FR3149540B1 - Panneau acoustique - Google Patents

Panneau acoustique

Info

Publication number
FR3149540B1
FR3149540B1 FR2305921A FR2305921A FR3149540B1 FR 3149540 B1 FR3149540 B1 FR 3149540B1 FR 2305921 A FR2305921 A FR 2305921A FR 2305921 A FR2305921 A FR 2305921A FR 3149540 B1 FR3149540 B1 FR 3149540B1
Authority
FR
France
Prior art keywords
acoustic panel
panel
abstract
diaphragm
chambers
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
FR2305921A
Other languages
English (en)
Other versions
FR3149540A1 (fr
Inventor
Boulch Pierre Gautier-Le
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.)
Eclore Actuators
Original Assignee
Eclore Actuators
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 Eclore Actuators filed Critical Eclore Actuators
Priority to FR2305921A priority Critical patent/FR3149540B1/fr
Priority to EP24731010.5A priority patent/EP4725013A1/fr
Priority to PCT/EP2024/065540 priority patent/WO2024256252A1/fr
Publication of FR3149540A1 publication Critical patent/FR3149540A1/fr
Application granted granted Critical
Publication of FR3149540B1 publication Critical patent/FR3149540B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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
    • G10K11/172—Methods or devices for protecting against, or for damping, noise or other acoustic waves in general using resonance effects

Landscapes

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

Abstract

L’invention porte sur un panneau acoustique (1) perfectionné comprenant des alvéoles (2) ayant au moins deux chambres (11, 12) disposées en série selon un axe (X2) s’étendant selon l’épaisseur (E1) du panneau et séparées entre elles pas un diaphragme (10). De préférence, chacune des alvéoles est réalisée par pliage d’une seule feuille sur elle-même. Figure pour l’abrégé : figure 2
FR2305921A 2023-06-12 2023-06-12 Panneau acoustique Active FR3149540B1 (fr)

Priority Applications (3)

Application Number Priority Date Filing Date Title
FR2305921A FR3149540B1 (fr) 2023-06-12 2023-06-12 Panneau acoustique
EP24731010.5A EP4725013A1 (fr) 2023-06-12 2024-06-06 Panneau acoustique
PCT/EP2024/065540 WO2024256252A1 (fr) 2023-06-12 2024-06-06 Panneau acoustique

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR2305921 2023-06-12
FR2305921A FR3149540B1 (fr) 2023-06-12 2023-06-12 Panneau acoustique

Publications (2)

Publication Number Publication Date
FR3149540A1 FR3149540A1 (fr) 2024-12-13
FR3149540B1 true FR3149540B1 (fr) 2026-03-13

Family

ID=87974253

Family Applications (1)

Application Number Title Priority Date Filing Date
FR2305921A Active FR3149540B1 (fr) 2023-06-12 2023-06-12 Panneau acoustique

Country Status (3)

Country Link
EP (1) EP4725013A1 (fr)
FR (1) FR3149540B1 (fr)
WO (1) WO2024256252A1 (fr)

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR3070529B1 (fr) * 2017-08-31 2019-12-20 Safran Nacelles Panneau acoustique a resonateurs pour volume reduit
FR3098143A1 (fr) 2019-07-05 2021-01-08 Airbus Operations Revêtement insonorisant comportant une structure alvéolaire formée de bandes longitudinales formant des résonateurs de Helmholtz et des cavités intermédiaires traitant des plages acoustiques différentes
FR3111003A1 (fr) * 2020-05-29 2021-12-03 Airbus Operations Structure alvéolaire d’insonorisation incluant un diaphragme muni d’un tube configuré pour traiter différentes fréquences acoustiques, procédé de fabrication d'une telle structure, et outil associé
CA3084631A1 (fr) 2020-06-23 2021-12-23 Safran Panneau acoustique et procede de fabrication associe

Also Published As

Publication number Publication date
FR3149540A1 (fr) 2024-12-13
EP4725013A1 (fr) 2026-04-15
WO2024256252A1 (fr) 2024-12-19

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