WO2009066036A3 - Structure a ame alveolaire pour panneau acoustique - Google Patents

Structure a ame alveolaire pour panneau acoustique Download PDF

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Publication number
WO2009066036A3
WO2009066036A3 PCT/FR2008/001263 FR2008001263W WO2009066036A3 WO 2009066036 A3 WO2009066036 A3 WO 2009066036A3 FR 2008001263 W FR2008001263 W FR 2008001263W WO 2009066036 A3 WO2009066036 A3 WO 2009066036A3
Authority
WO
WIPO (PCT)
Prior art keywords
cellular
acoustic panel
core structure
nacelle
end sheets
Prior art date
Application number
PCT/FR2008/001263
Other languages
English (en)
Other versions
WO2009066036A2 (fr
Inventor
Laurent Valleroy
Emmanuel Drevon
Original Assignee
Aircelle Sa
Laurent Valleroy
Emmanuel Drevon
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Aircelle Sa, Laurent Valleroy, Emmanuel Drevon filed Critical Aircelle Sa
Priority to EP08852512A priority Critical patent/EP2200818A2/fr
Priority to BRPI0818630 priority patent/BRPI0818630A2/pt
Priority to CA2700183A priority patent/CA2700183A1/fr
Priority to US12/738,550 priority patent/US8245815B2/en
Priority to RU2010119056/05A priority patent/RU2477223C2/ru
Priority to CN200880112028.7A priority patent/CN101827702B/zh
Publication of WO2009066036A2 publication Critical patent/WO2009066036A2/fr
Publication of WO2009066036A3 publication Critical patent/WO2009066036A3/fr

Links

Classifications

    • 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
    • B32B3/02—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 features of form at particular places, e.g. in edge regions
    • 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
    • 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
    • B32B3/266—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 an apertured layer, the apertures going through the whole thickness of the layer, e.g. expanded metal, perforated layer, slit layer regular cells B32B3/12
    • 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
    • B32B2307/10—Properties of the layers or laminate having particular acoustical properties
    • B32B2307/102—Insulating
    • 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
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/24—Structurally defined web or sheet [e.g., overall dimension, etc.]
    • Y10T428/24149—Honeycomb-like

Landscapes

  • Soundproofing, Sound Blocking, And Sound Damping (AREA)
  • Laminated Bodies (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)

Abstract

L'invention une structure (10 ) à âme alvéolaire apte à être utilisée dans un panneau acoustique pour une nacelle de turboréacteur comprenant au moins une unité alvéolaire (12; 14), chaque unité alvéolaire (12; 14) comportant deux feuilles d'extrémité (18; 20), les feuilles d'extrémité (18; 20) étant jointes entre elles par des plots de jonction (24) disposés de façon à former des cellules alvéolaires (32). L'invention a également pour objet un procédé de préparation d'une telle structure, un panneau acoustique comportant une telle structure ainsi qu'une nacelle comportant un tel panneau acoustique.
PCT/FR2008/001263 2007-10-16 2008-09-10 Structure a ame alveolaire pour panneau acoustique WO2009066036A2 (fr)

Priority Applications (6)

Application Number Priority Date Filing Date Title
EP08852512A EP2200818A2 (fr) 2007-10-16 2008-09-10 Structure a ame alveolaire pour panneau acoustique
BRPI0818630 BRPI0818630A2 (pt) 2007-10-16 2008-09-10 Estrutura de núcleo celular capaz de ser usada em painel acústico para nacela de motor turbojato, método de preparação de estrutura de núcleo celular, painel acústico de nacela de motor turbojato
CA2700183A CA2700183A1 (fr) 2007-10-16 2008-09-10 Structure a ame alveolaire pour panneau acoustique
US12/738,550 US8245815B2 (en) 2007-10-16 2008-09-10 Cellular-core structure for an acoustic panel
RU2010119056/05A RU2477223C2 (ru) 2007-10-16 2008-09-10 Сотовая конструкция для звукопоглощающей панели
CN200880112028.7A CN101827702B (zh) 2007-10-16 2008-09-10 用于吸音板的蜂窝芯体结构

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR07/07247 2007-10-16
FR0707247A FR2922152B1 (fr) 2007-10-16 2007-10-16 Structure a ame alveolaire pour panneau acoustique

Publications (2)

