Hydropneumatic axle suspension for vehicles having greatly...

Details Hydropneumatic axle suspension for vehicles having greatly... Hydropneumatic axle suspension for vehicles having greatly...

2006-05-23

2006-05-23

Dickson, Paul N. (Department: 3616)

Land vehicles

Suspension modification enacted during travel

Suspension stiffness for ride comfort

C280S006157, C280S006159

Reexamination Certificate

active

07048280

ABSTRACT:
A hydropneumatic axle suspension for vehicles having greatly varying axle loads, in particular for front axles on tractors having hydraulic suspension cylinders, which are connected to hydropneumatic accumulators having a suspension circuit Z of the cylinder chambers that is pressure-regulated via a level-control device, and a pressure-regulated suspension circuit of the annular spaces for varying the spring rate CA. The axle-spring rate CAautomatically changing via an electromagnetic actuator to increase the ride comfort in accordance with a predefined control mode. Additional, individual variations also being controllable.

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