Patent · US Expired

Double-walled chamber for ultraviolet radiation treatment of liquids

US7691343B2 · kind B2 · utility

12Cited by
6References
20Claims
0Family size

Assignee

Inventor

Key dates

Filing dateMay 9, 2003
Grant dateApr 6, 2010
Priority date
Expiry dateApr 5, 2024

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC02F2301/02
  • WIPO fieldMedical technology
  • WIPO sectorInstruments

Abstract

The object of the invention is a double-walled chamber for the UV disinfection of liquids, preferably drinking water and/or waste water. It realizes a rectangular and/or square cross-sectional shape of the UV radiation chamber even at higher pressures, whereby the radiation chamber can moreover be provided with a thin-walled configuration and allows an optimal and close arrangement of UV radiators as compared with a round chamber. By applying the inventive idea, the known dead zones at the entrance are completely eliminated and an entrance turbulence is produced which runs simultaneously with the piston flow in the chamber.

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