FR2975956B1 - ACOUSTIC PROTECTION ARCHITECTURE OF THE HOOD AREA OF A MOTOR VEHICLE - Google Patents

ACOUSTIC PROTECTION ARCHITECTURE OF THE HOOD AREA OF A MOTOR VEHICLE

Info

Publication number
FR2975956B1
FR2975956B1 FR1154777A FR1154777A FR2975956B1 FR 2975956 B1 FR2975956 B1 FR 2975956B1 FR 1154777 A FR1154777 A FR 1154777A FR 1154777 A FR1154777 A FR 1154777A FR 2975956 B1 FR2975956 B1 FR 2975956B1
Authority
FR
France
Prior art keywords
motor vehicle
protection architecture
acoustic protection
hood area
hood
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
FR1154777A
Other languages
French (fr)
Other versions
FR2975956A1 (en
Inventor
Eric Brillon
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 FR1154777A priority Critical patent/FR2975956B1/en
Publication of FR2975956A1 publication Critical patent/FR2975956A1/en
Application granted granted Critical
Publication of FR2975956B1 publication Critical patent/FR2975956B1/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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
    • B60R13/0838—Insulating elements, e.g. for sound insulation for engine compartments
    • 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
    • B32B25/00—Layered products comprising a layer of natural or synthetic rubber
    • B32B25/10—Layered products comprising a layer of natural or synthetic rubber next to a fibrous or filamentary layer
    • 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
    • B32B5/00—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts
    • B32B5/02—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by structural features of a fibrous or filamentary layer
    • B32B5/022—Non-woven fabric
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02B—INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
    • F02B77/00—Component parts, details or accessories, not otherwise provided for
    • F02B77/11—Thermal or acoustic insulation
    • F02B77/13—Acoustic insulation
    • 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
    • B32B2307/30—Properties of the layers or laminate having particular thermal properties
    • B32B2307/306—Resistant to heat
    • B32B2307/3065—Flame resistant or retardant, fire resistant or retardant
    • 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
    • B32B2307/70—Other properties
    • B32B2307/724—Permeability to gases, adsorption
    • B32B2307/7242—Non-permeable
    • 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
    • B32B2605/00—Vehicles
    • B32B2605/08—Cars

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Mechanical Engineering (AREA)
  • Textile Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • General Engineering & Computer Science (AREA)
  • Superstructure Of Vehicle (AREA)
  • Vehicle Interior And Exterior Ornaments, Soundproofing, And Insulation (AREA)
FR1154777A 2011-05-31 2011-05-31 ACOUSTIC PROTECTION ARCHITECTURE OF THE HOOD AREA OF A MOTOR VEHICLE Expired - Fee Related FR2975956B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR1154777A FR2975956B1 (en) 2011-05-31 2011-05-31 ACOUSTIC PROTECTION ARCHITECTURE OF THE HOOD AREA OF A MOTOR VEHICLE

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR1154777A FR2975956B1 (en) 2011-05-31 2011-05-31 ACOUSTIC PROTECTION ARCHITECTURE OF THE HOOD AREA OF A MOTOR VEHICLE

Publications (2)

Publication Number Publication Date
FR2975956A1 FR2975956A1 (en) 2012-12-07
FR2975956B1 true FR2975956B1 (en) 2013-07-05

Family

ID=44550759

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1154777A Expired - Fee Related FR2975956B1 (en) 2011-05-31 2011-05-31 ACOUSTIC PROTECTION ARCHITECTURE OF THE HOOD AREA OF A MOTOR VEHICLE

Country Status (1)

Country Link
FR (1) FR2975956B1 (en)

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2824913B2 (en) * 1989-06-13 1998-11-18 スズキ株式会社 Hood insulator mounting structure
CN101189380B (en) * 2005-04-01 2012-12-19 博凯技术公司 Sound retardant nonwoven material and process for manufacture
FR2901209B1 (en) * 2006-05-22 2009-03-06 Cera SOUNDPREADING SCREEN ON MOTOR FORMED OF POROUS MATERIAL
DE202006009245U1 (en) * 2006-06-09 2007-10-11 Carcoustics Tech Center Gmbh Airborne sound absorbing engine compartment trim for motor vehicles, in particular hood cladding
FR2919749A1 (en) * 2007-08-02 2009-02-06 Cera Soundproofing device for e.g. boot soundproofing screen of motor vehicle, has aspect layer comprising sealed film associated with non-woven fabric by punching, where non-woven fabric is passed through openings of film

Also Published As

Publication number Publication date
FR2975956A1 (en) 2012-12-07

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Legal Events

Date Code Title Description
ST Notification of lapse

Effective date: 20150130