JPS59196520U - direct injection internal combustion engine - Google Patents
direct injection internal combustion engineInfo
- Publication number
- JPS59196520U JPS59196520U JP9171983U JP9171983U JPS59196520U JP S59196520 U JPS59196520 U JP S59196520U JP 9171983 U JP9171983 U JP 9171983U JP 9171983 U JP9171983 U JP 9171983U JP S59196520 U JPS59196520 U JP S59196520U
- Authority
- JP
- Japan
- Prior art keywords
- internal combustion
- combustion chamber
- combustion engine
- direct injection
- chamber recess
- 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
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) [Abstract] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
第１図は本考案による直接噴射式内燃機関の二つの実施
例をその要部について示す縦断面図、第２図は第１図に
示された直接噴射式内燃機関に用いられるピストンの平
面図、第３図及び第４図は各々本考案による直接噴射式
内燃機関の他の一つの実施例をその要部について示す縦
断面図である。
１・・・シリンダブロック、２・・・シリンダヘッド、
３・・・シリンダボア、４・・・ピストン、５・・・燃
焼室窪み、６・・・隆起部、７・・・狭窄部、８・・・
上部室空間、 ′９・・・下部空室空間、１０・・
・燃料噴射ノズル、１１ １、・・・主噴口、１２・・
・副噴口、１３・・・隆起部。Fig. 1 is a vertical sectional view showing the main parts of two embodiments of a direct injection internal combustion engine according to the present invention, and Fig. 2 is a plan view of a piston used in the direct injection internal combustion engine shown in Fig. 1. , 3 and 4 are longitudinal cross-sectional views showing the main parts of another embodiment of the direct injection internal combustion engine according to the present invention. 1... Cylinder block, 2... Cylinder head,
3... Cylinder bore, 4... Piston, 5... Combustion chamber recess, 6... Protruding portion, 7... Narrowing portion, 8...
Upper chamber space, '9...Lower empty chamber space, 10...
・Fuel injection nozzle, 11 1,... Main injection port, 12...
・Sub-nozzle, 13...Elevated part.
Claims (1)
り前記燃焼室窪みへ向けて燃料を噴射される直接噴射式
内燃機関に於て、前記燃焼室窪みはその側周壁に設けら
れた環状の隆起部により与えられる狭窄部を備え、燃料
噴射ノズルは前記狭窄部より前記燃焼室窪みの開口縁の
側へ向けて燃° 料を噴射する噴口と前記狭窄部より前
記燃焼室窪みの底部の側へ向けて燃料を噴射する噴口と
を有している直接噴射式内燃機関。In a direct injection internal combustion engine, which has a combustion chamber recess at the top of the piston, and in which fuel is injected from a fuel injection nozzle toward the combustion chamber recess, the combustion chamber recess has an annular shape provided on its side peripheral wall. The fuel injection nozzle includes a narrowed portion provided by a raised portion, and a fuel injection nozzle that injects fuel from the narrowed portion toward the opening edge side of the combustion chamber recess, and from the narrowed portion toward the bottom side of the combustion chamber recess. A direct injection internal combustion engine that has a nozzle that injects fuel toward the engine.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9171983U JPS59196520U (en) | 1983-06-14 | 1983-06-14 | direct injection internal combustion engine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9171983U JPS59196520U (en) | 1983-06-14 | 1983-06-14 | direct injection internal combustion engine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS59196520U true JPS59196520U (en) | 1984-12-27 |
Family
ID=30221779
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP9171983U Pending JPS59196520U (en) | 1983-06-14 | 1983-06-14 | direct injection internal combustion engine |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS59196520U (en) |
-
1983
- 1983-06-14 JP JP9171983U patent/JPS59196520U/en active Pending
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