Semi-active hydropneumatic suspension device and automotive vehi

Details Semi-active hydropneumatic suspension device and automotive vehi Semi-active hydropneumatic suspension device and automotive vehi

1988-12-30

1990-06-05

Bertsch, Richard A.

Land vehicles

Wheeled

Running gear

280708, B60G 2100, B60G 1104

Patent

active

049308076

ABSTRACT:
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.

REFERENCES:
patent: 3356954 (1967-05-01), Gottschalk
patent: 4773671 (1988-09-01), Inagaki
patent: 4796911 (1989-01-01), Kuroki et al.
"Automotive Products", Nov. 23, 1983.
French Patent Office Search Report, 10/88.
Design Engineering, "Fluid Power its Place in Car Design", pp. 59-65, (May, 1979).

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