Patent ID: 6814182
Filing Date: 2004-11-09
Classification: B60H,F02M

Abstract:
A motor vehicle air diffusion panel with enhanced sound absorbing characteristics, whereinsaid motor vehicle air diffusion panel with enhanced sound absorbing characteristics has a first end and an oppositely disposed second end, said panel first end having a single air inlet, said panel second end being enclosed to prevent the flow of air out of said panel, said air inlet having at least two parallel air ducts that converge on said air inlet such that there is air communication between both ducts at said panel first end, each of said parallel air ducts being separated by at least one resonant cavity, each of said resonant cavities being tuned to dampen the noise generated by associated air flow, said parallel air ducts having a plurality of apertures, said plurality of apertures positioned to blow air perpendicular to said parallel ducts, said apertures extending axially from said first end to said second end, said apertures blowing air directly into a motor vehicle passenger compartment.