| 摘要 |
PROBLEM TO BE SOLVED: To provide an engine capable of increasing degree of freedom in design by facilitating molding property of a part dividing and forming a water jacket and realizing a highly reliable structure easily. SOLUTION: A part constituting a cylinder block 10 of the engine is composed of divided bodies divided into a cylinder block main body 4 constituting a wall face on a cylinder side and an outer side wall 6 surrounding the water jacket 50 using a section of the water jacket 50 as boundary. The outer side wall 6 is formed as a structural body integral with a cylinder head 7 provided in an upper part of the cylinder block main body 4. COPYRIGHT: (C)2005,JPO&NCIPI
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