Light metal cylinder head for a valve-controlled internal combustion engine
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United States of America Patent
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-
Jan 24, 1984
Grant Date -
N/A
app pub date -
Sep 3, 1981
filing date -
Sep 13, 1980
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A light metal cylinder head for a valve-controlled internal combustion engine. The cylinder head is provided with at least one insert introduced into that bottom portion of the cylinder head located between the valves, and also has a bore, in that portion of the cylinder head bottom which faces the combustion chamber, for an injection nozzle or a straight channel and/or for an ignition aid, whereby at least the bottom region located between the valves, including the bore region, is coated with a crack-precluding oxide layer. In addition, that portion of the insert which comes into contact with the oxide layer is coated with a material which is resistant to the method of producing the oxide layer.
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