The role of automobile cooling fan?

The role of automobile cooling fan? Bai functions of automotive cooling system is to absorb the heated parts of part of heat du zhi, send out in time, bao dao the engine work in the back to the appropriate temperature conditions. Answer the engine cooling system with air cooling and water cooling. With air cooling system known as the air cooling system for cooling medium; With coolant as cooling medium water cooling system. Automotive engine cooling system for forced circulation water cooling system, namely using the liquid cooling water pump pressure, forced cooling fluid circulating in the engine. The cooling system is mainly composed of water tank, water pump, radiator, cooling fan, compensation thermostat, the water in the engine block and cylinder head cover and auxiliary equipment, etc. In the cooling system, there are two cooling cycle: one is the main loop of engine cooling, the other one is inside the heating cycle. The two loops are centered on the engine, is to use the same cooling fluid.