JPH0163728U - - Google Patents
Info
- Publication number
- JPH0163728U JPH0163728U JP1987160441U JP16044187U JPH0163728U JP H0163728 U JPH0163728 U JP H0163728U JP 1987160441 U JP1987160441 U JP 1987160441U JP 16044187 U JP16044187 U JP 16044187U JP H0163728 U JPH0163728 U JP H0163728U
- Authority
- JP
- Japan
- Prior art keywords
- cavity
- spark
- engine
- combustion chamber
- assist
- 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
Landscapes
- Combustion Methods Of Internal-Combustion Engines (AREA)
Description
第１図は本考案実施例スパークアシスト付エン
ジンのピストンの中央縦断面図。第２図はその斜
視図。第３図は従来例ピストンの中央縦断面図。
１１：ピストン、１２：キヤビテイ、１２ａ：
側壁部、１３：噴射ノズル、１４：スパークプラ
グ、１４ａ：スパークプラグの電極、１５：切欠
き部、１６：凹部。
FIG. 1 is a central vertical sectional view of a piston of an engine with spark assist according to an embodiment of the present invention. Fig. 2 is a perspective view thereof. FIG. 3 is a central vertical sectional view of a conventional piston. 11: Piston, 12: Cavity, 12a:
Side wall portion, 13: injection nozzle, 14: spark plug, 14a: spark plug electrode, 15: notch, 16: recess.
Claims (1)
ンダヘツドに上記キヤビテイの側壁部に向つて燃
料を噴射する噴射ノズルと噴射された燃料を着火
するスパークプラグとが設けられ、上記キヤビテ
イの開口部周縁に上記スパークプラグの電極が入
る切欠き部が設けられたスパークアシスト付エン
ジンの燃焼室において、 上記ピストンが断熱材料により形成され、上記
切欠き部の下方に続く上記キヤビテイの側壁部に
凹部が形成されたことを特徴とするスパークアシ
スト付エンジンの燃焼室。[Claims for Utility Model Registration] A cavity is provided at the top of the piston, and an injection nozzle for injecting fuel toward the side wall of the cavity and a spark plug for igniting the injected fuel are provided at the cylinder head, In a combustion chamber of an engine with spark assist, the combustion chamber of a spark-assist engine is provided with a notch on the periphery of the opening of the cavity into which the electrode of the spark plug is inserted, wherein the piston is formed of a heat insulating material, and a side wall of the cavity continues below the notch. A combustion chamber for an engine with spark assist, characterized in that a recess is formed in the part.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1987160441U JPH0163728U (en) | 1987-10-20 | 1987-10-20 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1987160441U JPH0163728U (en) | 1987-10-20 | 1987-10-20 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0163728U true JPH0163728U (en) | 1989-04-24 |
Family
ID=31442512
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1987160441U Pending JPH0163728U (en) | 1987-10-20 | 1987-10-20 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0163728U (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS55164723A (en) * | 1979-06-09 | 1980-12-22 | Nissan Motor Co Ltd | Cylinder injection type internal combustion engine |
| JPS62139919A (en) * | 1985-12-13 | 1987-06-23 | Isuzu Motors Ltd | Combustion chamber of internal combustion engine |
-
1987
- 1987-10-20 JP JP1987160441U patent/JPH0163728U/ja active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS55164723A (en) * | 1979-06-09 | 1980-12-22 | Nissan Motor Co Ltd | Cylinder injection type internal combustion engine |
| JPS62139919A (en) * | 1985-12-13 | 1987-06-23 | Isuzu Motors Ltd | Combustion chamber of internal combustion engine |