DE59908778D1 - Gesteuerter akustischer wellenleiter zur schalldämpfung - Google Patents

Gesteuerter akustischer wellenleiter zur schalldämpfung

Info

Publication number
DE59908778D1
DE59908778D1 DE59908778T DE59908778T DE59908778D1 DE 59908778 D1 DE59908778 D1 DE 59908778D1 DE 59908778 T DE59908778 T DE 59908778T DE 59908778 T DE59908778 T DE 59908778T DE 59908778 D1 DE59908778 D1 DE 59908778D1
Authority
DE
Germany
Prior art keywords
acoustic wave
wave guide
hollow chamber
sound insulation
controlled acoustic
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 - Lifetime
Application number
DE59908778T
Other languages
English (en)
Inventor
Jan Krueger
Philip Leistner
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.)
Fraunhofer Gesellschaft zur Forderung der Angewandten Forschung eV
Original Assignee
Fraunhofer Gesellschaft zur Forderung der Angewandten Forschung eV
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 Fraunhofer Gesellschaft zur Forderung der Angewandten Forschung eV filed Critical Fraunhofer Gesellschaft zur Forderung der Angewandten Forschung eV
Application granted granted Critical
Publication of DE59908778D1 publication Critical patent/DE59908778D1/de
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
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
    • F01N1/00—Silencing apparatus characterised by method of silencing
    • F01N1/02—Silencing apparatus characterised by method of silencing by using resonance
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
    • F01N1/00—Silencing apparatus characterised by method of silencing
    • F01N1/06—Silencing apparatus characterised by method of silencing by using interference effect
    • F01N1/065—Silencing apparatus characterised by method of silencing by using interference effect by using an active noise source, e.g. speakers
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
    • F01N1/00—Silencing apparatus characterised by method of silencing
    • F01N1/16—Silencing apparatus characterised by method of silencing by using movable parts
    • F01N1/22—Silencing apparatus characterised by method of silencing by using movable parts the parts being resilient walls
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
    • F01N2490/00—Structure, disposition or shape of gas-chambers
    • F01N2490/14—Dead or resonance chambers connected to gas flow tube by relatively short side-tubes

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Soundproofing, Sound Blocking, And Sound Damping (AREA)
  • Exhaust Silencers (AREA)
  • Pipe Accessories (AREA)
  • Electrophonic Musical Instruments (AREA)
DE59908778T 1998-12-15 1999-12-15 Gesteuerter akustischer wellenleiter zur schalldämpfung Expired - Lifetime DE59908778D1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19861018A DE19861018C2 (de) 1998-12-15 1998-12-15 Gesteuerter akustischer Wellenleiter zur Schalldämpfung
PCT/EP1999/009966 WO2000036589A1 (de) 1998-12-15 1999-12-15 Gesteuerter akustischer wellenleiter zur schalldämpfung

Publications (1)

Publication Number Publication Date
DE59908778D1 true DE59908778D1 (de) 2004-04-08

Family

ID=7893262

Family Applications (2)

Application Number Title Priority Date Filing Date
DE19861018A Expired - Fee Related DE19861018C2 (de) 1998-12-15 1998-12-15 Gesteuerter akustischer Wellenleiter zur Schalldämpfung
DE59908778T Expired - Lifetime DE59908778D1 (de) 1998-12-15 1999-12-15 Gesteuerter akustischer wellenleiter zur schalldämpfung

Family Applications Before (1)

Application Number Title Priority Date Filing Date
DE19861018A Expired - Fee Related DE19861018C2 (de) 1998-12-15 1998-12-15 Gesteuerter akustischer Wellenleiter zur Schalldämpfung

Country Status (6)

Country Link
US (1) US6963647B1 (de)
EP (1) EP1141936B1 (de)
JP (1) JP2002532999A (de)
AT (1) ATE261170T1 (de)
DE (2) DE19861018C2 (de)
WO (1) WO2000036589A1 (de)

Families Citing this family (35)

