JPH0254326U - - Google Patents
Info
- Publication number
- JPH0254326U JPH0254326U JP13424888U JP13424888U JPH0254326U JP H0254326 U JPH0254326 U JP H0254326U JP 13424888 U JP13424888 U JP 13424888U JP 13424888 U JP13424888 U JP 13424888U JP H0254326 U JPH0254326 U JP H0254326U
- Authority
- JP
- Japan
- Prior art keywords
- valve
- intake
- branch
- cylinder head
- port section
- 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
- 238000002485 combustion reaction Methods 0.000 claims description 4
- 239000000446 fuel Substances 0.000 claims description 4
- 238000002347 injection Methods 0.000 claims description 4
- 239000007924 injection Substances 0.000 claims description 4
- 238000011144 upstream manufacturing Methods 0.000 claims 1
Landscapes
- Combustion Methods Of Internal-Combustion Engines (AREA)
Description
第１図Ａは本考案の一実施例を示すシリンダヘ
ツドの底面図、第１図Ｂは同図Ａ―Ａ線に沿う側
面断面図である。第２図Ａは他の実施例を示すシ
リンダヘツドの底面図、第２図Ｂは同図Ａ―Ａ線
に沿う側面断面図である。第３図Ａはさらに他の
実施例を示すシリンダヘツドの底面図、第３図Ｂ
は同図Ａ―Ａ線に沿う側面断面図である。第４図
Ａはさらに他の実施例を示すシリンダヘツドの底
面図、第４図Ｂは同図Ａ―Ａ線に沿う側面断面図
である。第５図は従来例を示す断面図、第６図、
第７図はそれぞれ作用を示す断面図である。
１……シリンダヘツド、２……ピストン、３…
…燃焼室、４……点火栓、５……吸気ポート、５
ａ，５ｂ……分岐ポート部、７……バルブシート
、９……吸気弁、１１……バルブシート端面、１
３……燃焼室壁、１４……円錐面、２１……燃料
噴射弁、２２……ノズル、２２ａ，２２ｂ……噴
口。
FIG. 1A is a bottom view of a cylinder head showing an embodiment of the present invention, and FIG. 1B is a side sectional view taken along line AA in the figure. FIG. 2A is a bottom view of a cylinder head showing another embodiment, and FIG. 2B is a side sectional view taken along line AA in the same figure. FIG. 3A is a bottom view of a cylinder head showing still another embodiment, FIG. 3B
is a side sectional view taken along line AA in the figure. FIG. 4A is a bottom view of a cylinder head showing still another embodiment, and FIG. 4B is a side sectional view taken along line AA in the same figure. Fig. 5 is a sectional view showing a conventional example; Fig. 6;
FIG. 7 is a sectional view showing the respective effects. 1...Cylinder head, 2...Piston, 3...
...Combustion chamber, 4...Spark plug, 5...Intake port, 5
a, 5b... Branch port section, 7... Valve seat, 9... Intake valve, 11... Valve seat end surface, 1
3... Combustion chamber wall, 14... Conical surface, 21... Fuel injection valve, 22... Nozzle, 22a, 22b... Nozzle port.
Claims (1)
ダヘツドの燃焼室壁に各吸気弁を着座させる各バ
ルブシート端面から円錐状に拡がる円錐面を形成
するとともに、前記複数の吸気弁に共通する吸気
ポートに各吸気弁に対応して分岐ポート部を分岐
形成し、この分岐ポート部の分岐点より上流側に
燃料噴射弁を設け、この燃料噴射弁は燃料を各分
岐ポート部に対応して少なくとも二方向に分岐噴
射するノズルを備えたことを特徴とする多弁式内
燃機関。 The cylinder head is equipped with a plurality of intake valves, and each intake valve is seated on the combustion chamber wall of the cylinder head.A conical surface is formed that spreads conically from the end surface of each valve seat, and an intake port common to the plurality of intake valves is formed. A branch port section is formed to branch corresponding to each intake valve, and a fuel injection valve is provided upstream from the branch point of this branch port section, and this fuel injection valve injects fuel in at least two directions corresponding to each branch port section. A multi-valve internal combustion engine characterized by having a nozzle that performs branched injection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1988134248U JPH0729220Y2 (en) | 1988-10-14 | 1988-10-14 | Multi-valve internal combustion engine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1988134248U JPH0729220Y2 (en) | 1988-10-14 | 1988-10-14 | Multi-valve internal combustion engine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0254326U true JPH0254326U (en) | 1990-04-19 |
| JPH0729220Y2 JPH0729220Y2 (en) | 1995-07-05 |
Family
ID=31392834
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1988134248U Expired - Lifetime JPH0729220Y2 (en) | 1988-10-14 | 1988-10-14 | Multi-valve internal combustion engine |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0729220Y2 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH02196122A (en) * | 1989-01-24 | 1990-08-02 | Nissan Motor Co Ltd | Combustion chamber in internal combustion engine |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS4724167U (en) * | 1971-04-03 | 1972-11-17 | ||
| JPS6326769U (en) * | 1986-08-05 | 1988-02-22 |
-
1988
- 1988-10-14 JP JP1988134248U patent/JPH0729220Y2/en not_active Expired - Lifetime
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS4724167U (en) * | 1971-04-03 | 1972-11-17 | ||
| JPS6326769U (en) * | 1986-08-05 | 1988-02-22 |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH02196122A (en) * | 1989-01-24 | 1990-08-02 | Nissan Motor Co Ltd | Combustion chamber in internal combustion engine |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0729220Y2 (en) | 1995-07-05 |