Sludge digesters with separate liquid chambers to buoy ballast members
US5423895A · kind A · utility
6Cited by
10References
11Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Aug 23, 1993 |
| Grant date | Jun 13, 1995 |
| Priority date | — |
| Expiry date | Aug 23, 2013 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S210/09
- WIPO fieldMechanical elements
- WIPO sectorMechanical engineering
Abstract
A gas-holding sludge digester is disclosed having a sideskirt which telescopes in a liquid chamber which is separate from a main digester tank and wherein the ballast is structured to increase gas pressure of the gas contained within the cover as the sideskirt telescopes upward.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.