JPS62117208U - - Google Patents

Description

【図面の簡単な説明】[Brief explanation of the drawing]

第１図は本考案による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……鋳砂落し孔、１３……点火プラグホール、
１４……潤滑油入口、１５……潤滑油戻し通路、
１６……潤滑油出口、１７……動弁室、１９……
栓。 Fig. 1 is a bottom view showing one embodiment of the cylinder head of an internal combustion engine according to the present invention, Fig. 2 is a sectional view taken along the line - of Fig. 1, and Fig. 3 is a sectional view taken along the line - of Fig. 1. It is a diagram. 1... Cylinder head, 2... Combustion chamber head constituent 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...casting sand pit, 13...spark plug hole,
14...Lubricating oil inlet, 15...Lubricating oil return passage,
16...Lubricating oil outlet, 17...Valve train chamber, 19...
plug.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] シリンダヘツドの一方の側に冷却水入口を他方
の側に冷却水出口を各々有し冷却水が気筒配列方
向に対しこれを横切る方向へ流れるように構成さ
れた冷却水通路を有する内燃機関のシリンダヘツ
ドに於て、前記冷却水通路の冷却水入口側に潤滑
油戻し通路が隣接して設けられていることを特徴
とするシリンダヘツド。 A cylinder of an internal combustion engine having a cooling water passage configured to have a cooling water inlet on one side of the cylinder head and a cooling water outlet on the other side, so that the cooling water flows in a direction transverse to the direction in which the cylinders are arranged. A cylinder head characterized in that a lubricating oil return passage is provided adjacent to the cooling water inlet side of the cooling water passage.