JPS5877124U - Pre-chamber diesel engine - Google Patents
Pre-chamber diesel engineInfo
- Publication number
- JPS5877124U JPS5877124U JP17379581U JP17379581U JPS5877124U JP S5877124 U JPS5877124 U JP S5877124U JP 17379581 U JP17379581 U JP 17379581U JP 17379581 U JP17379581 U JP 17379581U JP S5877124 U JPS5877124 U JP S5877124U
- Authority
- JP
- Japan
- Prior art keywords
- sub
- combustion chamber
- injection hole
- diesel engine
- opened
- 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)
- Fuel-Injection Apparatus (AREA)
Abstract
(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
第１図は本考案の一実施例を示す部分断面図である。第
２図は第１図の実施例に使用される燃料噴射弁を示す断
面図である。第３図は第２図の燃料噴射弁の特性を示す
図である。
１４：主燃焼室、２０：副燃焼室、２４：燃料噴射弁、
２６：主噴射孔、２８：副噴射孔、Ａ：旋回空気流。FIG. 1 is a partial sectional view showing an embodiment of the present invention. FIG. 2 is a sectional view showing the fuel injection valve used in the embodiment of FIG. 1. FIG. 3 is a diagram showing the characteristics of the fuel injection valve shown in FIG. 2. 14: Main combustion chamber, 20: Sub-combustion chamber, 24: Fuel injection valve,
26: Main injection hole, 28: Sub injection hole, A: swirling air flow.
Claims (1)
空気が圧縮される際該副燃焼室内に旋回空気流が形成さ
れる副室型ディーゼルエンジンにおいて、 主噴射孔と副噴射孔とを備え、圧送された燃料の圧力上
昇に伴って、その圧力上昇の初期に先ず該副噴射孔が開
かれ、続いてその圧力が高くなった時期に主噴射孔が開
かれる燃料噴射弁を前記副燃焼室に設けるとともに、該
主噴射孔の噴射方向を前記旋回空気流の方向成分を含み
且つ該副燃焼室の壁面に略沿った方向とし、該副噴射孔
の噴射方向を該副燃焼室の略中央部に向う方向゛とした
ことを特徴とする副室型ディーゼルエンジン。[Claims for Utility Model Registration] In a sub-chamber type diesel engine that is provided with a sub-combustion chamber that communicates with the main combustion chamber, and in which a swirling air flow is formed in the sub-combustion chamber when the air in the combustion chamber is compressed, It is equipped with a main injection hole and a sub-injection hole, and as the pressure of the pumped fuel increases, the sub-injection hole is opened first at the beginning of the pressure rise, and then the main injection hole is opened when the pressure increases. A fuel injection valve that is opened is provided in the sub-combustion chamber, and the injection direction of the main injection hole is set to include a directional component of the swirling air flow and substantially along the wall surface of the sub-combustion chamber, and the sub-injection hole An auxiliary chamber type diesel engine characterized in that the injection direction of the auxiliary combustion chamber is directed toward a substantially central portion of the auxiliary combustion chamber.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP17379581U JPS5877124U (en) | 1981-11-20 | 1981-11-20 | Pre-chamber diesel engine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP17379581U JPS5877124U (en) | 1981-11-20 | 1981-11-20 | Pre-chamber diesel engine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS5877124U true JPS5877124U (en) | 1983-05-25 |
Family
ID=29965675
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP17379581U Pending JPS5877124U (en) | 1981-11-20 | 1981-11-20 | Pre-chamber diesel engine |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5877124U (en) |
-
1981
- 1981-11-20 JP JP17379581U patent/JPS5877124U/en active Pending
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