EP0680031A3 - Amortisseur acoustique - Google Patents

Amortisseur acoustique Download PDF

Info

Publication number
EP0680031A3
EP0680031A3 EP94117818A EP94117818A EP0680031A3 EP 0680031 A3 EP0680031 A3 EP 0680031A3 EP 94117818 A EP94117818 A EP 94117818A EP 94117818 A EP94117818 A EP 94117818A EP 0680031 A3 EP0680031 A3 EP 0680031A3
Authority
EP
European Patent Office
Prior art keywords
molded part
resonators
sound source
perforated plate
damping element
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.)
Granted
Application number
EP94117818A
Other languages
German (de)
English (en)
Other versions
EP0680031A2 (fr
EP0680031B1 (fr
Inventor
Reinhard Stief
Gerhard Dr. Müller-Broll
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.)
Carl Freudenberg KG
Original Assignee
Carl Freudenberg KG
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 Carl Freudenberg KG filed Critical Carl Freudenberg KG
Publication of EP0680031A2 publication Critical patent/EP0680031A2/fr
Publication of EP0680031A3 publication Critical patent/EP0680031A3/fr
Application granted granted Critical
Publication of EP0680031B1 publication Critical patent/EP0680031B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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
    • G10K11/172—Methods or devices for protecting against, or for damping, noise or other acoustic waves in general using resonance effects

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Soundproofing, Sound Blocking, And Sound Damping (AREA)
  • Duct Arrangements (AREA)
  • Building Environments (AREA)
  • Obtaining Desirable Characteristics In Audible-Bandwidth Transducers (AREA)
  • Exhaust Silencers (AREA)
EP94117818A 1994-04-27 1994-11-11 Amortisseur acoustique Expired - Lifetime EP0680031B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE4414566 1994-04-27
DE4414566A DE4414566C2 (de) 1994-04-27 1994-04-27 Luftschalldämpfer

Publications (3)

Publication Number Publication Date
EP0680031A2 EP0680031A2 (fr) 1995-11-02
EP0680031A3 true EP0680031A3 (fr) 1995-11-15
EP0680031B1 EP0680031B1 (fr) 1999-06-16

Family

ID=6516487

Family Applications (1)

Application Number Title Priority Date Filing Date
EP94117818A Expired - Lifetime EP0680031B1 (fr) 1994-04-27 1994-11-11 Amortisseur acoustique

Country Status (4)

Country Link
US (1) US5587564A (fr)
EP (1) EP0680031B1 (fr)
JP (1) JP2986711B2 (fr)
DE (1) DE4414566C2 (fr)

Families Citing this family (44)

