SHAPED CROSS-SECTIONAL POLYETHYLENE YARN AND FUNCTIONAL FABRIC INCLUDING THE SAME

    公开(公告)号:US20250027233A1

    公开(公告)日:2025-01-23

    申请号:US18714121

    申请日:2022-12-19

    Abstract: The present invention relates to a shaped cross-sectional polyethylene yarn and a functional fabric including the same, and more particularly, to a shaped cross-sectional polyethylene yarn by which a fabric having a cooling sensation and sweat absorption and quick drying properties may be manufactured, and a functional fabric including the same. A polyethylene yarn according to the present invention includes a filament having a central body and two or more protrusions protruding from the central body based on a cross section perpendicular to a longitudinal direction, wherein a degree of crystallinity of the polyethylene yarn is 56 to 85%.

    DOPE DYED POLYETHYLENE YARN AND FUNCTIONAL FABRIC INCLUDING THE SAME

    公开(公告)号:US20250019869A1

    公开(公告)日:2025-01-16

    申请号:US18713521

    申请日:2022-12-06

    Abstract: The present invention relates to a dope dyed polyethylene yarn and a functional fabric including the same, and more particularly, to a dope dyed polyethylene yarn having excellent color uniformity and a functional fabric including the same.
    A dope dyed polyethylene yarn according to the present invention contains a pigment, wherein L*, a* and b* measured under the following measurement condition satisfy the following expression: [Measurement condition] a measurement region is formed by winding the dope dyed polyethylene yarn around a planar substrate, computer color matching (CCM) is measured in the measurement region, and the CCM is measured at least n times (n is a natural number of 50 or more) every time the dope dyed polyethylene yarn is wound around the substrate 70 turns, ( C max - C min ) / C aver × 1 ⁢ 0 ⁢ 0 ≤ 1 ⁢ 5 [ Expression ] wherein Cmax, Cmin, and Caver represent maximum, minimum, and average values of any one selected from L*, a*, and b*, respectively.

    HUMIDIFIER FOR FUEL CELL
    235.
    发明公开

    公开(公告)号:US20240356048A1

    公开(公告)日:2024-10-24

    申请号:US18254708

    申请日:2021-12-28

    CPC classification number: H01M8/04141 H01M8/0284 H01M8/04149

    Abstract: The present invention relates to a humidifier for a fuel cell, the humidifier comprising: a humidifying module for humidifying a dry gas, supplied from the outside, by using a wet gas discharged from a fuel cell stack; and a first cap coupled to one end of the humidifying module, wherein the humidifying module includes: a mid-case that is open at both ends; at least one cartridge disposed inside the mid-case and including a plurality of hollow fiber membranes; and a first packing member which is air-tightly coupled to one end of the humidifying module through mechanical assembly so that the first cap is in fluid communication with only the hollow fiber membranes.

    FUEL CELL MEMBRANE HUMIDIFIER
    236.
    发明公开

    公开(公告)号:US20240339638A1

    公开(公告)日:2024-10-10

    申请号:US18579969

    申请日:2022-08-19

    CPC classification number: H01M8/04149 H01M2008/1095

    Abstract: Disclosed is a fuel cell membrane humidifier which may prevent degradation of efficiency, which is caused by an increase in differential pressure in the fuel cell membrane humidifier due to volume minimization of the fuel cell membrane humidifier. 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, a partition wall partitioning an inner space of the mid-case into a first space and a second space, and an active bypass portion configured to adjust a flow rate of the second fluid flowing in the first space and the second space according to a flow rate of the second fluid introduced through the second fluid inlet.

    CARTRIDGE FOR MEMBRANE HUMIDIFIER, AND FUEL CELL MEMBRANE HUMIDIFIER COMPRISING SAME

    公开(公告)号:US20240322200A1

    公开(公告)日:2024-09-26

    申请号:US18579902

    申请日:2022-08-09

    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.

    HOLLOW FIBER MEMBRANE CARTRIDGE
    238.
    发明公开

    公开(公告)号:US20240316502A1

    公开(公告)日:2024-09-26

    申请号:US18579895

    申请日:2022-07-08

    CPC classification number: B01D63/04 B01D2313/02 B01D2313/44

    Abstract: A hollow fiber membrane cartridge according to an aspect of the present invention includes a plurality of hollow fiber membranes and a body portion in which the plurality of hollow fiber membranes are arranged, and above which and below which mesh portions are formed, respectively, wherein the mesh portion includes a plurality of joints and a window formed to be surrounded by the plurality of joints, and a radius of curvature of the joint is 1 to 7 times a diameter of the hollow fiber membrane.

    FUEL CELL MEMBRANE HUMIDIFIER
    239.
    发明公开

    公开(公告)号:US20240304838A1

    公开(公告)日:2024-09-12

    申请号:US18263925

    申请日:2022-03-08

    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.

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