INTERNAL COMBUSTION ENGINE COOLING SYSTEM Russian patent published in 2009 - IPC F01P5/00 

FIELD: engines and pumps.

SUBSTANCE: invention is related to the field of transport means, in particular, to cooling devices of internal combustion engines in diesel locomotives and other vehicles. In cooling system of internal combustion engine, which comprises hot and cold circuits of cooling liquids circulation, oil cooling circuit, aftercooler, at least one fan, engine cooling regulation and control equipment, hot circuit that comprises the first circulation pump, engine cooling cavities and the first cooler of circulating liquid, cold circuit that comprises the second circulation pump and the second cooler of circulating liquid in the form of oleo-pneumatic radiator, oil cooling circuit that comprises oil pump, engine oil channels, oil cooler, the first cooler of circulating liquid in hot circuit is arranged in the form of fluid heat exchanger, which is connected by it one side into hot circulation circuit, and by the other side it is connected into cold circuit of cooling liquid circulation, cooling liquid of hot circuit used is water, and cooling liquid of cold circuit used is low-freezing liquid. Oil cooler is connected by its cold side into hot or cold circuits of cooling liquids circulation, aftercooler is connected by its cold side into hot or cold circuits of cooling liquids circulation, and driver cabin heater is also connected into cold circuit of cooling liquid circulation, and liquid heater and auxiliary circulation pump are connected into hot circuit of cooling liquid hot circuit.

EFFECT: reduction of engine operational costs, higher operational reliability of both the engine and its cooling system.

5 cl, 1 dwg