Cylinder block for internal combustion engine

Details Cylinder block for internal combustion engine Cylinder block for internal combustion engine

F - Mech Eng,Light,Heat,Weapons

02

F

123/172

F02F 7/00 (2006.01) F01P 3/02 (2006.01) F02F 1/10 (2006.01) F02B 75/18 (2006.01)

Patent

CA 1330510

ABSTRACT OF THE DISCLOSURE A water-cooled multi-cylinder internal combustion engine comprises a water jacket which extends deeper towards the crank case than conventional water jackets without increasing the width of the water jacket. As a result, the lubricating oil in the crank case is effectively cooled by the cooling water. Further, the narrower and deeper water jacket improves the overall cooling efficiency of the cylinder block and the reduced volume of the water jacket speeds up the warm- up of the engine. Casting of this cylinder block is made possible by providing projections at the bottom ends of the water jacket intermediate between adjacent cylinders. These projections facilitates the process of pulling out the core for defining the water jacket during the casting process from the water jacket of the cylinder block without causing any undue stress either to the core or to the cylinder block.

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