G - Physics – 10 – K
Patent
G - Physics
10
K
G10K 11/16 (2006.01) B60R 13/02 (2006.01) B60R 13/08 (2006.01) B62D 29/04 (2006.01) E04B 1/84 (2006.01) F16B 5/06 (2006.01)
Patent
CA 2256503
A barrier wall (24) separating a passenger compartment from an engine compartment of a motor vehicle has an acoustical barrier assembly (102) mounted thereto. The acoustical barrier assembly (102) includes first and second mat portions (104, 106) juxtaposed to each other in overlapping relationship. Each mat portions (104, 106) is preferably of a molded construction and has sound dampening characteristics. The first and second mat portions (104, 106) each have a terminal edge (130, 122). The terminal edge (130) of the second mat portion is in engagement with one of the surfaces of the first mat portion to thereby acoustically seal the first and second mat portions together. Spacer ribs (124, 132) are integrally with the first and second mat portions (104, 106). Each rib (124, 132) extends from its corresponding mat portion to the other mat portion. The spacer ribs (124, 132) are preferably adjacent to but spaced from the terminal edges (122, 130) of their respective mat portions to space the mat portions from each other.
Une paroi d'isolation (24) séparant l'habitacle du compartiment moteur d'un véhicule automobile comporte un ensemble barrière acoustique (102) monté sur celle-ci. L'ensemble barrière acoustique (102) comprend un premier et un second mat (104, 106) se chevauchant. Chaque mat (104,106) est de préférence moulé et présente des caractéristiques d'amortissement du bruit. Les premier et second mats (104, 106) comporte chacun un bord terminal (130, 122). Le bord terminal (130) du second mat est en contact avec une des surfaces du premier mat de sorte que les deux mats soient scellés de manière étanche aux bruits. Des nervures d'espacement (124, 132) font partie intégrante des premier et second mats (104, 106). Chaque nervure (124, 132) s'étend depuis le mat correspondant jusqu'à l'autre mat. Les nervures d'espacement (124, 132 ) sont de préférence adjacentes aux bords terminaux (122, 130) de leur mat respectif, mais à une certaine distance de ceux-ci (122, 130), de sorte que lesdits mats soient à une certaine distance l'un de l'autre.
Campbell Michael T.
Skestone Andrew R.
Borden Ladner Gervais Llp
Cascade Engineering Inc.
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