JPH0240934U - - Google Patents
Info
- Publication number
- JPH0240934U JPH0240934U JP11884388U JP11884388U JPH0240934U JP H0240934 U JPH0240934 U JP H0240934U JP 11884388 U JP11884388 U JP 11884388U JP 11884388 U JP11884388 U JP 11884388U JP H0240934 U JPH0240934 U JP H0240934U
- Authority
- JP
- Japan
- Prior art keywords
- partition wall
- passage
- communication hole
- exhaust pipe
- exhaust
- 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
- 238000005192 partition Methods 0.000 claims description 4
- 238000011144 upstream manufacturing Methods 0.000 claims description 2
- 238000010586 diagram Methods 0.000 description 5
Landscapes
- Characterised By The Charging Evacuation (AREA)
Description
第１図は本考案に係る排気装置を示す図、第２
図は開閉弁を示す断面図、第３図は騒音特性を示
す図、第４図は開閉弁の開閉タイミングチヤート
を示す図、第５図は従来例を示す図である。
図中、３は排気パイプ、１１は隔壁、１２は上
流側通路、１３は下流側通路、１８，１９は連通
穴、２３，２４は開閉弁である。
Fig. 1 is a diagram showing an exhaust system according to the present invention, Fig. 2 is a diagram showing an exhaust system according to the present invention;
3 is a diagram showing the noise characteristics, FIG. 4 is a diagram showing the opening/closing timing chart of the on-off valve, and FIG. 5 is a diagram showing a conventional example. In the figure, 3 is an exhaust pipe, 11 is a partition wall, 12 is an upstream passage, 13 is a downstream passage, 18 and 19 are communication holes, and 23 and 24 are on-off valves.
Claims (1)
いに隣接する上流側通路と下流側通路とを区画す
る隔壁を形成し、該隔壁に上記双方の通路を互い
に連通する連通穴を形成すると共に該連通穴を開
閉する開閉弁を設けたことを特徴とする可変長排
気パイプ。 A partition wall is formed in the exhaust pipe to divide the exhaust passage into an upstream passage and a downstream passage which are adjacent to each other, and a communication hole is formed in the partition wall to communicate the two passages with each other, and the communication hole is formed in the partition wall. A variable length exhaust pipe characterized by being equipped with an on-off valve that opens and closes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11884388U JPH0240934U (en) | 1988-09-12 | 1988-09-12 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11884388U JPH0240934U (en) | 1988-09-12 | 1988-09-12 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0240934U true JPH0240934U (en) | 1990-03-20 |
Family
ID=31363545
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP11884388U Pending JPH0240934U (en) | 1988-09-12 | 1988-09-12 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0240934U (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS62218616A (en) * | 1986-03-20 | 1987-09-26 | Yamaha Motor Co Ltd | Two-cycle engine |
-
1988
- 1988-09-12 JP JP11884388U patent/JPH0240934U/ja active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS62218616A (en) * | 1986-03-20 | 1987-09-26 | Yamaha Motor Co Ltd | Two-cycle engine |