Views: 0 Author: Site Editor Publish Time: 2025-11-13 Origin: Site
Air filter element is a type of filter, also known as air filter cartridge, air filter, style, etc. Mainly used for air filtration in engineering locomotives, automobiles, agricultural locomotives, laboratories, sterile operating rooms, and various precision operating rooms.
According to the filtration principle, air filters can be divided into several types: filtration type, centrifugal type, oil bath type, and composite type. The commonly used air filters in engines mainly include inertia oil bath air filters, paper dry air filters, polyurethane filter air filters, and so on.
The inertia oil bath air filter passes through three stages of filtration: inertia filtration, oil bath filtration, and filtration filtration. The latter two types of air filters mainly pass through filter element filtration. Inertial oil bath air filters have the advantages of low intake resistance, adaptability to dusty and sandy working environments, and long service life. They have been used in various models of car and tractor engines in the past. However, this type of air filter has low filtration efficiency, high weight, high cost, and inconvenient maintenance, and has gradually been phased out in automotive engines.
The filter element of the paper dry air filter is made of microporous filter paper treated with resin. The filter paper is porous, loose, and folded, with certain mechanical strength and water resistance. It has the advantages of high filtration efficiency, simple structure, light weight, low cost, and easy maintenance. It is the most widely used air filter for automobiles.
The polyurethane filter element of the air filter is made of soft, porous, sponge like polyurethane with strong adsorption capacity. This type of air filter has the advantages of a paper dry air filter, but has low mechanical strength and is widely used in car engines.
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