LIQUID-COOLED INTERNAL COMBUSTION ENGINE
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United States of America Patent
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Issued Date -
Jan 1, 2015
app pub date -
Feb 7, 2013
filing date -
Feb 8, 2012
priority date (Note) -
Abandoned
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Abstract
A liquid-cooled internal combustion engine, including at least one cylinder block which has a cooling jacket and multiple cylinders. The cooling jacket has a base facing toward a crank chamber and a top facing toward a cylinder head sealing plane. The base has an undulating profile in which a first distance, as measured in the direction of the cylinder axis, between the base of the cooling jacket and the top in the region of at least one first engine transverse plane which encompasses the cylinder axis is greater than a second distance in the region of at least one second engine transverse plane between two adjacent cylinders. In order to reduce cylinder deformation, the cooling jacket has three different heights, in which a third distance between the base of the cooling jacket and the top is smaller in at least one face-end region of the cooling jacket.
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