FR2674362B1 - Isolant d'attenuation acoustique a resistance segmentee. - Google Patents

Isolant d'attenuation acoustique a resistance segmentee.

Info

Publication number
FR2674362B1
FR2674362B1 FR9203230A FR9203230A FR2674362B1 FR 2674362 B1 FR2674362 B1 FR 2674362B1 FR 9203230 A FR9203230 A FR 9203230A FR 9203230 A FR9203230 A FR 9203230A FR 2674362 B1 FR2674362 B1 FR 2674362B1
Authority
FR
France
Prior art keywords
acoustic attenuation
segmented resistance
insulation
attenuation insulation
segmented
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
Application number
FR9203230A
Other languages
English (en)
Other versions
FR2674362A1 (fr
Inventor
Noe Arcas
Charles A Parente
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Grumman Corp
Original Assignee
Grumman Aerospace 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 Grumman Aerospace Corp filed Critical Grumman Aerospace Corp
Publication of FR2674362A1 publication Critical patent/FR2674362A1/fr
Application granted granted Critical
Publication of FR2674362B1 publication Critical patent/FR2674362B1/fr
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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
    • B32B3/10—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
    • 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
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B15/00—Layered products comprising a layer of metal
    • B32B15/02—Layer formed of wires, e.g. mesh
    • 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
    • B32B15/00—Layered products comprising a layer of metal
    • B32B15/04—Layered products comprising a layer of metal comprising metal as the main or only constituent of a layer, which is next to another layer of the same or of a different material
    • B32B15/043—Layered products comprising a layer of metal comprising metal as the main or only constituent of a layer, which is next to another layer of the same or of a different material of metal
    • 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
    • B32B2305/00—Condition, form or state of the layers or laminate
    • B32B2305/02—Cellular or porous
    • B32B2305/024—Honeycomb
    • 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
    • B32B2305/00—Condition, form or state of the layers or laminate
    • B32B2305/38—Meshes, lattices or nets
    • 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
    • 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
    • B32B2307/70—Other properties
    • B32B2307/714—Inert, i.e. inert to chemical degradation, corrosion
    • 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

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Soundproofing, Sound Blocking, And Sound Damping (AREA)
  • Laminated Bodies (AREA)
FR9203230A 1991-03-18 1992-03-18 Isolant d'attenuation acoustique a resistance segmentee. Expired - Fee Related FR2674362B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US07/670,917 US5175401A (en) 1991-03-18 1991-03-18 Segmented resistance acoustic attenuating liner

Publications (2)

Publication Number Publication Date
FR2674362A1 FR2674362A1 (fr) 1992-09-25
FR2674362B1 true FR2674362B1 (fr) 1994-04-08

Family

ID=24692420

Family Applications (1)

Application Number Title Priority Date Filing Date
FR9203230A Expired - Fee Related FR2674362B1 (fr) 1991-03-18 1992-03-18 Isolant d'attenuation acoustique a resistance segmentee.

Country Status (5)

Country Link
US (1) US5175401A (fr)
DE (1) DE4208687C2 (fr)
FR (1) FR2674362B1 (fr)
GB (1) GB2256169B (fr)
NL (1) NL193642C (fr)

