| 摘要 |
PURPOSE: An air suspension of a vehicle is provided to minimize installation spaces thereof, to improve workers' convenience by reducing troublesomeness accompanied with the production of vehicles, and to decrease manufacturing costs by reducing components as a lever connecting a leveling valve and an air spring is not used. CONSTITUTION: An air suspension includes a leveling valve(50) has one end of an air passage(40) connected with a frame(1) of a vehicle body and other end thereof coupled to a vehicle shaft. The air passage expands or contracts the length of an electric field to a load of the vehicle body, and is supplied compressed air from an air tank or discharges inner air to the outside. An air spring(60) covers a predetermined section of the leveling valve, one end thereof supports the lower part of the frame, is expanded or contracted according to the vehicle load by connecting the air passage with an inner space thereof, and keeps the vehicle load in an equilibrium state by lifting up and down the frame.
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