BR112017024121A2 - estruturas acústicas com múltiplos graus de liberdade - Google Patents

estruturas acústicas com múltiplos graus de liberdade

Info

Publication number
BR112017024121A2
BR112017024121A2 BR112017024121A BR112017024121A BR112017024121A2 BR 112017024121 A2 BR112017024121 A2 BR 112017024121A2 BR 112017024121 A BR112017024121 A BR 112017024121A BR 112017024121 A BR112017024121 A BR 112017024121A BR 112017024121 A2 BR112017024121 A2 BR 112017024121A2
Authority
BR
Brazil
Prior art keywords
acoustic
freedom
septum
multiple degrees
acoustic structures
Prior art date
Application number
BR112017024121A
Other languages
English (en)
Other versions
BR112017024121B1 (pt
Inventor
Ichihashi Fumitaka
Original Assignee
Hexcel Corp
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 Hexcel Corp filed Critical Hexcel Corp
Publication of BR112017024121A2 publication Critical patent/BR112017024121A2/pt
Publication of BR112017024121B1 publication Critical patent/BR112017024121B1/pt

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
    • E04B1/62—Insulation or other protection; Elements or use of specified material therefor
    • E04B1/74—Heat, sound or noise insulation, absorption, or reflection; Other building methods affording favourable thermal or acoustical conditions, e.g. accumulating of heat within walls
    • E04B1/82—Heat, sound or noise insulation, absorption, or reflection; Other building methods affording favourable thermal or acoustical conditions, e.g. accumulating of heat within walls specifically with respect to sound only
    • E04B1/84—Sound-absorbing elements
    • 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
    • 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
    • B64D33/00—Arrangements in aircraft of power plant parts or auxiliaries not otherwise provided for
    • B64D33/04—Arrangements in aircraft of power plant parts or auxiliaries not otherwise provided for of exhaust outlets or jet pipes
    • B64D33/06—Silencing exhaust or propulsion jets
    • 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)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • Architecture (AREA)
  • Electromagnetism (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Aviation & Aerospace Engineering (AREA)
  • Soundproofing, Sound Blocking, And Sound Damping (AREA)
  • Transducers For Ultrasonic Waves (AREA)
  • Diaphragms For Electromechanical Transducers (AREA)
  • Laminated Bodies (AREA)

Abstract

uma estrutura acústica com múltiplos graus de liberdade acústicos para reduzir o barulho gerado a partir de uma fonte. as tampas de septo acústicas, que são uma parte integrante da estrutura acústica, incluem porções de controle de profundidade que podem ser variadas em largura, de modo que as porções de septo de diferentes tampas de septo possam estar localizadas em diferentes profundidades dentro da estrutura acústica para proporcionar uma estrutura acústica com múltiplos graus de liberdade acústica mesmo que as tampas de septo acústicas estejam ancoradas na mesma profundidade dentro da estrutura.
BR112017024121-8A 2015-05-11 2016-04-18 Estrutura acústica com múltiplos graus de liberdade acústica para reduzir o barulho gerado a partir de uma fonte, nacela do motor, avião, método para produzir tal estrutura acústica e método para reduzir o barulho gerado a partir de uma fonte de barulho BR112017024121B1 (pt)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US14/708,382 US9469985B1 (en) 2015-05-11 2015-05-11 Acoustic structures with multiple degrees of freedom
US14/708,382 2015-05-11
PCT/US2016/028029 WO2016182693A1 (en) 2015-05-11 2016-04-18 Acoustic structures with multiple degrees of freedom

Publications (2)

Publication Number Publication Date
BR112017024121A2 true BR112017024121A2 (pt) 2018-07-31
BR112017024121B1 BR112017024121B1 (pt) 2022-10-04

Family

ID=55910377

Family Applications (1)

Application Number Title Priority Date Filing Date
BR112017024121-8A BR112017024121B1 (pt) 2015-05-11 2016-04-18 Estrutura acústica com múltiplos graus de liberdade acústica para reduzir o barulho gerado a partir de uma fonte, nacela do motor, avião, método para produzir tal estrutura acústica e método para reduzir o barulho gerado a partir de uma fonte de barulho

Country Status (10)

Country Link
US (1) US9469985B1 (pt)
EP (1) EP3295455B1 (pt)
JP (1) JP6824191B2 (pt)
CN (1) CN107533837B (pt)
AU (1) AU2016262348B2 (pt)
BR (1) BR112017024121B1 (pt)
CA (1) CA2978956C (pt)
ES (1) ES2919881T3 (pt)
RU (1) RU2670709C9 (pt)
WO (1) WO2016182693A1 (pt)

