Siphon flush valve
US4024589A · kind A · utility
5Cited by
5References
8Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Dec 22, 1975 |
| Grant date | May 24, 1977 |
| Priority date | — |
| Expiry date | Dec 22, 1995 |
Classification
- Technology area (CPC E)Fixed Constructions
- CPC primaryE03D1/141
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
A flush valve of the siphon type with a supply jet feeding into the upleg is provided with a flap-float valve that is responsive to water level and serves to divert the supply flow to refill the tank after completion of a flushing action. In the preferred embodiment, the float of the flap-float valve is disposed in a chamber which insures that it will operate only after full completion of the flushing action, slide means are provided on the chamber for adjusting the amount of water used, there is an overflow chamber built onto the downleg to provide the usual water seal, and the valve includes means to provide a rim wash.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.