Yanmar Power Technology Co., Inc.

Koichi Kozato

Hiroaki Naganawa

An engine device including a cylinder block for supporting a crankshaft so that the crankshaft is rotatable. Opposite side portions of the cylinder block along a crankshaft axial direction have, on one of their ends relative to the crankshaft axial direction, projecting portions protruding in a direction away from the crankshaft, and reinforcing ribs provided between side walls and the projecting portions of the opposite side portions so that the reinforcing ribs are widened at their sides close to the corresponding projecting portions, the projecting portions and the reinforcing ribs being integrally formed with the cylinder block.

Growing community of inventors

Osaka, Japan

Koichi Kozato