Composite cylinder head of internal-combustion engine
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United States of America Patent
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-
Oct 4, 1988
Grant Date -
N/A
app pub date -
Sep 30, 1986
filing date -
Apr 15, 1985
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A composite cylinder head of an internal-combustion engine includes a bottom wall part to face the combustion chamber and a reinforcement part disposed on the side of the bottom wall part opposite to the combustion chamber and functioning as a back-up reinforcement of the bottom wall part. The two parts of the cylinder head are joined into a single integral structure. The bottom wall part is formed from a metal of higher high-temperature strength and lower thermal conductivity than those of the material of the reinforcement part. This cylinder head makes possible the use of a higher maximum pressure within the cylinder than that in the case of a conventional cylinder head.
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