Cylinder head for an internal combustion engine

The invention relates to a cylinder head (1) for an internal combustion engine having at least one cylinder, having at least one valve seat ring (3) for a lifting valve, wherein the valve seat ring (3) is surrounded by an annular cooling duct (4) for a coolant that is at least partly molded into the...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	Pöschl Robert, Knollmayr Christof
Format:	Patent
Sprache:	eng
Schlagworte:	ARRANGEMENTS OF SEALINGS IN COMBUSTION ENGINES BLASTING COMBUSTION ENGINES COOLING OF INTERNAL-COMBUSTION ENGINES COOLING OF MACHINES OR ENGINES IN GENERAL CYCLICALLY OPERATING VALVES FOR MACHINES OR ENGINES CYLINDERS, PISTONS OR CASINGS, FOR COMBUSTION ENGINES ENGINE PLANTS IN GENERAL HEATING HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS LIGHTING MACHINES OR ENGINES IN GENERAL MECHANICAL ENGINEERING STEAM ENGINES WEAPONS
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Beschreibung
Zusammenfassung:	The invention relates to a cylinder head (1) for an internal combustion engine having at least one cylinder, having at least one valve seat ring (3) for a lifting valve, wherein the valve seat ring (3) is surrounded by an annular cooling duct (4) for a coolant that is at least partly molded into the cylinder head (1), wherein the cooling duct (4) at least partly surrounds the valve seat ring and extends between an inlet (5, 15, 25) and at least one outlet (6). In order to reduce the valve wear, provision is made for a plurality of inlets (5, 15, 25) to open into the cooling duct (4), wherein the inlets (5, 15, 25) are preferably arranged asymmetrically in relation to a meridian plane (δ) of the valve seat ring (3) through the outlet (6).