Sewage lift station
US5543064A · kind A · utility
Assignee
Inventor
Key dates
| Filing date | Sep 7, 1994 |
| Grant date | Aug 6, 1996 |
| Priority date | — |
| Expiry date | Sep 7, 2014 |
Classification
- Technology area (CPC E)Fixed Constructions
- CPC primaryE03F5/16
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
A method and apparatus for separating grease from solids and water in a sewage lift station, and separately transferring said grease, and said solids and water, from said station to remote higher destinations, comprising conveying grease from a first chamber to an adjacent second chamber at a first given level, and pumping solids and water from the first chamber from below the first given level to a third chamber; conveying water from the second chamber to the third chamber at a second given level no higher than the first given level, and pumping grease from the second chamber at the second given level to a first, remote, higher destination; and pumping water and solids from the third chamber at below the second given level to a second, remote, higher destination.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.