* Cited by examiner, † Cited by third party
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JP2815542B2 (ja) * 1994-08-31 1998-10-27 三菱電機ホーム機器株式会社 多孔質構造体を用いた吸音機構
JP2848587B2 (ja) * 1995-10-23 1999-01-20 株式会社神戸製鋼所 吸音性制振形材
GB9522724D0 (en) * 1995-11-06 1996-01-10 Acts Ltd A noise attenuator for an induction system or an exhaust system
DE19620375A1 (de) * 1996-05-21 1997-11-27 Polymer Chemie Gmbh Schalldämmendes und -dämpfendes Bauteil
TW345603B (en) * 1996-05-29 1998-11-21 Gmundner Fertigteile Gmbh A noise control device for tracks
US6015026A (en) * 1997-06-06 2000-01-18 Owens-Corning Fiberglas Technology, Inc. Acoustical diffuser assembly and method of installation
DE19804567C2 (de) * 1998-02-05 2003-12-11 Woco Franz Josef Wolf & Co Gmbh Flächenabsorber für Schallwellen und Verwendung
DE29803675U1 (de) * 1998-03-03 1999-07-15 M. Faist GmbH & Co KG, 86381 Krumbach Schallschutzabschirmung
JP2000330571A (ja) * 1999-05-21 2000-11-30 Nok Vibracoustic Kk 吸音構造体
JP2001282249A (ja) * 2000-03-30 2001-10-12 Nok Vibracoustic Kk 吸音材
JP2002029330A (ja) * 2000-07-18 2002-01-29 Nok Vibracoustic Kk 吸音構造体
US7395898B2 (en) * 2004-03-05 2008-07-08 Rsm Technologies Limited Sound attenuating structures
DK1607544T3 (da) * 2004-06-17 2009-08-10 Heimbach Gmbh & Co Kg Lyddæmpende arrangement for en væg, et loft eller en gulvbelægning
KR100571539B1 (ko) * 2004-06-30 2006-04-24 김배영 흡음 블록 및 그 시공 방법
AU2006338524B2 (en) * 2006-04-27 2011-10-13 Masao Suzuki Sound insulating device
US7520370B2 (en) * 2006-05-17 2009-04-21 William Orlin Gudim Combination acoustic diffuser and absorber and method of production thereof
JP5326472B2 (ja) * 2007-10-11 2013-10-30 ヤマハ株式会社 吸音構造
EP2085962A2 (fr) * 2008-02-01 2009-08-05 Yamaha Corporation Structure absorbant les sons et composant de véhicule doté de propriétés absorbant les sons
US20090223738A1 (en) * 2008-02-22 2009-09-10 Yamaha Corporation Sound absorbing structure and vehicle component having sound absorption property
JP5194972B2 (ja) * 2008-04-09 2013-05-08 トヨタ紡織株式会社 防音材
JP5245641B2 (ja) * 2008-08-20 2013-07-24 ヤマハ株式会社 吸音構造体
DE102009034463A1 (de) 2009-07-22 2011-02-03 Filtro Klimatechnik Gmbh Schalldämpfungskörper
US8424637B2 (en) * 2010-01-08 2013-04-23 Richard L. Lenz, Jr. Systems and methods for providing an asymmetric cellular acoustic diffuser
ITRA20100013A1 (it) * 2010-05-04 2011-11-05 Simone Meneghel "pannello fonoisolante frangi-onda"
EP2691947A2 (fr) * 2011-03-29 2014-02-05 Katholieke Universiteit Leuven Atténuation vibro-acoustique ou transmission d'énergie réduite
WO2013052702A1 (fr) 2011-10-06 2013-04-11 Hrl Laboratories, Llc Membrane anti-résonante à grande largeur de bande
WO2013098384A1 (fr) * 2011-12-31 2013-07-04 Saint-Gobain Performance Plastics Chaineux Motif optimisé d'une couche antivibratoire pour des constructions de murs, de planchers et de plafonds
US8474574B1 (en) * 2012-02-29 2013-07-02 Inoac Corporation Sound absorbing structure
US11021870B1 (en) * 2013-03-14 2021-06-01 Hrl Laboratories, Llc Sound blocking enclosures with antiresonant membranes
WO2014185271A1 (fr) * 2013-05-16 2014-11-20 株式会社トヨックス Élément à rayonnement et membre de conduction thermique
US8869933B1 (en) 2013-07-29 2014-10-28 The Boeing Company Acoustic barrier support structure
US8857563B1 (en) 2013-07-29 2014-10-14 The Boeing Company Hybrid acoustic barrier and absorber
WO2016026424A1 (fr) * 2014-08-20 2016-02-25 The Hong Kong University Of Science And Technology Dispositif de protection acoustique absorbant les vibrations
GB201415874D0 (en) * 2014-09-08 2014-10-22 Sonobex Ltd Acoustic Attenuator
TWI625446B (zh) * 2015-06-18 2018-06-01 德克薩斯大學體系董事會 用於抑制來自液體中的源的聲能的共振器、共振器陣列和雜訊消減系統
US9630575B2 (en) * 2015-09-30 2017-04-25 GM Global Technology Operations LLC Panel assembly with noise attenuation system
WO2018101164A1 (fr) * 2016-11-29 2018-06-07 富士フイルム株式会社 Structure d'insonorisation
JP6636471B2 (ja) * 2017-02-16 2020-01-29 株式会社ニフコ 吸音体、および、吸音構造
US10741159B2 (en) 2017-09-10 2020-08-11 Douglas Peter Magyari Acoustic-absorber system and method
US12403034B2 (en) 2019-01-31 2025-09-02 Flotherm, Inc. Sleeve-based body temperature regulation
JP2019194743A (ja) * 2019-08-19 2019-11-07 株式会社リコー 電気機器
DE102019128209B4 (de) * 2019-10-18 2023-02-02 Daniel Mohr Schallabsorbierende Vorrichtung mit Noppenfolienverbund und Verwendung
AU2021211657B2 (en) 2020-01-21 2026-04-09 Adbm Corp. Simultaneously attenuating high-frequencies and amplifying low-frequencies of underwater sounds
US12502308B2 (en) 2021-07-01 2025-12-23 Flotherm, Inc. Flexible heating pads

