公开(公告)号：US20210191433A1

公开(公告)日：2021-06-24

申请号：US17123615

申请日：2020-12-16

Applicant: Samsung Electronics Co., Ltd.

Inventor： Wanhoi KIM ,  Sungho CHO

IPC: G05D16/20 ,  C02F1/00

Abstract: Disclosed is a water purifier having a self-recovery function of a valve. The water purifier includes: a piping part configured to have a flow path between an inlet into which water is introduced and an outlet through which water is dispensed; a plurality of valves configured to be provided in the flow path of the piping part; and a processor configured to control to open at least one of the plurality of valves to perform a water dispensing operation of dispensing water through the outlet and control to open valves other than at least one of the plurality of valves to perform a recovery operation of reducing water pressure applied to the at least one valve.

公开(公告)号：US20230035191A1

公开(公告)日：2023-02-02

申请号：US17966477

申请日：2022-10-14

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Jungha PARK ,  Wanhoi KIM ,  Junggeun LEE ,  Jongho LEE ,  Doyun JANG ,  Yeonwoo CHO

IPC: B01D35/143 ,  B01D65/02 ,  C02F1/00 ,  C02F1/44 ,  B01D35/157

Abstract: A water purifier includes a raw water flow path into which raw water is introduced, a clean water flow path connected to the raw water flow path and having a water discharge nozzle disposed at an end, a filter device disposed in the clean water flow path, and to which a filter is installable to filter the raw water, a drain flow path branched off from the clean water flow path between the filter and the water discharge nozzle and connected to a drain port to drain water in the clean water flow path to outside, a drain valve configured to open or close the drain flow path, and a controller configured to determine a remaining life of the filter on a point in time at which the filter has been replaced and control the drain valve to perform a cleaning operation based on the remaining life of the filter.