MULTI-CYLINDER ENGINE
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United States of America Patent
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Issued Date -
Jul 25, 2019
app pub date -
Jan 16, 2019
filing date -
Jan 16, 2019
priority date (Note) -
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Abstract
A multi-cylinder engine having an engine body with a cylinder head, and mounted on a vehicle is provided. The engine includes first and second cylinder groups each provided to the engine body and comprised of first and second pluralities of cylinders, first and second exhaust passage groups each having first and second pluralities of independent exhaust passage parts provided to the cylinder head and connected to the first and second cylinder groups, respectively, and first and second collective exhaust passage parts provided to the cylinder head and collecting the first and second pluralities of independent passage parts downstream in an exhaust gas flow direction, and a cooling medium passage provided in the cylinder head, through which a cooling medium flows, and having an intermediate passage part provided between the first collective exhaust passage part and the second collective exhaust passage part.
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