Patent ID: 6244237
Filing Date: 2001-06-12
Classification: F02B,F16F

Abstract:
A balancer device for a four-cycle V-type eight cylinder engine having an included bank angle of 90 degrees, comprising:a crankshaft;a cylinder block having an upper block and a lower block divided by a horizontal plane passing through a center of said crankshaft, each of said upper and lower blocks defining a bearing hole in such a manner that an axis thereof extends in parallel with said crankshaft, said bearing holes of said upper and lower blocks being located at positions symmetrical with respect to the dividing plane; andbalancer shafts supported in said bearing holes and having gears intermeshed with each other,wherein said two balance shafts are supported in said bearing holes such that respective both ends thereof and respective intermediate portions thereof are disposed at the same positions of said bearing holes in a direction of said crankshaft.