Patent ID: 7469681
Filing Date: 2008-12-30
Classification: F01P,F02M

Abstract:
1. A vertical straight multi-cylinder engine wherein a direction in which a crank shaft spans is a front and rear direction and a widthwise direction of a cylinder head perpendicular to the front and rear direction is a lateral direction, the vertical straight multi-cylinder engine comprising: a cylinder head which has one lateral side surface to which an intake-air distributing passage wall is attached and has the other lateral side surface to which an exhaust-gas converging passage wall is attached, a common rail being arranged around the cylinder head, and wherein the intake-air distributing passage wall is positioned between the cylinder head and the common rail by arranging the common rail laterally of the intake-air distributing passage wall at a position where the common rail overlaps the intake-air distributing passage wall when seen in a direction perpendicular to a cylinder center axis and a center axis of the crank shaft, and which is a position on a side opposite to the cylinder-head side of both lateral sides of the intake-air distributing passage wall.