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1. 发明专利

JP2006057491A Silencer 审中-公开
标题翻译：消音器
公开(公告)号：JP2006057491A
公开(公告)日：2006-03-02
申请号：JP2004238426
申请日：2004-08-18
申请人： Unix Co Ltd , 株式会社ユニックス
发明人： HIYAMA HIROSHI
IPC分类号： F01N1/10 , F01N1/08 , F01N13/08 , F01N13/16
摘要： PROBLEM TO BE SOLVED: To materialize high silencing performance of a silencer attached to a duct without relying on general solution method for increasing silencing performance such as thickening sound absorbing material.
SOLUTION: The silencer 1 is provided with a tubular housing 2 forming an annular space 8 between an inner tube part 6 and an outer tube part 5. A sound introduction opening 6a communicating to an annular space 8 is formed in the inner tube part 6. The sound absorbing material 3 of thickness to be stored with keeping an annular gap 9 is provided inside of the annular space 8. Consequently, external noise transmitting a duct enters the annular space 8 through the sound introduction opening 6a of the tubular housing 2 and is greatly silenced by the sound absorbing material 3 and the annular gap 9.
COPYRIGHT: (C)2006,JPO&NCIPI
摘要翻译：要解决的问题：为了实现连接到管道上的消音器的高沉降性能，而不依赖于增加消音性能的一般溶液方法，例如增稠吸声材料。解决方案：消音器1设置有在内管部分6和外管部分5之间形成环形空间8的管状壳体2.在内管中形成与环形空间8连通的声音引入开口6a 另外，在环状空间8的内部设置有要保持环状空隙9的要被保存的厚度的吸音材料3.因此，通过管状壳体的声音引入开口6a进入到环状空间8内，吸声材料3和环形间隙9极大的沉默。（C）版权所有（C）2006，JPO＆NCIPI

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