公开(公告)号：US20240120516A1

公开(公告)日：2024-04-11

申请号：US18263945

申请日：2022-03-07

Applicant: KOLON INDUSTRIES, INC.

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

IPC: H01M8/04746 ,  B01D63/02 ,  H01M8/04119 ,  H01M8/0432

CPC classification number: H01M8/04761 ,  B01D63/02 ,  H01M8/04141 ,  H01M8/04149 ,  H01M8/0432 ,  B01D2313/44

Abstract: The present invention relates to a fuel cell system capable of adjusting a bypass flow rate, in which the bypass flow rate can be automatically adjusted according to the temperature of an exhaust gas discharged from a fuel cell stack. The fuel cell system capable of adjusting a bypass flow rate, according to an embodiment of the present invention, comprises: an exhaust gas inlet flow path; an exhaust gas discharge flow path; a bypass flow path for bypassing a membrane humidifier to allow at least a portion of an exhaust gas discharged from a fuel cell stack to flow to the exhaust gas discharge flow path; and a bypass flow rate control unit that is formed in the bypass flow path and adjusts the opening degree of the bypass flow path according to the temperature of the exhaust gas discharged from the fuel cell stack.

公开(公告)号：US20240063407A1

公开(公告)日：2024-02-22

申请号：US18260559

申请日：2022-01-21

Applicant: KOLON INDUSTRIES, INC.

Inventor： Hyoung Mo YANG ,  Kyoung Ju KIM ,  Woong Jeon AHN ,  In Ho KIM

IPC: H01M8/04119

CPC classification number: H01M8/04149 ,  H01M8/04141

Abstract: The present invention relates to a fuel cell membrane humidifier which can prevent gas leakage due to repetition of driving and stopping of a fuel cell, can be manufactured with relatively low manufacturing costs and high productivity, and can suppress vibrations generated during operation. A fuel cell membrane humidifier according to an embodiment of the present invention comprises: a humidification module for humidifying air supplied from the outside with moisture in exhaust gas discharged from a fuel cell stack; and caps respectively coupled to both ends of the humidification module. The humidification module comprises: a mid-case which has both ends opened and a step difference formed on the inner circumferential surface thereof; at least one cartridge which is disposed within the mid-case and accommodates a plurality of hollow fiber membranes; a fixed layer in which ends of the hollow fiber membranes are potted and supported by the inner wall of the mid-case; a bracket which is supported by the step difference of the mid-case and is in contact with the fixed layer; and a packing member which has a groove into which an end of the mid-case is fitted and is in contact with the bracket. In addition, the humidification module has a damping protrusion which is formed on the inner wall of the mid-case and fitted into the fixed layer to suppress vibration generated in the cartridge by air flowing inside the humidification module.

公开(公告)号：US20240055627A1

公开(公告)日：2024-02-15

申请号：US18260274

申请日：2022-01-21

Applicant: KOLON INDUSTRIES, INC.

Inventor： Hyoung Mo YANG ,  Kyoung Ju KIM ,  Woong Jeon AHN ,  In Ho KIM

IPC: H01M8/04119 ,  B01D63/02 ,  H01M8/0662

CPC classification number: H01M8/04149 ,  B01D63/02 ,  H01M8/0687 ,  H01M8/04141 ,  B01D2313/201 ,  B01D2313/44 ,  H01M8/0276

Abstract: The present invention relates to a fuel cell membrane humidifier capable of improving humidification efficiency by performing two-stage humidification, and a fuel cell system comprising same. A fuel cell membrane humidifier according to an embodiment of the present invention comprises: a dry air supply means; a fuel cell membrane humidifier which performs two-stage humidification on the dry air supplied from the dry air supply means; a fuel cell stack for generating energy and humid exhaust gas by reacting the humidified air supplied from the fuel cell membrane humidifier with hydrogen; and a bypass flow path for bypassing a portion of the exhaust gas generated in the fuel cell stack. The fuel cell membrane humidifier comprises: a mid-case; a cap which is fastened with the mid-case and has a bypass inlet connected to the bypass flow path; a mixing humidifier which performs mixed humidification by mixing the dry air introduced through the cap and the exhaust gas introduced through the bypass inlet; and at least one cartridge which is disposed in the mid-case and accommodates a plurality of hollow fiber membranes that perform moisture exchange.

