Cylinder-head gasket for internal-combustion engine

Details Cylinder-head gasket for internal-combustion engine Cylinder-head gasket for internal-combustion engine

1988-09-30

1989-08-15

Ward, Robert S.

Seal for a joint or juncture

Seal between relatively movable parts

Relatively rotatable radially extending sealing face member

277166, 277234, F16J 1512

Patent

active

048567965

ABSTRACT:
A cylinder-head gasket comprises a metal core plate having two faces and formed with a plurality of cylinder holes, an annular groove of a predetermined depth around each cylinder hole on one of the plate faces, a plurality of stud holes, and a plurality of lubricant/coolant holes. This plate is normally made of stainless steel, a specialty steel, or a steel with a special surface treatment or coating. A resilient seal normally made of a fluorocarbon or silicone is provided on each of the core-plate faces around the lubricant/coolant holes. A cylinder plate of a thickness greater than the groove depth forms respective cylinder rings of the plate thickness sitting in the grooves around each of the cylinder holes. This cylinder plate is normally of a stainless or specialty steel also.

REFERENCES:
patent: 1557775 (1925-10-01), Robertson
patent: 2001225 (1935-05-01), Victor
patent: 3477867 (1969-11-01), Hillier
patent: 4312512 (1982-01-01), Conte et al.

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