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Apparatus to increase fluid flow in a valve

  • US 20090026395A1
  • Filed: 07/25/2007
  • Published: 01/29/2009
  • Est. Priority Date: 07/25/2007
  • Status: Abandoned Application
First Claim
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1. Apparatus to increase fluid flow in a valve, comprising:

  • a valve body having a fluid passageway;

    a valve cage located in said passageway and comprising a wall having an inner surface and an outer surface, the inner surface defining a cage bore having an axis, the wall having at least one flow zone comprising a plurality of through openings each extending between the inner and outer surfaces to define an opening axis extending through the wall, each opening axis disposed at a non-orthogonal angle with respect to a reference plane disposed orthogonal to the axis of the cage bore, and each through opening spaced-apart from an adjacent through opening; and

    a valve plug axially slidable in the cage bore.

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