Method and apparatus for improving quality of actuator motion in

Details Method and apparatus for improving quality of actuator motion in Method and apparatus for improving quality of actuator motion in

1998-02-03

2000-06-20

Culbreth, Eric

Land vehicles

Suspension modification enacted during travel

Including condition or parameter adjustment occurring at...

280 55, 280 5511, B60G 1126

Patent

active

060768371

ABSTRACT:
A method and apparatus is provided for improving quality of actuator motion in a vehicle active tilt control system having front and rear stabilizer bars torsionally adjusted by front and rear actuators, respectively. The actuators are movable between first and second opposing fully stroked positions via pressurized fluid which is pumped through a directional control valve to the actuators. The method includes: a) communicating only a single accumulator with the pumped, pressurized fluid prior to the actuators reaching their respective fully stroked positions in order to cushion actuator movement near the fully stroked positions; and b) automatically discommunicating the single accumulator from the pumped, pressurized fluid as the actuators move away from their respective fully stroked positions.

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