Rotary sweep arm for self-cleaning filter apparatus
US4036613A · kind A · utility
11Cited by
6References
9Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Aug 25, 1976 |
| Grant date | Jul 19, 1977 |
| Priority date | — |
| Expiry date | Aug 25, 1996 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB01D2273/28
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
A rotary sweep arm for a self-cleaning filter apparatus in which the nozzle of the sweep arm is provided with a plurality of radially spaced vanes adjustable for equalizing the vacuum along the radial extent of the sweep arm.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.