Metal laminate type cylinder head gasket having grommets with di

Details Metal laminate type cylinder head gasket having grommets with di Metal laminate type cylinder head gasket having grommets with di

1994-07-08

1996-01-09

Cummings, Scott W.

Seal for a joint or juncture

Seal between relatively movable parts

Relatively rotatable radially extending sealing face member

277235B, F16J 1508

Patent

active

054822980

ABSTRACT:
A metal laminate type cylinder head gasket is formed of at least two metal plates for constituting the gasket. The gasket includes a plurality of cylinder bores arranged in a longitudinal direction, a plurality of first holes situated in longitudinal end areas of the gasket, and at least one second hole situated in a longitudinal middle area of the gasket. The gasket also includes a plurality of first grommets situated in and around the first holes, and at least one second grommet situated in and around the second hole. The thickness of the second grommet is thinner than that of the first grommet. Thus, when the gasket is tightened, tightening pressure is concentrated in the longitudinal middle area to thereby reduce deformation of a cylinder head.

REFERENCES:
patent: 5131668 (1992-07-01), Uchida

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