Families Citing this family (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9741331B1 (en) * 2016-06-01 2017-08-22 The Boeing Company Sound-attenuating composite structure
JP6292339B1 (ja) * 2016-12-25 2018-03-14 株式会社 静科 吸音パネル
EP3409459B1 (de) 2017-05-31 2019-08-21 Bucher Leichtbau AG Leichtbauteil
US10626799B2 (en) * 2017-07-19 2020-04-21 Hexcel Corporation Flexible acoustic honeycomb
US10577117B2 (en) * 2017-08-04 2020-03-03 Hexcel Corporation Angled acoustic honeycomb
RU2699298C2 (ru) * 2017-10-05 2019-09-04 Акционерное общество "Объединенная двигателестроительная корпорация" (АО "ОДК") Способ изготовления заготовки акустической структуры
US20190136765A1 (en) * 2017-11-09 2019-05-09 General Electric Company High temperature acoustic liner
US10836502B2 (en) * 2017-12-15 2020-11-17 The Boeing Company Wave-shaped acoustic insert and core
US11286957B2 (en) 2018-07-02 2022-03-29 Rohr, Inc. Method for inserting septum into acoustic liner
US11359577B2 (en) 2018-08-22 2022-06-14 Rohr, Inc. Multi-degree of freedom acoustic panel
FR3093374B1 (fr) * 2019-02-28 2023-06-16 Safran Nacelles Procédé d’élaboration d’âmes alvéolaires à formes coniques internes ouvertes
US20200291645A1 (en) * 2019-03-11 2020-09-17 Rohr, Inc. Acoustic panel
CN110588683A (zh) * 2019-08-16 2019-12-20 哈工大机电工程(嘉善)研究院 一种面向厢体结构低频宽带降噪的复合板
US11437008B2 (en) 2019-11-12 2022-09-06 Hexcel Corporation Acoustic barrier caps in acoustic honeycomb
FR3113169B1 (fr) * 2020-07-31 2022-12-09 Airbus Operations Sas Procédé de fabrication d’un panneau acoustique à peau capsulaire et panneau acoustique intégrant une telle peau
US11715450B2 (en) 2020-12-22 2023-08-01 Rohr, Inc. Acoustic panel core cell with funnel shaped septum
US11600255B2 (en) 2020-12-22 2023-03-07 Rohr, Inc. Acoustic panel core with multi-material and/or multi-layered construction
US11965465B2 (en) 2020-12-22 2024-04-23 Rohr, Inc. Acoustic panel with multiple layer corrugated core
US11869472B2 (en) 2021-08-02 2024-01-09 Rohr, Inc. Acoustic panel with reconfigurable chamber constrictions

Family Cites Families (28)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3887031A (en) * 1973-06-11 1975-06-03 Lockheed Aircraft Corp Dual-range sound absorber
FR2261872B1 (pt) * 1974-02-26 1976-06-25 Snecma
SU1353900A1 (ru) * 1986-06-16 1987-11-23 Центральный Научно-Исследовательский И Проектно-Конструкторский Институт По Проектированию Оборудования Для Целлюлозно-Бумажной Промышленности Глушитель шума
JPH02162398A (ja) * 1988-12-16 1990-06-21 Fuji Heavy Ind Ltd 消音パネル
US5445861A (en) * 1992-09-04 1995-08-29 The Boeing Company Lightweight honeycomb panel structure
EP0624459A3 (en) * 1993-05-13 1995-04-26 Ciba Geigy Ag Improvement of the surface of honeycomb sandwich structures using a hybrid core to improve durability.
CH691465A5 (de) * 1995-04-20 2001-07-31 Dornier Gmbh Schallschutz für Nutzlastverkleidungen bei Trägerraketen und Verfahren zum Herstellen eines Schallschutzes.
DE102004053383A1 (de) * 2004-11-02 2006-05-04 Eads Deutschland Gmbh Akustischer Absorber für Flugtriebwerke
US7419031B2 (en) * 2005-11-04 2008-09-02 The Boeing Company Integrally damped composite aircraft floor panels
US7510052B2 (en) * 2005-04-04 2009-03-31 Hexcel Corporation Acoustic septum cap honeycomb
US8413761B2 (en) * 2005-04-04 2013-04-09 Hexcel Corporation Acoustic honeycomb with perforated septum caps
US7434659B2 (en) 2005-04-04 2008-10-14 Hexcel Corporation Acoustic septum cap honeycomb
TWI474927B (zh) * 2009-01-06 2015-03-01 Cytec Tech Corp 具改良聲響及振動阻尼性質之結構性複合材料
FR2953058B1 (fr) * 2009-11-23 2017-11-03 Aircelle Sa Peau acoustique pour un panneau acoustique d'une nacelle d'aeronef
GB2478312B (en) * 2010-03-02 2012-08-22 Gkn Aerospace Services Ltd Seamless acoustic liner
US8251174B2 (en) * 2010-03-26 2012-08-28 Spirit Aerosystems, Inc. Method for bonding honeycomb cores
US8047329B1 (en) * 2010-08-13 2011-11-01 Rohr, Inc. System and method for noise suppression
BR112013025907A2 (pt) * 2011-04-08 2016-12-20 House 119 Inc estrutura laminada de absorção acústica
US9016042B2 (en) * 2011-05-20 2015-04-28 Rohr, Inc. Reinforcement members for aircraft propulsion system components configured to address delamination of the inner fixed structure
US8607924B2 (en) 2011-09-08 2013-12-17 Hexcel Corporation Anchoring of septums in acoustic honeycomb
US8651233B2 (en) * 2012-05-08 2014-02-18 Hexcel Corporation Acoustic structure with increased bandwidth suppression
FR2991625B1 (fr) * 2012-06-12 2014-06-20 Aircelle Sa Procede de fabrication de panneaux cellulaires, destines notamment au domaine de l'aeronautique
US8800714B2 (en) 2012-06-26 2014-08-12 Hexcel Corporation Structure with active acoustic openings
WO2014008507A2 (en) * 2012-07-06 2014-01-09 C&D Zodiac, Inc. Aircraft interior panel with acoustic materials
CN105492196A (zh) * 2013-07-15 2016-04-13 阿姆斯特郎世界工业公司 吸音结构
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
CN204029370U (zh) * 2014-02-22 2014-12-17 李新亮 一种隔音降噪面板及其边框

