Patent ID: 6517094
Filing Date: 2003-02-11
Classification: B60G

Abstract:
An anti-roll system for a vehicle having a sprung portion and an unsprung portion, said unsprung portion including a first wheel and a laterally opposed second wheel, said system comprising:a first double-acting cylinder having a housing, a rod, a single piston disposed within said housing and fixed to said rod, said single piston and said housing combining to form an upper fluid chamber and a lower fluid chamber, said cylinder coupled to one of said sprung and unsprung portions and said rod coupled to the other thereof such that vertical movement of said first wheel causes said upper and lower fluid chambers to vary in volume; a second double-acting cylinder having a housing, a rod, a single piston disposed within said housing and fixed to said rod, said single piston and said housing combining to form an upper fluid chamber and a lower fluid chamber, said second cylinder coupled to one of said sprung and unsprung portions and said rod coupled to the other thereof such that vertical movement of said second wheel causes said upper and lower fluid chambers to vary in volume; a fluid circuit interconnecting said first and second cylinders, said fluid circuit having first and second conduits wherein said first conduit couples said upper fluid chamber of said first cylinder to said lower fluid chamber of said second cylinder and said second conduit couples said lower fluid chamber of said first cylinder to said upper fluid chamber of said second cylinder; and a tuning apparatus for tuning the response of the system, said tuning apparatus being non-weight bearing and positioned in said lower fluid chamber of said first or second double-acting cylinder said tuning apparatus including an element acting on said piston.