F - Mech Eng,Light,Heat,Weapons – 16 – F
Patent
F - Mech Eng,Light,Heat,Weapons
16
F
267/80
F16F 9/42 (2006.01) B60G 11/20 (2006.01) B60G 17/04 (2006.01) F16F 5/00 (2006.01) F16F 9/20 (2006.01) F16F 9/36 (2006.01) F16F 9/44 (2006.01)
Patent
CA 1303077
-23- ABSTRACT OF THE DISCLOSURE A vehicle with a suspension system having a compressible liquid confined in a cylinder and compressed to a predetermined static pressure. A damping piston is disposed on a double ended rod where the rods have different cross sectional areas to provide a differential area which is acted on by the liquid to spring support the weight of the vehicle. The end of the larger rod is connected to the vehicle chassis and bearings in each end of the cylinder transfer high bending moments due to wheel loads. Friction is reduced by eliminating contact between the large diameter piston and cylinder, and limiting frictional contact to the relatively small diameter of the bearings and seals. Total fluid volume is increased to provide a lower spring rate by a fluid chamber within the rod, and apparatus is provided to control ride height by changes in liquid pressure and/or volume which also changes spring rate. Apparatus is also provided for adjusting damping and thus effective spring rate from the fixed end of the rod.
554044
Davis Leo W.
Kirby Eades Gale Baker
Liquidspring Investors Ltd.
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