Cylinder head gasket
AssigneeGM Global Technology Operations LLC
InventorDomenico Maccarrone
Life of this patent
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Abstract
A cylinder head gasket including a stack of layers that includes a first functional layer having an embossed first sealing full bead and a first stopper, a second functional layer having an embossed second sealing full bead, and a carrier layer having an embossed carrier layer full bead. The first sealing full bead and the second sealing full bead are mutually superimposed. The carrier layer full bead and the first stopper are mutually superimposed. The carrier layer full bead when it is fully compressed has a maximum line load range included between 75 and 125 N/mm and assumes a flat configuration.
Claims11
A cylinder head gasket for sealing an interface between an engine block and a cylinder head having a cylinder wall, the cylinder head gasket comprising a stack of layers including:
- a first functional layer having an embossed first sealing full bead and a first stopper provided in a region adjacent to the cylinder wall;
- a second functional layer having an embossed second sealing full bead, wherein the first sealing full bead is directly facing and directly contacting the second sealing full bead;
- and a carrier layer having an embossed carrier layer full bead facing the first stopper, wherein the carrier layer full bead has a maximum line load in a range comprised between 75 and 125 N/mm and assumes a flat configuration when fully compressed.
An internal combustion engine comprising:
- a cylinder block;
- a cylinder head having a cylinder wall;
- and a gasket interposed between the cylinder block and the cylinder head, the gasket comprising a stack of layers including:
- a first functional layer having an embossed first sealing full bead and a first stopper provided in a region adjacent to the cylinder wall;
- a second functional layer having an embossed second sealing full bead, wherein the embossed first sealing full bead is directly facing and directly contacting the embossed second sealing full bead;
- and a carrier layer having an embossed carrier layer full bead facing the first stopper, wherein the embossed carrier layer full bead has a maximum line load in a range comprised between 75 and 125 N/mm and assumes a flat configuration when fully compressed.
Dependencies are inferred from the claim text.