Patent · US Active

UV disinfection system for waste water and drinking water including a cleaning device

US8692209B2 · kind B2 · utility

1Cited by

9References

14Claims

0Family size

Assignee

Xylem IP Holdings, LLC · US

Inventors

Friedhelm Krüger · Lemgo, DE
Hans-Joachim Anton · Bielefeld, DE
Ralf Fiekens · Schloß Holte-Stukenbrock, DE
Ernst Martin Billing · Bielefeld, DE

Key dates

Filing date	Sep 2, 2010
Grant date	Apr 8, 2014
Priority date	—
Expiry date	Oct 19, 2030

Classification

Technology area (CPC C)Chemistry; Metallurgy
CPC primaryC02F2201/324
WIPO fieldEnvironmental technology
WIPO sectorChemistry

Abstract

A UV disinfection system for waste water and drinking water, includes a number of UV radiators arranged in cladding tubes, the cladding tubes being configured essentially symmetrically to a longitudinal axis, as well as a cleaning device for the cladding tubes. The cleaning device includes at least one cleaning ring for each cladding tube, which surrounds the cladding tube, the at least one cleaning ring having a scraper ring resting against the cladding tube, at least one drive for driving the cleaning ring in the direction of the longitudinal axis, and supply provisions for supplying pressurized fluid under elevated pressure from a pressure source to the scraper ring are provided, wherein pressure may be applied onto the scraper ring from the pressure source in the direction of the cladding tube.

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