公开(公告)号：US11794146B2

公开(公告)日：2023-10-24

申请号：US17532591

申请日：2021-11-22

Applicant: COWAY CO., LTD.

Inventor： Hyoung-Min Moon ,  Dae-Jung Jeong ,  Byoung-Phil Lee ,  Sung-Kon Cho ,  Sang-Hyeon Kang ,  Sung-Han Yun ,  Ju-Hyuk Eom ,  Dae-Sik Kang ,  Jung-Hun Lee

IPC: C02F1/44 ,  C02F1/00 ,  B01D61/12 ,  B01D61/08 ,  B01D61/10 ,  B01D61/02 ,  B01D37/04 ,  B01D65/02

CPC classification number: B01D61/12 ,  B01D37/043 ,  B01D61/02 ,  B01D61/025 ,  B01D61/08 ,  B01D61/10 ,  B01D65/02 ,  C02F1/00 ,  C02F1/008 ,  C02F1/441 ,  B01D2313/18 ,  B01D2313/243 ,  B01D2313/90 ,  B01D2315/00 ,  B01D2321/02 ,  B01D2321/04 ,  C02F2209/40

Abstract: Provided is a water purifier comprising: a filter unit filtering water supplied from a water source, including a reverse osmosis filter; a discharge unit discharging water filtered by the filter unit externally; a flushing portion connected to the reverse osmosis filter; and a controller configured to flow water filtered by the reverse osmosis filter to the flushing portion, and to flush the reverse osmosis filter.

公开(公告)号：US11285441B2

公开(公告)日：2022-03-29

申请号：US16084116

申请日：2017-03-07

Applicant: COWAY CO., LTD.

Inventor： Hyoung-Min Moon ,  Dae-Jung Jeong ,  Byoung-Phil Lee ,  Sung-Kon Cho ,  Sang-Hyeon Kang ,  Sung-Han Yun ,  Ju-Hyuk Eom ,  Dae-Sik Kang ,  Jung-Hun Lee

IPC: B01D61/12 ,  B01D61/02 ,  B01D65/02 ,  C02F1/00 ,  C02F1/44 ,  B01D61/08 ,  B01D61/10 ,  B01D37/04

Abstract: According to one embodiment of the present invention, a control method for a water purifier comprises the steps of: filtering inflowing water so as to generate purified water; extracting the generated purified water; measuring the flow rate of the purified water extracted per unit time; flushing a filter part by using purified water generated in the filter part, when the extraction of the purified water is complete; and draining the flushed water to the outside through a residential water outlet of the filter part, wherein, in the purified water generation step, discharging of residential water generated in the purified water generation step is blocked according to the accumulated flow rate during a one-time extraction of the purified water, calculated on the basis of the flow rate of the purified water.

公开(公告)号：US10946337B2

公开(公告)日：2021-03-16

申请号：US15541202

申请日：2015-12-29

Applicant: COWAY CO., LTD.

Inventor： Jong-Hwan Lee ,  Jung-Hwan Lee ,  Hyun-Soo Shin ,  Tae-Seong Kwon ,  Hyoung-Min Moon ,  Jung-Hun Lee ,  In-Du Choi ,  Sang-Hyeon Kang

IPC: B01D61/02 ,  B01D61/08 ,  B01D61/12 ,  B01D61/10 ,  B01D65/02 ,  C02F103/02 ,  E03C1/02 ,  C02F5/10 ,  C02F1/44

Abstract: Disclosed is a water treatment apparatus which can extract clean water by means of the pressure of raw water. The disclosed water treatment apparatus comprises: a filter part which filters raw water; a storage part which stores clean water filtered by passing through at least a part of the filter part, the storage part having a first chamber and a second chamber of which the volume changes according to a change in the volume of the first chamber; an extraction part which is installed so as to provide the filtered clean water to a user; and an air supply part which is installed on a flow path connected to the storage part in order to supply air to either one of the first chamber or the second chamber of the storage part.