FR2329929A1 - Dispositifs absorbeurs acoustiques actifs pour des conduits - Google Patents

Dispositifs absorbeurs acoustiques actifs pour des conduits

Info

Publication number
FR2329929A1
FR2329929A1 FR7534025A FR7534025A FR2329929A1 FR 2329929 A1 FR2329929 A1 FR 2329929A1 FR 7534025 A FR7534025 A FR 7534025A FR 7534025 A FR7534025 A FR 7534025A FR 2329929 A1 FR2329929 A1 FR 2329929A1
Authority
FR
France
Prior art keywords
duct
monopole
active sound
loudspeakers
ventilation duct
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
FR7534025A
Other languages
English (en)
Other versions
FR2329929B1 (fr
Inventor
Theophile Angelini
Bernard Neyrolles
Maurice Jessel
Gerard Mangiante
Georges Canevet
Bernard Carbone
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.)
Bpifrance Financement SA
Original Assignee
Agence National de Valorisation de la Recherche ANVAR
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 Agence National de Valorisation de la Recherche ANVAR filed Critical Agence National de Valorisation de la Recherche ANVAR
Priority to FR7534025A priority Critical patent/FR2329929A1/fr
Publication of FR2329929A1 publication Critical patent/FR2329929A1/fr
Application granted granted Critical
Publication of FR2329929B1 publication Critical patent/FR2329929B1/fr
Granted legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
    • F16L55/00—Devices or appurtenances for use in, or in connection with, pipes or pipe systems
    • F16L55/02—Energy absorbers; Noise absorbers
    • F16L55/033—Noise absorbers
    • F16L55/0333—Noise absorbers by means of an active system
    • 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
    • G10K11/17853—Methods, e.g. algorithms; Devices of the filter
    • 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
    • G10K11/17879—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
    • G10K2210/00—Details of active noise control [ANC] covered by G10K11/178 but not provided for in any of its subgroups
    • G10K2210/10—Applications
    • G10K2210/112—Ducts
    • 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
    • G10K2210/3219—Geometry of the configuration
    • 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
    • G10K2210/32271—Active 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
    • G10K2210/50—Miscellaneous
    • G10K2210/511—Narrow band, e.g. implementations for single frequency cancellation

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Soundproofing, Sound Blocking, And Sound Damping (AREA)
  • Exhaust Silencers (AREA)
FR7534025A 1975-10-31 1975-10-31 Dispositifs absorbeurs acoustiques actifs pour des conduits Granted FR2329929A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR7534025A FR2329929A1 (fr) 1975-10-31 1975-10-31 Dispositifs absorbeurs acoustiques actifs pour des conduits

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7534025A FR2329929A1 (fr) 1975-10-31 1975-10-31 Dispositifs absorbeurs acoustiques actifs pour des conduits

Publications (2)

Publication Number Publication Date
FR2329929A1 true FR2329929A1 (fr) 1977-05-27
FR2329929B1 FR2329929B1 (fr) 1981-06-12

Family

ID=9162152

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7534025A Granted FR2329929A1 (fr) 1975-10-31 1975-10-31 Dispositifs absorbeurs acoustiques actifs pour des conduits

Country Status (1)

Country Link
FR (1) FR2329929A1 (fr)

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4177874A (en) * 1977-04-01 1979-12-11 Agence Nationale De Valorisation De La Recherche (Anvar) Active acoustic sound absorber device
FR2438796A1 (fr) * 1978-10-13 1980-05-09 Anvar Procedes et dispositifs anti-bruit pour accelerer le tirage des conduits d'evacuation de fumees et de gaz ou des conduits d'aeration
WO1981000638A1 (fr) * 1979-08-16 1981-03-05 Sound Attenuators Ltd Methode de reduction du temps d'adaptation pour l'annulation de vibrations repetitives
WO1983000580A1 (fr) * 1981-08-11 1983-02-17 Chaplin, George, Brian, Barrie Procede et dispositif d'attenuation active des basses frequences
DE3541201A1 (de) * 1985-11-21 1987-05-27 Voith Gmbh J M Einrichtung zur schwingungsdaempfung
FR2698149A1 (fr) * 1992-11-16 1994-05-20 Carrier Corp Silencieux sensible à une condition pour compresseurs de réfrigérant.
DE10021031A1 (de) * 2000-05-02 2001-11-08 Mann & Hummel Filter Leitungssystem mit elektromechanischem Wandler zur Erzeugung eines Korrekturgeräusches
EP2623737A1 (fr) * 2012-02-06 2013-08-07 Eberspächer Exhaust Technology GmbH & Co. KG Silencieux actif

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4177874A (en) * 1977-04-01 1979-12-11 Agence Nationale De Valorisation De La Recherche (Anvar) Active acoustic sound absorber device
FR2438796A1 (fr) * 1978-10-13 1980-05-09 Anvar Procedes et dispositifs anti-bruit pour accelerer le tirage des conduits d'evacuation de fumees et de gaz ou des conduits d'aeration
WO1981000638A1 (fr) * 1979-08-16 1981-03-05 Sound Attenuators Ltd Methode de reduction du temps d'adaptation pour l'annulation de vibrations repetitives
WO1983000580A1 (fr) * 1981-08-11 1983-02-17 Chaplin, George, Brian, Barrie Procede et dispositif d'attenuation active des basses frequences
US4527282A (en) * 1981-08-11 1985-07-02 Sound Attenuators Limited Method and apparatus for low frequency active attenuation
DE3541201A1 (de) * 1985-11-21 1987-05-27 Voith Gmbh J M Einrichtung zur schwingungsdaempfung
FR2698149A1 (fr) * 1992-11-16 1994-05-20 Carrier Corp Silencieux sensible à une condition pour compresseurs de réfrigérant.
DE10021031A1 (de) * 2000-05-02 2001-11-08 Mann & Hummel Filter Leitungssystem mit elektromechanischem Wandler zur Erzeugung eines Korrekturgeräusches
EP2623737A1 (fr) * 2012-02-06 2013-08-07 Eberspächer Exhaust Technology GmbH & Co. KG Silencieux actif
US20130202148A1 (en) * 2012-02-06 2013-08-08 Eberspächer Exhaust Technology GmbH & Co. KG Active muffler

Also Published As

Publication number Publication date
FR2329929B1 (fr) 1981-06-12

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Legal Events

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