Flush toilet with improved flow pattern
US8176577B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jan 4, 2011 |
| Grant date | May 15, 2012 |
| Priority date | — |
| Expiry date | Jan 4, 2031 |
Classification
- Technology area (CPC E)Fixed Constructions
- CPC primaryE03D5/012
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
A flush toilet includes a bowl assembly defining a bowl. The bowl assembly has a discharge outlet at a lower end and a ledge circumferentially extending about a substantial portion of the bowl. The bowl has a rear surface that is generally flat and vertical. The rear surface transitions to the ledge as the bowl continues clockwise and counter clockwise from the rear surface. A horizontal dimension of the ledge increases as the ledge continues from the rear surface to a front of the bowl. An angle of the ledge increases as the ledge continues from the rear surface to the front. A maximum slope of the ledge is located proximate the front. A nozzle is mounted to the bowl assembly for pressurizing a source of flush water and delivering the source of flush water to the bowl for rinsing and flushing of the bowl. The nozzle is positioned at a rear portion of the bowl and produces a first flow of water in a first circumferential direction about the bowl and a second flow of water in a second circumferential direction about the bowl. The second circumferential direction is opposite to the first circumferential direction. The ledge cascades the first and second flows of flush water down the …
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.