Patent ID: 6205970
Filing Date: 2001-03-27
Classification: F01M,F02B,F16F

Abstract:
A balance shaft supporting structure for an engine comprising:a casing accommodating therein a pair of balance shafts and disposed below a cylinder block of the engine, wherein said casing comprises an upper casing and a lower casing vertically split from each other, an oil pump body is integrally molded with one of said upper and lower casings as a one-piece unit, and one end of each of said balance shafts is inserted into and supported by said oil pump body; andbearings provided between said upper and lower casings for respectively supporting said balance shafts, each of said bearings being disposed at at least one of an intermediate portion and the other end of said at least one of the balance shafts in an axial direction of said balance shaft, and each of said bearings comprising at least two segments.