×

Axial Resistance Valve Trim Design

  • US 20160223099A1
  • Filed: 02/02/2016
  • Published: 08/04/2016
  • Est. Priority Date: 02/03/2015
  • Status: Active Grant
First Claim
Patent Images

1. A multi-stage control valve, comprising:

  • a valve body;

    a flow control element disposed within the valve body and including;

    a cage having an outer surface and an inner surface at least partially defining a bore which extends therethrough along an axis; and

    a plurality of flow paths, each of the flow paths being at least partially formed in the outer surface to a prescribed length therein and extending in generally parallel relation to the axis of the bore, each of the flow paths further defining a single, dedicated feed opening and a single, dedicated outlet opening which fluidly communicates with the bore;

    a sleeve plug reciprocally movable along the axis in a manner which allows for selective variations in a portion of the cage, and a number of feed openings of the flow paths, covered thereby.

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