ATE135131T1 - Verfahren zur dämpfung von akustischen wellen in einem kreis von zirkulierender flüssigkeit - Google Patents

Verfahren zur dämpfung von akustischen wellen in einem kreis von zirkulierender flüssigkeit

Info

Publication number
ATE135131T1
ATE135131T1 AT91440031T AT91440031T ATE135131T1 AT E135131 T1 ATE135131 T1 AT E135131T1 AT 91440031 T AT91440031 T AT 91440031T AT 91440031 T AT91440031 T AT 91440031T AT E135131 T1 ATE135131 T1 AT E135131T1
Authority
AT
Austria
Prior art keywords
circulation
acoustic waves
transducer
wall
damping acoustic
Prior art date
Application number
AT91440031T
Other languages
English (en)
Inventor
Eric Landel
Original Assignee
Principia Rech Dev
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 Principia Rech Dev filed Critical Principia Rech Dev
Application granted granted Critical
Publication of ATE135131T1 publication Critical patent/ATE135131T1/de

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
    • G10K11/175—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
    • 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
    • G10K2210/00—Details of active noise control [ANC] covered by G10K11/178 but not provided for in any of its subgroups
    • G10K2210/10—Applications
    • G10K2210/101—One dimensional
    • 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
    • G10K2210/10—Applications
    • G10K2210/129—Vibration, e.g. instead of, or in addition to, acoustic noise
    • 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
    • G10K2210/3212—Actuator details, e.g. composition or microstructure

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Vibration Prevention Devices (AREA)
  • Measurement Of Mechanical Vibrations Or Ultrasonic Waves (AREA)
  • Investigating Or Analyzing Materials By The Use Of Ultrasonic Waves (AREA)
  • Electrostatic, Electromagnetic, Magneto- Strictive, And Variable-Resistance Transducers (AREA)
  • Soundproofing, Sound Blocking, And Sound Damping (AREA)
AT91440031T 1990-04-25 1991-04-18 Verfahren zur dämpfung von akustischen wellen in einem kreis von zirkulierender flüssigkeit ATE135131T1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR9005595A FR2661540B1 (fr) 1990-04-25 1990-04-25 Procede pour l'attenuation des ondes acoustiques dans un circuit de circulation de fluide.

Publications (1)

Publication Number Publication Date
ATE135131T1 true ATE135131T1 (de) 1996-03-15

Family

ID=9396299

Family Applications (1)

Application Number Title Priority Date Filing Date
AT91440031T ATE135131T1 (de) 1990-04-25 1991-04-18 Verfahren zur dämpfung von akustischen wellen in einem kreis von zirkulierender flüssigkeit

Country Status (4)

Country Link
EP (1) EP0454601B1 (de)
AT (1) ATE135131T1 (de)
DE (1) DE69117571T2 (de)
FR (1) FR2661540B1 (de)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102009024343A1 (de) * 2009-06-09 2010-12-16 Rohde & Schwarz Gmbh & Co. Kg Elektronisches Gerät mit Geräuschunterdrückungssystem
DE102022206211B4 (de) * 2022-06-22 2024-01-25 Vitesco Technologies GmbH Schallkompensationsvorrichtung und Fahrzeug

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4044203A (en) * 1972-11-24 1977-08-23 National Research Development Corporation Active control of sound waves
US4171465A (en) * 1978-08-08 1979-10-16 National Research Development Corporation Active control of sound waves
FR2632473B1 (fr) * 1988-06-01 1990-09-07 Saint Louis Inst Dispositifs d'attenuation active de vibrations, notamment de bruit, disposes en serie

Also Published As

Publication number Publication date
FR2661540A1 (fr) 1991-10-31
DE69117571T2 (de) 1996-08-22
EP0454601A1 (de) 1991-10-30
EP0454601B1 (de) 1996-03-06
DE69117571D1 (de) 1996-04-11
FR2661540B1 (fr) 1996-10-31

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Legal Events

Date Code Title Description
UEP Publication of translation of european patent specification
REN Ceased due to non-payment of the annual fee