Research Status and Development Trend of the Air Pre-filters in Machinery Vehicles

The research status of air pre-filters for domestic and foreign machinery vehicles was introduced.The principle,structure and characteristics of typical air pre-filters on market were analyzed.The filtration efficiency,advantages and disadvantages of the typical air pre-filter were described.The existing problems and improvement measures of air pre-filters were proposed.The future development trend and research areas on the air pre-filters were discussed.