Importance

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Abstract

A suspension system including four dampers each having a compression chamber and a rebound chamber. First and second hydraulic circuits interconnect the compression and rebound chambers of the front dampers, while third and fourth hydraulic circuits interconnect the compression and rebound chambers of the back dampers. A first bi-directional pump is connected in-line with a first longitudinal hydraulic line that extends between the first and third hydraulic circuits and a second bi-directional pump is connected in-line with a second longitudinal hydraulic line that extends between the second and fourth hydraulic circuits. The first and second bi-directional pumps can pump independently on one another, in the same direction at the same time, or in opposite directions at the same time. The level of pitch and roll stiffness can be adjusted by running the first and second bi-directional pumps to change the pressure in select hydraulic circuits of the system.

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First Claim