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DE68911112D1 - Abgasschalldämpfer-anlage für brennkraftmaschnine. - Google Patents

Abgasschalldämpfer-anlage für brennkraftmaschnine.

Info

Publication number
DE68911112D1
DE68911112D1 DE89902911T DE68911112T DE68911112D1 DE 68911112 D1 DE68911112 D1 DE 68911112D1 DE 89902911 T DE89902911 T DE 89902911T DE 68911112 T DE68911112 T DE 68911112T DE 68911112 D1 DE68911112 D1 DE 68911112D1
Authority
DE
Germany
Prior art keywords
combustion engine
internal combustion
exhaust silencer
silencer system
exhaust
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
DE89902911T
Other languages
English (en)
Other versions
DE68911112T2 (de
Inventor
John Gardner
Eldon Ziegler
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.)
Noise Cancellation Technologies Inc
Original Assignee
Noise Cancellation Technologies Inc
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 Noise Cancellation Technologies Inc filed Critical Noise Cancellation Technologies Inc
Application granted granted Critical
Publication of DE68911112D1 publication Critical patent/DE68911112D1/de
Publication of DE68911112T2 publication Critical patent/DE68911112T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • 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
    • 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
    • F01N1/00—Silencing apparatus characterised by method of silencing
    • F01N1/06—Silencing apparatus characterised by method of silencing by using interference effect
    • 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
    • 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
    • G10K11/175—Methods or devices for protecting against, or for damping, noise or other acoustic waves in general using interference effects; Masking sound
    • G10K11/178—Methods or devices for protecting against, or for damping, noise or other acoustic waves in general using interference effects; Masking sound by electro-acoustically regenerating the original acoustic waves in anti-phase
    • G10K11/1785—Methods, e.g. algorithms; Devices
    • G10K11/17857—Geometric disposition, e.g. placement of microphones
    • 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
    • G10K11/175—Methods or devices for protecting against, or for damping, noise or other acoustic waves in general using interference effects; Masking sound
    • G10K11/178—Methods or devices for protecting against, or for damping, noise or other acoustic waves in general using interference effects; Masking sound by electro-acoustically regenerating the original acoustic waves in anti-phase
    • G10K11/1785—Methods, e.g. algorithms; Devices
    • G10K11/17861—Methods, e.g. algorithms; Devices using additional means for damping sound, e.g. using sound absorbing panels
    • 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
    • G10K11/175—Methods or devices for protecting against, or for damping, noise or other acoustic waves in general using interference effects; Masking sound
    • G10K11/178—Methods or devices for protecting against, or for damping, noise or other acoustic waves in general using interference effects; Masking sound by electro-acoustically regenerating the original acoustic waves in anti-phase
    • G10K11/1787—General system configurations
    • G10K11/17879—General system configurations using both a reference signal and an error signal
    • G10K11/17881—General system configurations using both a reference signal and an error signal the reference signal being an acoustic signal, e.g. recorded with a microphone
    • 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
    • G10K11/175—Methods or devices for protecting against, or for damping, noise or other acoustic waves in general using interference effects; Masking sound
    • G10K11/178—Methods or devices for protecting against, or for damping, noise or other acoustic waves in general using interference effects; Masking sound by electro-acoustically regenerating the original acoustic waves in anti-phase
    • G10K11/1787—General system configurations
    • G10K11/17879—General system configurations using both a reference signal and an error signal
    • G10K11/17883—General system configurations using both a reference signal and an error signal the reference signal being derived from a machine operating condition, e.g. engine RPM or vehicle speed
    • 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
    • G10K2210/00—Details of active noise control [ANC] covered by G10K11/178 but not provided for in any of its subgroups
    • G10K2210/10—Applications
    • G10K2210/128—Vehicles
    • G10K2210/1282—Automobiles
    • G10K2210/12822—Exhaust pipes or mufflers
    • 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
    • G10K2210/00—Details of active noise control [ANC] covered by G10K11/178 but not provided for in any of its subgroups
    • G10K2210/30—Means
    • G10K2210/321—Physical
    • G10K2210/3227—Resonators
    • 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
    • G10K2210/00—Details of active noise control [ANC] covered by G10K11/178 but not provided for in any of its subgroups
    • G10K2210/30—Means
    • G10K2210/321—Physical
    • G10K2210/3227—Resonators
    • G10K2210/32272—Helmholtz resonators

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Exhaust Silencers (AREA)
  • Soundproofing, Sound Blocking, And Sound Damping (AREA)
DE68911112T 1988-02-19 1989-02-17 Abgasschalldämpfer-anlage für brennkraftmaschnine. Expired - Fee Related DE68911112T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US15888388A 1988-02-19 1988-02-19
PCT/US1989/000665 WO1989007701A1 (en) 1988-02-19 1989-02-17 Active sound attenuation system for engine exhaust systems and the like

Publications (2)

Publication Number Publication Date
DE68911112D1 true DE68911112D1 (de) 1994-01-13
DE68911112T2 DE68911112T2 (de) 1994-05-26

Family

ID=22570133

Family Applications (1)

Application Number Title Priority Date Filing Date
DE68911112T Expired - Fee Related DE68911112T2 (de) 1988-02-19 1989-02-17 Abgasschalldämpfer-anlage für brennkraftmaschnine.

