Filter-cleaning device and method, and fluid pulse generator particularly useful therein
US6641646B2 · kind B2 · utility
24Cited by
9References
17Claims
0Family size
Assignees
Inventor
Key dates
| Filing date | Oct 9, 2001 |
| Grant date | Nov 4, 2003 |
| Priority date | — |
| Expiry date | Oct 20, 2021 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB01D29/66
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
A filter-cleaning device and method for cleaning a filter (10) utilizing a compressible fluid pulse generator (20) including a pressure tank (21), a tank inlet (23) for inletting pressurized air or other compressible fluid, and a valve member (24) normally in a closed position closing the tank outlet (28), but being openable in a quick-action manner to produce a high-pressure high-flow impulse of fluid applied via the tank outlet to the filter outlet to back-flush the filter.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.