Method and apparatus for continuous pumping of compressible solids against high pressures
US4415336A · kind A · utility
19Cited by
7References
3Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jun 11, 1981 |
| Grant date | Nov 15, 1983 |
| Priority date | — |
| Expiry date | Jun 11, 2001 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02E50/30
- WIPO fieldMachine tools
- WIPO sectorMechanical engineering
Abstract
A method and apparatus is disclosed for feeding solid materials against high pressures wherein a compressible solid is continuously conveyed through a screw extruder having a design compression ratio of from about 50 to about 100 percent of the compression ratio of the solid material being conveyed.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.