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公开(公告)号：US20190329168A1
公开(公告)日：2019-10-31
申请号：US16468529
申请日：2017-11-29
Applicant: COWAY CO., LTD.
Inventor： Dae-Sik KANG , Byoung-Phil LEE , Hyoung-Min MOON , Sang-Hyeon KANG , Dong-Hun LEE
Abstract: A water purifier according to an embodiment of the present invention comprises: a filtering unit for producing purified water by filtering influent water; a TDS measuring unit for measuring the total dissolved solids (TDS) in the water flowing into the filtering unit; a purified water passage through which the purified water is discharged; a concentrated water passage through which concentrated water, filtered by the filtering unit, is discharged; a concentrated water flow control valve for controlling the flow rate of the concentrated water discharged through the concentrated water passage; and a control unit for adjusting the degree of opening and closing of the concentrated water control valve, on the basis of the TDS and the pressure of the water flowing into the filtering unit.
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公开(公告)号：US20220184537A1
公开(公告)日：2022-06-16
申请号：US17684866
申请日：2022-03-02
Applicant: COWAY CO., LTD.
Inventor： Dae-Sik KANG , Byoung-Phil LEE , Hyoung-Min MOON , Sang-Hyeon KANG , Dong-Hun LEE
Abstract: Provided is a water purifier that includes a filtering unit for producing purified water by filtering influent water; a TDS measuring unit for measuring the total dissolved solids (TDS) in the water flowing into the filtering unit; a purified water passage through which the purified water is discharged; a concentrated water passage through which concentrated water, filtered by the filtering unit, is discharged; a concentrated water flow control valve for controlling the flow rate of the concentrated water discharged through the concentrated water passage; and a control unit for adjusting the degree of opening and closing of the concentrated water control valve, on the basis of the TDS and the pressure of the water flowing into the filtering unit.
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Patent Agency Ranking
公开(公告)号：US20210268440A1
公开(公告)日：2021-09-02
申请号：US17259028
申请日：2019-07-10
Applicant: WOONGJIN COWAY Co., Ltd.
Inventor： Hyoung-Min MOON , Chul-Ho KIM , Hyun-Seok MOON , Hyun-Soo SHIN , Byung-Sun MO , Byoung-Phil LEE , Min-Chul YONG , Jae-Man KIM , Sung-Kon CHO
Abstract: A direct water purifier comprises: a first filter for filtering water flowing in through a first flow path; a second filter receiving, through a second flow path, and filtering the water filtered by the first filter; a first valve, provided on the second flow path; a pump, provided on the second flow path, for supplying, to the second filter, water at a water pressure equal to or greater than a preset water pressure; a third filter receiving, through a third flow path, and filtering the water filtered by the second filter; a second valve, provided on the third flow path, for decreasing a pressure in the flow path; a third valve, provided at a rear end of the second valve, for preventing a backflow of the water; and a heating unit receiving the water filtered by the third filter and heating the water to a preset temperature.
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公开(公告)号：US20240010526A1
公开(公告)日：2024-01-11
申请号：US18471665
申请日：2023-09-21
Applicant: WOONGJIN COWAY Co., Ltd.
Inventor： Hyoung-Min MOON , Chul-Ho KIM , Hyun-Seok MOON , Hyun-Soo SHIN , Byung-Sun MO , Byoung-Phil LEE
CPC classification number: C02F1/441 , B01D35/18 , B01D35/147
Abstract: A direct water purifier includes a first filter for filtering water introduced through a first flow path; a second filter for receiving the water supplied from the first filter through a second flow path and filtering the same; a first valve disposed in the second flow path to control water flow; a pump disposed in the second flow path to supply water having a predetermined hydraulic pressure or higher to the second filter; a third filter for receiving the water supplied from the second filter through a third flow path and filtering the same; a heating part for receiving the water supplied from the third filter and heating the same to a predetermined temperature; and a flushing valve disposed in a flushing flow path through which concentrated water is discharged from the second filter, wherein the flushing valve is opened during operation of the heating part.
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公开(公告)号：US20210163318A1
公开(公告)日：2021-06-03
申请号：US17252152
申请日：2019-06-14
Applicant: WOONGJIN COWAY Co., Ltd.
Inventor： Hyoung-Min MOON , Chul-Ho KIM , Hyun-Seok MOON , Hyun-Soo SHIN , Byung-Sun MO , Byoung-Phil LEE
Abstract: A direct water purifier includes a first filter for filtering water introduced through a first flow path; a second filter for receiving the water supplied from the first filter through a second flow path and filtering the same; a first valve disposed in the second flow path to control water flow; a pump disposed in the second flow path to supply water having a predetermined hydraulic pressure or higher to the second filter; a third filter for receiving the water supplied from the second filter through a third flow path and filtering the same; a heating part for receiving the water supplied from the third filter and heating the same to a predetermined temperature; and a flushing valve disposed in a flushing flow path through which concentrated water is discharged from the second filter, wherein the flushing valve is opened during operation of the heating part.
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公开(公告)号：US20220080356A1
公开(公告)日：2022-03-17
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
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：US20190083934A1
公开(公告)日：2019-03-21
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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