Integrated exhaust cylinder head
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United States of America Patent
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Feb 24, 2015
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N/A
app pub date -
Sep 7, 2011
filing date -
Sep 7, 2011
priority date (Note) -
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Abstract
An engine cooling system is provided. The engine cooling system includes a cylinder head including an integrated exhaust manifold that directs exhaust gases to an exhaust outlet port and a coolant passage surrounding the exhaust manifold. The engine cooling system further includes a cluster of separated exhaust passages for directing exhaust gases to the exhaust outlet port, the cluster including a drill hole disposed within material between the exhaust passages, the drill hole fluidically coupled to the coolant passage.
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