Patent ID: 6213072
Filing Date: 2001-04-10
Classification: F01L,F02B

Abstract:
A V-shaped internal combustion engine having a balance device, said engine comprising:a crankshaft;V-shaped cylinder banks having a bank defining angle of 90 degree;a first endless power transmission belt for driving a first camshaft member which is provided above a cylinder head of one of said V-shaped cylinder banks;a first gear interposed between said first endless power transmission belt and said crankshaft;a second endless power transmission belt for driving a second camshaft member which is provided above a cylinder head of the other of said V-shaped cylinder banks;a second gear interposed between said second endless power transmission belt and said crankshaft,a pair of balancer shafts rotating in opposite directions to each other and extending in parallel with an axis of said crankshaft;a pair of third gears driving said pair of balance shafts respectively; anda third power transmission belt for connecting said crankshaft and one of said balancer shafts, said third power transmission belt being disposed at a position outside an area interfering with said first and second endless power transmission belts on a plane perpendicular to the axial direction of said crankshaft.