FUEL CELL MEMBRANE HUMIDIFIER
    1.
    发明公开

    公开(公告)号:US20240243308A1

    公开(公告)日:2024-07-18

    申请号:US18558724

    申请日:2022-06-09

    CPC classification number: H01M8/04149 H01M2008/1095

    Abstract: The present disclosure relates to a fuel cell membrane humidifier in which a gap between an inner case and a mid-case constituting a cartridge is sealed to prevent off-gas from being bypassed. The disclosed fuel cell membrane humidifier includes: a mid-case having a partition wall partitioning an internal space; a first cap fastened to one side of the mid-case; a second cap fastened to other side of the mid-case; an inner case disposed in the mid-case and configured to accommodate a plurality of hollow fiber membranes therein; a rib protruding from one side of the inner case and coming into contact with one surface of the partition wall; a hook protruding from other side of the inner case and coming into contact with other surface of the partition wall; a first gasket disposed between the first cap and the inner case and configured to transmit fastening force between the first cap and the mid-case to the rib; and a second gasket disposed between the second cap and the inner case and configured to transmit fastening force between the second cap and the mid-case to the hook.

    GASKET ASSEMBLY AND FUEL CELL MEMBRANE HUMIDIFIER COMPRISING SAME

    公开(公告)号:US20240322197A1

    公开(公告)日:2024-09-26

    申请号:US18261141

    申请日:2022-01-24

    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.

    FUEL CELL MEMBRANE HUMIDIFIER
    3.
    发明公开

    公开(公告)号:US20240243309A1

    公开(公告)日:2024-07-18

    申请号:US18558736

    申请日:2022-06-09

    CPC classification number: H01M8/04149 H01M8/04141

    Abstract: Disclosed is a fuel cell membrane humidifier capable of preventing the bypass of exhaust gas by sealing a gap between an inner case and a middle case which form a cartridge, wherein the disclosed fuel cell membrane humidifier comprises:



    a middle case having a partition dividing an inner space;
    a first cap fastened to one side of the middle case; a second cap fastened to another side of the middle case;
    an inner case, which is disposed in the middle case and accommodates a plurality of hollow fiber membranes therein;
    a rib, which protrudes from one side of the inner case and is in contact with one surface of the partition;
    a hook, which protrudes from another side of the inner case and is in contact with another surface of the partition;
    a first gasket, which is disposed between the first cap and the inner case and transmits, to the rib, a fastening force between the first cap and the middle case; and
    a second gasket, which is disposed between the second cap and the inner case and transmits, to the hook, the fastening force between the second cap and the middle case.

    FUEL CELL MEMBRANE HUMIDIFIER
    5.
    发明公开

    公开(公告)号:US20240243307A1

    公开(公告)日:2024-07-18

    申请号:US18558720

    申请日:2022-06-09

    CPC classification number: H01M8/04149 B01D63/04 H01M8/04141

    Abstract: The present disclosure relates to a fuel cell membrane humidifier in which the discharge performance of condensate generated in a humidification module is improved. The disclosed fuel cell membrane humidifier includes a humidification module configured to humidify air supplied from an outside with moisture in off-gas discharged from a fuel cell stack, and caps respectively coupled to both ends of the humidification module. The humidification module includes a mid-case in which an off-gas inlet through which the off-gas is introduced and an off-gas outlet through which the off-gas is discharged are formed. The off-gas outlet is formed on a bottom surface side of the mid-case and configured to discharge condensate generated in the humidification module to the outside.

    FUEL CELL MEMBRANE HUMIDIFIER
    6.
    发明公开

    公开(公告)号:US20240030467A1

    公开(公告)日:2024-01-25

    申请号:US18255116

    申请日:2022-01-26

    CPC classification number: H01M8/04149

    Abstract: The present invention relates to a fuel cell membrane humidifier capable of preventing a humidification efficiency decrease caused by a pressure difference between the inside and the outside of a membrane humidifier. A fuel cell membrane humidifier 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 which is formed between the middle case and the module insertion part and prevents expansion of the module insertion part by a pressure difference between the inside and the outside of the middle case according to an output state of a fuel cell or relieves the pressure difference therebetween.

