JPH0466315U - - Google Patents
Info
- Publication number
- JPH0466315U JPH0466315U JP11023490U JP11023490U JPH0466315U JP H0466315 U JPH0466315 U JP H0466315U JP 11023490 U JP11023490 U JP 11023490U JP 11023490 U JP11023490 U JP 11023490U JP H0466315 U JPH0466315 U JP H0466315U
- Authority
- JP
- Japan
- Prior art keywords
- exhaust
- inner pipe
- pipe
- expansion chambers
- main body
- 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
- 238000007599 discharging Methods 0.000 claims 1
- 230000003584 silencer Effects 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 1
Description
第１図及び第２図は本考案の実施例を示し、第
１図は縦断面図、第２図は排出音とＳＥ／ＳＭ並
びにＤ／ｄとの関係を示す線図である。第３図は
従来の排気消音器の１例を示す縦断面図である。
本体……１０、膨張室……１，２，３，４、排
気導入管……８、排気流出管……９、インナーパ
イプ……１４、ベルマウス……２０。
1 and 2 show an embodiment of the present invention, with FIG. 1 being a longitudinal sectional view and FIG. 2 being a diagram showing the relationship between exhaust sound, SE/SM, and D/d. FIG. 3 is a longitudinal sectional view showing an example of a conventional exhaust muffler. Main body...10, Expansion chamber...1,2,3,4, Exhaust inlet pipe...8, Exhaust outlet pipe...9, Inner pipe...14, Bell mouth...20.
Claims (1)
れた複数の膨張室と、少なくとも２つの膨張室を
互いに連通するインナーパイプと、上記膨張室に
排気を導入する排気導入管と、上記膨張室内の排
気を外部に排出する排気流出管とを備えた排気消
音器において、上記インナーパイプの入口にベル
マウスを設けるとともに上記インナーパイプの流
路面積ＳＥと上記膨張室の流路面積ＳＭとの比 ＳＥ／ＳＭを ０．０５≦ＳＥ／ＳＭ≦０．２５ とし、かつ、上記ベルマウスの径Ｄと上記インナ
ーパイプの径ｄとの比Ｄ／ｄを １．１≦Ｄ／ｄ≦２．０ としたことを特徴とする排気消音器。[Claims for Utility Model Registration] A substantially cylindrical main body, a plurality of expansion chambers formed inside the main body, an inner pipe that communicates at least two expansion chambers with each other, and an exhaust gas introduced into the expansion chambers. In an exhaust muffler equipped with an exhaust inlet pipe and an exhaust outlet pipe for discharging exhaust gas in the expansion chamber to the outside, a bell mouth is provided at the inlet of the inner pipe, and a flow path area SE of the inner pipe and the expansion chamber are provided. The ratio of SE/SM to the flow path area SM is 0.05≦SE/SM≦0.25, and the ratio D/d of the diameter D of the bell mouth and the diameter d of the inner pipe is 1.1. An exhaust silencer characterized in that ≦D/d≦2.0.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11023490U JPH0466315U (en) | 1990-10-23 | 1990-10-23 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11023490U JPH0466315U (en) | 1990-10-23 | 1990-10-23 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0466315U true JPH0466315U (en) | 1992-06-11 |
Family
ID=31857542
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP11023490U Pending JPH0466315U (en) | 1990-10-23 | 1990-10-23 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0466315U (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5325638B2 (en) * | 1973-03-24 | 1978-07-27 | ||
| JPS61232315A (en) * | 1985-04-09 | 1986-10-16 | Yamaha Motor Co Ltd | Muffler for engine |
| JPS6367611B2 (en) * | 1983-10-11 | 1988-12-27 | Matsushita Electric Ind Co Ltd |
-
1990
- 1990-10-23 JP JP11023490U patent/JPH0466315U/ja active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5325638B2 (en) * | 1973-03-24 | 1978-07-27 | ||
| JPS6367611B2 (en) * | 1983-10-11 | 1988-12-27 | Matsushita Electric Ind Co Ltd | |
| JPS61232315A (en) * | 1985-04-09 | 1986-10-16 | Yamaha Motor Co Ltd | Muffler for engine |