Cylinder head cooling structure
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United States of America Patent
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Aug 27, 2019
Grant Date -
Aug 9, 2018
app pub date -
Aug 1, 2016
filing date -
Aug 5, 2015
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Abstract
A cylinder head cooling structure includes: an intake-side cooling passage, inter-cylinder cooling passages, inter-port cooling passages, first cooling water supply passages that include an upstream end connected to a cooling water supply passage provided in a cylinder block of the engine and a downstream end which joins an upstream end of the inter-cylinder cooling passage; and blocking walls that are provided in the inter-cylinder cooling passages and extend obliquely in a direction from the exhaust ports of the cylinder on an upstream side to the intake ports of the cylinder on a downstream side to divide the inter-cylinder cooling passage.
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