Patent ID: 8210149

Claim:
A baffle plate provided between a crankshaft and an oil pan in which lubricating oil is stored, wherein the crankshaft is rotatably installed in an engine block through crank bearings, the crankshaft includes a counter weight provided between the crank bearings, and the crankshaft extends in a direction in which cylinders are arranged, the baffle plate comprising: a discharge portion that discharges the lubricating oil that has dropped onto the baffle plate, to the oil pan; wherein the discharge portion includes a guide groove in which an upstream portion in a rotational direction of the crankshaft is located under the counter weight, and a downstream portion in the rotational direction of the crankshaft is located under the crank bearing; and wherein the discharge portion includes a discharge hole that is formed in the downstream portion of the guide groove in the rotational direction, and that provides communication between the oil pan and the engine block.