Blue Sky Filter is a professional air filter supplier and car air filter manufacturer in China since 2009.


What are the classifications of car filters

by:Blue Sky Filter     2022-03-04

The engine has three filters for air, oil and fuel. The air-conditioning filter in the car is generally called 'four filters'. They are respectively responsible for the filtration of media in the engine air intake system, lubrication system, and combustion system cooling system.

A. The oil filter is located in the engine lubrication system. Its upstream is the oil pump, and downstream is the various parts in the engine that need to be lubricated. Its function is to filter out harmful impurities in the oil from the oil pan, and supply the crankshaft, connecting rod, camshaft, supercharger, piston ring and other moving pairs with clean oil, which plays the role of lubrication, cooling and cleaning. Extend the life of these components.

B. The fuel filter is divided into carburetor and electronic injection type. For gasoline engines using carburetor, the fuel filter is located on the inlet side of the fuel pump, and the working pressure is small. Nylon shell, the fuel filter of the EFI engine is located on the outlet side of the fuel transfer pump, and the working pressure is high, usually a metal shell is used.

C. The car air filter is located in the engine intake system, and it is an assembly composed of one or several filter components that clean the air. Its main function is to filter out harmful impurities in the air that will enter the cylinder, so as to reduce the early wear of the cylinder, piston, piston ring, valve and valve seat.

D. The car air conditioner filter is used to filter the air in the car compartment and the air circulation inside and outside the compartment. Remove dust, impurities, smoke odor, pollen, etc. from the air in the car or into the air in the car to ensure the health of passengers and remove the odor in the car. At the same time, the air conditioner filter also has the function of making the windshield not easy to atomize.

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