FR3101995B1 - Dispositif d’absorption acoustique - Google Patents

Dispositif d’absorption acoustique Download PDF

Info

Publication number
FR3101995B1
FR3101995B1 FR1911193A FR1911193A FR3101995B1 FR 3101995 B1 FR3101995 B1 FR 3101995B1 FR 1911193 A FR1911193 A FR 1911193A FR 1911193 A FR1911193 A FR 1911193A FR 3101995 B1 FR3101995 B1 FR 3101995B1
Authority
FR
France
Prior art keywords
sound absorption
absorption device
materials
partly
void
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
FR1911193A
Other languages
English (en)
Other versions
FR3101995A1 (fr
Inventor
Michel Wolf
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Priority to FR1911193A priority Critical patent/FR3101995B1/fr
Priority to PCT/IB2020/059516 priority patent/WO2021070139A1/fr
Priority to EP20792491.1A priority patent/EP4042408A1/fr
Publication of FR3101995A1 publication Critical patent/FR3101995A1/fr
Application granted granted Critical
Publication of FR3101995B1 publication Critical patent/FR3101995B1/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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B15/00—Layered products comprising a layer of metal
    • B32B15/04—Layered products comprising a layer of metal comprising metal as the main or only constituent of a layer, which is next to another layer of the same or of a different material
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B21/00—Layered products comprising a layer of wood, e.g. wood board, veneer, wood particle board
    • B32B21/04—Layered products comprising a layer of wood, e.g. wood board, veneer, wood particle board comprising wood as the main or only constituent of a layer, which is next to another layer of the same or of a different material
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B27/00—Layered products comprising a layer of synthetic resin
    • B32B27/06—Layered products comprising a layer of synthetic resin as the main or only constituent of a layer, which is next to another layer of the same or of a different material
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B29/00—Layered products comprising a layer of paper or cardboard
    • B32B29/002—Layered products comprising a layer of paper or cardboard as the main or only constituent of a layer, which is next to another layer of the same or of a different material
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B3/00—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shape; Layered products comprising a layer having particular features of form
    • B32B3/10—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shape; Layered products comprising a layer having particular features of form characterised by a discontinuous layer, i.e. formed of separate pieces of material
    • B32B3/12—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shape; Layered products comprising a layer having particular features of form characterised by a discontinuous layer, i.e. formed of separate pieces of material characterised by a layer of regularly- arranged cells, e.g. a honeycomb structure
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B9/00—Layered products comprising a layer of a particular substance not covered by groups B32B11/00 - B32B29/00
    • B32B9/005—Layered products comprising a layer of a particular substance not covered by groups B32B11/00 - B32B29/00 comprising one layer of ceramic material, e.g. porcelain, ceramic tile
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2307/00—Properties of the layers or laminate
    • B32B2307/10—Properties of the layers or laminate having particular acoustical properties
    • B32B2307/102—Insulating
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2419/00—Buildings or parts thereof
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; 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
    • H04R1/2803—Transducer mountings or enclosures modified by provision of mechanical or acoustic impedances, e.g. resonator, damping means for loudspeaker transducers

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Wood Science & Technology (AREA)
  • Chemical & Material Sciences (AREA)
  • Ceramic Engineering (AREA)
  • Soundproofing, Sound Blocking, And Sound Damping (AREA)
  • Building Environments (AREA)
  • Vehicle Interior And Exterior Ornaments, Soundproofing, And Insulation (AREA)
  • Laminated Bodies (AREA)

Abstract

Ce dispositif d’absorption acoustique comprend une structure alvéolaire prise en sandwich entre deux peaux extérieures (3, 5), les alvéoles (9) de cette structure étant remplies en partie de vide (13) et en partie d’un matériau (11) choisi dans le groupe comprenant les matériaux pulvérulents, les matériaux pâteux et les matériaux liquides. Figure 2
FR1911193A 2019-10-09 2019-10-09 Dispositif d’absorption acoustique Active FR3101995B1 (fr)

Priority Applications (3)

Application Number Priority Date Filing Date Title
FR1911193A FR3101995B1 (fr) 2019-10-09 2019-10-09 Dispositif d’absorption acoustique
PCT/IB2020/059516 WO2021070139A1 (fr) 2019-10-09 2020-10-09 Dispositif d'absorption acoustique
EP20792491.1A EP4042408A1 (fr) 2019-10-09 2020-10-09 Dispositif d'absorption acoustique

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR1911193 2019-10-09
FR1911193A FR3101995B1 (fr) 2019-10-09 2019-10-09 Dispositif d’absorption acoustique

