Patent ID: 6732679
Filing Date: 2004-05-11
Classification: F01P,F02B,F02F

Abstract:
A water-cooled internal combustion engine with cylinders and a crankshaft, comprising:a cylinder block receiving said cylinders therein and defining a block-side coolant jacket; and a cylinder head connected to an upper portion of said cylinder block and defining a head-side coolant jacket, wherein coolant discharged from a coolant circulating pump is supplied to said block-side coolant jacket via said head-side coolant jacket, further wherein a first inlet port of said cylinder head through which said coolant discharged from said coolant circulating pump is allowed to flow into said head-side coolant jacket is provided at one end portion in a cylinder-head center line direction and an intake side of said cylinder head, further wherein a first outlet port of said cylinder head through which said coolant from said head-side coolant jacket is allowed to flow out into a heater core is provided at the other end portion in the cylinder-head center line direction and an exhaust side of said cylinder head, and wherein the first outlet port is formed to open in the cylinder-head center line direction.