Is a
Patent attributes
Patent Applicant
Current Assignee
Patent Jurisdiction
Patent Number
Patent Inventor Names
Edmund McHugh0
Date of Patent
February 14, 2017
Patent Application Number
14176558
Date Filed
February 10, 2014
Patent Citations Received
Patent Primary Examiner
Patent abstract
Various control valves are provided. In one embodiment, a valve includes a hollow body with an inlet and an outlet along a common axis of the hollow body. A trim is disposed inside the hollow body along the common axis and includes a conduit and a sleeve disposed about the conduit to selectively cover fluid ports in the conduit. Further, the valve includes a pressure-balanced stem connected to the sleeve to enable the sleeve to be moved along the conduit via the stem. Additional systems, devices, and methods are also disclosed.
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