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公开(公告)号：US10905986B2
公开(公告)日：2021-02-02
申请号：US15745384
申请日：2016-07-05
Applicant: COWAY CO., LTD.
Inventor： Sun-Hyeok Park , Jung-Hwan Lee , Jong-Hwan Lee , Woo-Jin Joo , Hyun-Soo Shin , Kyung-Heon Lee , Byoung-Hoon Lim , Sung-Kon Cho
IPC: B01D35/00 , B01D35/157 , B01D35/16 , B01D61/02 , B01D61/04 , B01D61/10 , B01D65/02 , C02F1/28 , C02F1/44 , C02F1/00
Abstract: A water treatment apparatus is provided. The water treatment apparatus includes a filtering unit including a water filter filtering raw water, a sterilizing water generator producing sterilizing water from purified water filtered by at least a portion of the filtering unit, and a discharge member through which the purified water, filtered by the filtering unit, is discharged externally. The sterilizing water produced in the sterilizing water generator sterilizes the discharge member and at least a portion of a flow path connected to the discharge member.
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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
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.
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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
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.
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公开(公告)号：US11266953B2
公开(公告)日：2022-03-08
申请号：US16754969
申请日：2018-10-11
Applicant: COWAY CO., LTD. , TORAY ADVANCED MATERIALS KOREA INC.
Inventor： Sung-Kon Cho , Sung-Han Yun , Hae-Sun Lee , Sun-Yong Lee , Sang-Hyeon Kang , Doo-Won Han , In-Tak Lee , Gi-Lyang Kim , Dong-Gyu Kim , Kang-Jin Kim , Jong-Kwan Kim , Jae-Hoon Moon , Hee-Kyung Lee
Abstract: A reverse osmosis filtering module includes: a purified water discharge pipe in which a purified water discharge path is formed, and which has a communication hole that is formed on an outer periphery thereof and communicates with the purified water discharge path; a reverse osmosis filtering part including a reverse osmosis filtering member in which a purified water flow space is formed, and which is wound around the purified water discharge pipe such that the purified water flow space communicates with the communication hole; a first flow channel formation cap provided at one side and having an inlet hole; and a second flow channel formation cap provided at the other side of the reverse osmosis filtering part and having an outlet hole.
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