The oil filter is an important part of the oil filter, which is used to filter impurities, colloids and moisture in the oil and keep the oil clean. Its main function is to protect the engine, reduce the friction resistance between the relatively moving parts in the engine, and prevent impurities from entering the lubrication system, thereby extending the service life of the engine.
Structure and classification of oil filter element
The structure of the oil filter element includes sealing ring, threaded cover plate, housing, filter element, check valve, bypass valve and support spring. According to the different designs of the main engine factory, the oil filter can be divided into spin-on oil filter and environmentally friendly oil filter. The structure of the spin-on oil filter is more complicated, while the environmentally friendly oil filter focuses on environmental performance.