Flush water supply system for toilet stool
US5109550A · kind A · utility
11Cited by
6References
25Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jun 10, 1991 |
| Grant date | May 5, 1992 |
| Priority date | — |
| Expiry date | Jun 10, 2011 |
Classification
- Technology area (CPC E)Fixed Constructions
- CPC primaryE03D2201/30
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
A flush water supply system comprising a passageway valve mounted in a pipeline for supplying flush water to a toilet stool, and a control circuit for controlling the closing and opening of the passageway valve. A constant flow valve is mounted in the pipeline for keeping a predetermined amount of discharge flow, irrespective of water supply pressure.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.