Anti-siphonic toilet
US9752311B2 · kind B2 · utility
4Cited by
1References
21Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Mar 12, 2014 |
| Grant date | Sep 5, 2017 |
| Priority date | — |
| Expiry date | Aug 8, 2034 |
Classification
- Technology area (CPC E)Fixed Constructions
- CPC primaryE03D11/02
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
A wash-down toilet including a bowl, a passageway, and a trapway. The bowl includes a sump. The passageway includes an inlet in fluid communication with the sump, an outlet provided at a height above the inlet, and a weir. The trapway includes an inlet, an outlet, and a vent, with the inlet of the trapway being in fluid communication with the outlet of the passageway and the outlet being in fluid communication with a soil pipe. The vent is configured to introduce a supply of air into the trapway during a flush cycle to prevent siphoning.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.