Patent · US Active

In-line UV-germicidal device for fluid media

US9073768B2 · kind B2 · utility

0Cited by

4References

14Claims

0Family size

Assignee

Xylem IP Holdings, LLC · US

Inventors

Rolf Sief · Bielefeld, DE
Friedhelm Krüger · Lemgo, DE

Key dates

Filing date	Mar 6, 2008
Grant date	Jul 7, 2015
Priority date	—
Expiry date	Sep 10, 2030

Classification

Technology area (CPC C)Chemistry; Metallurgy
CPC primaryC02F2201/328
WIPO fieldEnvironmental technology
WIPO sectorChemistry

Abstract

The invention relates to a device for the sterilization of ballast water on ships by means of UV radiation, with a pump line by means of which ballast water can be taken up and discharged, wherein the pump line is passed through by a number of UV-transparent sheath pipes arranged one behind another in the direction of the pump line and in which UV radiators are arranged for the emission of UV radiation into the pump line and sheath pipes arranged one behind another in the circumferential direction of the pump line are offset by an angle α in relation to one another.

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