Patent ID: 7513237
Filing Date: 2009-04-07
Classification: F02F,Y10T

Abstract:
1. An engine block for a reciprocating piston internal combustion engine with combustion cylinders, the engine block comprising: an upper deck for attaching an engine head, said upper deck defining a plane; a cylinder cavity wall below said upper deck plane and surrounding first and second combustion chamber locations, wherein said first combustion chamber location is surrounded by a first combustion cylinder when the first combustion cylinder is attached to the engine block, and wherein said second combustion chamber location is surrounded by a second combustion cylinder when the second combustion cylinder is attached to the engine block; and a first cylinder cavity cross member extending from a first cylinder cavity wall portion to a second cylinder cavity wall portion spaced from the first wall portion, said first cross member extending between said first and second combustion chamber locations, wherein said first cross member includes portions of said cylinder cavity wall, and wherein said first cross member enables coolant flow between the first and second combustion cylinders when the first and second combustion cylinders are attached to the engine block, wherein the first cylinder cavity cross member is attached to the engine block after the engine block is cast.