公开(公告)号：US20220123334A1

公开(公告)日：2022-04-21

申请号：US17605556

申请日：2020-06-24

Applicant: KOLON INDUSTRIES, INC.

Inventor： Do Woo KIM ,  Na Hyeon AN ,  Kyoung Ju KIM

IPC: H01M8/04119

Abstract: Disclosed are: a fuel cell humidifier capable of reliably preventing a gas leak due to repeated operating and stopping of a fuel cell and capable of being manufactured with relatively low manufacturing costs and high productivity; and a manufacturing method therefor. The fuel cell humidifier of the present invention comprises a humidifying module and caps coupled to both ends of the humidifying module, respectively, wherein: the humidifying module includes a mid-case, a plurality of hollow fiber membranes in the mid-case, a fixed layer in which the ends of the hollow fiber membranes are potted, and a composite gasket having a groove into which the end of the mid-case is fitted; the composite gasket includes an inner body, an outer body, and a connecting body provided therebetween and formed of a first material; and at least a portion of the inner body is adhered to the fixed layer and is formed of a second material that is different from the first material.

公开(公告)号：US20220013797A1

公开(公告)日：2022-01-13

申请号：US17417767

申请日：2019-12-20

Applicant: KOLON INDUSTRIES, INC.

Inventor： Young Seok OH ,  Kyoung Ju KIM ,  Woong Jeon AHN

IPC: H01M8/04119

Abstract: Disclosed is a membrane humidifier for a fuel cell, comprising multi-channel hollow fiber membranes having a plurality of channels in various sizes, thus allowing humidifying performance to be maintained in the case of a high rate of flow and to be decreased in the case of a low rate of flow, and thereby preventing flooding. The membrane humidifier for a fuel cell, according to the present invention, comprises: a middle case in which a plurality of hollow fiber membranes are accommodated; a cap case coupled to the middle case; and a fixing unit in which ends of the plurality of hollow fiber membranes are potted, wherein a plurality of channels are formed in each of the hollow fiber membranes, and the difference between the biggest and smallest inner diameters among the inner diameters of the plurality of channels is 30-600 μm.

公开(公告)号：US20240322197A1

公开(公告)日：2024-09-26

申请号：US18261141

申请日：2022-01-24

Applicant: KOLON INDUSTRIES, INC.

Inventor： Do Woo KIM ,  Kyoung Ju KIM ,  Na Hyun AHN ,  ln Ho KIM

IPC: H01M8/04119 ,  B01D63/02

CPC classification number: H01M8/04149 ,  B01D63/02 ,  B01D2313/041 ,  B01D2313/13 ,  B01D2313/201 ,  B01D2313/21 ,  B01D2313/44

Abstract: The present invention relates to a gasket assembly that can be manufactured with improved productivity and significantly reduce maintenance costs, and to a fuel cell membrane humidifier comprising same. A gasket assembly according to an embodiment of the present invention is a gasket assembly for a fuel cell membrane humidifier comprising a mid-case, a cap fastened to the mid-case, and at least one cartridge disposed in the mid-case and accommodating a plurality of hollow fiber membranes, and comprises: a sub-case formed in a shape surrounding an end of the cartridge and having a first hole into which the end of the cartridge is inserted; and a gasket including a body member having a second hole into which the sub-case is inserted, a packing part formed at one end of the body member and including a protruding member in contact with the outer circumferential surface of the sub-case inserted into the second hole to prevent a fluid in the mid-case from flowing toward the cap, and an edge part formed at the other end of the body member and formed in a space formed by a groove formed at the end of the mid-case and the end of the cap.

