Patent ID: 6701822
Filing Date: 2004-03-09
Classification: E02F,F15B

Abstract:
A fluid control system, comprising:a first double-acting actuator; a second double-acting actuator; a first independent metering valve having: an inlet port; a first control port connected to the first double-acting actuator; a second control port connected to the second double-acting actuator; first and second independently operable valves disposed between the inlet port and the first and second control ports; and a first check control mechanism having a main check valve between the inlet port and the first and second independently operable valves, the first check control mechanism controlling the main check valve to allow the first and second actuators to operate in either an independent function mode or a regenerative function mode; and a second independent metering valve having: an inlet port; a first control port connected to the first double-acting actuator; a second control port connected to the second double-acting actuator; first and second independently operable valves disposed between the inlet port and the first and second control ports; and a main check valve disposed between the inlet port and the first and second independently operable valves.