Patent · US Expired

Purification apparatus

US4267455A · kind A · utility

21Cited by
3References
6Claims
0Family size

Assignee

Inventor

Key dates

Filing dateNov 21, 1979
Grant dateMay 12, 1981
Priority date
Expiry dateNov 21, 1999

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC02F2201/328
  • WIPO fieldMedical technology
  • WIPO sectorInstruments

Abstract

The purification apparatus includes UV-tubes and secures a continuous and uniform disinfection or purification, respectively, of a flowing medium such as water, independent which portion of the space containing the UV-tubes is flowed through by such medium. The purification apparatus comprises a cylindrical pressure vessel with two chambers arranged on top of each other and separated from each other by a partition wall. The lower chamber comprises an inlet opening for the medium which is to be purified. The cylindrical upper chamber communicates with the lower chamber by inlet parts for the medium arranged on the partition wall and arranged groupwise along various concentric circles, each having a different radius. Inside of the vessel there is arranged an outlet tube, the upper portion of which is located in the upper chamber and comprises an inflow aperture at its upper end and the lower portion of which penetrates the partition wall and lower chamber and comprises at its lower end the discharge opening of the vessel. In each inlet part of the partition wall a UV-tube is supported at its lower end by the agency of guide vanes which produce a circulation of the incoming medium aro…

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