Patent ID: 7322320

Claim:
A cylinder block for mounting a cylinder head thereon, the cylinder block comprising: a block in which a plurality of cylinders are formed; a water jacket formed around the plurality of cylinders, the block including: a cylinder liner portion including the cylinders and defining an inner wall of the water jacket; a cylinder block body defining an outer wall of the water jacket, the cylinder block body having a top surface; an upper decks formed integrally with the cylinder liner portion and supported by the top surface of the cylinder block body, with the cylinder head being mountable on the upper deck; a partition wall formed in the cylinder liner portion for partitioning a pair of adjacent ones of the cylinders, the partition wall extending downward from the cylinder liner portion, and a support member for supporting the partition wall in the cylinder block body from below, the support member is integrally formed with the cylinder block body, wherein a crankshaft is rotatably supportable from the support member and the lower end portion of the partition wall.