Cylinder head sealing device for an internal combustion engine

Details Cylinder head sealing device for an internal combustion engine Cylinder head sealing device for an internal combustion engine

1993-04-16

1995-01-03

Okonsky, David A.

Internal-combustion engines

Particular piston and enclosing cylinder construction

Cylinder head

277235B, 277236, F16J 1508

Patent

active

053776437

ABSTRACT:
A cylinder head sealing device for an internal combustion engine has a cylindrical gasket ring which has a relatively small wall thickness. This gasket ring engages on the one hand an annular groove within the cylinder head which is coaxially arranged relative to the cylinder axis. On the other hand, it engages a recess at the end of the cylinder liner. The annular groove is dimensioned such that during tightening of the cylinder head screws a radial as well as an axial play remains between annular groove and gasket ring. The sealing action is achieved such that the gasket ring which has relatively thin walls relative to its height is expanded by the gas pressure within the cylinder and pressed with its outer cylindrical wall against the recess of the cylinder liner thus leading to a sealing effect. The sealing effect is thus a function of the gas pressure. The sealing with respect to cooling water is achieved by an auxiliary areal seal which is prestressed by the cylinder head screws.

REFERENCES:
patent: 1825769 (1931-10-01), Barbarou
patent: 2939753 (1960-06-01), Schilling et al.
patent: 3139009 (1964-06-01), Harting
patent: 3432177 (1969-03-01), Colwell
patent: 4312512 (1982-01-01), Conte et al.

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