Patent · US Expired

Filtering device, in particular for fish basins

US7662279B2 · kind B2 · utility

0Cited by
6References
12Claims
0Family size

Inventor

Key dates

Filing dateJan 18, 2006
Grant dateFeb 16, 2010
Priority date
Expiry dateJan 18, 2026

Classification

  • Technology area (CPC B)Performing Operations; Transporting
  • CPC primaryB01D29/605
  • WIPO fieldChemical engineering
  • WIPO sectorChemistry

Abstract

A filtering device, in particular for fish basins, having a housing (10) encompassing a filter chamber (20) and a filter drum (30), which is rotatably disposed in the filter chamber (20) and is loadable with water to be purified, about which a filter belt (40) is guided along part of its circumference from a dispensing roller (42) to a receiving roller (41) that is driven by a paddle wheel (5) disposed outside the filter chamber (20). The paddles (51) of the filter wheel are activated by unpurified water in such a way that the filter belt (40) is wound from the dispensing roller (42) onto the receiving roller (41).

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