JPS62126509U - - Google Patents
Info
- Publication number
- JPS62126509U JPS62126509U JP1305386U JP1305386U JPS62126509U JP S62126509 U JPS62126509 U JP S62126509U JP 1305386 U JP1305386 U JP 1305386U JP 1305386 U JP1305386 U JP 1305386U JP S62126509 U JPS62126509 U JP S62126509U
- Authority
- JP
- Japan
- Prior art keywords
- exhaust gas
- exhaust
- cross
- partition plate
- introduction side
- 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
- 238000005192 partition Methods 0.000 claims description 3
- 239000003054 catalyst Substances 0.000 claims description 2
- 238000002485 combustion reaction Methods 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 2
Description
第１図は本考案の好適一実施例を示す斜視図、
第２図は本考案に採用される排気マニホールドの
分岐管の通路断面形状を示す斜視図、第３図は好
ましくない排ガス流れ状態を示す説明図、第４図
は好ましい排ガス流れ状態を示す説明図、第５図
は中間位置の通路断面形状を排気ポート形状とし
た場合の排ガスの流れ分布の実験結果を示す図、
第６図は中間位置の通路断面形状を分割された導
入側形状とした場合の排ガス流れ分布の実験結果
を示す図、第７図〜第１１図は変形実施例を示す
斜視図、第１２図は従来例を示す斜視図、第１３
図は検討された構造を示す斜視図、第１４図及び
第１５図は検討された構造における排ガスの流れ
状態を示す斜視図、第１６図は本考案に採用され
る排気マニホールドの分岐管の通路断面の一般的
形状を示す概略斜視図である。
図中、１は排気マニホールド、３ａは接合開口
部、４はモノリス触媒、４ａは排ガス導入側、５
は仕切板、６は外形輪郭である。
FIG. 1 is a perspective view showing a preferred embodiment of the present invention;
Fig. 2 is a perspective view showing the cross-sectional shape of the passage of the branch pipe of the exhaust manifold adopted in the present invention, Fig. 3 is an explanatory drawing showing an unfavorable exhaust gas flow state, and Fig. 4 is an explanatory drawing showing a preferable exhaust gas flow state. , FIG. 5 is a diagram showing the experimental results of the exhaust gas flow distribution when the cross-sectional shape of the passage at the intermediate position is the shape of the exhaust port,
Fig. 6 is a diagram showing experimental results of exhaust gas flow distribution when the cross-sectional shape of the passage at the intermediate position is made into a divided introduction side shape, Figs. 7 to 11 are perspective views showing modified embodiments, and Fig. 12 is a perspective view showing a conventional example, No. 13
14 and 15 are perspective views showing the exhaust gas flow state in the studied structure, and FIG. 16 is a branch pipe passage of the exhaust manifold adopted in the present invention. FIG. 2 is a schematic perspective view showing the general shape of a cross section. In the figure, 1 is the exhaust manifold, 3a is the joint opening, 4 is the monolith catalyst, 4a is the exhaust gas introduction side, 5
is a partition plate, and 6 is an external contour.
Claims (1)
板を設け、該仕切板によつて分割された排ガス導
入側に、排気マニホールドの接合開口部をその断
面が該排ガス導入側の外形輪郭と上記仕切板とに
沿つた最大の開口断面形状に形成して接合したこ
とを特徴とする内燃機関の排気系構造。 A partition plate is provided on the monolithic catalyst along the flow direction of the exhaust gas, and the joint opening of the exhaust manifold is connected to the exhaust gas introduction side divided by the partition plate so that its cross section is the same as the external contour of the exhaust gas introduction side. An exhaust system structure for an internal combustion engine, characterized in that the exhaust system is formed and joined to the maximum opening cross-sectional shape along the .
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1986013053U JPH0614021Y2 (en) | 1986-01-31 | 1986-01-31 | Exhaust system structure of internal combustion engine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1986013053U JPH0614021Y2 (en) | 1986-01-31 | 1986-01-31 | Exhaust system structure of internal combustion engine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS62126509U true JPS62126509U (en) | 1987-08-11 |
| JPH0614021Y2 JPH0614021Y2 (en) | 1994-04-13 |
Family
ID=30801755
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1986013053U Expired - Lifetime JPH0614021Y2 (en) | 1986-01-31 | 1986-01-31 | Exhaust system structure of internal combustion engine |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0614021Y2 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2007046463A (en) * | 2005-08-05 | 2007-02-22 | Yamaha Motor Co Ltd | Exhaust system, and engine and vehicle equipped with it |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS55104714U (en) * | 1979-01-18 | 1980-07-22 |
-
1986
- 1986-01-31 JP JP1986013053U patent/JPH0614021Y2/en not_active Expired - Lifetime
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS55104714U (en) * | 1979-01-18 | 1980-07-22 |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2007046463A (en) * | 2005-08-05 | 2007-02-22 | Yamaha Motor Co Ltd | Exhaust system, and engine and vehicle equipped with it |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0614021Y2 (en) | 1994-04-13 |
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