JPS61171838U - - Google Patents
Info
- Publication number
- JPS61171838U JPS61171838U JP5360985U JP5360985U JPS61171838U JP S61171838 U JPS61171838 U JP S61171838U JP 5360985 U JP5360985 U JP 5360985U JP 5360985 U JP5360985 U JP 5360985U JP S61171838 U JPS61171838 U JP S61171838U
- Authority
- JP
- Japan
- Prior art keywords
- exhaust
- valve
- small
- turbocharged engine
- engine
- 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
- 238000010586 diagram Methods 0.000 description 2
Landscapes
- Supercharger (AREA)
Description
第１図は本考案によるターボ過給エンジンの概
略構成を示す断面図、第２図は本考案による排気
ブレーキ時のシリンダ内ＰＶ線比較図、第３図は
本考案による大排気弁と第３弁とのカムプロフイ
ルとバルブタイミングを示す説明図である。
図面中、１はシリンダヘツド、６ａは大排気ポ
ート、６ｂは小排気ポート、７ａは大排気弁、７
ｂは小排気弁、８ａは大排気通路、８ｂは小排気
通路、９は排気管、１０は排気タービン、１４は
弁停止機構、１５は開閉弁、１６は逆止弁である
。
Fig. 1 is a sectional view showing a schematic configuration of a turbocharged engine according to the present invention, Fig. 2 is a comparison diagram of the PV line in the cylinder during exhaust braking according to the present invention, and Fig. 3 is a diagram showing the large exhaust valve according to the present invention and the third It is an explanatory view showing a cam profile and valve timing with a valve. In the drawing, 1 is a cylinder head, 6a is a large exhaust port, 6b is a small exhaust port, 7a is a large exhaust valve, 7
b is a small exhaust valve, 8a is a large exhaust passage, 8b is a small exhaust passage, 9 is an exhaust pipe, 10 is an exhaust turbine, 14 is a valve stop mechanism, 15 is an on-off valve, and 16 is a check valve.
Claims (1)
ツドの排気系に２分割して形成された大小の排気
ポートと、上記大小の排気ポートに設置された大
排気弁および小排気弁と、エンジンの運転状態に
応じて上記大排気弁を閉止する弁停止機構とを備
えてなることを特徴とするターボ過給エンジン。 In an exhaust turbocharged engine, the exhaust system of the cylinder head is divided into two large and small exhaust ports, and the large and small exhaust valves are installed in the large and small exhaust ports, depending on the engine operating condition. A turbocharged engine comprising: a valve stop mechanism that closes the large exhaust valve when the large exhaust valve is closed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5360985U JPS61171838U (en) | 1985-04-12 | 1985-04-12 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5360985U JPS61171838U (en) | 1985-04-12 | 1985-04-12 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS61171838U true JPS61171838U (en) | 1986-10-25 |
Family
ID=30574637
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP5360985U Pending JPS61171838U (en) | 1985-04-12 | 1985-04-12 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS61171838U (en) |
-
1985
- 1985-04-12 JP JP5360985U patent/JPS61171838U/ja active Pending