Water purifier and method for controlling water purifier
US12221359B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jun 6, 2022 |
| Grant date | Feb 11, 2025 |
| Priority date | — |
| Expiry date | Aug 24, 2043 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC02F2307/06
- WIPO fieldEnvironmental technology
- WIPO sectorChemistry
Abstract
A water purifier including a raw water flow path, a first valve provided in a water purification path, a second valve provided in a wash water flow path, a purified water valve provided in a purified water supply tube, a flow sensor provided in a cooking water supply tube and sensing a flow amount of liquid flowing in the cooking water supply tube, a drainage valve provided in a drainage flow path branched from the cooking water supply tube and a controller for draining the liquid remaining in the cooking water supply tube, when a flow amount value sensed by the flow sensor for a preset period of time is less than or equal to a certain value, by controlling opening/closing of the purified water valve, the first valve, the second valve, and the drainage valve.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.