Families Citing this family (42)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5756182A (en) * 1989-12-04 1998-05-26 Supracor Systems, Inc. Method and apparatus for masking the acoustic signature of vessels
DE4340951A1 (de) * 1992-12-04 1994-06-09 Grumman Aerospace Corp Einstückiges Triebwerkeinlaß-Schallrohr
AU668027B2 (en) * 1993-01-13 1996-04-18 Supracor, Inc. Method and apparatus for masking the acoustic signature of vessels
US5782082A (en) * 1996-06-13 1998-07-21 The Boeing Company Aircraft engine acoustic liner
US5912442A (en) * 1997-07-02 1999-06-15 Trw Inc. Structure having low acoustically-induced vibration response
US6176964B1 (en) * 1997-10-20 2001-01-23 Vought Aircraft Industries, Inc. Method of fabricating an acoustic liner
US6224020B1 (en) * 1998-12-24 2001-05-01 Alliant Techsystems, Inc. Payload fairing with improved acoustic suppression
HUP0201964A2 (en) * 1999-07-15 2002-10-28 Schueco Int Kg Hollow plastic section
US6206136B1 (en) * 1999-07-23 2001-03-27 General Electric Company Acoustic liner and method of making an acoustic liner
IT1318059B1 (it) * 2000-06-28 2003-07-21 Aermacchi S P A Struttura fonoassorbente e di rinforzo per pannelli acustici digondole motore.
JP4409755B2 (ja) * 2000-12-15 2010-02-03 パナソニック株式会社 能動騒音制御装置
US6776258B1 (en) 2001-12-28 2004-08-17 Lockheed Martin Corporation Acoustic blanket system
FR2838859B1 (fr) * 2002-04-22 2004-07-16 Hurel Hispano Le Havre Procede d'assemblage et de controle d'un panneau acoustique a double resonateur avec ame en nid d'abeille
SE525812C2 (sv) * 2002-06-12 2005-05-03 Saab Ab Akustiskt foder, användning av ett foder samt sätt att framställa ett akustiskt foder
US7419031B2 (en) * 2005-11-04 2008-09-02 The Boeing Company Integrally damped composite aircraft floor panels
US7429015B2 (en) * 2004-12-20 2008-09-30 Sikorsky Aircraft Corporation Acoustic absorption blanket mounting system for an aircraft cabin
US7246772B2 (en) * 2004-12-20 2007-07-24 Sikorsky Aircraft Corporation Acoustic absorption system for an aircraft interior trim panel system
US7578468B2 (en) * 2004-12-20 2009-08-25 Sikorsky Aircraft Corporation Acoustic absorption system for an aircraft airframe
US7410126B2 (en) * 2004-12-20 2008-08-12 Sikorsky Aircraft Corporation Tunable acoustic absorption system for an aircraft cabin
US20060169533A1 (en) 2005-02-03 2006-08-03 Patrick William P Acoustic liner with a nonuniform depth backwall
US7861823B2 (en) * 2005-11-04 2011-01-04 United Technologies Corporation Duct for reducing shock related noise
FR2915522A1 (fr) * 2007-04-30 2008-10-31 Airbus France Sas Panneau acoustique a caracteristique acoustique variable
JP2009062977A (ja) * 2007-08-15 2009-03-26 Rohr Inc 線形音響ライナー
FR2925208B1 (fr) * 2007-12-14 2016-07-01 Eurocopter France Structure absorbante pour l'attenuation de bruits generes notamment par un rotor et carenage comportant une telle structure
US8573358B2 (en) * 2008-05-22 2013-11-05 3M Innovative Properties Company Multilayer sound absorbing structure comprising mesh layer
US8685302B2 (en) * 2012-02-20 2014-04-01 Honeywell International Inc. Monolithic acoustically-treated composite structures and methods for fabricating the same
WO2014197035A2 (fr) 2013-03-15 2014-12-11 United Technologies Corporation Revêtement acoustique ayant des caractéristiques variées
US9643392B2 (en) 2013-07-29 2017-05-09 The Boeing Company Septumization of honeycomb sandwiches
US8820477B1 (en) * 2013-07-29 2014-09-02 The Boeing Company Acoustic panel
US9693166B2 (en) 2014-06-24 2017-06-27 The Boeing Company Automated production of acoustic structures
US9931825B2 (en) 2014-07-09 2018-04-03 The Boeing Company Septumization of cellular cores
US10196979B2 (en) 2014-12-02 2019-02-05 United Technologies Corporation Acoustic panel repair methods and apparatus
ITUB20152261A1 (it) * 2015-07-17 2017-01-17 Mecaer Aviation Group S P A Pannello multistrato per l'insonorizzazione di interni aeronautici
CN105041473A (zh) * 2015-08-21 2015-11-11 成都博世德能源科技股份有限公司 一种用于燃气轮机的三级高效消声空气过滤系统
CN105089810A (zh) * 2015-08-21 2015-11-25 成都博世德能源科技股份有限公司 燃气轮机的三级高效消声空气过滤装置
CN105089803A (zh) * 2015-08-21 2015-11-25 成都博世德能源科技股份有限公司 高效消声的三级空气过滤系统
CN105114182A (zh) * 2015-08-21 2015-12-02 成都博世德能源科技股份有限公司 一种高效节能转叶式消声空气过滤装置
CN105089807A (zh) * 2015-08-21 2015-11-25 成都博世德能源科技股份有限公司 一种用于燃气轮机循环利用的高效消声空气过滤装置
CN105089808A (zh) * 2015-08-21 2015-11-25 成都博世德能源科技股份有限公司 一种用于燃气轮机高效消声的进气装置
CN105114183A (zh) * 2015-08-26 2015-12-02 成都博世德能源科技股份有限公司 一种用于空气净化的多级高效降噪过滤集成系统
US10532539B2 (en) * 2017-01-12 2020-01-14 Ford Global Technologies, Llc Thermal and mechanical shock resistant laminated metal plate assembly
US11485107B1 (en) * 2017-11-20 2022-11-01 Space Systems/Loral, Llc Laminate sandwich panel

