The oil filter is used to remove impurities such as dust, metal particles, carbon deposits and soot particles in the oil and protect the engine.
Oil filters are divided into full-flow and split-flow types. The full-flow filter is connected in series between the oil pump and the main oil passage, so it can filter all the lubricating oil entering the main oil passage. The split-flow cleaner is connected in parallel with the main oil passage and only filters part of the lubricating oil sent out by the oil pump.
Technical Features:
●Filter paper: The oil filter has higher requirements for filter paper than the air filter, mainly because the temperature of the engine oil changes from 0 to 300 degrees. Under severe temperature changes, the concentration of the engine oil also changes accordingly. This Will affect the filtration flow of engine oil. The filter paper of a high-quality oil filter must be able to filter impurities under severe temperature changes while ensuring sufficient flow.
●Rubber sealing ring: The high-quality engine oil filter sealing ring is made of special rubber to ensure 100% no oil leakage.
●Backflow suppression valve: Only available in high-quality oil filters. When the engine is turned off, it prevents the oil filter from drying out; when the engine is re-ignited, it immediately generates pressure to supply oil to lubricate the engine. (also called check valve)
●Relief valve: Only available in high-quality oil filters. When the external temperature drops to a certain value or when the oil filter exceeds its normal service life, the relief valve will open under special pressure to allow unfiltered oil to flow directly into the engine. However, impurities in the oil will enter the engine, but the damage will be much less than the damage caused by no oil in the engine. Therefore the relief valve is key to protecting the engine in an emergency.
Oil Filter
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