FR3146540B3 - Ensemble d’absorption acoustique - Google Patents

Ensemble d’absorption acoustique Download PDF

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Publication number
FR3146540B3
FR3146540B3 FR2302060A FR2302060A FR3146540B3 FR 3146540 B3 FR3146540 B3 FR 3146540B3 FR 2302060 A FR2302060 A FR 2302060A FR 2302060 A FR2302060 A FR 2302060A FR 3146540 B3 FR3146540 B3 FR 3146540B3
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FR
France
Prior art keywords
sound absorption
absorption assembly
materials
honeycomb structure
sandwiched
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.)
Active
Application number
FR2302060A
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English (en)
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FR3146540A3 (fr
Inventor
Michel Wolf
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Individual
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Individual
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Filing date
Publication date
Application filed by Individual filed Critical Individual
Priority to FR2302060A priority Critical patent/FR3146540B3/fr
Publication of FR3146540A3 publication Critical patent/FR3146540A3/fr
Application granted granted Critical
Publication of FR3146540B3 publication Critical patent/FR3146540B3/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; ELECTRIC HEARING AIDS; PUBLIC ADDRESS SYSTEMS
    • H04R1/00—Details of transducers, loudspeakers or microphones
    • H04R1/20—Arrangements for obtaining desired frequency or directional characteristics
    • H04R1/22—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired frequency characteristic only 
    • H04R1/28—Transducer mountings or enclosures modified by provision of mechanical or acoustic impedances, e.g. resonator, damping means
    • H04R1/2869—Reduction of undesired resonances, i.e. standing waves within enclosure, or of undesired vibrations, i.e. of the enclosure itself

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Soundproofing, Sound Blocking, And Sound Damping (AREA)
  • Building Environments (AREA)
  • Laminated Bodies (AREA)

Abstract

L'invention concerne un ensemble d’absorption acoustique, comprenant : - un dispositif d’absorption acoustique (1, 22) comprenant une structure alvéolaire (3) prise en sandwich entre deux peaux extérieures (5a, 5b), les alvéoles de cette structure (3) étant sous vide et en partie remplies d’un matériau choisi dans le groupe comprenant les matériaux pulvérulents, les matériaux pâteux et les matériaux liquides, - au moins un aimant permanent (13) placé à l’intérieur de cette structure alvéolaire (3), ou de manière adjacente à celle-ci. (Fig. 1)
FR2302060A 2023-03-06 2023-03-06 Ensemble d’absorption acoustique Active FR3146540B3 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR2302060A FR3146540B3 (fr) 2023-03-06 2023-03-06 Ensemble d’absorption acoustique

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR2302060 2023-03-06
FR2302060A FR3146540B3 (fr) 2023-03-06 2023-03-06 Ensemble d’absorption acoustique

Publications (2)

Publication Number Publication Date
FR3146540A3 FR3146540A3 (fr) 2024-09-13
FR3146540B3 true FR3146540B3 (fr) 2025-04-11

Family

ID=92675745

Family Applications (1)

Application Number Title Priority Date Filing Date
FR2302060A Active FR3146540B3 (fr) 2023-03-06 2023-03-06 Ensemble d’absorption acoustique

Country Status (1)

Country Link
FR (1) FR3146540B3 (fr)

Also Published As

Publication number Publication date
FR3146540A3 (fr) 2024-09-13

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