Patent ID: 8051824

Claim:
A compensating shaft assembly of a device for compensating forces of gravity or moments of inertia of a reciprocating piston internal combustion engine, comprising a compensating shaft supported by one or more journals in a housing filled with a lubricating oil mist, at least one of the journals projects radially past one or two shaft sections of the shaft adjacent to the journals at least within a part of a periphery and one or more radially outward extending ribs extend within the part of the periphery between the one or more journals and the one or two adjacent shaft sections, the shaft is supported on the one or more journals by a roller bearing lubricated merely by the lubricating oil mist in the housing, at least one of the ribs of the one or more journals extends at an angle of attack inclined to a rotational axis of the shaft and is used as a blade for feeding the lubricating oil mist into the roller bearing.