Water valve cartridge
US10571034B2 · kind B2 · utility
Assignee
Inventor
Key dates
| Filing date | Nov 14, 2017 |
| Grant date | Feb 25, 2020 |
| Priority date | — |
| Expiry date | Dec 29, 2037 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF16K11/202
- WIPO fieldMechanical elements
- WIPO sectorMechanical engineering
Abstract
A water valve cartridge includes an operation disk which is provided in an assembly space between a cartridge base and a cartridge housing and adjusts degrees of opening and closing of an introduction passage and a discharge passage according to a rotational state so as to adjust an amount of water flow and a water temperature, wherein a cold water introduction hole and a hot water introduction hole which are introduction passages of water supplied from an external source and a plurality of discharge holes which are discharge passages of the introduced water have different rotation radii and are located on the same plane and the operation disk individually opens and closes the cold and hot water introduction holes and the plurality of discharge holes by a separate rotational operation in a state of being stacked in a surface-to-surface manner at a position corresponding to the different rotation radius.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.