Cylinder head gasket with expanded graphite filler

Details Cylinder head gasket with expanded graphite filler Cylinder head gasket with expanded graphite filler

1982-11-12

1983-08-09

Ward, Jr., Robert S.

Seal for a joint or juncture

Seal between relatively movable parts

Relatively rotatable radially extending sealing face member

277180, 277DIG6, F16J 1512

Patent

active

043974724

ABSTRACT:
An improved cylinder head gasket assembly for an internal combustion engine. The zone of the metallic core of the gasket assembly immediately surrounding a combustion chamber is provided with an annular embossment defining a recess which is at least partially filled with a flexible, expanded compressible graphite material. The zone of the embossment is devoid of facing layers. Preferably, the embossment is embraced and ensheathed by armoring, so that the graphite material seals between the armor and the metallic core, all to enhance sealing of the combustion chamber. A secondary embossment filled with graphite material may provide a secondary seal.

REFERENCES:
patent: 3930656 (1976-01-01), Jelinek
patent: 4075114 (1978-02-01), Ishikawa et al.
patent: 4155561 (1979-05-01), Rudy et al.
patent: 4272085 (1981-06-01), Fujikawa et al.

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