Apparatus for cleaning a filter cloth in a filtering device
US6596166B1 · kind B1 · utility
Assignee
Inventors
Key dates
| Filing date | Sep 24, 2001 |
| Grant date | Jul 22, 2003 |
| Priority date | — |
| Expiry date | Sep 24, 2021 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB01D33/801
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
Apparatus for cleaning a filter cloth in a filtering device with a rotatable drum having an inlet for the liquid to be filtered. The drum has in its circumferential surface openings through which the liquid to be filtered is conducted in a filtering direction out of the drum for filtering through a filter cloth. The cleaning apparatus includes at least one spray nozzle which is adapted to spray cleaning liquid onto a portion of the filter cloth in a direction opposite to the filtering direction. Moreover the apparatus comprises a driving device for providing a reciprocating motion of the spray nozzle. The driving device has a coupling which is adapted to transform the rotary motion of the drum into the reciprocating motion of the spray nozzle, with such a ratio that the rotary motion of the drum and the reciprocating motion of the spray nozzle are out of phase with each other.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.