JPH046531U

JPH046531U -

Info

Publication number: JPH046531U
Application number: JP4246790U
Authority: JP
Priority date: 1990-04-23
Filing date: 1990-04-23
Publication date: 1992-01-21

Description

[Brief explanation of the drawing]

第１〜４図は本考案に係わるもので、第１図は
副室式内燃機関の要部断面図、第２図は第１実施
例の副室底面拡大図、第３図は第２実施例の第２
図応当図、第４図は第３実施例の第２応当図、第
５図は従来例の第１図応当図である。２……副燃焼室、３……副室噴口、９，９ａ，
９ｂ……隆起部。 Figures 1 to 4 are related to the present invention; Figure 1 is a cross-sectional view of essential parts of a pre-chamber type internal combustion engine, Figure 2 is an enlarged view of the bottom of the pre-chamber of the first embodiment, and Figure 3 is a diagram of the second embodiment. Example 2
FIG. 4 is a second corresponding diagram of the third embodiment, and FIG. 5 is a corresponding diagram of FIG. 1 of the conventional example. 2... Sub-combustion chamber, 3... Sub-chamber nozzle, 9, 9a,
9b... Protuberance.

Claims

[Scope of utility model registration request]

In a sub-combustion type internal combustion engine, raised portions 9, 9a allow incomplete combustion gas to easily flow from the sub-combustion chamber to the main combustion chamber without remaining at the concave bottom of the sub-combustion mouthpiece.
, 9b are installed in the concave bottom portion.