JPS63116U

JPS63116U -

Info

Publication number: JPS63116U
Application number: JP9378086U
Authority: JP
Priority date: 1986-06-19
Filing date: 1986-06-19
Publication date: 1988-01-05
Also published as: JPH036805Y2

Description

[Brief explanation of drawings]

第１図はこの考案の第１実施例の概略構成図、
第２図は第１図の−線に沿つた断面図、第３
図はこの考案の第２実施例の概略構成図、第４図
はこの考案の第３実施例の概略構成図、第５図は
第４図の−線に沿つた断面図、第６図の従来
の排気消音装置を示す概略構成図である。１６，１７，４１，４２……気筒、１８，１９
，４３，４４……排気入口管、２０……排気消音
装置、２２……外筒、２２ａ……外筒側壁、２３
……内筒、２３ａ……内筒側壁、２４……第１膨
張室、２５……第２膨張室、２６……入口孔。 FIG. 1 is a schematic diagram of the first embodiment of this invention;
Figure 2 is a sectional view taken along the - line in Figure 1;
Figure 4 is a schematic diagram of the second embodiment of this invention, Figure 4 is a schematic diagram of the third embodiment of this invention, Figure 5 is a sectional view taken along the - line in Figure 4, and Figure 6 is a schematic diagram of the third embodiment of this invention. FIG. 1 is a schematic configuration diagram showing a conventional exhaust muffling device. 16, 17, 41, 42...Cylinder, 18, 19
, 43, 44...Exhaust inlet pipe, 20...Exhaust silencer, 22...Outer cylinder, 22a...Outer cylinder side wall, 23
...Inner cylinder, 23a...Inner cylinder side wall, 24...First expansion chamber, 25...Second expansion chamber, 26...Inlet hole.

Claims

[Claims for Utility Model Registration] (1) A double-cylinder exhaust silencing device for a multi-cylinder internal combustion engine arranged in a uniaxial direction, which forms a first expansion chamber between an outer cylinder and an inner cylinder, And a second one inside the inner cylinder.
At least one expansion chamber is formed after the expansion chamber, and the exhaust inlet pipes of each cylinder are connected to positions approximately 14L and 34L in the axial direction of the side wall of the outer cylinder, and approximately 12L in the axial direction of the side wall of the inner cylinder. 1st position above.
An exhaust silencer characterized in that an inlet hole communicating from an expansion chamber to a second expansion chamber is provided. (2) The inlet hole is provided at a position approximately 180° away from the connection position of the exhaust inlet pipe and the outer cylinder in the circumferential direction of the inner cylinder. Claim 1 of the Utility Model Registration Claim Exhaust silencer.