Semi-active hydropneumatic suspension device and automotive vehicle equipped with this device

摘要

The present invention relates to a semi-active hydropneumatic suspension device which comprises a hydraulic cylinder associated with each of the wheels, provided with a main chamber connected through the medium of a damper with a main hydropneumatic accumulator, each hydraulic cylinder of the front axle being equipped with a height corrector, whereas the rear axle is equipped with a height corrector controlling at least one of the hydraulic cylinders of this axle, wherein each of the hydraulic cylinders is provided with an annular chamber hydraulically connected with at least one hydropneumatic accumulator of the suspension, whereas the height corrector of the rear axle is fed by an additional hydropneumatic compensating accumulator.