JPH035937U

JPH035937U -

Info

Publication number: JPH035937U
Application number: JP6420989U
Authority: JP
Priority date: 1989-05-31
Filing date: 1989-05-31
Publication date: 1991-01-21

Description

[Brief explanation of the drawing]

第１図は本考案にかかるエンジンの燃料噴射装
置の一実施例を示す概略構造図、第２図はその
−線断面図、第３図は第１および第２燃料噴射
弁の作動領域を示すグラフ、第４図は偏心軸の角
度に対する燃料噴射ポートの開閉時期と第２燃料
噴射弁の噴射時期との関係を示すタイムチヤート
、第５図は別の実施例の要部を示す断面図、第６
図ないし第１４図はそれぞれ層状化促進のために
好ましい例を示し、第６図、第１０図、第１１図
および第１２図はその要部の断面図、第７図、第
９図および第１３図はその要部の概略構造図、第
８図は第７図の−線断面図、第１４図は第１
３図の−線断面図である。７……燃料噴射ポート、８……気筒内噴射用燃
料噴射弁、３１ａ……サイドハウジングの内壁面
（気筒内壁面）、６１，６２，６３……作動室（
燃焼室）、７２……燃料噴射ポートの内壁面、８
１３……気筒内噴射用燃料噴射弁の噴射口。 FIG. 1 is a schematic structural diagram showing an embodiment of an engine fuel injection device according to the present invention, FIG. 2 is a cross-sectional view taken along the line 2, and FIG. 3 shows the operating area of the first and second fuel injection valves. Graph, FIG. 4 is a time chart showing the relationship between the opening/closing timing of the fuel injection port and the injection timing of the second fuel injection valve with respect to the angle of the eccentric shaft, and FIG. 5 is a sectional view showing the main part of another embodiment. 6th
1 to 14 respectively show preferred examples for promoting layering, and FIGS. 6, 10, 11, and 12 are cross-sectional views of the main parts, and FIGS. 7, 9, and Figure 13 is a schematic structural diagram of the main part, Figure 8 is a sectional view taken along the - line in Figure 7, and Figure 14 is a cross-sectional view of Figure 1.
FIG. 3 is a sectional view taken along the - line in FIG. 3; 7... Fuel injection port, 8... Fuel injection valve for in-cylinder injection, 31a... Inner wall surface of side housing (inner wall surface of cylinder), 61, 62, 63... Working chamber (
combustion chamber), 72...Inner wall surface of fuel injection port, 8
13...Injection port of a fuel injection valve for in-cylinder injection.

Claims

[Scope of utility model registration request]

In an engine in which a fuel injection valve for in-cylinder injection is provided in a fuel injection port opened on an inner wall surface of a cylinder, and fuel is supplied into a combustion chamber from the fuel injection valve for in-cylinder injection, the injection of the fuel injection valve for in-cylinder injection is performed. A fuel injection device for an engine, characterized in that an opening is directed toward an inner wall surface of the fuel injection port.