Patent ID: 7296554
Filing Date: 2007-11-20
Classification: F01M

Abstract:
1. An internal combustion engine comprising: an engine housing including a crankcase defining a crank chamber adapted to contain a lubricant; a crankshaft coupled to the engine housing for rotation about a crank axis, the crankshaft disposed within the crank chamber; a counterweight disposed on the crankshaft for rotation with the crankshaft about the crank axis; and a splasher disposed on the crankshaft for rotation with the crankshaft about the crank axis, the splasher adapted to direct the lubricant in a radial direction away from the crank axis and in an axial direction substantially parallel to the crank axis during rotation of the crankshaft; wherein the splasher includes a substantially cylindrical inner shell disposed on the crankshaft and an outer cylindrical shell coupled to the substantially cylindrical inner shell by a plurality of ribs.