FR2923069B1 - Ecran de protection acoustique comprenant une coque poreuse - Google Patents

Ecran de protection acoustique comprenant une coque poreuse

Info

Publication number
FR2923069B1
FR2923069B1 FR0707593A FR0707593A FR2923069B1 FR 2923069 B1 FR2923069 B1 FR 2923069B1 FR 0707593 A FR0707593 A FR 0707593A FR 0707593 A FR0707593 A FR 0707593A FR 2923069 B1 FR2923069 B1 FR 2923069B1
Authority
FR
France
Prior art keywords
protection screen
porous shell
acoustic protection
acoustic
porous
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
FR0707593A
Other languages
English (en)
Other versions
FR2923069A1 (fr
Inventor
Laurent Sares
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.)
Centre dEtude et de Recherche pour lAutomobile CERA
Original Assignee
Centre dEtude et de Recherche pour lAutomobile CERA
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 Centre dEtude et de Recherche pour lAutomobile CERA filed Critical Centre dEtude et de Recherche pour lAutomobile CERA
Priority to FR0707593A priority Critical patent/FR2923069B1/fr
Publication of FR2923069A1 publication Critical patent/FR2923069A1/fr
Application granted granted Critical
Publication of FR2923069B1 publication Critical patent/FR2923069B1/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
    • G10K11/162—Selection of materials
    • G10K11/168—Plural layers of different materials, e.g. sandwiches
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
    • B60R13/00—Elements for body-finishing, identifying, or decorating; Arrangements or adaptations for advertising purposes
    • B60R13/08—Insulating elements, e.g. for sound insulation
    • B60R13/0838—Insulating elements, e.g. for sound insulation for engine compartments
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
    • B60R13/00—Elements for body-finishing, identifying, or decorating; Arrangements or adaptations for advertising purposes
    • B60R13/08—Insulating elements, e.g. for sound insulation
    • B60R13/0884—Insulating elements, e.g. for sound insulation for mounting around noise sources, e.g. air blowers
FR0707593A 2007-10-29 2007-10-29 Ecran de protection acoustique comprenant une coque poreuse Active FR2923069B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR0707593A FR2923069B1 (fr) 2007-10-29 2007-10-29 Ecran de protection acoustique comprenant une coque poreuse

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR0707593A FR2923069B1 (fr) 2007-10-29 2007-10-29 Ecran de protection acoustique comprenant une coque poreuse

Publications (2)

Publication Number Publication Date
FR2923069A1 FR2923069A1 (fr) 2009-05-01
FR2923069B1 true FR2923069B1 (fr) 2013-05-24

Family

ID=39367620

Family Applications (1)

Application Number Title Priority Date Filing Date
FR0707593A Active FR2923069B1 (fr) 2007-10-29 2007-10-29 Ecran de protection acoustique comprenant une coque poreuse

Country Status (1)

Country Link
FR (1) FR2923069B1 (fr)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR3036076B1 (fr) * 2015-05-13 2017-06-23 Cera Aps Procede de realisation d'un panneau de protection acoustique destine a etre monte en regard d'une source sonore et chaude de vehicule
FR3064805B1 (fr) * 2017-04-03 2020-01-10 Treves Products, Services & Innovation Ecran de protection acoustique pour moteur de vehicule automobile
WO2018154230A1 (fr) 2017-02-24 2018-08-30 Cera Aps Ecran de protection acoustique pour un moteur de vehicule automobile
FR3117426B1 (fr) * 2020-12-14 2023-05-19 Treves Products Services & Innovation Ecran de protection acoustique

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3601204A1 (de) * 1986-01-17 1987-07-23 Daimler Benz Ag Geraeuschdaemmende verkleidung fuer den motorraum von kraftfahrzeugen
DE10143167A1 (de) * 2001-09-04 2003-03-27 Hp Chem Pelzer Res & Dev Ltd Wärme- und schalldämmende Verkleidung für den Motorraum von Kraftfahrzeugen
US20040231914A1 (en) * 2003-01-02 2004-11-25 3M Innovative Properties Company Low thickness sound absorptive multilayer composite
DE10311421C5 (de) * 2003-03-13 2013-01-31 Carcoustics Techconsult Gmbh Verfahren zur Herstellung eines wärme- und schallisolierenden Blasformteils mit innenliegendem Schallabsorber

Also Published As

Publication number Publication date
FR2923069A1 (fr) 2009-05-01

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