Vented filter cartridge integrated into the upper flange and filtration
US11890556B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Dec 10, 2021 |
| Grant date | Feb 6, 2024 |
| Priority date | — |
| Expiry date | Dec 10, 2041 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB01D2201/347
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
A filter cartridge (1) comprising a filter medium (2) of cylindrical shape defining a central axis (3), a first flange (4), said first flange (4) being a flange plate which comprises a central opening (5) defining a fluid outlet, a first face (4a) and a second face (4b) opposite the first face (4a), said face (2) being fixed to the second face (4b) of the first flange (4), and a filtering medium (6) extending from said first face (4a) along the central axis and projecting outwardly from said central opening (5), said cylindrical extension (6) having an outer face (6a) and an inner face (6b); characterized in that said cylindrical extension (6) is traversed by at least one vent (7), and in that a first joint element (8) is provided at a first position of the cylindrical extension (6) and a second sealing element (9) is provided on a second position of the cylindrical extension (6), the first joint element (8) being axially offset from the second joint member (9) with respect to the central axis so that said at least one at least one vent (7) is positioned between the first seal member (8) and the second seal member (9) with respect to the central axis (3). Filtration system incorpor…
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.