Toilet inlet valve and control method thereof
US9422699B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Nov 7, 2011 |
| Grant date | Aug 23, 2016 |
| Priority date | — |
| Expiry date | Nov 13, 2032 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T137/7442
- WIPO fieldMechanical elements
- WIPO sectorMechanical engineering
Abstract
A toilet inlet valve and control method thereof, the inlet valve comprises a valve body, an inlet pipe, a water stop device with a water stop rubber gasket, a float bowl device, a raising rod device and an outlet pipe, wherein, the water stop device also comprises a water stop seat, a tray, a needle valve and a back pressure cavity; the water stop seat is located at the front end of the outlet pipe, and of which the opening is coupling with the end face of the water stop rubber gasket; the tray is connected to the water stop rubber gasket, and is located at the side of the water stop seat that is opposite to the water stop rubber gasket; the needle valve is fixed to the tray, and is located at the side of the water stop rubber gasket that is opposite to the tray.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.