Patent ID: 7080843

Claim:
A decouplable anti-roll system for a vehicle suspension, comprising: a left anti-roll bar configured to be fastened at one end to a left suspension arm; a right anti-roll bar configured to be fastened at one end to a right suspension arm; a clutch mounted to connect or separate said left and right anti-roll bars; a plurality of oil pressure generating apparatus configured to generate oil pressure when the vehicle rolls; an accumulator connected to said oil pressure generating apparatus; actuators for activating said clutch via the oil pressure generated from said oil pressure generating apparatus to connect or separate said left and right anti-roll bars; solenoid valves respectively mounted to open and close operational fluid passages disposed between said oil pressure generating apparatus and said actuators, and to open and close supplementary fluid passages disposed between said accumulator and said oil pressure generating apparatus; sensors installed to detect relative ascent and descent of a plurality of axles of the vehicle suspension; and a controller for restricting said solenoid valves in response to a signal from said sensors wherein each of said oil pressure generating apparatus comprises: an oil-filled cylinder configured to be mounted at one side to a respective one of said axles; a piston rod configured to be mounted at one side to a vehicle body with its head formed with orifices and valves for sliding inside said cylinder and absorbing impact according to the oil flux through said orifices and said valves; and a compressed rod inserted into a compressed chamber formed inside said piston rod along the longitudinal direction for compressively furnishing oil to said actuators as said piston rod slides down.