Internal-combustion engines – Particular piston and enclosing cylinder construction – Cylinder detail
Patent
1988-08-19
1989-09-19
Cross, E. Rollins
Internal-combustion engines
Particular piston and enclosing cylinder construction
Cylinder detail
123 4184, F02F 1110
Patent
active
048671185
ABSTRACT:
A cylinder head and combustion chamber sealing arrangement that is subdivided into a sealing element in the cylinder liner region (especially for sealing gas) and a sealing element in the cylinder block region. Both sealing elements are made of solid metal. The sealing element for gas sealing, which is disposed in the liner-collar recess, is stressed in a certain range beyond the yield limit of the material by tightening the cylinder head screws. To improve the gas sealing, on the one hand a circumferential groove is provided in the cylinder head opposite the recess in the cylinder liner collar, and on the other hand the recess itself is provided with either a circumferential groove or a circumferential rib. By this means, the liner sealing element is stressed beyond the material yield level in the specific region of its outer and inner perimeters.
REFERENCES:
patent: 3396711 (1968-08-01), Fangman et al.
patent: 3410256 (1968-11-01), Herschmann
patent: 3653369 (1972-04-01), Fangman et al.
patent: 4112907 (1978-09-01), Nikly
patent: 4791891 (1988-12-01), Kubis et al.
Kubis Heribert
Winter Josef
Cross E. Rollins
MAN Nutzfahrzeuge GmbH
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