare destinato ad essere montato su componenti di aeromobili, quali gondole motori. |
US10294815B2 (en) | 2012-03-01 | 2019-05-21 | The Boeing Company | SPF/DB structure for attenuation of noise from air flow |
US8800714B2 (en) * | 2012-06-26 | 2014-08-12 | Hexcel Corporation | Structure with active acoustic openings |
EP2844463B1 (de) * | 2013-06-13 | 2017-12-20 | The Boeing Company | Superplastische formungs-/diffusionsverbindungsstruktur zur dämpfung des rauschens von luftstrom |
US9068345B2 (en) * | 2013-08-12 | 2015-06-30 | Hexcel Corporation | Multi-sectional acoustic septum |
US8997923B2 (en) * | 2013-08-12 | 2015-04-07 | Hexcel Corporation | Sound wave guide for use in acoustic structures |
US20150108248A1 (en) * | 2013-10-22 | 2015-04-23 | Rohr, Inc. | Thrust reverser fan ramp with noise suppression |
US9708072B2 (en) | 2014-04-30 | 2017-07-18 | The Boeing Company | Aircraft engine nacelle bulkheads and methods of assembling the same |
US9938852B2 (en) | 2014-04-30 | 2018-04-10 | The Boeing Company | Noise attenuating lipskin assembly and methods of assembling the same |
US9604438B2 (en) | 2014-04-30 | 2017-03-28 | The Boeing Company | Methods and apparatus for noise attenuation in an engine nacelle |
US9656761B2 (en) | 2014-04-30 | 2017-05-23 | The Boeing Company | Lipskin for a nacelle and methods of making the same |
FR3026122B1 (fr) * | 2014-09-24 | 2019-08-09 | Safran Aircraft Engines | Panneau de traitement acoustique |
FR3036061B1 (fr) * | 2015-05-12 | 2019-08-16 | Safran Nacelles | Panneau composite et nacelle de turboreacteur d’aeronef comprenant un tel panneau |
US10793282B2 (en) | 2016-07-28 | 2020-10-06 | The Boeing Company | Liner assembly, engine housing, and methods of assembling the same |
US10316755B2 (en) * | 2016-11-18 | 2019-06-11 | Rohr, Inc. | Acoustic panel with sidewall stringers |
US10309305B2 (en) * | 2016-11-18 | 2019-06-04 | Rohr, Inc. | Acoustic panel with sidewall stringers |
US10032445B1 (en) * | 2016-12-13 | 2018-07-24 | Northrop Grumman Systems Corporation | Honeycomb unit cell acoustic metamaterial with in situ buttresses for tuned acoustic frequency attenuation |
US10519859B2 (en) * | 2017-03-07 | 2019-12-31 | United Technologies Corporation | Flutter dampening acoustic liner for a turbofan engine |
US10369763B2 (en) * | 2017-04-19 | 2019-08-06 | The Boeing Company | Segmented acoustic insert |
US10577117B2 (en) * | 2017-08-04 | 2020-03-03 | Hexcel Corporation | Angled acoustic honeycomb |
FR3070438B1 (fr) * | 2017-08-25 | 2020-09-11 | Safran Nacelles | Structure alveolaire et dispositif d’attenuation acoustique pour nacelle d'ensemble propulsif d'aeronef |
US10783869B2 (en) * | 2017-09-12 | 2020-09-22 | Honeywell International Inc. | Cell structure for use in an acoustic panel, and methods of producing the same |
US10726824B2 (en) * | 2017-09-29 | 2020-07-28 | The Boeing Company | Composite sound absorption panel assembly |
US11034460B2 (en) * | 2017-12-08 | 2021-06-15 | The Boeing Company | Additively manufactured septa for acoustic panels |
US10836502B2 (en) * | 2017-12-15 | 2020-11-17 | The Boeing Company | Wave-shaped acoustic insert and core |
US11092077B2 (en) * | 2018-03-28 | 2021-08-17 | Pratt & Whitney Canada Corp. | Aircraft component and method of manufacture |
US11052987B2 (en) * | 2018-05-30 | 2021-07-06 | The Boeing Company | Integrally damped composite aircraft floor panels |
FR3082987B1 (fr) * | 2018-06-25 | 2020-09-18 | Airbus Operations Sas | Structure constituant un isolant acoustique |
US11359577B2 (en) | 2018-08-22 | 2022-06-14 | Rohr, Inc. | Multi-degree of freedom acoustic panel |
