JPS6249620U - - Google Patents
Info
- Publication number
- JPS6249620U JPS6249620U JP13844385U JP13844385U JPS6249620U JP S6249620 U JPS6249620 U JP S6249620U JP 13844385 U JP13844385 U JP 13844385U JP 13844385 U JP13844385 U JP 13844385U JP S6249620 U JPS6249620 U JP S6249620U
- Authority
- JP
- Japan
- Prior art keywords
- piston
- combustion chamber
- recess
- diesel engine
- 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.)
- Pending
Links
- 238000002347 injection Methods 0.000 claims description 6
- 239000007924 injection Substances 0.000 claims description 6
- 238000002485 combustion reaction Methods 0.000 claims description 5
- 239000000446 fuel Substances 0.000 claims description 4
Landscapes
- Combustion Methods Of Internal-Combustion Engines (AREA)
- Fuel-Injection Apparatus (AREA)
Description
第１図は本考案に係る直接噴射式デイーゼル機
関の燃焼室の構造の一実施例を示すその縦断面図
、第２図は本考案の他の実施例を示す縦断面図、
第３図は従来の燃焼室構造を示す縦断面図、第４
図はそのホールノズルの先端部を示す縦断面図で
ある。
１１……シリンダ孔、１２……ピストン、１２
Ａ……ピストンヘツド、１３……シリンダヘツド
、１６……燃焼室、１７……シリンダヘツドの凹
部、１８……燃料噴射ノズル、２３……キヤビテ
イ（ピストンヘツドの凹部）。
FIG. 1 is a longitudinal cross-sectional view showing one embodiment of the structure of a combustion chamber of a direct injection diesel engine according to the present invention, and FIG. 2 is a longitudinal cross-sectional view showing another embodiment of the present invention.
Figure 3 is a longitudinal sectional view showing the conventional combustion chamber structure;
The figure is a longitudinal sectional view showing the tip of the hole nozzle. 11...Cylinder hole, 12...Piston, 12
A... Piston head, 13... Cylinder head, 16... Combustion chamber, 17... Recess in cylinder head, 18... Fuel injection nozzle, 23... Cavity (recess in piston head).
Claims (1)
在に嵌合されたピストンの頂面との間に画成され
た燃焼室内に燃料を噴射する燃料噴射ノズルを有
する直接噴射式デイーゼル機関において、上記シ
リンダヘツドの下面に断面略台形の凹部を形成す
る一方、上記ピストンの頂部を断面略台形に突出
させ、その頂面に凹部を形成するとともに、上記
燃料噴射ノズルをシリンダ孔の中心軸上に配設し
たことを特徴とする直接噴射式デイーゼル機関の
燃焼室の構造。 In a direct injection diesel engine having a fuel injection nozzle for injecting fuel into a combustion chamber defined between the lower surface of the cylinder head and the top surface of a piston reciprocatably fitted into a cylinder hole, a recess with a substantially trapezoidal cross section is formed on the lower surface of the piston, while the top of the piston projects with a substantially trapezoidal cross section, a recess is formed on the top surface, and the fuel injection nozzle is disposed on the central axis of the cylinder hole. The structure of the combustion chamber of a direct injection diesel engine.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13844385U JPS6249620U (en) | 1985-09-10 | 1985-09-10 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13844385U JPS6249620U (en) | 1985-09-10 | 1985-09-10 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6249620U true JPS6249620U (en) | 1987-03-27 |
Family
ID=31043429
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP13844385U Pending JPS6249620U (en) | 1985-09-10 | 1985-09-10 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6249620U (en) |
-
1985
- 1985-09-10 JP JP13844385U patent/JPS6249620U/ja active Pending
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