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Cylinder head gasket having support functions

IP.com Disclosure Number: IPCOM000176005D
Publication Date: 2008-Oct-31
Document File: 7 page(s) / 321K

Publishing Venue

The IP.com Prior Art Database

Abstract

This disclosure relates to a mono-layer or multi-layer, substantially metallic cylinder head gasket comprising at least one metal sheet layer having at least one bead which is deformable in its height direction, wherein said beaded metal sheet layer and/or a further metal sheet layer of the gasket is provided with at least two support portions for receiving pressing forces acting an the gasket during the mounting and/or during the operation thereof and for protecting the bead against excessive deformations, wherein - seen in a top plan view of the gasket - the bead is arranged between two support portions (forming a so-called double stopper). The bead and the support portions can surround an opening of the flat gasket to be sealed as a whole or partially, or can be provided at a different location of the gasket where, like in the edge portion of an opening, a first one of the support portions can be formed as an edge portion of a metal sheet layer that is bent and folded back upon itself. As an alternative, the first support portion can be formed by means of applying a support plate onto a metal sheet layer, whereby said first support portion is formed in a distance from an edge portion of the metal sheet layer.

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Abstract

The following description discloses a mono-layer or multi-layer, substantially metallic cylinder head gasket comprising at least one metal sheet layer having at least one bead which is deformable in its height direction, wherein said beaded metal sheet layer and/or a further metal sheet layer of the gasket is provided with at least two support portions for receiving pressing forces acting an the gasket during the mounting and/or during the operation thereof and for protecting the bead against excessive deformations, wherein - seen in a top plan view of the gasket - the bead is arranged between two support portions (forming a so-called double stopper). The bead and the support portions can surround an opening of the flat gasket to be sealed as a whole or partially, or can be provided at a different location of the gasket where, like in the edge portion of an opening, a first one of the support portions can be formed as an edge portion of a metal sheet layer that is bent and folded back upon itself. As an alternative, the first support portion can be formed by means of applying a support plate onto a metal sheet layer, whereby said first support portion is formed in a distance from an edge portion of the metal sheet layer.

Zylinderkopfdichtung mit Abstützfunktionen

Ein- oder mehrlagige, im wesentlichen metallische Zylinderkopfdichtung, bei der mindestens eine Metallblechlage mit mindestens einer höhenverformbaren Sicke vorgesehen und diese und/oder eine andere Metallblechlage mit mindestens zwei Abstützbereichen zur Aufnahme von beim Einbau und/oder im Betrieb der Dichtung auf diese einwirkenden Pressungskräften sowie zum Schutz der Sicke vor übermäßigen Verformungen versehen ist, wobei - in der Draufsicht auf die Dichtung -

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die Sicke zwischen zwei Abstützbereichen (sogenannter Doppelstopper) angeordnet ist. Die Sicke und die Abstützbereiche können eine abzudichtende Öffnung der Flachdichtung ganz oder teilweise umschließen oder an einer anderen Stelle der Dich...

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