公开(公告)号：US11820680B2

公开(公告)日：2023-11-21

申请号：US17186985

申请日：2021-02-26

Applicant: SIONTECH CO., LTD.

Inventor： Kyung Seok Kang ,  Kyu Hong Lee ,  Ho Il Lee ,  Bo Hyung Ryoo ,  Nam Soo Park ,  Kyung Han Lee

IPC: C02F1/461

CPC classification number: C02F1/46109 ,  C02F2201/4611 ,  C02F2201/4612 ,  C02F2201/4616

Abstract: The present disclosure provides an energy-saving technology using switching of current of an electrode terminal, which is applied to a capacitive deionization (CDI) water purification apparatus, and control of switching of the current. The water purification apparatus includes a case 110 having an inlet 113 formed in one side thereof and an outlet 115 formed in the opposite side thereof, a plurality of electrode plates 120 accommodated in the case and stacked on one another, and an electrode terminal 130 selectively and electrically connected to the plurality of electrode plates and configured to allow direct current to flow therethrough.

公开(公告)号：US12065365B2

公开(公告)日：2024-08-20

申请号：US17286156

申请日：2019-10-11

Applicant: SIONTECH CO., LTD.

Inventor： Kyung Seok Kang ,  Nam Soo Park ,  Kyung Han Lee

IPC: C02F1/469 ,  C02F1/00 ,  C02F1/46 ,  C02F5/00

CPC classification number: C02F1/4691 ,  C02F1/008 ,  C02F1/4602 ,  C02F5/00 ,  C02F2201/005 ,  C02F2201/006 ,  C02F2209/02 ,  C02F2209/03 ,  C02F2209/40

Abstract: Disclosed is a filter and a filter case using CDI, and a water purifier and a water softener using the filter case. Specifically, the filter case comprises: a case having a cylindrical shape and including a receiving space formed therein; a first cover having an inlet formed in the center thereof and configured to close one side of the case; and a second cover having an outlet formed in the center thereof and configured to close the other side of the case.

公开(公告)号：US11787711B2

公开(公告)日：2023-10-17

申请号：US16635063

申请日：2020-01-28

Applicant: SIONTECH CO., LTD.

Inventor： Kyung Seok Kang ,  Kyung Han Lee ,  Nam Soo Park ,  Hyun Woo Yoo ,  Bo Hyung Ryoo

IPC: C02F1/469

CPC classification number: C02F1/4691 ,  C02F2201/46

Abstract: Disclosed are a deionization electrode having ion adsorption layers and ion selective membranes formed at opposite ends thereof, an electrode module configured such that deionization electrodes are stacked, and a deionization unit having electrode modules received therein to separate ions from water. The deionization electrode includes a current collector configured to have a circular flat structure, the current collector having a first hole formed therein, a first porous adsorption layer located on one surface of the current collector, the first adsorption layer being configured to have a flat structure, a second porous adsorption layer located on the other surface of the current collector, the second adsorption layer being configured to have a flat structure, a first ion selective membrane located on the surface of the first adsorption layer, and a second ion selective membrane located on the surface of the second adsorption layer.