Filtering and dust collecting apparatus
US4759781A · kind A · utility
Inventor
Key dates
| Filing date | Mar 9, 1987 |
| Grant date | Jul 26, 1988 |
| Priority date | — |
| Expiry date | Mar 9, 2007 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T137/87981
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
A dust collecting and filtering apparatus in connection with a particulate material processing apparatus to clean the dust laden air discharged by the grinding process of the apparatus consisting of a plurality of dust collectors in an independent operating arrangement, each collector having a tubular filter bag and having an inlet valve at the upper end thereof and having a discharge chamber having steeply sloped walls at the lower end of each filter bag and having an exhaust valve at the bottom thereof, an automatic timing arrangement operating the inlet and exhaust valves sequentially and a suction line in communication with said exhaust valves evacuating the dust collected in each dust collector.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.