| 摘要 |
A silencer is disclosed that reduces the acoustic energy of a fluid mixture of a liquid coolant and of exhaust gas from an engine. The engine may be a marine engine. The silencer according to this aspect includes a receiving chamber that receives the fluid mixture and exhaust gas, at least one lifting conduit; and a separation chamber. The lifting conduit has a receiving portion with a first opening and an expelling portion with a second opening. The receiving portion is fluidly coupled with the receiving chamber so that the fluid mixture enters the first opening from the receiving chamber and is lifted through the lifting conduit to the expelling portion. This lifting may be accomplished, at least in part, by dynamic effects. The separation chamber is fluidly coupled with the second opening of the lifting conduit, and has at least one interior surface. The expelling portion of the lifting conduit is disposed so that fluid mixture expelled from the second opening is directed toward the at least one interior surface of the separation chamber. The at least one interior surface may dynamically separate, for example by linear momentum effect or centrifugal effect, at least a portion of the exhaust gas from the fluid mixture.
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