DOUBLE-CIRCUIT CIRCULATION SYSTEM FOR LIQUID COOLANT IN VEHICLE INTERNAL COMBUSTION ENGINE Russian patent published in 2016 - IPC F01P3/02 

FIELD: engines and pumps.

SUBSTANCE: dual circulation system of the liquid coolant in the combustion engine of a vehicle, comprising a main radiator fan for cooling the coolant as it flows from heat exchange channels in the head and the engine block, in accordance with the invention comprises a pump for supplying coolant to the heat exchange channels of the cylinder head of the engine, the pump for supplying coolant in heat exchange channels engine block, said pump supplying coolant to the channels in the cylinder head of the engine and in the engine block are driven by electric motors in hydraulic reporting main radiator pumps supplying coolant in heat exchange channels of the cylinder head of the engine and the engine block installed valves driven by the stepping motor, and hydraulic lines that report to the outputs of the primary radiator of the heat exchange channels in the cylinder head of the engine and the engine block, set-off valves.

EFFECT: invention provides optimum temperature separate head and cylinder block of the engine under varying conditions of engine operation.

4 cl, 1 dwg