Invention Grant
US08876122B2 Level control for vehicles having at least one air spring 有权
具有至少一个空气弹簧的车辆的液位控制

Level control for vehicles having at least one air spring
Abstract:
A level control for vehicles has at least one air spring cushioning a vehicle body relative to a vehicle axle. A compressed air generator is connected to the air spring by an air dryer and to the atmosphere by a check valve opening in the intake direction of the generator. The air spring can be connected to the atmosphere for discharge via a pneumatically controllable first directional valve. The air spring pressure is applied to a pneumatic control input of the first directional valve via a second controllable directional valve. The input of the first directional valve can be connected to the atmosphere for ending discharge of the spring. A line with a compressed air accumulator branches off from the air spring supply line via a first changeover valve. The accumulator is connected to the intake side of the generator via a second changeover valve.
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