* Cited by examiner, † Cited by third party
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US6771787B1 (en) * 1998-09-03 2004-08-03 Bose Corporation Waveguide electroacoustical transducing
DE10201494A1 (de) * 2002-01-17 2003-07-31 Mann & Hummel Filter Resonator
GB2387522B (en) * 2002-04-10 2005-09-28 Hobelsberger Max Tunable active sound absorbers
DE102004040421A1 (de) * 2004-08-19 2006-03-09 J. Eberspächer GmbH & Co. KG Aktiver Abgasschalldämpfer
DE102005001807A1 (de) * 2005-01-13 2006-07-20 Air Liquide Deutschland Gmbh Verfahren zum Erhitzen eines Industrieofens und dafür geeignete Vorrichtung
DE102005011747B3 (de) * 2005-03-11 2006-06-29 Benteler Automobiltechnik Gmbh Aktiver Abgasschalldämpfer
DE102005048905B3 (de) * 2005-10-10 2006-08-31 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Aktiver Kanalschalldämpfer
US7686132B2 (en) * 2005-12-29 2010-03-30 3M Innovative Properties Company Porous membrane
DE102006010558A1 (de) * 2006-03-06 2007-09-13 J. Eberspächer GmbH & Co. KG Aktiver Schalldämpfer für eine Abgasanlage
DE102006042224B3 (de) * 2006-09-06 2008-01-17 J. Eberspächer GmbH & Co. KG Aktiver Schalldämpfer für eine Abgasanlage
KR100811862B1 (ko) * 2006-12-28 2008-03-10 한국표준과학연구원 압전배열막을 이용한 음향센서
DE102007032600A1 (de) * 2007-07-11 2009-01-15 Deutsches Zentrum für Luft- und Raumfahrt e.V. Vorrichtung und Verfahren zur Verbesserung der Dämpfung von akustischen Wellen
EP2072769B1 (de) * 2007-12-21 2010-06-16 Robert Bosch Gmbh Vorrichtung und Verfahren zur aktiven Lärmbekämpfung im Abgaskanal eines Verbrennungsmotors
US7753165B2 (en) 2007-12-21 2010-07-13 Robert Bosch Gmbh Device and method for active noise cancellation in exhaust gas channel of a combustion engine
US8351629B2 (en) * 2008-02-21 2013-01-08 Robert Preston Parker Waveguide electroacoustical transducing
US8295526B2 (en) * 2008-02-21 2012-10-23 Bose Corporation Low frequency enclosure for video display devices
US8351630B2 (en) 2008-05-02 2013-01-08 Bose Corporation Passive directional acoustical radiating
US9275628B2 (en) * 2008-05-05 2016-03-01 Bonnie S. Schnitta Tunable frequency acoustic structures
US20100002385A1 (en) * 2008-07-03 2010-01-07 Geoff Lyon Electronic device having active noise control and a port ending with curved lips
US8165311B2 (en) * 2009-04-06 2012-04-24 International Business Machines Corporation Airflow optimization and noise reduction in computer systems
DE102009031848A1 (de) * 2009-07-03 2011-01-05 J. Eberspächer GmbH & Co. KG Abgasanlage mit aktivem Schalldämpfer
US8265310B2 (en) * 2010-03-03 2012-09-11 Bose Corporation Multi-element directional acoustic arrays
US8553894B2 (en) 2010-08-12 2013-10-08 Bose Corporation Active and passive directional acoustic radiating
DE102012106515B4 (de) 2012-07-18 2023-10-26 Dr. Ing. H.C. F. Porsche Aktiengesellschaft Verfahren und Vorrichtung zur Geräuscherzeugung im Innenraum eines Kraftfahrzeugs
FR3005993B1 (fr) * 2013-05-23 2015-06-26 Dcns Systeme de silencieux actif pour ligne d'echappement d'un moteur diesel notamment de plateforme navale
DE102013210709A1 (de) * 2013-06-07 2014-12-11 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Schallstrahler-Anordnung für aktive Schalldämpfer
US9537527B2 (en) * 2014-12-29 2017-01-03 Samsung Electronics Co., Ltd. User terminal apparatus
US9864410B2 (en) 2014-12-29 2018-01-09 Samsung Electronics Co., Ltd. Foldable device and method of controlling the same
US10057701B2 (en) 2015-03-31 2018-08-21 Bose Corporation Method of manufacturing a loudspeaker
US9451355B1 (en) 2015-03-31 2016-09-20 Bose Corporation Directional acoustic device
FR3043178B1 (fr) 2015-11-02 2019-08-23 Technofirst Installation pour la ventilation naturelle d'un local pourvue d'un amortisseur de bruit
FR3043179A1 (fr) 2015-11-02 2017-05-05 Technofirst Installation pour la ventilation naturelle d'un local presentant un passage de ventilation associe a un amortisseur de bruit
FR3043177B1 (fr) 2015-11-02 2019-08-23 Technofirst Installation pour la ventilation naturelle d'un local
DE102017203181B4 (de) 2017-02-28 2021-08-26 Audi Ag Klangerzeugungsvorrichtung zur Erzeugung von Abgasanlagensound sowie ein zugehöriges Kraftfahrzeug
CN115331651B (zh) * 2022-08-09 2023-03-31 四川大学 一种低频减振吸声一体化的声子晶体复合降噪结构及设计方法

