The role of the air filter is to provide clean air for these mechanical devices to prevent these mechanical devices from inhaling air with foreign particles during work and increasing the chance of abrasion and damage.
The main components of the air filter are the filter element and the casing, where the filter element is the main filtration part, which is responsible for the filtering of the gas, and the casing is the external structure that provides the necessary protection for the filter element. The working requirement of the air filter is to be able to undertake high-efficiency air filtering work without adding too much resistance to the air flow, and can work continuously for a long time.
When the engine is working, a lot of air must be sucked in. If the air is not filtered, the suspended dust in the air is drawn into the cylinder, which will accelerate the wear of the piston group and the cylinder. Larger particles entering between the piston and the cylinder will cause a serious "pull cylinder" phenomenon, which is especially serious in dry and sandy working environments. The air filter is installed in front of the carburetor or intake pipe, and plays the role of filtering out dust and sand particles in the air to ensure that sufficient and clean air enters the cylinder.