Publication Number Publication Date
WO2009066036A2 WO2009066036A2 (fr) 2009-05-28
WO2009066036A3 true WO2009066036A3 (fr) 2009-07-16

Family

ID=39322794

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/FR2008/001263 WO2009066036A2 (fr) 2007-10-16 2008-09-10 Structure a ame alveolaire pour panneau acoustique

Country Status (8)

Country Link
US (1) US8245815B2 (fr)
EP (1) EP2200818A2 (fr)
CN (1) CN101827702B (fr)
BR (1) BRPI0818630A2 (fr)
CA (1) CA2700183A1 (fr)
FR (1) FR2922152B1 (fr)
RU (1) RU2477223C2 (fr)
WO (1) WO2009066036A2 (fr)

Families Citing this family (26)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2961175B1 (fr) 2010-06-14 2013-01-04 Aircelle Sa Nacelle de turboreacteur
DE102011008922A1 (de) * 2011-01-19 2012-07-19 Rolls-Royce Deutschland Ltd. & Co. Kg Verfahren zur Herstellung eines Schallabsorbers, insbesondere für einen Gasturbinenabgaskonus
FR2975943B1 (fr) * 2011-06-01 2013-05-17 Aircelle Sa Procede de fabrication d'un panneau d'attenuation acoustique
US8607924B2 (en) * 2011-09-08 2013-12-17 Hexcel Corporation Anchoring of septums in acoustic honeycomb
US9168716B2 (en) * 2012-09-14 2015-10-27 The Boeing Company Metallic sandwich structure having small bend radius
US9476359B2 (en) 2014-04-11 2016-10-25 Rohr, Inc. Acoustic liner
US9592918B2 (en) 2014-06-23 2017-03-14 Rohr, Inc. Acoustic liner
US9931825B2 (en) * 2014-07-09 2018-04-03 The Boeing Company Septumization of cellular cores
DE102014218350A1 (de) 2014-09-12 2016-03-17 Rolls-Royce Deutschland Ltd & Co Kg Schalldämpfende Anordnung für eine Triebwerksgondel und Triebwerksgondel mit einer solchen Anordnung
GB2531808A (en) 2014-11-03 2016-05-04 Short Brothers Plc Methods and precursors for manufacturing a perforated composite part
RU2579744C1 (ru) * 2014-11-14 2016-04-10 Александр Ливиевич Ураков Краниальный имплантат-утеплитель
US9761216B2 (en) 2016-02-10 2017-09-12 Rohr, Inc. Acoustic panel with angled corrugated core structures
US9764818B2 (en) 2016-02-10 2017-09-19 Rohr, Inc. Structural, cellular core with corrugated support walls
US10414481B2 (en) 2017-02-14 2019-09-17 Rohr, Inc. Method for forming a structural panel
US10525636B2 (en) 2017-06-19 2020-01-07 Rohr, Inc. Process for forming a fiber-reinforced composite structure
US10695986B2 (en) 2017-08-22 2020-06-30 Rohr, Inc. Method for forming a structural panel
FR3070674B1 (fr) * 2017-09-06 2019-09-13 Safran Nacelles Integration a la levre acoustique degivree
US10906659B2 (en) 2018-04-03 2021-02-02 Rohr, Inc. Structured panel with structural reinforcement(s)
GB201816335D0 (en) 2018-10-08 2018-11-28 Rolls Royce Plc Sound absorber
CN109175569A (zh) * 2018-11-08 2019-01-11 中国航空制造技术研究院 一种金属蜂窝芯体的制备方法
US11398214B2 (en) 2018-12-14 2022-07-26 Rohr, Inc. Forming a structured panel with one or more structural reinforcements
US11242822B2 (en) 2018-12-14 2022-02-08 Rohr, Inc. Structured panel with multi-panel structure(s)
US11260641B2 (en) 2019-05-10 2022-03-01 American Honda Motor Co., Inc. Apparatus for reticulation of adhesive and methods of use thereof
US11572850B2 (en) 2019-06-04 2023-02-07 Rohr, Inc. Acoustic panel with one or more structural stiffeners
FR3107856B1 (fr) * 2020-03-04 2022-02-04 Safran Nacelles Procédé de fabrication d’une structure à âmes alvéolaires pour nacelle de turboréacteur
DE102020127034A1 (de) * 2020-10-14 2022-04-14 Dr. Ing. H.C. F. Porsche Aktiengesellschaft Mantelpropeller eines Luftfahrzeugs, Luftfahrzeug und Bauteil desselben

