JPS63132836U - - Google Patents
Info
- Publication number
- JPS63132836U JPS63132836U JP1987025289U JP2528987U JPS63132836U JP S63132836 U JPS63132836 U JP S63132836U JP 1987025289 U JP1987025289 U JP 1987025289U JP 2528987 U JP2528987 U JP 2528987U JP S63132836 U JPS63132836 U JP S63132836U
- Authority
- JP
- Japan
- Prior art keywords
- exhaust
- upstream side
- passage
- valve
- communicates
- 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.)
- Granted
Links
- 238000011144 upstream manufacturing Methods 0.000 claims 3
- 238000010586 diagram Methods 0.000 description 1
Landscapes
- Exhaust Silencers (AREA)
- Characterised By The Charging Evacuation (AREA)
- Exhaust Gas After Treatment (AREA)
Description
第１図は本考案に係るエンジンの排気構造のシ
ステム構成図、第２図は開閉弁の開閉制御フロー
を示すチヤート図である。
２０……排気ポート、３……排気マニホールド
（排気通路）、３１・３２・３３・３４……気筒
別通路（独立した排気通路）、３５……連通路、
４……開閉弁。
FIG. 1 is a system configuration diagram of an engine exhaust structure according to the present invention, and FIG. 2 is a chart showing the opening/closing control flow of an on-off valve. 20...Exhaust port, 3...Exhaust manifold (exhaust passage), 31, 32, 33, 34...Cylinder separate passage (independent exhaust passage), 35...Communication passage,
4...Opening/closing valve.
Claims (1)
続され且つ下流側で合流する排気通路と、該排気
通路の独立した部分の上流側を連通する連通路と
、該連通路を高回転・高負荷時には開成する開閉
弁とを備えたエンジンの排気装置に於いて、エン
ジン低温時には上記開閉弁を閉成するよう構成し
たこと、を特徴とするエンジンの排気装置。 An exhaust passage whose upstream side is independently connected to the exhaust port of each cylinder and which joins on the downstream side, a communication passage that communicates the upstream side of the independent part of the exhaust passage, and a communication passage that communicates with the upstream side of the independent part of the exhaust passage, 1. An engine exhaust system comprising an on-off valve that is sometimes opened, characterized in that the on-off valve is closed when the engine is at a low temperature.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1987025289U JPH0526249Y2 (en) | 1987-02-23 | 1987-02-23 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1987025289U JPH0526249Y2 (en) | 1987-02-23 | 1987-02-23 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS63132836U true JPS63132836U (en) | 1988-08-30 |
| JPH0526249Y2 JPH0526249Y2 (en) | 1993-07-02 |
Family
ID=30825303
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1987025289U Expired - Lifetime JPH0526249Y2 (en) | 1987-02-23 | 1987-02-23 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0526249Y2 (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5968520A (en) * | 1982-10-12 | 1984-04-18 | Yamaha Motor Co Ltd | Exhaust device for internal-combustion engine with multi-cylinders |
-
1987
- 1987-02-23 JP JP1987025289U patent/JPH0526249Y2/ja not_active Expired - Lifetime
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5968520A (en) * | 1982-10-12 | 1984-04-18 | Yamaha Motor Co Ltd | Exhaust device for internal-combustion engine with multi-cylinders |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0526249Y2 (en) | 1993-07-02 |