Family Cites Families (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ZA825676B (en) 1981-08-11 1983-06-29 Sound Attenuators Ltd Method and apparatus for low frequency active attennuation
US5457749A (en) * 1990-04-09 1995-10-10 Noise Cancellation Technologies, Inc. Electronic muffler
US5233137A (en) 1990-04-25 1993-08-03 Ford Motor Company Protective anc loudspeaker membrane
US5229556A (en) * 1990-04-25 1993-07-20 Ford Motor Company Internal ported band pass enclosure for sound cancellation
DE4027511C1 (de) 1990-08-30 1991-10-02 Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V., 8000 Muenchen, De
DE4033269A1 (de) * 1990-10-19 1992-04-23 Gillet Heinrich Gmbh Schalldaempferanlage fuer kraftfahrzeuge
GB2253076B (en) * 1991-02-21 1994-08-03 Lotus Car Method and apparatus for attenuating acoustic vibrations in a medium
US5619020A (en) * 1991-08-29 1997-04-08 Noise Cancellation Technologies, Inc. Muffler
US5550334A (en) * 1991-10-30 1996-08-27 Noise Cancellation Technologies, Inc. Actively sound reduced muffler having a venturi effect configuration
DE4226885C2 (de) 1992-08-13 2001-04-19 Bayerische Motoren Werke Ag Schallabsorptionsverfahren für Kraftfahrzeuge
JP2587683Y2 (ja) * 1993-08-12 1998-12-24 カルソニック株式会社 能動型消音器
DE4446080B4 (de) 1994-12-22 2004-03-18 Bayerische Motoren Werke Ag Schallabsorptionssystem für Kraftfahrzeuge
FR2740599B1 (fr) * 1995-10-30 1997-12-19 Technofirst Dispositif d'attenuation acoustique active destine a etre dispose a l'interieur d'un conduit, en particulier pour l'insonorisation de reseau de ventilation et/ou de climatisation
DE19612572A1 (de) 1996-03-29 1997-10-02 Fraunhofer Ges Forschung Reinigbarer Schalldämpfer für tiefe Frequenzen
ES2162292T3 (es) 1996-05-14 2001-12-16 Fraunhofer Ges Forschung Amortiguador de ruido reactivo.
US6418227B1 (en) * 1996-12-17 2002-07-09 Texas Instruments Incorporated Active noise control system and method for on-line feedback path modeling

Also Published As

Publication number Publication date
DE19861018A1 (de) 2000-06-29
EP1141936A1 (de) 2001-10-10
JP2002532999A (ja) 2002-10-02
WO2000036589A1 (de) 2000-06-22
DE19861018C2 (de) 2001-06-13
ATE261170T1 (de) 2004-03-15
EP1141936B1 (de) 2004-03-03
US6963647B1 (en) 2005-11-08

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Legal Events

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8364 No opposition during term of opposition