Particulate collection and dewatering means for airborne particulate matter
US4946478A · kind A · utility
11Cited by
8References
14Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | May 15, 1989 |
| Grant date | Aug 7, 1990 |
| Priority date | — |
| Expiry date | May 15, 2009 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB09B3/30
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
An apparatus and process for the collection of airborne particulate matter in combination with a fluid, the airborne particulate matter and fluid being collected in a collection chamber under negative pressure, the collection chamber having a disposal bag complimentary secured within the chamber, the disposal bag having a fluid porous bottom, the collection chamber having a drain valve disposed at its lower most point, the disposal bag and collection chamber being subjected to either positive pressure or a vacuum at the drain valve to remove fluid from the collected particulate matter prior to disposal of the particulate matter.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.