| 摘要 |
PROBLEM TO BE SOLVED: To provide cylinder head structure, effectively cooling an exhaust port collection part and an exhaust part outlet part, without deterioration in manufacturing property of a cylinder head, in a cylinder head for an engine having structure in which exhaust ports of each cylinder are collected and connected to an exhaust pipe. SOLUTION: In the cylinder head 1 for an engine incorporating the exhaust port collection part in which exhaust ports extended from each cylinder are collected, a recess part is formed at a portion positioned to a lower part of the exhaust port collection part of a joint surface joined with a cylinder block 20. The recess part constitutes a space 8 flowing oil or water through it in a joint state with the cylinder block 20. COPYRIGHT: (C)2009,JPO&INPIT
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