JPH0267033U - - Google Patents
Info
- Publication number
- JPH0267033U JPH0267033U JP14636188U JP14636188U JPH0267033U JP H0267033 U JPH0267033 U JP H0267033U JP 14636188 U JP14636188 U JP 14636188U JP 14636188 U JP14636188 U JP 14636188U JP H0267033 U JPH0267033 U JP H0267033U
- Authority
- JP
- Japan
- Prior art keywords
- combustion chamber
- top surface
- piston
- direct injection
- injected
- 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
- 238000002485 combustion reaction Methods 0.000 claims description 13
- 238000002347 injection Methods 0.000 claims description 5
- 239000007924 injection Substances 0.000 claims description 5
- 239000000446 fuel Substances 0.000 claims description 4
- 230000006835 compression Effects 0.000 claims 1
- 238000007906 compression Methods 0.000 claims 1
Landscapes
- Combustion Methods Of Internal-Combustion Engines (AREA)
Description
第１図及び第２図は本考案の第一実施例を示し
、第１図は燃焼室構造の断面図、第２図はピスト
ン頂面の平面図、第３図及び第４図は本考案の第
二実施例を示し、第３図は燃焼室構造の断面図、
第４図はピストン頂面の平面図、第５図及び第６
図は本考案の更に他の実施例を示し、第５図は燃
焼室構造の断面図、第６図はピストン頂面の平面
図、第７図及び第８図は従来例を示し、第７図は
従来の燃焼室構造の断面図、第８図は燃料の噴射
状態を示す平面図である。
１７……ピストン、１７ａ……頂面、１９……
燃焼室、１９ａ……燃焼室内壁、２３……噴射ノ
ズル、２５……貫通孔。
Figures 1 and 2 show the first embodiment of the present invention, Figure 1 is a sectional view of the combustion chamber structure, Figure 2 is a plan view of the top surface of the piston, and Figures 3 and 4 are the invention of the present invention. The second embodiment is shown, and FIG. 3 is a sectional view of the combustion chamber structure,
Figure 4 is a plan view of the top surface of the piston, Figures 5 and 6.
The figures show still another embodiment of the present invention, FIG. 5 is a sectional view of the combustion chamber structure, FIG. 6 is a plan view of the top surface of the piston, FIGS. 7 and 8 show a conventional example, and FIG. The figure is a sectional view of a conventional combustion chamber structure, and FIG. 8 is a plan view showing a fuel injection state. 17...Piston, 17a...Top surface, 19...
Combustion chamber, 19a... Combustion chamber inner wall, 23... Injection nozzle, 25... Through hole.
Claims (1)
らピストン頂面の燃焼室内に燃料を放射状に噴射
してなる直噴式内燃機関に於て、上記燃焼室を取
り囲むピストンの環状頂面から各噴射燃料到達域
の燃焼室内壁に向けて、圧縮行程で生ずる空気流
を燃焼室内に導入して各噴射燃料を拡散させる複
数の貫通孔を形成したことを特徴とする直噴式内
燃機関の燃焼室構造。 In a direct injection internal combustion engine in which fuel is radially injected from a multi-hole injection nozzle attached to the cylinder head into a combustion chamber on the top surface of the piston, each injected fuel reaches the area from the annular top surface of the piston surrounding the combustion chamber. A combustion chamber structure for a direct injection internal combustion engine, characterized in that a plurality of through holes are formed toward the combustion chamber wall to introduce an air flow generated in a compression stroke into the combustion chamber and diffuse each injected fuel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14636188U JPH0267033U (en) | 1988-11-08 | 1988-11-08 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14636188U JPH0267033U (en) | 1988-11-08 | 1988-11-08 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0267033U true JPH0267033U (en) | 1990-05-21 |
Family
ID=31415776
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP14636188U Pending JPH0267033U (en) | 1988-11-08 | 1988-11-08 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0267033U (en) |
-
1988
- 1988-11-08 JP JP14636188U patent/JPH0267033U/ja active Pending