Hydropneumatic suspension for motor vehicles

Details Hydropneumatic suspension for motor vehicles Hydropneumatic suspension for motor vehicles

1987-06-19

1988-09-27

Rice, Kenneth R.

Land vehicles

Wheeled

Running gear

280714, 280DIG1, 280 6R, B60G 1126

Patent

active

047736720

ABSTRACT:
A hydropneumatic suspension including, for each wheel, a suspension jack having a hydropneumatic accumulator and, for each axle, an additional hydropneumatic accumulator, a stiffness regulator adapted for placing this additional accumulator in or out of circuit under the effect of a hydraulic pressure acting against return means, and a height corrector adapted for connecting the suspension jacks, depending on the axle load, either with a pressurized liquid source or with the exhaust. The height corrector is connected, on the one hand, to the stiffness regulator so as to be connected or not to the suspension jacks at the same time as the additional accumulator and, on the other hand, to an auxiliary duct connecting the suspension jacks together.

REFERENCES:
patent: 3736000 (1973-05-01), Capgras
patent: 3945664 (1976-03-01), Hiruma
patent: 4564214 (1986-01-01), Tokunaga et al.
patent: 4566718 (1986-01-01), Kanai et al.
patent: 4664410 (1987-05-01), Richard

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