At least substantially metallic cylinder head gasket

Cylinder head gasket with a gasket plate having at least one combustion chamber opening and comprising at least two sheet metal layers, a first one of which is provided with at least one bead which is elastically deformable in its height and encloses the combustion chamber opening, and a second one...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: Gruhler, Tobias, Diez, Armin, Fritz, Wolfgang, Schmauder, Karl
Format: Patent
Sprache:eng
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Beschreibung
Zusammenfassung:Cylinder head gasket with a gasket plate having at least one combustion chamber opening and comprising at least two sheet metal layers, a first one of which is provided with at least one bead which is elastically deformable in its height and encloses the combustion chamber opening, and a second one of which is provided with at least one deformation delimiting device delimiting deformation of the bead and surrounding the combustion chamber opening; in order to achieve as rigid a delimitation of the deformation as possible, the original second sheet metal layer is formed by a steel sheet which is plastically deformable by cold flow pressing, and in a plan view of the second sheet metal layer the deformation delimiting device forms a two-dimensional pattern of discrete, cup-like depressions, with the total volume of the depressions stamped by flow pressing being approximately equal to the total volume of the elevations formed by the material of the second sheet metal layer that is displaced during the stamping of the depressions.