Cylinder head for an internal combustion engine, with integrated exhaust manifold and subgroups of exhaust conduits merging into manifold portions which are superimposed and spaced apart from each other
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United States of America Patent
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May 6, 2014
Grant Date -
Sep 13, 2012
app pub date -
Nov 29, 2011
filing date -
Mar 10, 2011
priority date (Note) -
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status (Latency Note)
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Abstract
A cylinder head for an internal combustion engine has a body integrating, in a single cast piece, an exhaust manifold and including a lower cooling jacket and an upper cooling jacket, The lower cooling jacket is longitudinally divided into a plurality of separate transverse chambers associated to various engine cylinders, while the upper cooling jacket has a portion extending longitudinally over the entire development of the head and communicating with separate transverse chambers located on the intake side of the head. The exhaust conduits integrated in the head form separate subgroups of exhaust conduits merging into manifold portions superimposed and spaced apart from each other. The lower cooling jacket has a portion thereof which extends in the area of the body of the head which separates the superimposed portions of the abovementioned subgroups of exhaust conduits.
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