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2904125A (en) * 1953-05-08 1959-09-15 Emhart Mfg Co Straight through silencer
EP0246464A1 (fr) * 1986-05-14 1987-11-25 Pape, Hans Couche absorbante d'ondes acoustiques pour un mur ou une couverture
EP0317380A1 (fr) * 1987-10-27 1989-05-24 Thomson-Csf Revêtement anéchoique pour ondes acoustiques
EP0454949A2 (fr) * 1990-04-11 1991-11-06 Firma Carl Freudenberg Moyen d'amortissement de son transmis par l'air

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2124463A (en) * 1935-11-16 1938-07-19 Woodall Industries Inc Sound insulation
US2887173A (en) * 1957-05-22 1959-05-19 G A Societa Per Azioni Sa Sound absorbing and insulating panel
US3269484A (en) * 1963-09-24 1966-08-30 Lighter Stephen Acoustic absorbing structure
DE2632290C3 (de) * 1976-07-17 1980-02-14 Messerschmitt-Boelkow-Blohm Gmbh, 8000 Muenchen Schallreduktion durch mitschwingende Resonatoren
DE2921050A1 (de) * 1979-05-23 1980-11-27 Fraunhofer Ges Forschung Schallabsorbierendes bauelement aus kunststoff-folie
US4242398A (en) * 1979-01-16 1980-12-30 Teijin Limited Fibrous shaped article having non-level surface
DE3462833D1 (en) * 1983-01-20 1987-04-30 Illbruck Gmbh Acoustic absorber plate
CH671848B (fr) * 1986-05-16 1989-09-29
US4821841A (en) * 1987-06-16 1989-04-18 Bruce Woodward Sound absorbing structures
DE8803634U1 (de) * 1988-03-17 1988-04-28 Gebrüder Trox, Gesellschaft mit beschränkter Haftung, 4133 Neukirchen-Vluyn Schalldämpfer für strömende Gase in Lüftungs- und Klimaanlagen
CH678201A5 (fr) * 1989-03-17 1991-08-15 Lignoform Formsperrholz Ag

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2904125A (en) * 1953-05-08 1959-09-15 Emhart Mfg Co Straight through silencer
EP0246464A1 (fr) * 1986-05-14 1987-11-25 Pape, Hans Couche absorbante d'ondes acoustiques pour un mur ou une couverture
EP0317380A1 (fr) * 1987-10-27 1989-05-24 Thomson-Csf Revêtement anéchoique pour ondes acoustiques
EP0454949A2 (fr) * 1990-04-11 1991-11-06 Firma Carl Freudenberg Moyen d'amortissement de son transmis par l'air

Also Published As

Publication number Publication date
EP0680031A2 (fr) 1995-11-02
DE4414566A1 (de) 1995-11-02
EP0680031B1 (fr) 1999-06-16
US5587564A (en) 1996-12-24
JP2986711B2 (ja) 1999-12-06
JPH0844370A (ja) 1996-02-16
DE4414566C2 (de) 1997-11-20

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