| 摘要 |
<p>PROBLEM TO BE SOLVED: To provide a resin oil pan free from breakage even when colliding with an obstacle.SOLUTION: A bottom wall 2 of an oil pan 1 made of a resin material, has a front wall portion 5 positioned at a vehicle front side, and a rear wall portion 6 continued from the front wall portion 5 at a prescribed angle, and positioned more on a vehicle rear side from the front wall portion 5. The front wall portion 5 is set to have an inclination to be positioned at a lower side in a vehicle vertical direction toward the vehicle rear side, in a state that the oil pan 1 is mounted on a cylinder block loaded on a vehicle. On an outer wall surface 5a of the front wall portion 5, a plurality of transverse ribs 7 as external force absorbing means, having a substantially rectangular cross-section extended along the width direction of the vehicle, are formed.</p> |
