| 摘要 |
<p>A sound baffle system for a duct, e.g. air ducts, exhaust gas ducts, has a widened duct section (3) with an inner sleeve (4) of similar diameter as the duct. The ends of the sleeve have connections to the main part of the duct and link resonance damping chambers (10, 20) to the duct flow. The inner sleeve is made of the same material as the duct and is secured to the inner wall of the widened section by securing brackets.</p> |
