Apparatus for controlling fine particle flow
US4875810A · kind A · utility
14Cited by
6References
12Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Mar 20, 1989 |
| Grant date | Oct 24, 1989 |
| Priority date | — |
| Expiry date | Mar 20, 2009 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB01J8/0015
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
An apparatus for controlling a flow of fine particles including a convergent-devergent nozzle in the flow path of the fine particles, and a controller for controlling the discharge of gas from a downstream chamber to maintain the pressures at the nozzle outlet and in the downstream chamber approximately equal to each other.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.