JPH0263030U

JPH0263030U -

Info

Publication number: JPH0263030U
Application number: JP14121588U
Authority: JP
Priority date: 1988-10-31
Filing date: 1988-10-31
Publication date: 1990-05-11

Description

[Brief explanation of drawings]

第１図は本考案の一実施例を示す断面図、第２
図は第１図の−線矢視図、第３図、第４図、
第５図、第６図及び第７図は従来例を示す図であ
る。図中、１はピストン、３は燃焼室、４は燃焼用
空気、１１は隆起部、１４，１５，１６，１７は
空気流、１８，１９は衝突部、２１は燃料噴射ノ
ズル、２３，２４は噴孔である。 Fig. 1 is a sectional view showing one embodiment of the present invention;
The figures are a - line arrow view of Fig. 1, Fig. 3, Fig. 4,
FIG. 5, FIG. 6, and FIG. 7 are diagrams showing conventional examples. In the figure, 1 is a piston, 3 is a combustion chamber, 4 is combustion air, 11 is a raised part, 14, 15, 16, 17 is an air flow, 18, 19 is a collision part, 21 is a fuel injection nozzle, 23, 24 is a nozzle.

Claims

[Scope of utility model registration request]

At the bottom of the combustion chamber, which is recessed at the top of the piston and expanded in diameter from the inlet for introducing combustion air, a raised part is formed in an annular shape around the axial center of the combustion chamber, and the raised part is formed on the inside and outside of the combustion chamber. 1. A combustion chamber for an internal combustion engine, characterized in that a combustion injection nozzle has a nozzle orifice directed toward a collision area of a formed air flow.