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    • 6. 发明授权
    • Silencer
    • 消声器
    • US07624841B2
    • 2009-12-01
    • US11702678
    • 2007-02-06
    • Seong Won BaeDeok Huh
    • Seong Won BaeDeok Huh
    • F01N1/02F01N1/08F01N1/00
    • F01N1/02F01N1/04F01N13/0097F01N2340/00F01N2470/02F01N2490/155F01N2490/18
    • A silencer having improved noise reduction characteristics is disclosed. The silencer includes a first cylindrical connection pipe for guiding the flow of a fluid, a cylindrical expansion pipe communicating with the first connection pipe at one end thereof for guiding the flow of the fluid, the expansion pipe having a sectional area greater than that of the first connection pipe, and a second cylindrical connection pipe communicating with the other end of the expansion pipe for guiding the flow of the fluid. The expansion pipe has a length (L) decided depending upon a diameter (D) of the first connection pipe or the second connection pipe. According to the present invention, resonance caused by a pipe connected to the silencer is prevented, and therefore, the noise reduction efficiency of the silencer is improved.
    • 公开了具有改善的降噪特性的消音器。 消声器包括用于引导流体流动的第一圆柱形连接管,在其一端与第一连接管连通的圆柱形膨胀管,用于引导流体流动,膨胀管的截面积大于 第一连接管和与膨胀管的另一端连通以引导流体流动的第二圆柱形连接管。 膨胀管具有根据第一连接管或第二连接管的直径(D)决定的长度(L)。 根据本发明,防止了与消音器连接的管道产生的共振,从而提高了消声器的降噪效率。