Invention Grant
US07644804B2 Sound attenuator 失效
声衰减器

Sound attenuator
Abstract:
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.
Public/Granted literature
Information query
Patent Agency Ranking
0/0