公开(公告)号：US20180050308A1

公开(公告)日：2018-02-22

申请号：US15555576

申请日：2016-03-04

Applicant: KOLON INDUSTRIES, INC.

Inventor： Ah Reum LEE

IPC: B01D63/02 ,  C02F1/44 ,  B01D63/04 ,  B01D69/08

CPC classification number: B01D63/024 ,  B01D63/046 ,  B01D69/08 ,  B01D2313/10 ,  B01D2313/16 ,  B01D2313/19 ,  B01D2313/21 ,  B01D2313/54 ,  B01D2317/022 ,  B01D2317/025 ,  C02F1/44

Abstract: Disclosed are an extendable pressurized-type hollow fiber membrane module which facilitates improvement of filtrate quality through a multistep-filtration, enhanced easiness of installation and maintenance, decrease of footprint, and/or enlargement of filtration apparatus (without causing decrease of permeate flux of a unit hollow fiber membrane), and a filtration apparatus manufactured using the same. The filtration apparatus of the present invention comprises first and second pressurized-type hollow fiber membrane modules, wherein an inlet port of the first pressurized-type hollow fiber membrane module for introducing feed water and an outlet port of the second pressurized-type hollow fiber membrane module for discharging filtrate or air are coupled to each other.

公开(公告)号：US20240113311A1

公开(公告)日：2024-04-04

申请号：US18264777

申请日：2022-03-08

Applicant: KOLON INDUSTRIES, INC.

Inventor： Young Seok OH ,  Ah Reum LEE ,  Ji Yoon LEE ,  Kyoung Ju KIM

IPC: H01M8/04119 ,  B01D63/02

CPC classification number: H01M8/04149 ,  B01D63/02 ,  B01D2313/083 ,  B01D2313/205 ,  B01D2313/21 ,  B01D2313/24 ,  B01D2313/44

Abstract: The present invention relates to a membrane humidifier for a fuel cell, which can prevent a decrease in humidification efficiency, caused by a pressure difference between the inside and the outside of the membrane humidifier. The membrane humidifier for a fuel cell, according to an embodiment of the present invention, comprises: a middle case having a module insertion part formed therein; a cap case coupled to the middle case; a hollow fiber membrane module inserted in the module insertion part; and an active pressure buffer part formed between the middle case and the module insertion part to prevent expansion of the module insertion part due to a pressure difference between the inside and the outside of the middle case or relieve the pressure difference according to output states of the fuel cell.

公开(公告)号：US20240063409A1

公开(公告)日：2024-02-22

申请号：US18260952

申请日：2022-01-27

Applicant: KOLON INDUSTRIES, INC.

Inventor： Young Seok OH ,  Ah Reum LEE ,  Ji Yoon LEE ,  Kyoung Ju KIM

IPC: H01M8/04119

CPC classification number: H01M8/04149

Abstract: The present invention relates to a fuel cell membrane humidifier which adjusts a clearance between hollow fiber membranes according to a temperature of a fluid flowing between the hollow fiber membranes to improve humidification efficiency. A fuel cell membrane humidifier according to an embodiment of the present invention comprises: a mid-case; a cap fastened to the mid-case; a plurality of hollow fiber membranes disposed in the mid-case and exchanging moisture with an air supplied from the outside and flue gas introduced from a fuel cell stack to humidify the air; and a clearance adjustment pipe disposed between the plurality of hollow fiber membranes and formed of a material having a thermal expansion coefficient different from that of the plurality of hollow fiber membranes, so as to adjust the clearance between the plurality of hollow fiber membranes according to a temperature of flue gas.

公开(公告)号：US20240001303A1

公开(公告)日：2024-01-04

申请号：US18254840

申请日：2021-12-07

Applicant: KOLON INDUSTRIES, INC.

Inventor： Ji Yoon LEE ,  Young Seok OH ,  Ah Reum LEE

IPC: B01D63/02 ,  B01D69/08 ,  B01D69/12 ,  H01M8/04119

CPC classification number: B01D63/031 ,  B01D63/021 ,  B01D69/087 ,  B01D69/1216 ,  H01M8/04149 ,  B01D2325/02831 ,  B01D2325/04 ,  B01D2325/20 ,  B01D2325/24 ,  B01D2325/025 ,  B01D2323/22 ,  B01D2323/39 ,  B01D2325/026

Abstract: The present invention relates to a hollow fiber membrane including, sequentially from the center: a first layer having a high-density sponge structure including pores with a size of 1 nm or less; a second layer including a finger-shaped structure; and a third layer having a low-density sponge structure including pores with a size of 10 to 1,000 μm, and to a method for producing the hollow fiber membrane.

公开(公告)号：US20230411650A1

公开(公告)日：2023-12-21

申请号：US18254019

申请日：2022-01-04

Applicant: KOLON INDUSTRIES, INC.

Inventor： Young Seok OH ,  Ah Reum LEE ,  Ji Yoon LEE ,  Kyoung Ju KIM

IPC: H01M8/04119

CPC classification number: H01M8/04149

Abstract: The present invention relates to a fuel cell membrane humidifier which can actively control the flow rate of exhaust gas flowing from a fuel cell stack according to the output condition of a fuel cell. A fuel cell membrane humidifier according to one embodiment of the present invention comprises: a mid-case having an inlet through which wetting gas supplied from the fuel cell stack is introduced and an outlet through which the wetting gas is discharged; a cartridge disposed inside the mid-case and accommodating a plurality of hollow fiber membranes; a bypass space formed in the space between the mid-case and the cartridge; and an active blocking member for controlling the degree of opening of the bypass space according to the temperature of the wetting gas introduced through the inlet.