Country Status (8)

Country Link
EP (1) EP0373188B1 (de)
JP (1) JP2709743B2 (de)
KR (1) KR0137271B1 (de)
BR (1) BR8905996A (de)
CA (1) CA1329140C (de)
DE (1) DE68911112T2 (de)
RU (1) RU2009334C1 (de)
WO (1) WO1989007701A1 (de)

Families Citing this family (38)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB9003959D0 (en) * 1990-02-21 1990-04-18 Ross Colin F Active control of internal combustion engine performance
US5125241A (en) * 1990-03-12 1992-06-30 Kabushiki Kaisha Toshiba Refrigerating apparatus having noise attenuation
AU7572191A (en) * 1990-04-09 1991-10-30 Active Noise And Vibration Technologies, Inc. Single cavity automobile muffler
US5133017A (en) * 1990-04-09 1992-07-21 Active Noise And Vibration Technologies, Inc. Noise suppression system
US5272286A (en) * 1990-04-09 1993-12-21 Active Noise And Vibration Technologies, Inc. Single cavity automobile muffler
US5229556A (en) * 1990-04-25 1993-07-20 Ford Motor Company Internal ported band pass enclosure for sound cancellation
US5319165A (en) * 1990-04-25 1994-06-07 Ford Motor Company Dual bandpass secondary source
DE4033269A1 (de) * 1990-10-19 1992-04-23 Gillet Heinrich Gmbh Schalldaempferanlage fuer kraftfahrzeuge
GB9118779D0 (en) * 1991-08-29 1991-10-16 Active Noise & Vibration Tech Muffler
DK0615648T3 (da) * 1991-12-02 1999-11-01 Noise Cancellation Tech Aktiv støjstyring i en indkapsling med en flerhed af transducere
JP2585551Y2 (ja) * 1992-01-17 1998-11-18 三菱自動車工業株式会社 エンジン排気音の適応型能動消音装置
US5210805A (en) * 1992-04-06 1993-05-11 Ford Motor Company Transducer flux optimization
US5822439A (en) * 1992-05-01 1998-10-13 Fujitsu Ten Limited Noise control device
EP0592693B1 (de) * 1992-05-01 1999-06-16 Fujitsu Ten, Ltd. Lärmkontrollegerät
DE4317403A1 (de) * 1993-05-26 1994-12-01 Nokia Deutschland Gmbh Anordnung zur aktiven Schalldämpfung
JPH08512410A (ja) * 1993-07-07 1996-12-24 ライストリッツ アクチェンゲゼルシャフト ウント コンパニー アップガーステヒニク 能動的な消音器
US5494151A (en) * 1993-08-06 1996-02-27 Shinko Electric Co., Ltd. Vibratory parts-feeder apparatus
KR20030049423A (ko) * 2001-12-15 2003-06-25 현대자동차주식회사 흡기소음 제어장치
WO2005030048A1 (en) 2003-09-23 2005-04-07 The Research Foundation Of State University Of New York Method for predicting apnea-hypopnea index from overnight pulse oximetry readings
DE102004040421A1 (de) 2004-08-19 2006-03-09 J. Eberspächer GmbH & Co. KG Aktiver Abgasschalldämpfer
DE102008018085A1 (de) 2008-04-09 2009-10-15 J. Eberspächer GmbH & Co. KG Aktiver Schalldämpfer
DE102009049280B4 (de) 2009-10-13 2016-10-06 Eberspächer Exhaust Technology GmbH & Co. KG Aktiver Schalldämpfer
SE535923C2 (sv) * 2011-04-29 2013-02-19 Scania Cv Ab Ljuddämparanordning och motorfordon innefattande en sådan ljuddämparanordning
US9025786B2 (en) 2011-06-01 2015-05-05 Eberspaecher Exhaust Technology Gmbh & Co. Kg Active noise control system for exhaust systems and method for controlling the same
DE102011106647A1 (de) 2011-07-05 2013-01-10 J. Eberspächer GmbH & Co. KG Antischall-system für abgasanlagen und verfahren zum steuern desselben
DE102011117495B4 (de) 2011-11-02 2014-08-21 Eberspächer Exhaust Technology GmbH & Co. KG Überlastungsschutz für Lautsprecher in Abgasanlagen
EP2600342B1 (de) 2011-12-02 2018-05-09 Eberspächer Exhaust Technology GmbH & Co. KG Aktive Gestaltung von Abgasgeräuschen
DE102012109872B4 (de) 2012-10-16 2015-08-27 Eberspächer Exhaust Technology GmbH & Co. KG Lautsprecher mit verbesserter thermischer Belastbarkeit
EP2797075B1 (de) 2013-04-26 2018-09-12 Eberspächer Exhaust Technology GmbH & Co. KG System zur Beeinflussung von Abgasgeräuschen, Motorgeräuschen und/oder Ansauggeräuschen
DE102013104307A1 (de) 2013-04-26 2014-10-30 Eberspächer Exhaust Technology GmbH & Co. KG System zur Beeinflussung von Abgasgeräuschen und/oder Ansauggeräuschen und/oder Motorgeräuschen
DE102013104810A1 (de) 2013-05-08 2014-11-13 Eberspächer Exhaust Technology GmbH & Co. KG Schallerzeuger für ein antischall-system zur beeinflussung von abgasgeräuschen und/oder ansauggeräuschen 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
DE102013010609B4 (de) 2013-06-25 2023-07-27 Purem GmbH System zur Beeinflussung von Abgasgeräuschen in einer mehrflutigen Abgasanlage und Kraftfahrzeug
DE102013011937B3 (de) 2013-07-17 2014-10-09 Eberspächer Exhaust Technology GmbH & Co. KG Schallerzeuger für ein Antischall-System zur Beeinflussung von Abgasgeräuschen und/oder Ansauggeräuschen eines Kraftfahrzeugs
JP2015172370A (ja) 2014-03-04 2015-10-01 エーバーシュペッヒャー・エグゾースト・テクノロジー・ゲーエムベーハー・ウント・コンパニー・カーゲー 排気音の能動的設計
DE102014221323B4 (de) * 2014-10-21 2017-11-23 Thyssenkrupp Marine Systems Gmbh Unterseeboot
DE102015119191A1 (de) 2015-11-06 2017-05-11 Eberspächer Exhaust Technology GmbH & Co. KG Schallerzeuger zur Befestigung an einem Fahrzeug zur Beeinflussung von Geräuschen des Fahrzeugs
DE102017000132A1 (de) * 2017-01-09 2018-07-12 Reinhard Steeg Gegenschallanlagen für Luft-, Land-, Wasser- und Schienenfahrzeuge usw.

