DE10193139T1 - Device for actively reducing deep noises generated by an exhaust line - Google Patents

Device for actively reducing deep noises generated by an exhaust line

Info

Publication number
DE10193139T1
DE10193139T1 DE10193139T DE10193139T DE10193139T1 DE 10193139 T1 DE10193139 T1 DE 10193139T1 DE 10193139 T DE10193139 T DE 10193139T DE 10193139 T DE10193139 T DE 10193139T DE 10193139 T1 DE10193139 T1 DE 10193139T1
Authority
DE
Germany
Prior art keywords
exhaust line
noises generated
actively reducing
reducing deep
deep
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.)
Withdrawn
Application number
DE10193139T
Other languages
German (de)
Inventor
Alain Michel Georges Rudi
Francis Rinckel
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.)
Faurecia Systemes dEchappement SAS
Original Assignee
Faurecia Systemes dEchappement SAS
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 Faurecia Systemes dEchappement SAS filed Critical Faurecia Systemes dEchappement SAS
Publication of DE10193139T1 publication Critical patent/DE10193139T1/en
Withdrawn legal-status Critical Current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
    • 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
    • G10K11/1787—General system configurations
    • G10K11/17875—General system configurations using an error signal without a reference signal, e.g. pure feedback
    • 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

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)
  • Soundproofing, Sound Blocking, And Sound Damping (AREA)
  • Exhaust Silencers (AREA)
  • Fittings On The Vehicle Exterior For Carrying Loads, And Devices For Holding Or Mounting Articles (AREA)
DE10193139T 2000-07-31 2001-07-26 Device for actively reducing deep noises generated by an exhaust line Withdrawn DE10193139T1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR0010077A FR2812442B1 (en) 2000-07-31 2000-07-31 DEVICE FOR ACTIVE ATTENUATION OF SOUND WAVES PRODUCED BY AN EXHAUST LINE
PCT/FR2001/002464 WO2002010560A1 (en) 2000-07-31 2001-07-26 Device for active attenuation of sound waves produced by an exhaust line

Publications (1)

Publication Number Publication Date
DE10193139T1 true DE10193139T1 (en) 2003-07-03

Family

ID=8853141

Family Applications (1)

Application Number Title Priority Date Filing Date
DE10193139T Withdrawn DE10193139T1 (en) 2000-07-31 2001-07-26 Device for actively reducing deep noises generated by an exhaust line

Country Status (4)

Country Link
AU (1) AU2001285979A1 (en)
DE (1) DE10193139T1 (en)
FR (1) FR2812442B1 (en)
WO (1) WO2002010560A1 (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102014101826A1 (en) * 2014-02-13 2015-08-13 Tenneco Gmbh Sounder system for a motor vehicle
DE102017120610A1 (en) * 2017-09-07 2019-03-07 Faurecia Emissions Control Technologies, Germany Gmbh Sound generating assembly for an exhaust system

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102004040421A1 (en) * 2004-08-19 2006-03-09 J. Eberspächer GmbH & Co. KG Active exhaust silencer
DE102011089772B4 (en) * 2011-12-23 2016-09-29 Eberspächer Exhaust Technology GmbH & Co. KG exhaust system

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT1267402B1 (en) * 1994-02-22 1997-02-05 Electronic Sound Attenuation S ACTIVE SILENCER FOR EXHAUST GAS.
JPH09209860A (en) * 1996-01-30 1997-08-12 Tenetsukusu:Kk Speaker installation structure

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102014101826A1 (en) * 2014-02-13 2015-08-13 Tenneco Gmbh Sounder system for a motor vehicle
DE102014101826B4 (en) * 2014-02-13 2016-08-04 Tenneco Gmbh Sounder system for a motor vehicle
US10063950B2 (en) 2014-02-13 2018-08-28 Tenneco Gmbh Sound generator system for a motor vehicle
DE102017120610A1 (en) * 2017-09-07 2019-03-07 Faurecia Emissions Control Technologies, Germany Gmbh Sound generating assembly for an exhaust system

Also Published As

Publication number Publication date
FR2812442B1 (en) 2003-01-24
WO2002010560A1 (en) 2002-02-07
AU2001285979A1 (en) 2002-02-13
FR2812442A1 (en) 2002-02-01

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DE10193139T1 (en) Device for actively reducing deep noises generated by an exhaust line

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