Filter, refers to filter through the filter impurities or gas from the role of accessories. Generally refers to the car filter, is the engine parts.
　　According to different filtering function is divided into: oil filter, fuel filter (gasoline filter, diesel filter, oil-water separator, hydraulic filter), air filter, air filter and so on. Engine has air, oil, fuel three filters, commonly known as "three filters", coupled with air-conditioning filters, commonly known as the four filter. Respectively responsible for the lubricating system, the combustion system medium, the engine intake system, cabin air circulation system filtering.
　　Oil filter is located in the engine lubrication system. It is upstream of the oil pump, downstream of the engine needs to be lubricated parts. Its role is to filter oil from the oil pan in the harmful impurities, with clean oil supply crankshaft, connecting rod, camshaft, supercharger, piston rings and other sports vice, play lubrication, cooling, cleaning and thus Extend the life of these components.
　　Fuel filter its role is to filter out the engine fuel gas system of harmful particles and water to protect the pump nozzle, cylinder liner, piston ring, etc., to reduce wear and tear, to avoid blockage. Remove the iron oxide contained in the fuel.
　　There are two types of air filters, dry and wet.
　　Air conditioning filters, commonly known as pollen filters, car air conditioning filters role is: filtering from the outside into the compartment of the air so that the air cleanliness Improve, the general filter material refers to the air contains impurities, tiny particles, pollen, bacteria, industrial emissions and dust, etc., the effect of air-conditioning filter is to prevent such substances from entering the air-conditioning system to damage the air-conditioning system, Good air environment with staff to protect the health of the car staff, there is to prevent the glass atomization.
　　This article by the Dongguan Heyi filter Technology Co., Ltd. finishing.