| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a noise eliminator for an exhaust duct having simple and easy-to-postmount construction and superior profitability. <P>SOLUTION: Dirt air in a building exhausted from an exhaust port b1 or gas vaporizing from an organic solvent is exhausted backward from a gap a in the opposite direction to the exhaust port b1, formed between the exhaust duct B and a noise eliminator body 1 by loosely fitting the cylindrical noise eliminator body 1 to the end of the exhaust duct B. <P>COPYRIGHT: (C)2004,JPO |
