A sound dampening flow channel device

Details A sound dampening flow channel device A sound dampening flow channel device

G - Physics

10

K

G10K 11/162 (2006.01) G10K 11/172 (2006.01) F01N 1/04 (2006.01) F16L 55/02 (2006.01)

Patent

CA 2601235

The invention presents a sound dampening flow channel device defining at least one flow channel (2) having an inlet opening (3) and an outlet opening (4), the flow channel (2) being at least partly delimited by at least one acoustic energy dissipative wall (5, 6). The outlet opening (4) of the flow channel (2) can not be seen from the inlet opening (3) and vice versa. Preferably, the acoustic energy dissipative wall (5, 6) presents, in relation to the interior of the flow channel (2), a smooth curvature.

La présente invention a trait à un dispositif à canal d'écoulement d'atténuation sonore définissant au moins un canal d'écoulement (2) comprenant un orifice d'entrée (3) et un orifice de sortie (4), le canal d'écoulement (2) étant au moins partiellement délimité par au moins une paroi de dissipation d'énergie acoustique (5, 6). L'orifice de sortie (4) du canal d'écoulement (2) ne peut pas être vu depuis l'orifice d'entrée (3) et inversement. De préférence, la paroi de dissipation d'énergie acoustique (5, 6), présente, par rapport à l'intérieur du canal d'écoulement (2), un courbure uniforme.

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