公开(公告)号：US20240322200A1

公开(公告)日：2024-09-26

申请号：US18579902

申请日：2022-08-09

Applicant: KOLON INDUSTRIES, INC.

Inventor： Ah Reum LEE ,  Young Seok OH ,  Ji Yoon LEE

IPC: H01M8/04119

CPC classification number: H01M8/04149

Abstract: Provided are a membrane humidifier cartridge, in which a hollow fiber membrane accommodated in a cartridge may be prevented from being damaged by a fluid, and a fuel cell membrane humidifier including the same. The membrane humidifier cartridge may include an inner case accommodating therein a hollow fiber membrane in which a first fluid flows, and including a material having a first hardness, a potting portion fixing a terminal of the hollow fiber membrane, a first mesh hole portion through which a second fluid is introduced, and including a plurality of windows, and a second mesh hole portion through which the second fluid introduced through the first mesh hole portion is discharged after exchanging moisture with the first fluid through the hollow fiber membrane, and including a plurality of windows. At least any one of the first mesh hole portion and the second mesh hole portion may include a material having a second hardness that is less than the first hardness.

公开(公告)号：US20240304838A1

公开(公告)日：2024-09-12

申请号：US18263925

申请日：2022-03-08

Applicant: KOLON INDUSTRIES INC.

Inventor： Young Seok OH ,  Ah Reum LEE ,  Ji Yoon LEE ,  Kyoung-ju KIM

IPC: H01M8/04119 ,  H01M8/04089

CPC classification number: H01M8/04149 ,  H01M8/04104 ,  H01M8/04141

Abstract: The present invention relates to a fuel cell membrane humidifier capable of preventing a decrease in humidification efficiency, caused by a pressure difference between the inside and outside of the membrane humidifier. The fuel cell membrane humidifier according to an embodiment of the present invention comprises: a middle case which has a module insertion unit; a cap case; a hollow fiber membrane module which is inserted into the module insertion unit; and an active pressure buffer unit which is formed between the middle case and the module insertion unit and which, according to the output condition of a fuel cell, prevents expansion of the module insertion unit due to the pressure difference between the inside and outside of the middle case or eliminates the pressure difference.

公开(公告)号：US20240120511A1

公开(公告)日：2024-04-11

申请号：US18263528

申请日：2022-03-03

Applicant: KOLON INDUSTRIES, INC.

Inventor： Young Seok OH ,  Ah Reum LEE ,  Ji Yoon LEE ,  Kyoung Ju KIM

IPC: H01M8/04119

CPC classification number: H01M8/04164 ,  H01M8/04141 ,  H01M8/04149

Abstract: The present invention relates to a fuel cell humidifier which can prevent condensate water from entering a running fuel cell stack. A fuel cell humidifier according to an embodiment of the present invention comprises: a humidification module; a first cap having an air discharge port for supplying air humidified by the humidification; a second cap having an air inlet port for receiving the air supplied from the outside; a bypass tube for transferring condensate water, which is generated in the interior space of the first cap or flows into the interior space of the first cap from the hollow fiber membranes, to the interior space of the housing where the off-gas flows; and a condensation inducing part extending from the air discharge port to expand the humidified air so as to induce condensation of condensate water while slowing down the speed thereof.

公开(公告)号：US20240105972A1

公开(公告)日：2024-03-28

申请号：US18264793

申请日：2022-03-08

Applicant: KOLON INDUSTRIES, INC.

Inventor： Young Seok OH ,  Ah Reum LEE ,  Ji Yoon LEE ,  Kyoung Ju KIM

IPC: H01M8/04119 ,  B01D63/04

CPC classification number: H01M8/04149 ,  B01D63/04 ,  H01M2008/1095

Abstract: The present invention relates to a fuel cell membrane humidifier capable of preventing a humidification efficiency decrease caused by the pressure difference between the inside and the outside of the membrane humidifier. The fuel cell membrane humidifier according to an embodiment of the present invention comprises: a middle case in which a module insertion part, including an outer partition wall formed spaced apart from an inner wall of the middle case, is formed; a cap case coupled to the middle case; a hollow fiber membrane module inserted into the module insertion part; and an active pressure buffer part that is formed between the middle case and the module insertion part and prevents the module insertion part from expanding due to the pressure difference between the inside and the outside of the middle case, or resolves the pressure difference, according to the output status of the fuel cell.

公开(公告)号：US20170197183A1

公开(公告)日：2017-07-13

申请号：US15315001

申请日：2015-05-29

Applicant: KOLON INDUSTRIES, INC.

Inventor： Ah Reum LEE ,  Heewan MOON ,  Jung Min NOH ,  Won Byung PARK ,  Young Kyu KIM

IPC: B01D69/08 ,  C02F1/44 ,  C02F1/52 ,  B01D63/02

CPC classification number: B01D63/02 ,  B01D61/147 ,  B01D61/16 ,  B01D61/18 ,  B01D65/08 ,  B01D69/08 ,  B01D2311/04 ,  B01D2311/2642 ,  B01D2321/185 ,  C02F1/44 ,  C02F1/444 ,  C02F1/52 ,  C02F2001/007

Abstract: An energy-saving filtering system and a hollow fiber membrane module for the same are disclosed. According to the filtering system of the present invention, pretreated feed water flows into the case of the hollow fiber membrane module by gravity, and the filtrate passing through the hollow fiber membrane is discharged from the hollow fiber membrane module by gravity.