Patent ID: 7658393

Claim:
A complementary suspension device, applicable between at least a first hydro-pneumatic suspension system of a first wheel and a second hydro-pneumatic suspension system of a second wheel, wherein the first hydro-pneumatic suspension system and the second hydro-pneumatic suspension system transfer forces originating in said first wheel and said second wheel, respectively, to the complementary suspension device by displacement of fluids of said first and second hydro-pneumatic suspension systems through joint conduits, the complementary suspension device comprising: a first fluid distribution unit; and a second fluid distribution unit; wherein the first fluid distribution unit and the second fluid distribution unit are configured to be connected in parallel between the first hydro-pneumatic suspension system and the second hydro-pneumatic suspension system; wherein the first fluid distribution unit is configured to allow intake of fluid from one of the first hydro-pneumatic suspension system and the second hydro-pneumatic suspension system and, at the same time, allow fluid to exit to the other one of the first hydro-pneumatic suspension system and the second hydro-pneumatic suspension system; wherein the second fluid distribution unit only allows intake of fluid from both of the first hydro-pneumatic suspension system and the second hydro-pneumatic suspension system at the same time; wherein the complementary suspension device further comprises; a third fluid distribution unit analogous to the first fluid distribution unit; and a fourth fluid distribution unit analogous to the second fluid distribution unit; wherein one of the third fluid distribution unit and the fourth fluid distribution unit is connected in series to the first fluid distribution unit, and the other one of the third fluid distribution unit and the fourth fluid distribution unit is connected in series to the second fluid distribution unit.