Patent ID: 6523845
Filing Date: 2003-02-25
Classification: B60G,F15B

Abstract:
A method for filling a pressurized medium chamber of a level control system for a motor vehicle by which a vehicle body is suspended relative to at least one axle of the vehicle, the level control system including: a pressurized medium store; at least one pressurized medium chamber which is operatively connected from time to time to the pressurized medium store so that pressurized medium from the pressurized medium store is transferrable into the pressurized medium chamber; and, a compressor which is operatively connected from time to time to the pressurized medium store or to the pressurized medium chamber in such a manner that pressurized medium is transferrable into the pressurized medium store or into the pressurized medium chamber by means of the compressor; the method comprising the steps of:in advance of filling said pressurized medium chamber with the pressurized medium, determining the pressure in said pressurized medium store and the pressure in the pressurized medium chamber and the pressure difference between the pressurized medium store and the pressurized medium chamber; and, during the filling operation, transferring pressurized medium at least from said pressurized medium store to said pressurized medium chamber during a time span during which the pressure difference between said pressurized medium store and said pressurized medium chamber exceeds a threshold value; transferring pressurized medium into said pressurized medium chamber utilizing said compressor when the pressurized medium pressure difference between said pressurized medium store and said pressurized medium chamber drops below said threshold value and a further filling of said pressurized medium chamber is necessary.