Patent · US Active

Choke valve device

US8770228B2 · kind B2 · utility

4Cited by
14References
20Claims
0Family size

Assignee

Inventor

Key dates

Filing dateAug 14, 2006
Grant dateJul 8, 2014
Priority date
Expiry dateAug 5, 2028

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10T137/2115
  • WIPO fieldChemical engineering
  • WIPO sectorChemistry

Abstract

An arrangement for a control valve for controlling pressure and flow rate of a fluid, the fluid flowing via an inlet into the control valve being brought to rotate about a main flow axis before the fluid, at least with reduced pressure or speed energy, flows via an outlet opening from the control valve and where at least one inlet port communicating with the inlet being provided tangentially in relation to an inlet portion of the speed reduction chamber located in the control valve, and where the speed reduction chamber, provided substantially concentric with the main flow axis, is divergent over at least the first portion of the main flow direction.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.