Filter device with spirally flushing function
US11241641B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Dec 16, 2019 |
| Grant date | Feb 8, 2022 |
| Priority date | — |
| Expiry date | Apr 16, 2040 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB01D2201/304
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
A filter device with a spirally flushing function with a head having a filter flask main body and a water inlet hole connected with a water inlet passage, a water outlet hole connected with a water outlet passage, and a flushing hole connected with a flushing passage. A filter element casing arranged outside the filter element, and has a plurality of filter element casing water inlets. A flow divider arranged outside the filter element casing and covering a portion of an upper end of the filter element casing. A filter element end cap fixed to the top of the filter element and having a water outlet, which penetrates through the flow divider and is connected with the water outlet passage. Effectively improved flushing effect, and greatly prolonged service life of the filter element is experienced.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.