Abstract: The present invention relates to a packing unit for a fuel cell humidifier, and a fuel cell humidifier, the packing unit comprising: a first packing body airtightly coupled to one end of a mid-case through mechanical assembly so that a first cap fluidically communicates only with hollow fiber membranes; and a condensate water discharge portion formed in the first packing body, wherein the condensate water discharge portion has one end fluidically communicating with the inside of the first cap and has the other end fluidically communicating with the inside of the mid-case so that condensate water located inside the first cap is discharged to the inside of the mid-case.

Abstract: The present disclosure provides a fuel cell membrane humidifier capable of improving humidification efficiency by increasing a flow time in a humidifying module, and the fuel cell membrane humidifier according to an embodiment of the present disclosure, includes: a mid-case; an off-gas inlet formed in a direction inclined at a predetermined angle with respect to one surface of the mid-case through which off-gas discharged from the fuel cell stack is introduced; and at least one cartridge disposed in the mid-case and including an inner case accommodating a plurality of hollow fiber membranes therein, and a potting part fixing ends of the hollow fiber membranes.

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.

Abstract: The present invention relates to a mid-case of a fuel cell humidifier, and to a fuel cell humidifier, the mid-case comprising: a mid-case body accommodating at least one cartridge containing a hollow fiber membrane bundle; a mid-case inlet through which a first gas flows into the mid-case body; a mid-case outlet, distanced from the mid-case inlet in the first axial direction, through which the first gas is discharged from the mid-case body; a partition wall, disposed inside the mid-case body, for partitioning the interior of the mid-case body into an inflow space into which the first gas flows in, and an outflow space from which the first gas is discharged; and an additional partition wall disposed inside the mid-case body between the mid-case inlet and partition wall in the first axial direction, wherein the partition wall is positioned so that the separation distance is shorter to the mid-case outlet than to the mid-case inlet in the first axial direction, and the additional partition wall is provided with

Abstract: The present invention relates to a fuel cell humidifier comprising: a humidification module which uses wet gas to humidify dry gas to be supplied to a fuel cell stack; a first cap which is coupled to one end of the humidification module; and a second cap which is coupled to the other end of the humidification module, wherein the humidification module comprises: a cartridge which includes a bundle of hollow fiber membranes; a mid-case in which the cartridge is accommodated; and a flow path change unit which is disposed between the inner surface of the mid-case and the outer surface of the cartridge.

Abstract: The present invention relates to a humidifier for a fuel cell, comprising: a humidifying module for humidifying dry gas supplied from the outside, by using wet gas discharged from a fuel cell stack; a first cap coupled to one end of the humidifying module; and a second cap coupled to the other end of the humidifying module, in which the humidifier comprises a first packing member which is airtightly coupled to one end of the humidifying module through mechanical assembly, so that the first cap can be in fluid communication only with hollow fiber membranes, wherein the humidifying module comprises a first sub-case having a first insertion groove into which the first packing member is inserted.

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.

Abstract: The present invention relates to a gasket assembly which can be manufactured with increased productivity and can dramatically reduce maintenance costs, and a fuel cell membrane humidifier comprising same. According to an embodiment of the present invention, the gasket assembly is for the fuel cell membrane humidifier which comprises: a mid-case; a cap fastened with the mid-case; and at least one cartridge arranged in the mid-case and receiving a plurality of hollow fiber membranes.

Abstract: The present invention relates to a fuel cell membrane humidifier, which improves binding force between a potting part and an inner case, and thus can maintain the binding force even if a fuel cell is repeatedly operated and stopped. A fuel cell membrane humidifier according to an embodiment of the present invention includes: a humidification module for humidifying air, supplied from the outside, with the moisture of exhaust gas discharged from a fuel cell stack; and caps, which are each coupled to the both ends of the humidification module. The humidification module includes at least one cartridge having: an inner case; a plurality of hollow fiber membranes placed inside the inner case; and a potting part which fixes the ends of the plurality of hollow fiber membranes, and which is filled in and coupled to the end part of the inner case.

Abstract: The present invention relates to: a cartridge for a fuel cell humidifier for humidifying dry gas supplied from the outside by using wet gas discharged from a fuel cell stack; and a fuel cell humidifier, the cartridge comprising: an inner case having an opening at the end thereof, and having a plurality of hollow fiber membranes contained therein; and a first gas inlet and a first gas outlet formed to be spaced from each other in a first axial direction in the inner case, wherein: the inner case comprises a first segment having the hollow fiber membranes contained therein, a second segment spaced from the first segment on the basis of a second axial direction that is vertical with respect to the first axial direction, and a third segment positioned between the first segment and the second segment on the basis of the second axial direction; and the average thickness of the third segment is thinner than each of the average thickness of the first segment and the average thickness of the second segment.

