JPS62117255U

JPS62117255U -

Info

Publication number: JPS62117255U
Application number: JP598386U
Authority: JP
Priority date: 1986-01-20
Filing date: 1986-01-20
Publication date: 1987-07-25

Description

[Brief explanation of the drawing]

第１図は本考案による冷却水通路構造を備えた
内燃機関のシリンダヘツドの一つの実施例を示す
底面図、第２図は第１図の線―に沿う断面図
、第３図は第１図の線―に沿う断面図、第４
図は第１図の線―に沿う断面図である。１……シリンダヘツド、２……燃焼室頭部構成
壁、３……ヘツドボルト通し孔、４……吸気ポー
ト、５……排気ポート、６……吸気弁、７……排
気弁、８……冷却水通路、９……連通孔、１０…
…冷却水出口ギヤラリ、１１……冷却水出口、１
２……下底壁、１３……リブ状壁、１４……ボス
部、１５……鋳砂落し孔、１６……点火プラグホ
ール。 Fig. 1 is a bottom view showing one embodiment of a cylinder head for an internal combustion engine equipped with a cooling water passage structure according to the present invention, Fig. 2 is a cross-sectional view taken along the line - in Fig. Sectional view along the line in the figure, No. 4
The figure is a sectional view taken along the line - in FIG. 1... Cylinder head, 2... Combustion chamber head forming wall, 3... Head bolt through hole, 4... Intake port, 5... Exhaust port, 6... Intake valve, 7... Exhaust valve, 8... Cooling water passage, 9...Communication hole, 10...
...Cooling water outlet gear, 11...Cooling water outlet, 1
2...Lower bottom wall, 13...Ribbed wall, 14...Boss portion, 15...Cast sand pit, 16...Spark plug hole.

Claims

[Scope of utility model registration request]

A cylinder head of an internal combustion engine in which each cylinder has a cooling water inlet on one side of the cylinder head and a cooling water outlet on the other side, and the cooling water flows in a direction transverse to the cylinder arrangement direction. In the cooling water passage structure, a rib-shaped wall is provided between the cylinders in the cooling water passage of the cylinder head, and the rib-shaped wall is continuous with the combustion chamber forming wall and extends in a direction transverse to the cylinder arrangement direction. A cooling water passage structure characterized in that the cooling water outlet is provided near a rib-shaped wall.