    HOLLOW FIBER MEMBRANE CARTRIDGE AND HOLLOW FIBER MEMBRANE MODULE INCLUDING SAME

    公开(公告)号:US20250050278A1

    公开(公告)日:2025-02-13

    申请号:US18291957

    申请日:2022-09-22

    Abstract: The present disclosure provides a hollow fiber membrane cartridge capable of preventing fiber breakage of a hollow fiber membrane by uniformly supplying a fluid to the hollow fiber membrane and a hollow fiber membrane module. The hollow fiber membrane is accommodated in the hollow fiber membrane cartridge according to an embodiment of the present disclosure and allows a first fluid and a second fluid to perform moisture exchange, wherein the first fluid flows inside the hollow fiber membrane, and the second fluid introduced from outside flows outside the hollow fiber membrane, an opening through which the second fluid is introduced or discharged is formed in the hollow fiber membrane cartridge, a first portion into which the second fluid is introduced and a second portion having a greater inflow flow rate of the second fluid per unit area than that of the first portion are formed in the opening, and a width of the second portion is less than a width of the first portion.

    FUEL CELL MEMBRANE HUMIDIFIER
    8.
    发明公开

    公开(公告)号:US20240322199A1

    公开(公告)日:2024-09-26

    申请号:US18578209

    申请日:2022-07-08

    Abstract: Disclosed is a fuel cell membrane humidifier which may improve humidification efficiency by preventing a differential pressure loss in a humidification module. A disclosed fuel cell membrane humidifier performs moisture exchange between a first fluid and a second fluid and includes a mid-case, a second fluid inlet configured to introduce the second fluid into the mid-case, a second fluid outlet configured to discharge the second fluid to outside, and at least one cartridge arranged in the mid-case and accommodating a plurality of hollow fiber membranes. A cross-sectional area of the second fluid inlet is formed to be greater than or equal to an inner cross-sectional area of the at least one cartridge excluding a cross-sectional area occupied by the plurality of hollow fiber membranes accommodated in the at least one cartridge.

    FUEL CELL MEMBRANE HUMIDIFIER
    9.
    发明公开

    公开(公告)号:US20240322196A1

    公开(公告)日:2024-09-26

    申请号:US18578189

    申请日:2022-07-08

    Abstract: Provided is a fuel cell membrane humidifier in which humidification efficiency is improved by preventing differential pressure loss in a humidification module. The fuel cell membrane humidifier performs moisture exchange between a first fluid and a second fluid and includes a mid-case, a second fluid inlet through which the second fluid is introduced into the mid-case, a second fluid outlet through which the second fluid is discharged to outside, a partition wall configured to divide an inner space of the mid-case into a first space and a second space, and at least one cartridge located in the mid-case and configured to accommodate a plurality of hollow fiber membranes therein. A cross-sectional area of the second fluid inlet is equal to or greater than a total area of windows constituting a first mesh hole unit and arranged in a mesh shape in the at least one cartridge for fluid communication with the first space.

    FUEL CELL MEMBRANE HUMIDIFIER
    10.
    发明公开

    公开(公告)号:US20240243310A1

    公开(公告)日:2024-07-18

    申请号:US18559005

    申请日:2022-06-09

    CPC classification number: H01M8/04149 H01M2008/1095

    Abstract: Disclosed is a fuel cell membrane humidifier that can prevent gas leakage due to repeated operation and stop of a fuel cell, can be manufactured with relatively low manufacturing cost and high productivity, and can suppress vibrations generated during operation.
    The disclosed fuel cell membrane humidifier comprises a humidification module for humidifying air supplied from the outside with moisture in off-gas discharged from a fuel cell stack. The humidification module comprises a mid-case having both open ends, a step being formed on the inner circumferential surface of the mid-case, at least one cartridge disposed in the mid-case and accommodating multiple hollow fiber membranes, a fixing layer in which the ends of the hollow fiber membranes are potted and which is supported by a mid-case inner wall, a bracket supported by the step of the mid-case and in contact with the fixing layer, and a packing member having a groove in which the end of the mid-case is fitted, the packing member being contact with the bracket.

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