发明名称 Sound attenuator
摘要 A fluid pathway is provided with a flow controller in at least a portion of its length wherein the flow controller comprises an active surface capable of influencing the fluid flow through the fluid pathway, the configuration of the active surface conforming to at least one logarithmic curve conforming to the Golden Section.
申请公布号 US7644804(B2) 申请公布日期 2010.01.12
申请号 US20070924144 申请日期 2007.10.25
申请人 PAX STREAMLINE, INC. 发明人 HARMAN JAYDEN DAVID
分类号 F01N1/12;A61F2/00;A61F2/06;A61F2/82;F01N1/08;F15C1/16;F15D1/02;F15D1/04;F16L55/02;F16L55/027 主分类号 F01N1/12
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