| 摘要 |
Soundproofed chimney for hot gases ejected from an exhaust pipe. The present invention relates to a soundproofed chimney 20 for hot gases ejected from an exhaust pipe 1, enveloping a dispersion basket 21 pierced with holes 23 and whose end opposite the gas inlet is closed by a solid bottom 22, characterised in that the main axis of the basket and the main axis of the chimney are coincident, the basket being pierced with holes 23 over its entire periphery, the main axis of each orifice 23 being perpendicular to the internal faces of the chimney 20 covered by a thermo-acoustic coating 27. Application to exhaust chimneys for test beds. <IMAGE>
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