Motor block as well as casting mold and casting method for the manufacture thereof
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United States of America Patent
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Mar 27, 2001
Grant Date -
N/A
app pub date -
Jul 20, 1999
filing date -
Jul 21, 1998
priority date (Note) -
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Abstract
In an engine block having cylinder cavities arranged close together, a cooling duct is produced in an intermediate wall between the cylinders by pouring the casting material around a mold core made preferably from a material that is soluble in a liquid, combustible and/or brittle, so that the mold core can easily be removed from the duct once the casting has solidified. In the casting mold, the duct mold core is secured solely at its ends so that a cooling duct is formed that is bordered exclusively by a skin of casting material.
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