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3630312A (en) * 1969-11-07 1971-12-28 Rohr Corp Sound absorptive honeycomb sandwich panel with multilayer, porous, structural facing
GB1369285A (en) * 1972-03-10 1974-10-02 American Cyanamid Co Vibration damping laminates
US4111081A (en) * 1976-01-02 1978-09-05 The Boeing Company Low non-linearity factor sound attenuating laminate
GB2038410B (en) * 1978-12-27 1982-11-17 Rolls Royce Acoustic lining utilising resonance
GB2059341B (en) * 1979-09-17 1983-06-08 Rohr Industries Inc Double layer attenuation panel
GB2061791B (en) * 1979-10-29 1983-05-11 Rohr Industries Inc Making a noise attenuation panel
GB2076049B (en) * 1980-05-17 1983-10-26 Rolls Royce Variable acoustic impedance lining
FR2486971A1 (fr) * 1980-07-21 1982-01-22 Tissmetal Lionel Dupont Toile a mailles variables utilisables pour filet de peche
US4465725A (en) * 1982-07-15 1984-08-14 Rohr Industries, Inc. Noise suppression panel
US4433021A (en) * 1982-09-22 1984-02-21 Rohr Industries, Inc. Sound attenuation sandwich panel including barrier material for corrosion control
DE3242940A1 (de) * 1982-11-20 1984-05-24 Hans Julius 6303 Hungen Schmitt Akustisch wirksames bauelement
US4947958A (en) * 1987-10-06 1990-08-14 Uas Support, Inc. Sound attenuating laminate installation for jet aircraft engines
JPH02122923A (ja) * 1988-11-01 1990-05-10 Fuji Heavy Ind Ltd 複合材パネルおよびその製造方法
US4990391A (en) * 1989-02-03 1991-02-05 Rohr Industries, Inc. Reticulated core to perforate sheet bonding and galvanic barrier

Also Published As

Publication number Publication date
US5175401A (en) 1992-12-29
NL193642B (nl) 2000-01-03
GB2256169A (en) 1992-12-02
NL9200504A (nl) 1992-10-16
DE4208687A1 (de) 1992-10-01
DE4208687C2 (de) 1996-09-12
GB2256169B (en) 1994-12-14
GB9205940D0 (en) 1992-04-29
NL193642C (nl) 2000-05-04
FR2674362A1 (fr) 1992-09-25

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Legal Events

Date Code Title Description
ST Notification of lapse