JPH0174312U

JPH0174312U -

Info

Publication number: JPH0174312U
Application number: JP1987170907U
Authority: JP
Priority date: 1987-11-09
Filing date: 1987-11-09
Publication date: 1989-05-19

Description

[Brief explanation of the drawing]

第１図は本考案の実施例に係る消音器の縦断面
図である。第２図は第１図のＬ―Ｌ断面図である
。第３図は第１図のＫ―Ｋ断面図である。第４図
は集合導通管の両パイプの長さの説明図である。
第５図は従来における消音器の縦断面図である。主要な部分の符号の説明、１……外筒、２……
第一端板、３……第二端板、４……第一仕切板、
５……第二仕切板、８……排気導入管、８Ａ……
小孔８Ａ、９……集合導通管、１０……上部パイ
プ、１０Ａ……端部、１０Ｂ……面状接触面、１
０Ｃ……連通小孔群、１０Ｄ……小孔、１１……
下部パイプ、１１Ａ……端部、１１Ｂ……面状接
触面、１１Ｃ……連通小孔群、１３……排気導出
管、Ｄ……第一拡張室、Ｅ……第二拡張室、Ｆ…
…第三拡張室。 FIG. 1 is a longitudinal sectional view of a silencer according to an embodiment of the present invention. FIG. 2 is a sectional view taken along line LL in FIG. 1. FIG. 3 is a sectional view taken along the line KK in FIG. 1. FIG. 4 is an explanatory diagram of the lengths of both pipes of the collective conduction pipe.
FIG. 5 is a longitudinal sectional view of a conventional muffler. Explanation of symbols of main parts, 1...outer cylinder, 2...
First end plate, 3... second end plate, 4... first partition plate,
5...Second partition plate, 8...Exhaust introduction pipe, 8A...
Small hole 8A, 9... Collection conduit pipe, 10... Upper pipe, 10A... End, 10B... Planar contact surface, 1
0C...Communicating small hole group, 10D...Small hole, 11...
Lower pipe, 11A... End, 11B... Planar contact surface, 11C... Communication small hole group, 13... Exhaust outlet pipe, D... First expansion chamber, E... Second expansion chamber, F...
...Third expansion room.

Claims

[Scope of utility model registration request]

The front and rear ends are closed by a first end plate on the exhaust gas inflow side and a second end plate on the exhaust gas outflow side, and the inside is divided into a first expansion chamber and a second end plate side by the first partition plate and the second partition plate. A second expansion chamber, an outer cylinder partitioned into a third expansion chamber on the first end plate side, and a first end plate, a first partition plate, and a second partition plate are penetrated to connect the second expansion chamber to the outside of the outer cylinder. an exhaust inlet pipe that communicates with the air and has a plurality of small holes in the portion located inside the first expansion chamber, passes through the first partition plate and the second partition plate, and has an end that opens into the third expansion chamber. comprising a collective conduit pipe, and a communicating exhaust outlet pipe that passes through the first partition plate, the second partition plate, and the second end plate and communicates the third expansion chamber with the outside of the outer cylinder; Consists of two pipes that contact each other via a planar contact surface provided with a group of communicating small holes, one pipe having multiple small holes for introducing exhaust gas from the first expansion chamber. At the same time, the end on the second expansion chamber side is closed,
A silencer characterized in that the distances from the communicating hole closest to the third expansion chamber side of the communication hole group of both pipes to the end on the third expansion chamber side are different.