Patent ID: 6354185
Filing Date: 2002-03-12
Classification: F15B

Abstract:
A fluid control module operable to control fluid flow between a rail line, a drain line, a first cylinder line and a second cylinder line, said control module comprising:a housing having a plurality of ports adapted to be coupled to the rail line, the drain line, the first cylinder line and the second cylinder line; a first fluid-driven valve located within said housing and adapted to control a flow of fluid between the drain line and the first cylinder line; a second fluid-driven valve located within said housing and adapted to control a flow of fluid between the rail line and the first cylinder line; a third fluid-driven valve located within said housing and adapted to control a flow of fluid between the rail line and the second cylinder line; a fourth fluid-driven valve located within said housing and adapted to control a flow of fluid between the drain line and said second cylinder line; a first control valve operable to control said first fluid-driven valve; a second control valve operable to control said second fluid-driven valve; a third control valve operable to control said third fluid-driven valve; a fourth control valve operable to control said fourth fluid-driven valve; a controller that is connected to said first, second, third and fourth control valves; and a plurality of position sensors coupled to said first, second, third and fourth fluid-driven valves and said controller.