Water filtration device with sequential backwash and method of its operation
US12077453B2 · kind B2 · utility
0Cited by
11References
20Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Dec 22, 2020 |
| Grant date | Sep 3, 2024 |
| Priority date | — |
| Expiry date | Dec 22, 2040 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC02F2303/16
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
Disclosed is a water filtration device which includes various hoses for connection between different parts of the filtration device and a rotatable cam system which, during backwash cycles, is rotated so as to clamp various the hoses in predetermined sequences for thereby controlling the direction of the flow of water through the tubing system. Electrical pinch valves are use alternatively to a cam shaft.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.