Abstract
Air filter is one of the most important matching accessories for the engine. It can clean up the hard dust particles in the air, providing clean air to the engine to prevent dust cylinder, piston rings, valve, bearing wear and other major components occurring strong wear and the pollution from the engine oil, which can prolong the life of engine. And it has some noise reduction effect.
So an appropriate, efficient and economical air filtration system is very important for the engine. And design a air filter which is efficiency, small air resistance, strong dust capacity, small size, light weight, long replacement cycle, more simple, more safe and more reliable to maintenance and repair is very meaningful, whether from the point of improving the efficiency and economic indicators of the engine of the car, which to prolong the life of the engine, or from the point of saving energy.
Correct design and select appropriate air filter is the premise to ensure engine operate normal, and it can reduce engine wear and tear effectively in the early stage, which to prolong the life of engine. Also, it can reduce the user’s costs, so the customers can get the maximum benefits.
Key words: air filter; working life; filtration efficiency