Publications (2)

Publication Number Publication Date
FR3101995A1 FR3101995A1 (fr) 2021-04-16
FR3101995B1 true FR3101995B1 (fr) 2023-10-13

Family

ID=69104744

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1911193A Active FR3101995B1 (fr) 2019-10-09 2019-10-09 Dispositif d’absorption acoustique

Country Status (3)

Country Link
EP (1) EP4042408A1 (fr)
FR (1) FR3101995B1 (fr)
WO (1) WO2021070139A1 (fr)

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2695669B1 (fr) * 1992-09-17 1998-11-06 Db Systemes Sarl Procede d'isolation acoustique pour cloisons composites.
DE19709620A1 (de) * 1997-03-08 1998-09-24 Jun Karl Limberger Schalldämmendes Flächenbauelement
WO2013012108A1 (fr) * 2011-07-19 2013-01-24 Lee Hyung Ho Matériau insonorisant de construction contenant du charbon et porte insonorisée
SG193647A1 (en) * 2012-03-12 2013-10-30 Electro Acoustics Res 1999 Pte Ltd Improved speaker enclosure
RU2544690C1 (ru) * 2013-09-19 2015-03-20 Открытое акционерное общество "Обнинское научно-производственное предприятие "Технология" Опорный узел трехслойной панели и способ сборки трехслойной панели с опорными узлами
US10837368B2 (en) * 2017-02-24 2020-11-17 Mra Systems, Llc Acoustic liner and method of forming an acoustic liner

Also Published As

Publication number Publication date
WO2021070139A1 (fr) 2021-04-15
FR3101995A1 (fr) 2021-04-16
EP4042408A1 (fr) 2022-08-17

Similar Documents

Publication Publication Date Title
US10571977B2 (en) Technologies for hinges for dual screen devices
Hipólito-Ricaldi et al. Viscous dark fluid universe
CA3059755A1 (fr) Cellules exprimant des recepteurs d'activation chimeriques et des recepteurs de stimulation chimeriques et utilisations associees
EP3657297A3 (fr) Dispositif d'affichage pliant
EA201000343A1 (ru) ЧЛЕН СЕМЕЙСТВА B7, zB7H6 И РОДСТВЕННЫЕ КОМПОЗИЦИИ И СПОСОБЫ
MX2021001771A (es) Polipéptidos del receptor de antígeno quimérico en combinación con moléculas del metabolismo trans que modulan el ciclo de krebs y usos terapéuticos de los mismos.
WO2007099357A3 (fr) Ensemble crepine pour tamis vibrant
EP1835333A4 (fr) Materiau d´etancheite pour cristaux liquides et cellules d´affichage a cristaux liquides utilisant ledit materiau
FR3101995B1 (fr) Dispositif d’absorption acoustique
EA202090013A1 (ru) Комбинационная приветственная карточка
Pellegrino Mechanical behaviour of soft rocks under high stresses
TW200519475A (en) Liquid-filled container
Stecha et al. Development of a robust reporter-based T-cell activation assay for bispecific therapeutic antibodies in immunotherapy
Zeng et al. AIM Studies on Reactions FNCX→ FXCN (X= O, S, and Se)
Noor et al. Laboratory modelling: Settlement due to groundwater fluctuation in partially saturated soil
Singh et al. Repurposing Thymoquinone as Therapy for Metastatic Castration-Resistant Prostate Cancer
FR3051195B1 (fr) Puce de co-culture cellulaire et son procede de fabrication
Varian et al. High Performance Liquid Chromatography (HPLC)
FR3078234B1 (fr) Dispositif comportant un tamis mobile avec une partie metallique
Gilden et al. Bioluminescent bioassays for the discovery and development of molecular and cellular T-cell redirecting cancer therapy
O'Rourke et al. A translational platform using primary human immune cells in vitro, syngeneic and humanized models in vivo to support and advance immuno-oncology drug discovery
Calcada et al. Designing fluid properties to minimize barite sag and its impact on annular pressure build up mitigation in producing offshore wells
Gilden et al. Novel bioluminescent bioassays for the discovery and development of molecular and cellular T cell-redirecting cancer therapy
Širovnik et al. On functional equations related to derivations and bicircular projections
Vallejo Compressive strength of unsaturated fissured clays

Legal Events

Date Code Title Description
PLFP Fee payment

Year of fee payment: 2

PLSC Publication of the preliminary search report

Effective date: 20210416

PLFP Fee payment

Year of fee payment: 3

PLFP Fee payment

Year of fee payment: 4

PLFP Fee payment

Year of fee payment: 5