Abstract: The present invention relates to a fuel cell humidifier including: a humidifying module for humidifying dry gas, supplied from outside, by using 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, and at least one cartridge which is disposed in the mid-case and accommodates a plurality of hollow fiber membranes. The fuel cell humidifier further includes a first packing member airtightly coupled to at least one end of the humidifying module through mechanical assembly so that the first cap may fluidly communicate with only the hollow fiber membranes, wherein the first packing member tightly adheres to the cartridge by using the pressure of at least one among the dry gas and wet gas.

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.

Abstract: Disclosed are: a humidifier for a fuel cell, which can reliably prevent gas leaks due to repeated operations and shutdowns of a fuel cell and can be manufactured with relatively low manufacturing costs and high productivity as well; and a method for manufacturing same. A humidifier for a fuel cell of the present invention comprises a humidification module and caps coupled to both ends of the humidification module, respectively. The humidification module comprises: a mid-case having a step on the inner peripheral surface thereof; a plurality of hollow fiber membranes in the mid-case; a fixation layer on which ends of the hollow fiber membranes are potted; a bracket which is supported by the step of the mid-case and is in contact with the fixation layer; and a packing member in contact with the bracket and having a groove into which an end of the mid-case is inserted.

Abstract: The present disclosure provides a fuel cell humidifying system for supplying humidified air to the fuel cell, and The fuel cell humidifying system according to an embodiment of the present disclosure includes: a plurality of humidifying modules configured to humidify battery gas to be supplied to a fuel cell stack by using wet gas; a humidifier configured to supply wet gas to the humidifying modules and discharge the wet gas discharged from the humidifying modules; a supply cap coupled to one side of the wet part to supply the battery gas to the humidifying modules; and a discharge cap coupled to the other side of the wet part to discharge the battery gas discharged from the humidifying modules to the fuel cell stack, and each of the humidifying modules comprises a cartridge coupled to a plurality of hollow fiber membranes, a mid-case coupled to one or more cartridges, a supply hole formed through the mid-case so that wet gas is supplied into the mid-case, and a discharge hole formed through the mid-case s

Abstract: The present invention relates to a fuel cell membrane humidifier, which improves binding force between a potting part and an inner case, and thus can maintain the binding force even if a fuel cell is repeatedly operated and stopped. A fuel cell membrane humidifier according to an embodiment of the present invention includes: a humidification module for humidifying air, supplied from the outside, with the moisture of exhaust gas discharged from a fuel cell stack; and caps, which are each coupled to the both ends of the humidification module. The humidification module includes at least one cartridge having: an inner case; a plurality of hollow fiber membranes placed inside the inner case; and a potting part which fixes the ends of the plurality of hollow fiber membranes, and which is filled in and coupled to the end part of the inner case.

Abstract: The present invention relates to a cartridge of a humidifier for a fuel cell for humidifying dry gas supplied from the outside by using wet gas discharged from a fuel cell stack, and a humidifier for a fuel cell, the cartridge including: an inner case having openings at each end thereof and containing a plurality of hollow fiber membranes; a gas inlet and a gas outlet formed in the inner case; and an adjustment cover movably coupled to the inner case, and adjusting at least one of an inflow area through which the wet gas or the dry gas flows through the gas inlet, and an outflow area through which the wet gas or the dry gas flows out through the gas outlet.

Abstract: Provided is a fuel cell membrane humidifier for which convenience of assembly may be improved because the fuel cell membrane humidifier may be directly mounted on a structure of a transportation means such as a vehicle, a ship, or an airplane or a generator system of a building without additional equipment and manufacturing convenience may be improved because mounting requirements of various clients may be met.

Abstract: The present invention relates to a membrane humidifier for a fuel cell, which can prevent a decrease in humidification efficiency due to a pressure difference between the inside and outside of a membrane humidifier, the membrane humidifier for a fuel cell, according to an embodiment of the present invention, comprising: a middle case having a module insertion part inside; a cap case coupled to the middle case; a hollow fiber membrane module inserted to the module insertion part; and a pressure buffer part between the inner wall of the middle case and the module insertion part.

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; a first cap coupled to one end of the humidifying module; and a second cap coupled to the other end of the humidifying module. The humidifying module includes: a mid-case, both ends of which are open; and at least one cartridge that is located inside the mid-case and includes a plurality of hollow fiber membranes. The distance between a second gas inlet and a second gas outlet, which are formed in an inner case of the cartridge, is greater than the distance between a first gas inlet and a first gas outlet, which are formed in the mid-case.

Abstract: Proposed are a gasket assembly and a fuel cell humidifier comprising the same which can be manufactured with improved productivity and can drastically reduce maintenance costs thereof. The gasket assembly according to an embodiment of the present disclosure is a gasket assembly for a fuel cell humidifier comprising a mid-casing, a cap fastened to the mid-casing, and at least one cartridge disposed in the mid-casing and receiving a plurality of hollow fiber membranes. The gasket assembly includes a packing part provided with a hole into which an end part of the cartridge is inserted, an edge part formed by being connected to the packing part, and a damping part formed on an outer peripheral surface of the cartridge.