Patent ID: 6530353
Filing Date: 2003-03-11
Classification: F05C,F16C

Abstract:
A crankshaft holding structure for an internal combustion engine, the crankshaft holding structure comprising:a crankcase; a plurality of bearings including at least one radial roller bearing having an outer race, said outer race fixed to said crankcase; and a crankshaft having a side surface, said side surface of the crankshaft abutting against a side surface of the outer race of the radial roller bearing and limiting an axial elongation and a deformation of the crankshaft; wherein said crankshaft includes a first crankshaft and a second crankshaft, said first crankshaft having a projection extending from a side surface of said first crankshaft, said projection engaging said outer race of said radial roller bearing in a laterally extended position.