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US 9,518,662 B2Granted
Control valve trim cage having a plurality of anti-cavitation or noise abatement bars
AssigneeFisher Controls International LLC
InventorAaron C. Doran
Life of this patent
Estimating the term…
Abstract
A cage for a control valve trim assembly includes a cage wall, a first plate attached to the cage wall, a second plate spaced apart from the cage wall, and a first plurality of rods longitudinally disposed between the first plate and the second plate. Fluid flowing through the cage is characterized by the first plurality of rods.
Claims17
A control valve comprising:
- a valve body having a fluid inlet and a fluid outlet connected by a fluid passageway;
- a valve seat disposed within the fluid passageway;
- a cage disposed within the fluid passageway, the cage including a cage wall, a first plate connected to the cage wall and a second plate spaced apart from the cage wall, and a first plurality of rods longitudinally disposed between the first plate and the second plate;
- a flow control member movably disposed within the cage, the flow control member reciprocating within the cage and cooperating with the valve seat to control fluid flow through the fluid passageway;
- and
- a third plate disposed between the first plate and the second plate,
- wherein rods in the first plurality of rods are spaced laterally differently between the second plate and the third plate than between the first plate and the third plate;
- and
- wherein each rod in the plurality of rods has a circular cross-section.
6 more elements
A cage for a control valve trim assembly, the cage comprising:
- a cage wall;
- a first plate attached to the cage wall;
- a second plate spaced apart from the cage wall;
- a third plate disposed between the first plate and the second plate;
- and
- a first plurality of rods longitudinally disposed between the first plate and the second plate,
- wherein rods in the first plurality of rods are spaced laterally differently between the second plate and the third plate than between the first plate and the third plate;
- and
- wherein each rod in the first plurality of rods has a circular cross-section.
6 more elements
Dependencies are inferred from the claim text.