Importance

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Abstract

In a self-contained ride level control system for a motor vehicle, the accumulator pressure is controlled as follows: determination of the current pressure Ps_(current) of the compressed air accumulator (4); definition of at least one level whereto the vehicle can be lifted or lowered; determination os the air volume required for lifting or lowering the motor vehicle from the current level and bringing it to a given level; determination of the subsequent accumulator pressure Ps_(later) for reducing the current accumulator pressure Ps_(current) if the motor vehicle is lifted from its current level up to the given level or determination of the subsequent accumulator pressure Ps_(later) for increasing the current accumulator pressure Ps_(current) if the motor vehicle has been lowered from the current level to the given level; filling the compressed air accumulator (4) with compressed air if the subsequent pressure Ps_(later) is below a lower threshold value Ps (U) and emptying the compressed air accumulator if the subsequent pressure Ps_(later) is higher than an upper threshold value (0).

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First Claim