Water pump attachment structure of water-cooled internal combustion engine

A water pump attachment structure of a water-cooled internal combustion engine is provided that can facilitate the maintenance of a valve train. [Solving Means] A water pump attachment structure of a water-cooled internal combustion engine is as below. A semicircular cut-away surface (20u) of a wate...

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Bibliographische Detailangaben
Hauptverfasser:	Tsuchiya, Ryuji, Oki, Kenji, Yamanishi, Teruhide, Miyake, Yutaka
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	ARRANGEMENTS OF SEALINGS IN COMBUSTION ENGINES BLASTING COMBUSTION ENGINES COMBUSTION ENGINES IN GENERAL COOLING OF INTERNAL-COMBUSTION ENGINES COOLING OF MACHINES OR ENGINES IN GENERAL CYLINDERS, PISTONS OR CASINGS, FOR COMBUSTION ENGINES ENGINE PLANTS IN GENERAL HEATING HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS INTERNAL-COMBUSTION PISTON ENGINES LIGHTING MACHINES OR ENGINES IN GENERAL MECHANICAL ENGINEERING STEAM ENGINES WEAPONS
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Beschreibung
Zusammenfassung:	A water pump attachment structure of a water-cooled internal combustion engine is provided that can facilitate the maintenance of a valve train. [Solving Means] A water pump attachment structure of a water-cooled internal combustion engine is as below. A semicircular cut-away surface (20u) of a water pump holder (20) is opposed to a semicircular surface (3u) of a cylinder head (3) to form a water pump support circular hole (21). Screw members (39b) are passed through respective screw through-holes (3h) of the cylinder head (3) and threadedly engaged with internal thread holes (20h) of the water pump holder (20). Thus, the water pump holder (20) is fastened to the cylinder head (3). A water pump (30) is fitted into and secured to the water pump support circular hole (21). A cylinder head cover (4) is attached to the cylinder head (3) by allowing their mating surfaces to conform with each other with the water pump holder (20) liquid-tightly sandwiched therebetween.