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2261872A1 (fr) * 1974-02-26 1975-09-19 Snecma
EP0636780A1 (fr) * 1993-06-25 1995-02-01 Nordam Couche pour supprimer le bruit des réacteurs d'avion
US5445861A (en) * 1992-09-04 1995-08-29 The Boeing Company Lightweight honeycomb panel structure
US5653836A (en) * 1995-07-28 1997-08-05 Rohr, Inc. Method of repairing sound attenuation structure used for aircraft applications
WO2006047991A1 (fr) * 2004-11-02 2006-05-11 Airbus Sas Absorbant acoustique pour groupes motopropulseurs

Family Cites Families (13)

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Publication number Priority date Publication date Assignee Title
FR605912A (fr) * 1926-02-26 1926-06-04 Anciens Etablissements Alin Sa Carrosserie à capote amovible et étanche
US5782082A (en) * 1996-06-13 1998-07-21 The Boeing Company Aircraft engine acoustic liner
GB9909581D0 (en) * 1999-04-26 1999-06-23 Short Brothers Plc Noise attenuation panel
FR2815900B1 (fr) * 2000-10-31 2003-07-18 Eads Airbus Sa Panneau sandwich reducteur de bruit, notamment pour turboreacteur d'aeronef
FR2817994B1 (fr) * 2000-12-08 2003-02-28 Eads Airbus Sa Panneau acoustique sandwich
ITMI20010078A1 (it) * 2001-01-17 2002-07-17 Aermacchi S P A Pannello acustico a struttura composita migliorato
FR2840647B1 (fr) * 2002-06-05 2004-10-29 Airbus France Dispositif pour le raccordement de deux pieces tubulaires de turboreacteur d'aeronef
RU2230208C2 (ru) * 2002-06-05 2004-06-10 Открытое акционерное общество "Авиадвигатель" Устройство для звукопоглощения в двухконтурном турбореактивном двигателе
US6871725B2 (en) * 2003-02-21 2005-03-29 Jeffrey Don Johnson Honeycomb core acoustic unit with metallurgically secured deformable septum, and method of manufacture
US7464790B2 (en) * 2003-05-29 2008-12-16 Rion Co., Ltd Sound insulation/absorption structure, and structure having these applied thereto
RU2267628C1 (ru) * 2004-03-25 2006-01-10 Открытое акционерное общество "Авиадвигатель" Звукопоглощающая панель для тракта турбовентиляторного двигателя
DE102005027314A1 (de) * 2005-06-13 2006-12-14 Müller, Ulrich, Dr.-Ing. Verfahren zur Herstellung eines Leichtbaubleches
US7798285B2 (en) * 2008-11-14 2010-09-21 Rohr, Inc. Acoustic barrel for aircraft engine nacelle including crack and delamination stoppers

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2261872A1 (fr) * 1974-02-26 1975-09-19 Snecma
US5445861A (en) * 1992-09-04 1995-08-29 The Boeing Company Lightweight honeycomb panel structure
EP0636780A1 (fr) * 1993-06-25 1995-02-01 Nordam Couche pour supprimer le bruit des réacteurs d'avion
US5653836A (en) * 1995-07-28 1997-08-05 Rohr, Inc. Method of repairing sound attenuation structure used for aircraft applications
WO2006047991A1 (fr) * 2004-11-02 2006-05-11 Airbus Sas Absorbant acoustique pour groupes motopropulseurs

Also Published As

Publication number Publication date
WO2009066036A2 (fr) 2009-05-28
BRPI0818630A2 (pt) 2015-04-07
CN101827702B (zh) 2013-10-02
EP2200818A2 (fr) 2010-06-30
RU2010119056A (ru) 2011-11-27
FR2922152A1 (fr) 2009-04-17
CA2700183A1 (fr) 2009-05-28
US8245815B2 (en) 2012-08-21
FR2922152B1 (fr) 2009-11-20
CN101827702A (zh) 2010-09-08
RU2477223C2 (ru) 2013-03-10
US20100212998A1 (en) 2010-08-26

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