Air filter element product type
Apr 08,2024
According to the filtration principle, the air filter can be divided into filter type, centrifugal type, oil bath type and compound type. The air filters commonly used in the engine are mainly inertia oil bath air filters, paper dry air filters, polyurethane filter air filters and so on. Inertia oil bath type air filter has been filtered by inertia type filter, oil bath type filter, filter type filter three filtration, the last two kinds of air filter mainly through the filter element filter type filter. Inertial oil bath type air filter has the advantages of low intake resistance, can adapt to dusty and sandy working environment, long service life, etc., previously used in a variety of models of automobiles and tractor engines. However, this air filter has low filtration efficiency, large weight, high cost and inconvenient maintenance, and has been gradually eliminated in the automobile engine. The filter element of paper dry air filter is made of microporous filter paper treated by resin. The filter paper is porous, loose, folded, has certain mechanical strength and water resistance, and has the advantages of high filtration efficiency, simple structure, light weight, low cost, easy maintenance, etc. It is the most widely used automotive air filter. The filter element of the air filter is made of soft, porous, spongy polyurethane, which has strong adsorption capacity. This air filter has the advantages of paper dry air filter, but the mechanical strength is low, and it is widely used in the car engine. The disadvantages of the latter two air filters are shorter service life and unreliable operation under harsh environmental conditions.
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