Hydraulic Control Apparatus For First And Second Piston Actuators Of An Active Suspension System Of A Vehicle

Abstract: Aspects and embodiments of the invention relate to a hydraulic control apparatus (17), an actuator system (16), and a vehicle (1). The hydraulic control apparatus (17) is for first and second piston actuators (502L, 502R) of an active suspension system (104) of a vehicle (1). The hydraulic control apparatus (17) comprises: a first hydraulic gallery (G1L) hydraulically couplable to a first fluid chamber (C1) of the first piston actuator (502L); a second hydraulic gallery (G2L) hydraulically couplable to a second fluid chamber (C2) of the first piston actuator (502L); a third hydraulic gallery (G1R) hydraulically couplable to a first fluid chamber (C1) of the second piston actuator (502R); a fourth hydraulic gallery (G2R) hydraulically couplable to a second fluid chamber (C2) of the second piston actuator (502R); and a fifth hydraulic gallery (G3) to hydraulically interconnect the first, second, third, and fourth hydraulic galleries (G1L, G2L, G1R, G2R).

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