LIQUID COOLING SYSTEM Russian patent published in 2018 - IPC F01P3/20 F01P11/18 

FIELD: engines and pumps.

SUBSTANCE: liquid cooling system has an engine cooling jacket 1 connected to a closed circuit and filled with cooling liquid and provided with a fuel feed lever 2, a liquid pump 3, a cooling radiator 4, an expansion tank 5 connected to them, a blowing fan 6 of a radiator 4 with air flow controller, cooling liquid temperature sensor 7 installed in the engine cooling jacket 1, cooling liquid flow control valves 8, 9 located in the pipeline connecting the cooling jacket 1 of the engine with the radiator 4 of cooling liquid, and in the pipeline connecting the cooling jacket 1 of the engine with the liquid pump 3, a check valve 10 which connects the expansion tank 5 cavity free from cooling liquid to the atmosphere, an electronic control unit 11 connected to a controllable shut-off valve 12 connecting the expansion tank 5 cavity free from the cooling liquid to the atmosphere, a pressure sensor 13 in the expansion tank 5, a cooling liquid temperature sensor 7, flow control valves 8, 9 of cooling liquid and the blowing fan 6 of the radiator 4 with air flow controller, the fuel feed lever 2 is provided with a position sensor 13 connected in turn with the electronic control unit 11.

EFFECT: invention provides control of heat removal from the parts of internal combustion engine depending from outer air temperatures and operational loads.

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