Cylinder block for internal combustion engine
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United States of America Patent
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Apr 28, 2020
Grant Date -
Aug 16, 2018
app pub date -
Feb 14, 2017
filing date -
Feb 14, 2017
priority date (Note) -
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Abstract
An engine and a method of forming an engine are provided. The engine has a block that defines a cooling jacket extending continuously about an outer perimeter of first and second siamesed cylinders. The block defines a series of head bolt bores intersecting a deck face such that each cylinder is surrounded by four bores. The jacket has a first floor and a second floor. The second floor is offset above the first floor and extends along an intake side of the block between midpoints of the first and second cylinders, respectively. The second floor is configured to decouple a relationship between the cooling jacket and the series of bores for each cylinder and reduce fourth order bore distortion for each cylinder.
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