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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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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：US11534709B2
公开(公告)日：2022-12-27
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
IPC: B01D35/147 , B01D37/04 , B01D61/02 , B01D29/92 , B01D35/157
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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公开(公告)号：US10300478B2
公开(公告)日：2019-05-28
申请号：US15528287
申请日：2015-09-16
Applicant: COWAY CO., LTD.
Inventor： Sung-Min Moon , Jun-Young Lee , Sun-Beom Choi , Sang-Hyeon Kang , Kyung-Seok Kang , Won-Keun Son
IPC: B01J47/12 , B01D61/46 , B01D69/02 , B01D69/12 , B01D71/26 , B01D71/52 , B01J39/04 , B01J39/18 , B01J41/04 , B01J41/12 , B01D61/44 , B01J23/745 , B01J35/00 , B01J37/02 , C02F1/461 , C02F1/469 , B01J47/016
Abstract: The present invention relates to a bipolar ion exchange sheet and a manufacturing method therefor, the bipolar ion exchange sheet comprising: a cation exchange film comprising a cation adsorption sheet and a cation exchange coating layer formed on one side of the cation adsorption sheet; and an anion exchange film comprising an anion adsorption sheet and an anion exchange coating layer formed on one side of the anion adsorption sheet, wherein the cation exchange film and the anion exchange film are bonded so that the cation exchange coating layer and the anion exchange coating layer face each other.
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公开(公告)号：US11285415B2
公开(公告)日：2022-03-29
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
IPC: B01D35/147 , B01D35/157 , B01D37/04 , B01D61/02 , B01D29/92
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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Patent Agency Ranking
6.发明授权公开(公告)号：US10815136B2
公开(公告)日：2020-10-27
申请号：US15777455
申请日：2016-11-10
Applicant: COWAY CO., LTD.
Inventor： Sung-Min Moon , Jun-Young Lee , Guk-Won Lee , Sang-Hyeon Kang
Abstract: A deionization filter device includes a first electrode, a second electrode, at least one bipolar ion exchange sheet configured to include a cation exchange film and an anion exchange film, and disposed between the first electrode and the second electrode, a voltage source configured to apply a deionization voltage or a reproduction voltage between the first electrode and the second electrode, a pH sensor configured to detect a pH value of a solution to be treated by a voltage applied by the voltage source, and a controller configured to control the voltage source, depending on a pH value of the solution.
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公开(公告)号：US20190056138A1
公开(公告)日：2019-02-21
申请号：US16077579
申请日：2017-02-17
Applicant: COWAY CO., LTD.
Inventor： Byong-Hyoek Lee , Tae-Hyun Kim , Ye-Suk Shin , Hyun-Jun Yun , Jong-Cheol Kim , Sang-Hyeon Kang
CPC classification number: F24F11/65 , B01D46/0036 , B01D46/0038 , B01D46/442 , B01D46/448 , B01D46/46 , F24F11/30 , F24F2110/10 , F24F2110/20 , F24F2110/64 , F24F2110/70 , G06F16/9038 , G06F16/904
Abstract: A system and a method for managing an air quality, and an analysis server are provided. The system for managing an air quality includes an air cleaner for measuring the quality of ambient air, transmitting air quality measurement data, and controlling at least one of an air cleaning function, a dehumidification function, and a humidification function on the basis of a received solution; and an analysis server for analyzing the air quality measurement data, received from the air cleaner, to derive an air quality type and providing, to the air cleaner, the predefined solution, according to the derived air quality type.
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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：US10946339B2
公开(公告)日：2021-03-16
申请号：US15121301
申请日：2015-02-13
Applicant: COWAY CO., LTD.
Inventor： Tae-Seong Kwon , Soo-Young Lee , Hyoung-Min Moon , Sang-Hyeon Kang , Byung-Kil Park
Abstract: A water treatment apparatus is disclosed. The water treatment apparatus, according to one embodiment of the present invention, may comprise: a filter unit comprising a reverse osmosis filter for supplying purified water filtered from raw water, and residential water which could not be filtered from raw water; a storage unit connected to the filter unit and comprising a storage member in which purified water is stored, then discharged, and a housing within which the storage member is provided, and through which residential water inflows and outflows; and a flow path changing valve connected to the filter unit and the storage unit, and which allows residential water to outflow from the housing as purified water is stored in the storage member, or allows purified water to be discharged from the storage member as residential water inflows into the housing.
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公开(公告)号：US10775068B2
公开(公告)日：2020-09-15
申请号：US16077579
申请日：2017-02-17
Applicant: COWAY CO., LTD.
Inventor： Byong-Hyoek Lee , Tae-Hyun Kim , Ye-Suk Shin , Hyun-Jun Yun , Jong-Cheol Kim , Sang-Hyeon Kang
IPC: F24F11/65 , G06F16/904 , G06F16/9038 , B01D46/00 , B01D46/44 , B01D46/46 , F24F110/20 , F24F110/64 , F24F110/70 , F24F11/30 , F24F110/10
Abstract: A system and a method for managing an air quality, and an analysis server are provided. The system for managing an air quality includes an air cleaner for measuring the quality of ambient air, transmitting air quality measurement data, and controlling at least one of an air cleaning function, a dehumidification function, and a humidification function on the basis of a received solution; and an analysis server for analyzing the air quality measurement data, received from the air cleaner, to derive an air quality type and providing, to the air cleaner, the predefined solution, according to the derived air quality type.
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