Nova Patents
AT340325T

Control valve

Abstract

A globe valve (10 ''), control, comprising a sealing plug (16) aligned movably in a frame (20) to contact a seat (22), the effect of closing the valve, where the frame includes a cage wall, also having said valve area pressure recovery (50) between the plug and the frame, wherein the sealing plug includes a recessed portion, with at least one wall with no openings through said wall, in the recessed portion, said wall substantially parallel to the cage wall, and the area of ​​pressure recovery is substantially defined by the area between the cage wall and the recessed portion, and wherein the cap shutter (16) and housing (20) define a radial clearance, further comprising a sealing clearance flow (52) arranged in the blanking plug, and is movable in the radial clearance with respect to the frame (20), said flow seal gap (52), disposed on the area of ​​pressure recovery (50), characterized in that: the area of ​​pressure recovery (50) comprises a gallery with a lower open end, and allows the downward flow of fluid (14) through the gallery and out the lower end open, and the seat (22) to the outlet valve (44).

Term

No projected expiry on record.

  1. Priority
  2. Filed
  3. Granted
  4. Today

14 members in 9 offices

This recordMember, by publication datePriority claim

Priority claims1

Priority claims
DocumentOfficeKindDate
16332702United States of AmericaA

Members14

Family members, oldest first
DocumentOfficeKind
US2003226600A1United States of AmericaA1
CA2488157A1CanadaA1
WO03104698A1World Intellectual Property Organization (WIPO)A1
AU2003220632A1AustraliaA1
US6807985B2United States of AmericaB2
EP1509717A1European Patent Office (EPO)A1
JP2005528569AJapanA
EP1509717B1European Patent Office (EPO)B1
AT340325TThis recordAustriaT
ATE340325T1AustriaT1
DE60308517D1GermanyD1
ES2271558T3SpainT3
DE60308517T2GermanyT2
CA2488157CCanadaC