Cooling channels in the cylinder head of an internal combustion engine
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United States of America Patent
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Apr 10, 2012
Grant Date -
Jan 1, 2009
app pub date -
Jun 27, 2008
filing date -
Jun 30, 2007
priority date (Note) -
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Abstract
In a method for casting a cylinder head of a piston engine in a region of cooling channels for valve seat rings, a separate core is provided for defining cooling channels, and the cooling channel core is mounted in a bottom plate of a casting mold at various points thereof. The cooling channels for the valve seat rings have a cooling channel region formed by two interconnected rings and at least one cooling fluid supply channel and at least one cooling fluid drain channel. The two rings are disposed at a distance from the valve seat rings, adjacent to them.
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