Static gasket with wire compression limiter
AssigneeFederal-Mogul Corporation
InventorThomas Swasey
Life of this patent
Estimating the term…
Abstract
A static gasket configured for establishing a seal between a cylinder head and an engine block including at least one layer having an opening and at least one compression bead. The compression bead extends circumferentially about the opening and projects out of a plane for deforming elastically when the gasket is compressed between the cylinder head and the engine block. A compression limiter which is formed from a metal wire is disposed radially between the opening and the compression bead for preventing the compression bead from being fully flattened, even if the cylinder head is overloaded onto the engine block. The compression bead is preferably induction and/or resistance welded to at least one of the layer(s).
Claims14
A method of forming a static gasket for establishing a gastight seal between two members to be clamped together, comprising the steps of:
- bending a vertical wall into a gasket layer which extends at least partially along a horizontal plane which has an opening;
- inserting a wire around the vertical wall;
- compressing the wire against the layer after the wire is inserted around the vertical wall to at least partially flatten the wire;
- resistance or induction welding the wire to the gasket layer;
- and
- forming a compression bead into said gasket layer or engaging said gasket layer with another layer than has a compression bead.
A method of forming a static gasket for establishing a gas-tight seal between two members to be clamped together, comprising the steps of:
- drawing a vertical wall into a layer which extends at least partially along a horizontal plane;
- inserting a wire around the vertical wall;
- compressing the wire against the layer to at least partially flatten the wire;
- and
- resistance or induction welding the wire to the layer;
- and
- wherein the step of compressing the wire against the functional layer is further defined as coining the wire against the layer to at least partially flatten the wire.
A method of forming a static gasket for establishing a gas-tight seal between two members to be clamped together, comprising the steps of:
- providing a wire of metal;
- bending the wire into an enclosed shape;
- providing at least one functional layer having an opening and a compression bead;
- engaging the wire with the at least one functional layer around the opening;
- compressing the wire against the at least one functional layer after the wire is engaged with the at least one functional layer to at least partially flatten the wire;
- and
- welding the wire to the functional layer between the opening and the compression bead to prevent the compression bead from being flattened between the two members.
Dependencies are inferred from the claim text.