Also Published As

Publication number Publication date
CN107533837A (zh) 2018-01-02
RU2670709C1 (ru) 2018-10-24
US9469985B1 (en) 2016-10-18
AU2016262348A1 (en) 2017-09-14
RU2670709C9 (ru) 2018-11-29
CA2978956A1 (en) 2016-11-17
WO2016182693A1 (en) 2016-11-17
ES2919881T3 (es) 2022-07-28
JP6824191B2 (ja) 2021-02-03
CA2978956C (en) 2023-05-16
JP2018524619A (ja) 2018-08-30
EP3295455A1 (en) 2018-03-21
CN107533837B (zh) 2022-03-22
AU2016262348B2 (en) 2020-07-16
BR112017024121B1 (pt) 2022-10-04
EP3295455B1 (en) 2022-06-08

Similar Documents

Publication Publication Date Title
BR112017024121A2 (pt) estruturas acústicas com múltiplos graus de liberdade
BR112018072353A2 (pt) estruturas acústicas escalonadas com múltiplos graus de liberdade
BR112015004962A2 (pt) estrutura compósita, estabilizador de folheado, e, método de produção de uma estrutura compósita
BR112013019537A2 (pt) sessão de navegação privada recuperável
BR112015003318A2 (pt) sistema de perfuração de pressão gerenciada que tem modo de controle de poço
BR112014028112A2 (pt) sistema de válvulas solenoides
BR112018009393A8 (pt) produção microbiana de nicotinamida ribosídeo
BR112015007701A2 (pt) controle de perfuração direcional usando um eixo de acionamento dobrável
ES1133055Y (es) Lámpara de techo de focalización de rotación circular doble limitada por el anillo de retención.
BR112015029325A2 (pt) lâmpada de veículo
BR112017024980A2 (pt) ?painel e telhado?
DK3079803T3 (da) Indretning til at bestråle styrtegods med accelererede elektroner.
BR112015001791A2 (pt) arranjo de controle de fluxo
BR112016017509A2 (pt) composições e métodos compreendendo uma variante da enzima xilanase
BR112018001942A2 (pt) ?novo uso de sulfato de dextrano?
BR112016013305A8 (pt) inserto de corte, e, conjunto de ferramenta
EP3571584A4 (en) COMPUTER WITH BIOS OPTIMIZATION
BR112014016234A8 (pt) composições nutricionais estabilizadas incluindo amido
BR112017000490A2 (pt) componente condutor de fluxo
MY172369A (en) Microorganism of the genus escherichia producing l-tryptophan and method for producing l-tryptophan using the same
IN2014MN01968A (pt)
BR112018069543A2 (pt) sistemas e métodos para controlar uma usina de energia
BR112015029781A2 (pt) módulo solar, método para produzir uma porção de suporte e painel solar
FR3013759B1 (fr) Secteur de couronne d'equilibrage, partie de turbomachine equilibree et turbomachine
FR3001492B1 (fr) Stator de turbomachine avec controle passif de la purge

Legal Events

Date Code Title Description
B06U Preliminary requirement: requests with searches performed by other patent offices: procedure suspended [chapter 6.21 patent gazette]
B06A Patent application procedure suspended [chapter 6.1 patent gazette]
B09A Decision: intention to grant [chapter 9.1 patent gazette]
B16A Patent or certificate of addition of invention granted [chapter 16.1 patent gazette]

Free format text: PRAZO DE VALIDADE: 20 (VINTE) ANOS CONTADOS A PARTIR DE 18/04/2016, OBSERVADAS AS CONDICOES LEGAIS