JPS59100914U

JPS59100914U - Engine silencer

Info

Publication number: JPS59100914U
Application number: JP19525082U
Authority: JP
Inventors: 豊島　洋平; 依田　隆志; 竹森　良久
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

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区〜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図及び第７図はこの
考案における機関用消音器の第２及び第３の実施例を示
す断面図である。２０・・・匣体、２１．２２・・・端板、２３・・・バ
ッフル、２４・・・第１の共鳴室、２５・：・第２の共
鳴室、２６・・・排気ガス通路、２７・・・多孔性焼結
金属製パイプ、２８・・・孔明パイプ、ｉ９．ａｏ、３
１・・・吸音材。Sections 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. Graphs of measurement results showing the relationship between engine speed and discharge sound level of a silencer and a conventional silencer, FIGS. 6 and 7 show the second and third embodiments of the engine silencer in this invention. FIG. 20... Enclosure, 21.22... End plate, 23... Baffle, 24... First resonance chamber, 25... Second resonance chamber, 26... Exhaust gas passage. 27... Porous sintered metal pipe, 28... Perforated pipe, i9. ao, 3
1...Sound absorbing material.

Claims

[Scope of utility model registration request]

The inside of the casing having a sealed structure is divided into two resonance chambers in the direction of exhaust gas flow by a baffle, and an exhaust gas passage is provided that penetrates both resonance chambers in the direction in which they are arranged, and a passage that penetrates one of the resonance chambers is provided. 1. A silencer for an engine, characterized in that the silencer is made of a porous sintered metal pipe, and the passage passing through the other resonance chamber is made of a perforated pipe having at least one small hole.