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1.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：US12064728B2
公开(公告)日：2024-08-20
申请号：US16962122
申请日：2019-01-08
Applicant: COWAY Co., Ltd.
Inventor： Sang-Young Lee , Sang-Hyeon Kang , Chul-Ho Kim , Tae-Seong Kwon , Hyoung-Min Moon , Sung-Min Moon , Jun-Young Lee , Byoung-Phil Lee , Byung-Sun Mo , Guk-Won Lee
CPC classification number: B01D61/48 , B01D61/445 , B01D69/02 , C02F1/4695 , B01D2313/345 , B01D2325/42
Abstract: An electrodeionization filter includes: a housing having a water inlet and a water outlet; a first electrode installed inside the housing in a spiral shape; a second electrode installed inside the housing in a spiral shape so as to be spaced apart from the first electrode; and an ion exchange module installed between the first electrode and the second electrode for adsorbing or desorbing ionic substances contained in water introduced by an application of electricity. At least one of the first electrode and the second electrode has a structure in which a center portion thereof is denser than a peripheral region thereof. Accordingly, the lifespan of the electrodes of the electrodeionization filter can be increased, and the assembly of the electrodes and related parts can be easily facilitated.
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