FR2817995B1 - Complexe d'absorption acoustique - Google Patents

Complexe d'absorption acoustique

Info

Publication number
FR2817995B1
FR2817995B1 FR0016021A FR0016021A FR2817995B1 FR 2817995 B1 FR2817995 B1 FR 2817995B1 FR 0016021 A FR0016021 A FR 0016021A FR 0016021 A FR0016021 A FR 0016021A FR 2817995 B1 FR2817995 B1 FR 2817995B1
Authority
FR
France
Prior art keywords
acoustic absorption
absorption complex
complex
acoustic
absorption
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.)
Expired - Fee Related
Application number
FR0016021A
Other languages
English (en)
Other versions
FR2817995A1 (fr
Inventor
Sosthene Lullier
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 FR0016021A priority Critical patent/FR2817995B1/fr
Publication of FR2817995A1 publication Critical patent/FR2817995A1/fr
Application granted granted Critical
Publication of FR2817995B1 publication Critical patent/FR2817995B1/fr
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • 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
    • B60R13/0861—Insulating elements, e.g. for sound insulation for covering undersurfaces of vehicles, e.g. wheel houses
    • 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

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Mechanical Engineering (AREA)
  • Vehicle Interior And Exterior Ornaments, Soundproofing, And Insulation (AREA)
FR0016021A 2000-12-08 2000-12-08 Complexe d'absorption acoustique Expired - Fee Related FR2817995B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR0016021A FR2817995B1 (fr) 2000-12-08 2000-12-08 Complexe d'absorption acoustique

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR0016021A FR2817995B1 (fr) 2000-12-08 2000-12-08 Complexe d'absorption acoustique

Publications (2)

Publication Number Publication Date
FR2817995A1 FR2817995A1 (fr) 2002-06-14
FR2817995B1 true FR2817995B1 (fr) 2003-02-28

Family

ID=8857441

Family Applications (1)

Application Number Title Priority Date Filing Date
FR0016021A Expired - Fee Related FR2817995B1 (fr) 2000-12-08 2000-12-08 Complexe d'absorption acoustique

Country Status (1)

Country Link
FR (1) FR2817995B1 (fr)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2860468B1 (fr) * 2003-10-02 2007-01-12 Cera Deflecteur sous caisse presentant des proprietes de protection acoustique
FR2896743B1 (fr) * 2006-01-31 2008-07-25 Peugeot Citroen Automobiles Sa Dispositif de protection acoustique pour caisse de vehicule automobile
FR2923430B1 (fr) * 2007-11-09 2009-12-25 Cera Systeme de maintien d'un ecran elastiquement deformable de protection acoustique
FR3101184B1 (fr) * 2019-09-25 2023-01-27 Demguilhem Stephane Dispositif d'absorption acoustique

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE402142B (sv) * 1976-06-03 1978-06-19 Becker Wilhelm Ab Laminerad ljudabsorbent
US4607466A (en) * 1984-05-29 1986-08-26 Allred John C Method and apparatus for controlling reverberation of sound in enclosed environments
CH681973A5 (fr) * 1990-07-19 1993-06-30 Matec Holding

Also Published As

Publication number Publication date
FR2817995A1 (fr) 2002-06-14

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Legal Events

Date Code Title Description
ST Notification of lapse

Effective date: 20100831