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US 8,910,661 B2Granted
Valve sound reducing trim assembly with pressure relief mechanism
AssigneeEmerson Process Management Regulator Technologies, Inc.
InventorsJames L. Griffin, Jr., Matthew W. Hanusa, Thomas L. Weyer, Jr., Daniel G. Roper, Harold J. McKinney
Life of this patent
Estimating the term…
Abstract
A cage for a control valve trim assembly includes a cage body having an opening at one end and a wall extending from the opening, a plurality of cage openings disposed in the wall, and a pressure relief mechanism disposed in the cage wall.
Claims10
A fluid valve comprising:
- a valve body having a fluid inlet and a fluid outlet connected by a fluid passageway;
- a trim assembly disposed within the fluid passageway;
- and
- a fluid control member movably disposed within the fluid passageway, the fluid control member cooperating with the trim assembly to control fluid flow through the fluid passageway;
- wherein the trim assembly includes a cage with a cage wall and a pressure relief mechanism disposed in the cage wall, the pressure relief mechanism comprising a gate.
2 more elements
A cage for a control valve trim assembly, the cage comprising:
- a cage body having an opening at one end and a wall extending from the opening;
- a plurality of openings disposed in the wall;
- and
- a pressure relief mechanism disposed in the cage wall,
- wherein the pressure relief mechanism includes a gate that is pivotably attached to the cage wall.
2 more elements
Dependencies are inferred from the claim text.