LIQUID COOLING SYSTEM OF INTERNAL COMBUSTION ENGINE Russian patent published in 1998 - IPC

FIELD: mechanical engineering; liquid cooling systems. SUBSTANCE: liquid cooling system of internal combustion engine has cylinder block and head cooling jackets, thermostat, radiator, and main pump. It has additional small hydraulic circuit with thermostat, additional pump building increased dynamic head with check valve at delivery side, entire volume of cylinder block cooling jacket, including lowest points, cylinder head cooling jacket, thermostat along which cooling liquid circulates only during warming up of engine or when engine operates at supercooling. Provision is made for introduction of additional hydraulic circuit along which cooling liquid with high freezing temperature circulates only at warming up of engine or during its operation at supercooling. EFFECT: enlarged operating capabilities. 2 cl, 2 dwg