Invention Grant
- Patent Title: Control line reducing hydraulic control system and control valve therefor
- Patent Title (中): 控制线减少液压控制系统及其控制阀
-
Application No.: US11781523Application Date: 2007-07-23
-
Publication No.: US08757193B2Publication Date: 2014-06-24
- Inventor: Donald P. Lauderdale
- Applicant: Donald P. Lauderdale
- Applicant Address: US TX Houston
- Assignee: Baker Hughes Incorporated
- Current Assignee: Baker Hughes Incorporated
- Current Assignee Address: US TX Houston
- Agency: Cantor Colburn LLP
- Main IPC: G05D7/03
- IPC: G05D7/03

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.
Public/Granted literature
- US20080029163A1 CONTROL LINE REDUCING HYDRAULIC CONTROL SYSTEM AND CONTROL VALVE THEREFOR Public/Granted day:2008-02-07
Information query