Family Cites Families (12)

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FR1190317A (fr) * 1958-01-21 1959-10-12 Procédé d'aménagement de moteurs à explosion ou combustion interne pour l'élimination des bruits d'échappement, tuyau d'échappement en dérivant, et applications diverses de ce procédé
US3826870A (en) * 1970-03-20 1974-07-30 Quest Electronics Corp Noise cancellation
US3712412A (en) * 1971-11-18 1973-01-23 Environeering Sound suppressing system
JPS5031801A (de) * 1973-07-20 1975-03-28
US4122303A (en) * 1976-12-10 1978-10-24 Sound Attenuators Limited Improvements in and relating to active sound attenuation
FR2385972A2 (fr) * 1977-04-01 1978-10-27 Anvar Dispositifs absorbeurs acoustiques actifs pour des conduits
SU836652A1 (ru) * 1979-07-18 1981-06-07 Научно-Исследовательский Институтстроительной Физики Госстроя Cccp Устройство дл подавлени шума
EP0040613B1 (de) * 1979-11-21 1986-02-05 Sound Attenuators Limited Verbessertes verfahren und apparat zum dämpfen der vibration
ZA825676B (en) * 1981-08-11 1983-06-29 Sound Attenuators Ltd Method and apparatus for low frequency active attennuation
JPS58214613A (ja) * 1982-06-07 1983-12-13 Nissan Motor Co Ltd エンジンの排気脈動音低減装置
JPS6022010A (ja) * 1983-07-18 1985-02-04 Nissan Motor Co Ltd 排気騒音低減装置
JPH0639896B2 (ja) * 1985-08-28 1994-05-25 株式会社日本自動車部品総合研究所 能動的消音装置

Also Published As

Publication number Publication date
CA1329140C (en) 1994-05-03
EP0373188A1 (de) 1990-06-20
JP2709743B2 (ja) 1998-02-04
KR0137271B1 (ko) 1998-04-25
JPH02503219A (ja) 1990-10-04
WO1989007701A1 (en) 1989-08-24
RU2009334C1 (ru) 1994-03-15
EP0373188A4 (en) 1990-09-19
DE68911112T2 (de) 1994-05-26
KR900700723A (ko) 1990-08-16
BR8905996A (pt) 1990-11-20
EP0373188B1 (de) 1993-12-01

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8328 Change in the person/name/address of the agent

Free format text: PATENTANWAELTE RUFF, WILHELM, BEIER, DAUSTER & PARTNER, 70173 STUTTGART

8339 Ceased/non-payment of the annual fee