JPS6312612U

JPS6312612U -

Info

Publication number: JPS6312612U
Application number: JP4107486U
Authority: JP
Priority date: 1986-03-20
Filing date: 1986-03-20
Publication date: 1988-01-27

Description

[Brief explanation of the drawing]

第１図は本実施例の断面図、第２１図は他の実
施例の断面図、第３図は一部を破断した従来例の
断面図である。１，１２……外管、２……側壁、３，１３……
内管、９，２０……繊維吸収材、１０，１１，１
８，１９……発泡金属。 FIG. 1 is a sectional view of this embodiment, FIG. 21 is a sectional view of another embodiment, and FIG. 3 is a partially cutaway sectional view of a conventional example. 1, 12... Outer tube, 2... Side wall, 3, 13...
Inner tube, 9, 20...Fiber absorbent material, 10, 11, 1
8,19...foamed metal.

補正昭６２．８．３０図面の簡単な説明を次のように補正する。Correction: August 30, 1982 The brief description of the drawing has been amended as follows.

【図面の簡単な説明】第１図は本考案の一実施例の断面図、第２図は
本考案の他の実施例の断面図、第３図は一部を破
断した従来例の断面図である。１，１２……外管、２……側壁、３，１３……
内管、９，２０……繊維吸収材、１０，１１，１
８，１９……発泡金属。[Brief Description of the Drawings] Fig. 1 is a cross-sectional view of one embodiment of the present invention, Fig. 2 is a cross-sectional view of another embodiment of the present invention, and Fig. 3 is a partially cutaway cross-sectional view of a conventional example. It is. 1, 12... Outer tube, 2... Side wall, 3, 13...
Inner tube, 9, 20...Fiber absorbent material, 10, 11, 1
8,19...foamed metal.

Claims

[Scope of utility model registration request]

In an exhaust silencer comprising a cylindrical outer tube, an inner tube that passes through the center of the outer tube and is supported on the side wall of the outer tube, and a fiber sound absorbing material arranged between the inner tubes, the outer tube An exhaust silencing device for an internal combustion engine, in which a cylinder made of foamed metal is disposed inside and outside an inner tube, a plurality of partition walls are provided, and a space partitioned by the foamed metal and the partitions is filled with a fiber sound absorbing material.