公开(公告)号：US20240079619A1

公开(公告)日：2024-03-07

申请号：US18262602

申请日：2022-01-24

Applicant: KOLON INDUSTRIES, INC.

Inventor： Jung Kun HER ,  Kyoung Ju KIM ,  Woong Jeon AHN ,  Hyoung Mo YANG

IPC: H01M8/0662 ,  H01M8/04082 ,  H01M8/04111 ,  H01M8/04119

CPC classification number: H01M8/0662 ,  H01M8/04111 ,  H01M8/04126 ,  H01M8/04201

Abstract: Disclosed is a fuel cell system. The fuel cell system of the present invention is characterized by a gas-liquid separator for removing foreign substances in air between a stack and an air supply unit. So the present invention can therefore prevent the foreign substances from being supplied to the stack and improve the function and extend the lifetime of the stack.

公开(公告)号：US20240079612A1

公开(公告)日：2024-03-07

申请号：US18262497

申请日：2022-03-07

Applicant: KOLON INDUSTRIES, INC.

Inventor： Jung Kun HER ,  Do Woo KIM ,  Woong Jeon AN ,  Kyoung Ju KIM

IPC: H01M8/04119 ,  B01D63/02

CPC classification number: H01M8/04141 ,  B01D63/021 ,  H01M8/04149 ,  B01D2323/58

Abstract: The present invention relates to a fuel cell membrane humidifier having an improved coupling force between a potting portion and an inner case so that the coupling force can be maintained even when a fuel cell is repeatedly driven and stopped, the fuel cell membrane humidifier according to an embodiment of the present invention comprising: a humidification module for humidifying, with the moisture in exhaust gas discharged from a fuel cell stack, the air supplied from the outside; and caps respectively coupled to both ends of the humidification module. The humidification module comprises at least one cartridge including an inner case, a plurality of hollow-fiber membranes arranged in the inner case, the potting portion fixing the ends of the plurality of hollow-fiber membranes, and a laser bonding surface which is formed between the inner case and the potting portion through a laser bonding.

公开(公告)号：US20220181655A1

公开(公告)日：2022-06-09

申请号：US17598961

申请日：2020-04-17

Applicant: KOLON INDUSTRIES, INC.

Inventor： Woong Jeon AHN ,  Young Seok OH ,  Kyoung Ju KIM

IPC: H01M8/04119

Abstract: Disclosed are: a fuel cell humidifier, which can be manufactured at improved productivity and can significantly reduce maintenance and repair costs; and a packing member for same. The fuel cell humidifier of the present invention comprises: a humidification module for humidifying, with the moisture in exhaust gas discharged from a fuel cell stack, the air supplied from the outside; and a cap coupled to one end of the humidification module, wherein the humidification module includes a middle case and at least one cartridge, which is arranged inside the middle case and includes a plurality of hollow-fiber membranes, and the fuel cell humidifier further includes the packing member coupled to one end of the humidification module in an airtight manner through a mechanical assembly so that fluid-communication can be performed between the cap and only the hollow-fiber membranes.

公开(公告)号：US20220093946A1

公开(公告)日：2022-03-24

申请号：US17418257

申请日：2020-03-09

Applicant: KOLON INDUSTRIES, INC.

Inventor： Do Woo KIM ,  Kyoung Ju KIM ,  Na Hyeon AN

IPC: H01M8/04119 ,  B01D63/04

Abstract: The present invention relates to a membrane humidifier for a fuel cell capable of simplifying a fuel cell system and miniaturizing the fuel cell system by performing humidification by moisture exchange and cooling by heat exchange in one membrane humidifier, and a fuel cell system comprising same. The membrane humidifier for a fuel cell of the present invention comprises both a humidification module and a heat exchange module in a housing part, and distributes a first fluid to the humidification module and the heat exchange module at a variable distribution ratio.