Filter cover protection against external contamination
US11638889B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Sep 25, 2019 |
| Grant date | May 2, 2023 |
| Priority date | — |
| Expiry date | Mar 3, 2042 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB01D2201/307
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
A fluid filter arrangement, with protection against external contamination, the filter arrangement comprising: a fluid circulating system; a filter cartridge having an exterior surface; a housing having an internal fluid chamber surrounding the exterior surface of the filter cartridge, an open end through which the filter cartridge can pass along a housing axis; and a cover sealed over the open end of the housing in a closed position, the cover in an open position exposing the open end of the housing, the cover including a fluid passage in communication with the internal fluid chamber in the closed position, the cover fluid passage being in communication with the fluid circulating system in the closed position and in the open position.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.