JPH01124017U

JPH01124017U -

Info

Publication number: JPH01124017U
Application number: JP1847988U
Authority: JP
Priority date: 1988-02-15
Filing date: 1988-02-15
Publication date: 1989-08-23

Description

[Brief explanation of the drawing]

第１図は本考案に係る消音器の一実施例を示す
構成図である。第２図は上記実施例に係る消音器
と従来に於ける消音器との消音特性を示すグラフ
である。第３図は従来の消音器を示す構成図であ
る。第４図は別の従来の消音器を示す構成図であ
る。主要な部分の符号の説明、２０……消音器、２
１……外筒、２２……端板（区画体）、２６……
排気導入管、２７……第一拡張室、２８……リタ
ーンパイプ、２８ａ……リターンパイプ２８の管
端、２８ｂ……導出側管端、２９ａ……リターン
パイプ２８に設けた小孔、３０……第二拡張室、
３１……排気導出管、３１ａ……排気導出管３１
の管端、３１ｂ……導入側管端。 FIG. 1 is a block diagram showing an embodiment of a silencer according to the present invention. FIG. 2 is a graph showing the muffling characteristics of the muffler according to the above embodiment and a conventional muffler. FIG. 3 is a block diagram showing a conventional muffler. FIG. 4 is a block diagram showing another conventional muffler. Explanation of symbols of main parts, 20... Silencer, 2
1... Outer cylinder, 22... End plate (division body), 26...
Exhaust gas introduction pipe, 27...first expansion chamber, 28...return pipe, 28a...pipe end of return pipe 28, 28b...outlet side pipe end, 29a...small hole provided in return pipe 28, 30... ...Second expansion chamber,
31...Exhaust outlet pipe, 31a...Exhaust outlet pipe 31
pipe end, 31b...introduction side pipe end.

Claims

[Scope of utility model registration request]

In a silencer in which the inlet end of the exhaust outlet pipe and the outlet end of the return pipe open into expansion chambers, a large number of small holes are formed at the outlet end of the expansion chamber of the return pipe. a partition body in which the outlet side pipe end in the expansion chamber is longer than the introduction side pipe end in the expansion chamber of the exhaust outlet pipe, and the outlet side pipe ends in the expansion chamber are opposite to each other; A silencer characterized in that it is configured to be close to.