US11260641B2 (en) | 2019-05-10 | 2022-03-01 | American Honda Motor Co., Inc. | Apparatus for reticulation of adhesive and methods of use thereof |
EP3747735A1 (de) * | 2019-06-07 | 2020-12-09 | SABIC Global Technologies B.V. | Strukturkörper für fahrzeuge mit wabeneinsätzen und verfahren zur herstellung und verwendung davon |
US11965465B2 (en) | 2020-12-22 | 2024-04-23 | Rohr, Inc. | Acoustic panel with multiple layer corrugated core |
US11715450B2 (en) | 2020-12-22 | 2023-08-01 | Rohr, Inc. | Acoustic panel core cell with funnel shaped septum |
IT202100002015A1 (it) * | 2021-02-01 | 2021-05-01 | Aprea Vincenzo | Dispositivo di isolamento acustico ottimizzato |
FR3120732B1 (fr) * | 2021-03-10 | 2023-10-27 | Airbus Operations Sas | Procédé de fabrication d’une structure d’absorption acoustique, structure d’absorption acoustique ainsi obtenue |
FR3121710B1 (fr) * | 2021-04-12 | 2023-11-24 | Safran Nacelles | Panneau acoustique pour turbomachine |
US11869472B2 (en) | 2021-08-02 | 2024-01-09 | Rohr, Inc. | Acoustic panel with reconfigurable chamber constrictions |
CN114453596B (zh) * | 2021-09-29 | 2023-07-11 | 厦门大学 | 一种具有降噪功能的飞机壁板3d打印*** |
US20230279578A1 (en) * | 2022-03-07 | 2023-09-07 | Rohr, Inc. | Forming acoustic panel with multi-layered septum(s) |
US12012217B2 (en) * | 2022-08-22 | 2024-06-18 | Gulfstream Aerospace Corporation | Auxiliary power unit air inlet door with specified acoustic reflecting and/or diffusing characteristics |
Family Cites Families (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2213384B1 (de) * | 1972-11-06 | 1975-03-28 | Sieuzac Jean | |
FR2261872B1 (de) | 1974-02-26 | 1976-06-25 | Snecma | |
GB2098926A (en) | 1981-05-26 | 1982-12-01 | Rolls Royce | Honeycomb core with internal septum |
US4667768A (en) * | 1986-05-01 | 1987-05-26 | Lockheed Corporation | Sound absorbing panel |
GB9101354D0 (en) | 1991-01-22 | 1991-03-06 | Short Brothers Plc | Noise attentuation panel |
JPH0546180A (ja) * | 1991-08-13 | 1993-02-26 | Matsushita Electric Ind Co Ltd | 吸音体 |
GB9413158D0 (en) * | 1994-06-30 | 1994-08-24 | Short Brothers Plc | Structural cellular component |
FR2781719B1 (fr) * | 1998-07-30 | 2000-09-08 | Hispano Suiza Sa | Structure de nid d'abeille, notamment pour absorption du son, et son procede de fabrication |
US5997985A (en) * | 1998-09-10 | 1999-12-07 | Northrop Grumman Corporation | Method of forming acoustic attenuation chambers using laser processing of multi-layered polymer films |
GB9909581D0 (en) * | 1999-04-26 | 1999-06-23 | Short Brothers Plc | Noise attenuation panel |
-
2000
- 2000-10-31 FR FR0013977A patent/FR2815900B1/fr not_active Expired - Fee Related
-
2001
- 2001-10-17 US US09/977,949 patent/US6536556B2/en not_active Expired - Lifetime
- 2001-10-25 CA CA2359924A patent/CA2359924C/en not_active Expired - Lifetime
- 2001-10-29 DE DE60105521T patent/DE60105521T2/de not_active Expired - Lifetime
- 2001-10-29 ES ES01402803T patent/ES2227094T3/es not_active Expired - Lifetime
- 2001-10-29 AT AT01402803T patent/ATE276100T1/de not_active IP Right Cessation
- 2001-10-29 EP EP01402803A patent/EP1201420B1/de not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
US6536556B2 (en) | 2003-03-25 |
EP1201420A1 (de) | 2002-05-02 |
EP1201420B1 (de) | 2004-09-15 |
FR2815900B1 (fr) | 2003-07-18 |
CA2359924C (en) | 2012-03-06 |
DE60105521D1 (de) | 2004-10-21 |
CA2359924A1 (en) | 2002-04-30 |
US20020050420A1 (en) | 2002-05-02 |
ES2227094T3 (es) | 2005-04-01 |
DE60105521T2 (de) | 2005-10-13 |
FR2815900A1 (fr) | 2002-05-03 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
RER | Ceased as to paragraph 5 lit. 3 law introducing patent treaties |