Recirculating toilet system
US4050102A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Mar 5, 1976 |
| Grant date | Sep 27, 1977 |
| Priority date | — |
| Expiry date | Mar 5, 1996 |
Classification
- Technology area (CPC E)Fixed Constructions
- CPC primaryE03D5/016
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
Improvements in a recirculating toilet system wherein at least one human waste receiving receptacle, such as a urinal or toilet bowl, is provided coupled to a separating tank having a predetermined amount of a non-aqueous flushing fluid of a lower density and specific gravity than water therein. A flushing fluid intake floats on top of a layer of the flushing fluid in the tank with water and human waste below the layer. A motor-activated pump flushing fluid recirculating means is coupled to both the intake and the receptacle for withdrawing flushing fluid from the layer in the tank and flushing the receptacle. The float has a detector for detecting the presence of a predetermined amount of wastewater in the flushing fluid being withdrawn from the tank for flushing the receptacle and for detecting the level of the flushing fluid in the tank and deactivates the pump of the recirculating means when this predetermined amount of wastewater is detected.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.