Patent ID: 7077094

Claim:
An engine drive assembly comprising: a camshaft gear; a first idler gear engaged with the camshaft gear; a crankshaft gear engaged with the first idler gear; a second idler gear assembly engaged with the crankshaft gear; and a balance shaft gear engaged with the second idler gear; wherein the crankshaft gear drives the camshaft gear via the first idler gear and the crankshaft gear drives the balance shaft gear via the second idler gear assembly, wherein the camshaft gear, first idler gear, crankshaft rear, second idler gear assembly, and balance shaft gear are supported with a balance shaft housing, the balance shaft housing including a balance shaft housing centerline, and wherein the camshaft gear, first idler gear, crankshaft gear, and balance shaft gear are each disposed along the balance shaft housing centerline.