COOLING SYSTEM FOR INTERNAL COMBUSTION ENGINE (VERSIONS) Russian patent published in 2019 - IPC F01P3/02 F01P7/16 

FIELD: engines and pumps.

SUBSTANCE: invention relates to a double-circuit engine cooling system. Cooling system includes: first channel for cooling medium, second channel for cooling medium, pump, radiator, third channel for cooling medium, connection switching mechanism, which provides switching between state of connection for direct flow and state of connection for reverse flow, fourth channel for cooling medium, fifth channel for cooling medium and shut-off valve made with possibility of opening/closing of fifth channel for cooling medium. Radiator is located in a place in which cooling medium passing from second end of first channel for cooling medium to fourth end of second channel for cooling medium is not cooled at connection state for reverse flow and cooling medium coming out from second end of first channel for cooling medium and fourth end of second channel for cooling medium, is cooled at connection state for direct flow.

EFFECT: invention provides the possibility of the cylinder block temperature increase in advance at the engine low temperature, as well as prevention of the cylinder block temperature increasing excess at the engine high temperature.

12 cl, 38 dwg