Patent ID: 6234133
Filing Date: 2001-05-22
Classification: F02B,F16F

Abstract:
A balancer shaft supporting structure in an engine including a crankshaft (15) disposed substantially vertically and clamped between dividing surfaces (31) of cylinder block (6) and a crankcase (7), said crankcase (7) being fastened to said cylinder block (6) by bolts (32) inserted from the side of said crankcase (7), structure including balancer shafts (37, 38) connected to and driven by said crankshaft (15), said balancer shafts (37, 38) being supported substantially vertically in said cylinder block (6), wherein upper ends of said balancer shafts (37, 38) and an upper end of said crankshaft (15) protrude upwards from an upper surface of said cylinder block (6), the protrusions of said balancer shafts (37, 38) and said crankshaft (15) being connected together by a power transmitting means (54) and said power transmitting means (54) is covered with a cover (10, 11).