| 摘要 |
<p>This invention provides an oil pan (1) for internal combustion engine having an intensified stiffness and capable of suppressing vibration and radiating sound and of light weight achieved by reducing the quantity of components. More specifically, this invention provides an oil pan (1) for internal combustion engine comprising an upper portion (2) to be attached to the bottom portion of a cylinder block directly or through an adaptor plate and a lower portion (3) provided on the bottom of the upper portion (2), in which a baffle plate (5) is formed integrally downward of the upper portion and an oil supplying means for sucking the oil accumulated in the lower portion by sucking portion (5b) and supplying sucked oil to respective portions of the internal combustion engine is provided, wherein the upper portion (2) is constituted of side walls connecting the cylinder block with the lower portion and the baffle plate (5), the baffle plate (5) is comprised of the sucking portion (5b) of the oil supplying means provided substantially in the center and an inclined portion (5c) which is inclined downward toward the side wall with the sucking portion as its vertex, and communicating opening portions (5a) are formed near the side walls of the inclined portion to communicate the cylinder block with the lower portion.</p> |
