F - Mech Eng,Light,Heat,Weapons – 16 – F
Patent
F - Mech Eng,Light,Heat,Weapons
16
F
267/68
F16F 9/20 (2006.01) B60G 17/04 (2006.01) B60G 17/08 (2006.01)
Patent
CA 2003636
ABSTRACT OF THE DISCLOSURE An active vehicle suspension includes a strut comprising a piston working in a cylinder and movable to compensate for unexpected road inputs to the suspension and for inputs generated by the driver, such as inertial forces introduced by braking or cornering. At times when the piston is being moved by the road and driver inputs to compress the strut excess hydraulic fluid is fed from the strut to an accumulator where it is temporarily stored at high pressure and later released back to the strut when it is desired to increase the length of the strut. Thus some, and sometimes all, of the energy needed to extend the strut can be supplied by the accumulator rather than a pump. This saves energy. The piston has unequal areas and a system of spool valves is provided to control the flow of fluid between the strut, accumulator, and pump.
G. Ronald Bell & Associates
Group Lotus Limited
Jones Neil
LandOfFree
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