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What is the principle of car oil filter?

The principle of the automobile oil filter is: during the operation of the engine, with the operation of the oil pump, the oil with impurities enters the oil filter from the oil inlet on the bottom plate assembly of the oil filter, and passes through the check valve to the oil filter. The outside of the filter paper is waiting to be filtered. Under the action of the oil pressure, the oil continuously passes through the filter paper and enters the center tube, and the impurities in the oil remain on the filter paper. The oil filter is composed of filter paper and housing, which is classified into primary oil filter and fine oil filter. The oil filter is located in the engine lubrication system, and its functions are: 1. Filter out harmful impurities in the oil; 2. Extend The service life of each component.

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