Patent ID: 7131654

Claim:
A suspension system for a four wheeled vehicle, said suspension system comprising a first damper, a second damper, a third damper and a fourth damper, each of said dampers comprising a cylinder body and a piston arranged to reciprocate within said damper, each piston dividing an interior of each cylinder body into an upper chamber and a lower chamber, each piston also comprising a connecting passage that places said upper chamber and said lower chamber in fluid communication, said lower chamber of said first damper and said lower chamber of said second damper being interconnected with a pressure regulator, said first pressure regulator comprising a first pressure regulating chamber and a second pressure regulating chamber, a first movable wall defining at least a portion of said first pressure regulating chamber and a second movable wall defining at least a portion of said second pressure regulating chamber, said lower chamber of said first damper being connected to said first pressure regulating chamber and said lower chamber of said second damper being connected to said second pressure regulating chamber, a passage extending between said first pressure regulating chamber and said second pressure regulating chamber, said pressure regulator further comprising a third pressure regulating chamber, said third pressure regulating chamber being fluidically connected with a flow rate regulator which fluidically communicates with a second pressure regulator through at least a first conduit, said flow rate regulator being disposed along said first conduit and being fluid communication with said first conduit, said flow rate regulator containing a first flow regulating chamber and a second flow regulating chamber, and said first flow regulating chamber and second flow regulating chamber fluidically communicating through a first throttled passage.