EP 0837238 A2 19980422 - Mouldable acoustic devices
Title (en)
Mouldable acoustic devices
Title (de)
Akustisches Gerät aus spritzgiessfähigem Kunststoff
Title (fr)
Dispositifs acoustiques moulables
Publication
Application
Priority
- BR 9602968 A 19960624
- BR 9603046 A 19960701
Abstract (en)
Mouldable acoustic devices internally coupled to a vehicle engine's air filter relates to a mouldable acoustic box (5), comprised of a plate of porous acoustic absorbing material or a set of plates of porous acoustic materials, superimposed and glued to each other, having its shape predetermined pursuant to the internal and acoustic characteristics of the conventional air filter to which it will be internally coupled, the device (5) being essentially an acoustic internal lining having the purpose of absorbing acoustic waves generated by inlet noises, that is coupled inside the air filter's upper compartment (1) and/or lower compartment (2), the device (5) being optionally removable f vrom the relevant compartments.e
IPC 1-7
IPC 8 full level
F02M 35/14 (2006.01)
CPC (source: EP)
F02M 35/1216 (2013.01); F02M 35/14 (2013.01); F02M 35/1288 (2013.01)
Designated contracting state (EPC)
BE DE ES FR GB IT
DOCDB simple family (publication)
EP 0837238 A2 19980422; EP 0837238 A3 19981028; EP 0837238 B1 20030604; DE 69722555 D1 20030710; DE 69722555 T2 20040429; ES 2201247 T3 20040316
DOCDB simple family (application)
EP 97304416 A 19970624; DE 69722555 T 19970624; ES 97304416 T 19970624