Patent ID: 6575123
Filing Date: 2003-06-10
Classification: F01P,F02F

Abstract:
A cooling system for a multi-cylinder engine having a plurality of cylinders comprising:a cylinder block having a plurality of cylinder liners and plurality of oil grooves each arranged in a top deck of said cylinder block to respectively surround said cylinder liners, said plurality of oil groves being arranged in series and being interconnecting in series, a plurality of supply and return channels formed in the cylinder block and being connectable to an oil pump and an oil pan, respectively, a plurality of communication holes formed in said cylinder block for interconnecting adjacent grooves of said plurality of oil grooves in series and said cylinder block having inflow and outflow holes formed therein for connecting the most upstream and downstream oil grooves of said plurality of oil grooves to the supply and return channels, respectively, wherein engine oil is communicable through the oil grooves in series during operation of the engine for effectively cooling a top portion of each of the cylinder liners and a neighboring area thereof.