| 摘要 |
A filter sound absorber is provided to comparatively reduce the number of component and to relatively reduce a pressure loss of air flowed from a compressor by forming a floating channel substantially extended in the same axle and labyrinth type with a front wall and a rear wall. A filter sound absorber comprises: a filter sound absorber(20) provided in a side of an absorption unit of a compressor in an exhaust gas turbo supercharger, which includes a cylindrical sound absorber housing including a rear wall(2) and a front wall(1) for sealing an outer cylinder casing(4) connectable to the compressor and constituted of a punched plate and a plurality of ring type damping members(5, 6) arranged in an inner chamber of the sound absorber housing, wherein the ring type damping members are arranged in the same axle and separately arranged and a floating channel(21) extended in the same axle and in a labyrinth type between the damping members, with the front wall and the rear wall, for fresh air flowed into the sound absorber housing and, and the floating channel is implemented in type of one or more outer damping members and one or more inner damping members and thus fresh air is leaded at least partially to the compressor to a circumference of the outer damping member.
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