Liquid filtering in concentric filter sleeve assembly
US6706198B2 · kind B2 · utility
11Cited by
42References
9Claims
0Family size
Inventor
Key dates
| Filing date | Oct 8, 2002 |
| Grant date | Mar 16, 2004 |
| Priority date | — |
| Expiry date | Oct 8, 2022 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB01D2201/34
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
A method for filtering liquid includes directing the feed liquid into an annular space between concentrically arranged filter sleeves formed of flexible bag filter type filtration media. The liquid enters the annular space via openings formed in an inlet plate attached to the sleeves. The central area of the inlet plate is closed to prevent flow of unfiltered liquid into the cylindrical space defined by the innermost filter sleeve, whereby all liquid entering the filter assembly is filtered by the sleeves.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.