×

Low noise fluid control valve

  • US 6,766,826 B2
  • Filed: 04/12/2002
  • Issued: 07/27/2004
  • Est. Priority Date: 04/12/2002
  • Status: Active Grant
First Claim
Patent Images

1. A fluid control valve comprising:

  • a valve body having a fluid passageway;

    a cage mounted in said fluid passageway, said cage including a wall defining a cage bore having an axis, said cage defining one or more windows and a valve seat, each of said one or more windows comprising a plurality of slots each having a longitudinal axis, wherein the longitudinal axis of each of said slots is parallel to or tilted at a relatively small angle with respect to a reference plane that is perpendicular to the cage bore axis, said slots being axially spaced apart, wherein said slots in adjacent windows are tilted in opposite directions with respect to said reference plane; and

    a valve plug assembly comprising a valve plug that is axially slidable in the cage bore.

View all claims
  • 1 Assignment
Timeline View
Assignment View
    ×
    ×