FR2951854B1 - ACOUSTIC ABSORPTION DEVICE - Google Patents

ACOUSTIC ABSORPTION DEVICE

Info

Publication number
FR2951854B1
FR2951854B1 FR0957428A FR0957428A FR2951854B1 FR 2951854 B1 FR2951854 B1 FR 2951854B1 FR 0957428 A FR0957428 A FR 0957428A FR 0957428 A FR0957428 A FR 0957428A FR 2951854 B1 FR2951854 B1 FR 2951854B1
Authority
FR
France
Prior art keywords
absorption device
acoustic absorption
acoustic
absorption
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
FR0957428A
Other languages
French (fr)
Other versions
FR2951854A1 (en
Inventor
Nicolas Auffray
Marie-Pierre Bacos
Regis Bouchet
Vincent Marcadon
Sebastien Mercier
Pierre Josso
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.)
Office National dEtudes et de Recherches Aerospatiales ONERA
Original Assignee
Office National dEtudes et de Recherches Aerospatiales ONERA
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 Office National dEtudes et de Recherches Aerospatiales ONERA filed Critical Office National dEtudes et de Recherches Aerospatiales ONERA
Priority to FR0957428A priority Critical patent/FR2951854B1/en
Priority to PCT/FR2010/052224 priority patent/WO2011048323A2/en
Publication of FR2951854A1 publication Critical patent/FR2951854A1/en
Application granted granted Critical
Publication of FR2951854B1 publication Critical patent/FR2951854B1/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • 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
    • G10K11/162—Selection of materials
    • G10K11/168—Plural layers of different materials, e.g. sandwiches
FR0957428A 2009-10-22 2009-10-22 ACOUSTIC ABSORPTION DEVICE Expired - Fee Related FR2951854B1 (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
FR0957428A FR2951854B1 (en) 2009-10-22 2009-10-22 ACOUSTIC ABSORPTION DEVICE
PCT/FR2010/052224 WO2011048323A2 (en) 2009-10-22 2010-10-19 Sound absorption device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR0957428A FR2951854B1 (en) 2009-10-22 2009-10-22 ACOUSTIC ABSORPTION DEVICE

Publications (2)

Publication Number Publication Date
FR2951854A1 FR2951854A1 (en) 2011-04-29
FR2951854B1 true FR2951854B1 (en) 2014-09-12

Family

ID=42269650

Family Applications (1)

Application Number Title Priority Date Filing Date
FR0957428A Expired - Fee Related FR2951854B1 (en) 2009-10-22 2009-10-22 ACOUSTIC ABSORPTION DEVICE

Country Status (2)

Country Link
FR (1) FR2951854B1 (en)
WO (1) WO2011048323A2 (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR102160310B1 (en) * 2013-03-06 2020-09-28 에이비비 터보 시스템즈 아게 Sound attenuator of an exhaust gas turbocharger
FR3010225B1 (en) 2013-08-29 2016-12-30 Centre Nat Rech Scient ABSORBENT ACOUSTIC PANEL

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3770560A (en) * 1971-10-21 1973-11-06 American Cyanamid Co Composite laminate with a thin, perforated outer layer and cavitated bonded backing member
GB1406844A (en) * 1972-09-01 1975-09-17 Short Brothers & Harland Ltd Sound absorbing panels
US4421811A (en) 1979-12-21 1983-12-20 Rohr Industries, Inc. Method of manufacturing double layer attenuation panel with two layers of linear type material
US4742998A (en) * 1985-03-26 1988-05-10 Barry Wright Corporation Active vibration isolation system employing an electro-rheological fluid
DE3913347A1 (en) * 1989-04-22 1990-10-25 Stocksmeier Uwe Sound-insulating layer for flat surface - comprises regular hollow spaces enclosed by paper-strip walls
GB9101395D0 (en) * 1991-01-22 1991-03-06 Short Brothers Plc Structural cellular component
US5241512A (en) * 1991-04-25 1993-08-31 Hutchinson 2 Acoustic protection material and apparatus including such material
GB2276224B (en) * 1993-03-17 1996-09-25 Nissan Motor Sound shielding plate and application of sound shielding plate to underbody of engine room of automotive vehicle
JPH10333686A (en) * 1997-05-28 1998-12-18 Sharp Corp Muffler
US6977109B1 (en) * 1998-07-24 2005-12-20 3M Innovative Properties Company Microperforated polymeric film for sound absorption and sound absorber using same
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
DE10218473A1 (en) * 2001-05-08 2002-11-14 Atlas Fahrzeugtechnik Gmbh Device for damping airborne sound generated, in particular, by operating units in a motor vehicle comprises base and cover plates provided with substantially coaxial openings different sizes
JP4080901B2 (en) * 2002-09-20 2008-04-23 名古屋油化株式会社 Sound absorbing material
JP4975744B2 (en) * 2006-07-13 2012-07-11 株式会社ユニックス Translucent perforated laminated sound absorbing plate and translucent sound absorbing panel

Also Published As

Publication number Publication date
WO2011048323A3 (en) 2012-04-05
FR2951854A1 (en) 2011-04-29
WO2011048323A2 (en) 2011-04-28

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