JPH0465914U - - Google Patents
Info
- Publication number
- JPH0465914U JPH0465914U JP10591990U JP10591990U JPH0465914U JP H0465914 U JPH0465914 U JP H0465914U JP 10591990 U JP10591990 U JP 10591990U JP 10591990 U JP10591990 U JP 10591990U JP H0465914 U JPH0465914 U JP H0465914U
- Authority
- JP
- Japan
- Prior art keywords
- tube
- chambers
- small holes
- pipe
- large number
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 230000037431 insertion Effects 0.000 claims description 5
- 238000003780 insertion Methods 0.000 claims description 5
- 230000003584 silencer Effects 0.000 claims 2
- 238000010586 diagram Methods 0.000 description 5
- 238000005192 partition Methods 0.000 description 1
Landscapes
- Exhaust Silencers (AREA)
Description
第１図は本考案の実施例に係る排気消音器の図
、第２図は本考案の他の実施例の断面図、第３図
及び第４図は本考案の更に他の実施例の断面図で
ある。第５図及び第６図はそれぞれ従来の消音器
を示す断面図、第７図はエンジンの排気音を周波
数分析により要因別に分離した線図、第８図は挿
入管長さによる音響理論的な減音量特性の線図で
ある。
１……マフラ本体、２……入口管、３……尾管
、４……仕切り板、１１……第１拡張室、１２…
…第２拡張室、２１……小孔、３１……メツシユ
、４２……挿入管、４３……小孔、４５……挿入
管蓋。
Fig. 1 is a diagram of an exhaust muffler according to an embodiment of the present invention, Fig. 2 is a cross-sectional view of another embodiment of the present invention, and Figs. 3 and 4 are cross-sections of still other embodiments of the present invention. It is a diagram. Figures 5 and 6 are cross-sectional views showing conventional silencers, Figure 7 is a diagram showing engine exhaust noise separated by factor based on frequency analysis, and Figure 8 is a diagram showing the acoustic theoretical reduction due to the length of the insertion tube. It is a diagram of volume characteristics. DESCRIPTION OF SYMBOLS 1... Muffler main body, 2... Inlet pipe, 3... Tail pipe, 4... Partition plate, 11... First expansion chamber, 12...
...Second expansion chamber, 21...Small hole, 31...Mesh, 42...Insertion tube, 43...Small hole, 45...Insertion tube cover.
Claims (1)
切り、その一室に開口する入口管を出口側に多数
の小孔を設けた管で構成し、前記各室を連通する
挿入管を、出口側端を塞ぎその端部周辺に多数の
小孔を設けて管で構成し、さらに尾管をその出口
側端にメツシユ又は多数の小孔を設けた管で、構
成したことを特徴とするエンジン用排気消音器。 (2) 前記挿入管及び／又は尾管の入口側にフレ
ア部を設けたことを特徴とする(1)項記載のエン
ジン用排気消音器。[Claims for Utility Model Registration] (1) The interior of the muffler main body is divided into at least two or more chambers, and the inlet pipe that opens into one of the chambers is composed of a tube with many small holes on the outlet side, and each of the chambers is The communicating insertion tube is composed of a tube whose outlet end is closed and a large number of small holes are provided around the end, and the tail tube is a tube with a mesh or a large number of small holes provided at the outlet end. An exhaust silencer for engines that is characterized by: (2) The engine exhaust silencer according to item (1), characterized in that a flare portion is provided on the inlet side of the insertion pipe and/or tail pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10591990U JPH0465914U (en) | 1990-10-11 | 1990-10-11 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10591990U JPH0465914U (en) | 1990-10-11 | 1990-10-11 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0465914U true JPH0465914U (en) | 1992-06-09 |
Family
ID=31851805
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP10591990U Pending JPH0465914U (en) | 1990-10-11 | 1990-10-11 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0465914U (en) |
-
1990
- 1990-10-11 JP JP10591990U patent/JPH0465914U/ja active Pending
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