Cylinder head for compression-ignition internal combustion engines having precombustion chambers
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United States of America Patent
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-
Dec 8, 1981
Grant Date -
N/A
app pub date -
Dec 31, 1979
filing date -
Dec 31, 1979
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
An aluminum cylinder head for a compression-ignition internal combustion engine is formed with a cooling chamber and a number of cavities which provide for each cylinder of the engine a precombustion chamber in communication at its upper end with a seat for a fuel injector. Each precombustion chamber and its associated fuel-injector seat are delimited by a wall the outer surface of which faces into the cooling chamber. The cooling chamber is separated by a dividing wall into a lower part adjacent the precombustion chambers and an upper part adjacent the fuel injector seats. Openings are provided in the dividing wall juxtaposed the precombustion chambers so that coolant flowing through said openings between the lower and upper parts of the cooling chamber is constrained to flow against the walls of the precombustion chambers.
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