JPS59100912U

JPS59100912U - Engine silencer

Info

Publication number: JPS59100912U
Application number: JP19524882U
Authority: JP
Inventors: 須山　栄蔵; 豊島　洋平
Original assignee: カルソニックカンセイ株式会社
Priority date: 1982-12-24
Filing date: 1982-12-24
Publication date: 1984-07-07
Also published as: JPS6233935Y2

Abstract

(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

[Brief explanation of the drawing]

第１図〜第３図はそれぞれ従来における機関用消音器を
示す断面図、第４図はこの考案にかかる機関用消音器の
第１の実施例を示す断面図、第５図はこの考案の消音器
及び従来の消音器の周波数とエンジン回転数と吐出音レ
ベルとの関係を示す測定結果のグラフ、第６図はこの考
案における消音器の第２の実施例を示す断面図である。２０・・・匣体、２１．２２・・・端板、２３．　２４
．　　　−２５・・・バッフル、−２６・・・第１の拡
張室、２７・・・第一　２の拡張室、２８・・・第１の
共鳴室、２９・・・第２の共鳴室、３０・・・インレッ
トパイプ、３１・・・小孔、　　３２・・・アウトレッ
トパイプ、３３・・・多孔性焼結金属製パイプ、３４．
３５・・・短絡孔。1 to 3 are sectional views showing conventional engine silencers, FIG. 4 is a sectional view showing a first embodiment of the engine silencer according to this invention, and FIG. 5 is a sectional view showing a first embodiment of the engine silencer according to this invention. FIG. 6 is a graph of measurement results showing the relationship between frequency, engine speed, and discharge sound level of a muffler and a conventional muffler. FIG. 6 is a sectional view showing a second embodiment of the muffler of this invention. 20... Box body, 21. 22... End plate, 23. 24
．． -25... Baffle, -26... First expansion chamber, 27... First second expansion chamber, 28... First resonance chamber, 29... Second resonance chamber, 30 ... Inlet pipe, 31 ... Small hole, 32 ... Outlet pipe, 33 ... Porous sintered metal pipe, 34.
35...Short hole.

Claims

[Scope of utility model registration request]

(1) A sealed casing; first casings formed alternately by dividing the casing into four parts in the exhaust gas flow direction by baffles;
a second expansion chamber, first and second resonance chambers, and an inlet barb that passes through the first expansion chamber and the first resonance chamber and communicates with the second expansion chamber through a number of small holes. , the first above,
an outlet pipe that passes through the second resonance chamber and the second expansion chamber and communicates with the first expansion chamber, and an exhaust gas passage that communicates between the first and second expansion chambers, and and a porous sintered metal pipe forming a port of the first resonance chamber.

(2) Utility model registration claim 1, characterized in that the inlet pipe and the outlet pipe are each provided with a short circuit hole that communicates with the first or second expansion chamber.
Engine silencer as described in section.