Venting device for a disc filter
US8118175B2 · kind B2 · utility
23Cited by
47References
35Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jul 15, 2008 |
| Grant date | Feb 21, 2012 |
| Priority date | — |
| Expiry date | Feb 22, 2030 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB01D2201/127
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
A filter device having a vent device for inhibiting formation of a vacuum in the filter device. The filter device includes a drum for receiving the liquid wherein the drum includes a drum headspace. The filter device also includes filter sets for filtering the liquid. The drum is rotated to enable cleaning of filter media. The filter device also includes a frame having spaced apart supports for supporting each of the filter sets. A fluid passageway extends between the supports, wherein the fluid passageway provides fluid communication between the tank headspace and a filter set to vent a filter set.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.