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1.发明申请公开(公告)号：US20180078909A1
公开(公告)日：2018-03-22
申请号：US15564551
申请日：2016-03-31
申请人： DIC Corporation
发明人： Kazumi Oi , Masato Saito , Naoki Hada
摘要： A resistivity adjustment device includes: a hollow fiber membrane module that is divided by a hollow fiber membrane into a liquid phase side area; a liquid supply pipe that communicates with the liquid phase side area; a liquid discharge pipe that communicates with the liquid phase side area; a gas supply pipe that communicates with the gas phase side area; a gas discharge pipe that communicates with the gas phase side area; a bypass pipe that communicates with the liquid supply pipe and the liquid discharge pipe to bypass the hollow fiber membrane module; and a first on-off valve that is connected to the gas discharge pipe and opens or closes a first passage inside the gas discharge pipe, wherein the first on-off valve opens the first passage to discharge water accumulated in the gas phase side area.
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公开(公告)号：US11542185B2
公开(公告)日：2023-01-03
申请号：US16324973
申请日：2017-08-10
申请人： DIC Corporation
发明人： Masato Saito , Kazumi Oi , Naoki Hada
IPC分类号： C02F1/68 , B01F23/231 , B01F21/00 , B01F25/40 , B01F25/452 , B01F35/80 , B01F35/83 , B01F101/58
摘要： A specific resistance value adjustment apparatus includes: a hollow fiber membrane module; a module passing pipe which passes through the hollow fiber membrane module; a bypassing pipe which bypasses the hollow fiber membrane module; a liquid discharge pipe which communicates with the module passing pipe and the bypassing pipe through a joint portion; a first flow rate detection unit which detects a first flow rate of a liquid flowing to at least one of a liquid supply pipe and the liquid discharge pipe; a control valve which opens and closes the module passing pipe; and a control unit which sets an opening degree of the control valve in response to the first flow rate detected by the first flow rate detection unit.
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3.发明授权公开(公告)号：US10792623B2
公开(公告)日：2020-10-06
申请号：US15564551
申请日：2016-03-31
申请人： DIC Corporation
发明人： Kazumi Oi , Masato Saito , Naoki Hada
摘要： A resistivity adjustment device includes: a hollow fiber membrane module that is divided by a hollow fiber membrane into a liquid phase side area; a liquid supply pipe that communicates with the liquid phase side area; a liquid discharge pipe that communicates with the liquid phase side area; a gas supply pipe that communicates with the gas phase side area; a gas discharge pipe that communicates with the gas phase side area; a bypass pipe that communicates with the liquid supply pipe and the liquid discharge pipe to bypass the hollow fiber membrane module; and a first on-off valve that is connected to the gas discharge pipe and opens or closes a first passage inside the gas discharge pipe, wherein the first on-off valve opens the first passage to discharge water accumulated in the gas phase side area.
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公开(公告)号：US20190224633A1
公开(公告)日：2019-07-25
申请号：US16324973
申请日：2017-08-10
申请人： DIC Corporation
发明人： Masato Saito , Kazumi Oi , Naoki Hada
摘要： A specific resistance value adjustment apparatus includes: a hollow fiber membrane module; a module passing pipe which passes through the hollow fiber membrane module; a bypassing pipe which bypasses the hollow fiber membrane module; a liquid discharge pipe which communicates with the module passing pipe and the bypassing pipe through a joint portion; a first flow rate detection unit which detects a first flow rate of a liquid flowing to at least one of a liquid supply pipe and the liquid discharge pipe; a control valve which opens and closes the module passing pipe; and a control unit which sets an opening degree of the control valve in response to the first flow rate detected by the first flow rate detection unit.
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