Patent ID: 6837207
Filing Date: 2005-01-04
Classification: F02B,F02F

Abstract:
1. A crankcase of an internal combustion engine, the crankcase comprising: a top including at least a first portion of a top surface of the crankcase; a bottom including a bottom surface of the crankcase and a plurality of side surfaces of the crankcase, wherein the side surfaces are substantially vertical and configured to extend between the top surface and the bottom surface; first and second bearings within at least one of the top and bottom, wherein the first and second bearings are configured to support a crankshaft; and a first interface along at least one of the top surface, the bottom surface and the side surfaces at which the at least one surface is coupled to a first cylinder; wherein the bottom and top interface one another along a split line, and wherein the top is removable from the bottom; and wherein the top is configured to be attached to at least one of an oil filter component, a starter, and an ignition module.