Flushing system for a water closet
US5187818A · kind A · utility
Inventors
Key dates
| Filing date | May 14, 1991 |
| Grant date | Feb 23, 1993 |
| Priority date | — |
| Expiry date | May 14, 2011 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S4/03
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
An apparatus and method for an improved flushing system for flushing a water closet from a pressurized water line includes sensor which senses an arrival and a departure of a person within a zone proximate the water closet. A controller is connected to the sensor for determining the existence of a low water volume flush condition and the existence of a high water volume flush condition. The low water volume flush condition exists when the sensor senses an elapsed time between the arrival and the departure of less than a preselected time interval. The high water volume flush condition exists when the sensor senses an elapsed time greater than the preselected time interval.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.