| 摘要 |
PROBLEM TO BE SOLVED: To improve the rigidity of a mounting part in a structure where a separator chamber of a comparatively large capacity is mounted on a side wall part of a cylinder block, and the oil separating function. SOLUTION: A frame-like bank part 11, and an inner bank part 13 extended in the cylinder array direction to vertically defining an inner space of the bank part 11 and connected to the frame-like bank part 11 at its both ends, are mounted on a cylinder block side wall. On the other hand, cover side bank parts 22, 23 oppositely butted to projecting end faces of the frame-like bank part 11 and the inner bank part 13, are mounted on a cover member 20 covering the inner space 12 surrounded by the frame-like bank part 11, and a cut part for circulating the blow-by gas is formed on a cover side bank part 23 at a position opposite to the inner bank part 13. A baffle plate 25 is mounted inside of the cover member at a lower position with respect to the cover side bank part 23 on a position opposite to the inner bank part 13.
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