| 摘要 |
<p>The flexible conduit part comprises an annularly corrugated or helically corrugated metal bellows (1) with an upstream cylindrical front end portion (4) and a downstream cylindrical rear end portion (5). A catalyst (8) or particle filter is directly or indirectly attached on the cylindrical front end portion of the metal bellows for cleaning an exhaust gas flow of the combustion engine. A spacer element (10) made of metallic or ceramic wires with damping characteristics is set on the outer periphery of the catalyst or particle filter or on a surrounding support tube (7).</p> |
