Invention Grant
US08757193B2 Control line reducing hydraulic control system and control valve therefor 有权
控制线减少液压控制系统及其控制阀

Control line reducing hydraulic control system and control valve therefor
Abstract:
A control valve includes a housing, an inlet port at the housing, a device port at the housing, a valve port at the housing, and a spool disposed at the housing, the spool initially connecting the inlet port to the device port and subsequently to a pressure event connecting the inlet port to the valve port. An actuation system includes a plurality of control valves, each valve being addressable and conditionable to communicate with one of a device and another control valve, and a plurality of devices each in operable communication with one of the plurality of control valves.
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