Concentrically-arranged flexible media and support basket with second stage cartridge filter
US6585892B2 · kind B2 · utility
Inventor
Key dates
| Filing date | Oct 8, 2002 |
| Grant date | Jul 1, 2003 |
| 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 concentric arrangement of bag-type filter sleeves 11, 12 of a filter insert are removably supported within a concentric arrangement of screens 60, 61 of an annularly-shaped basket 10a. The screens respectively support the filter sleeves against radial flow during filtration. A filter cartridge 37 is carried interiorly of the innermost filter sleeve and is configured to filter the liquid that has first been filtered in the filter insert and before the liquid can exit the filter vessel 30.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.