Abstract: A cartridge of a fuel cell humidifier includes an inner case to be inserted into a middle case of the fuel cell humidifier for humidifying dry gas supplied from the outside using wet gas discharged from a fuel cell stack; a plurality of hollow-fiber membranes accommodated inside the inner case; a first potting part which is coupled to the inner case and which fixes one side of each of the hollow-fiber membranes; a second potting part which is coupled to the inner case and which fixes the other sides of the hollow-fiber membranes; and a link member for connecting the inner case to the middle case so that the middle case and the inner case are linked so as to move according to the pressure of the wet gas positioned inside the middle case.

Abstract: Disclosed is a membrane humidifier for a fuel cell, which can prevent, without a separate gas filtering device, performance deterioration of a fuel cell due to harmful gases during a humidifying process. The humidifier comprises: a housing unit comprising a first fluid inlet, a first fluid outlet, a second fluid inlet, and a second fluid outlet, wherein the humidity of the first fluid introduced via the first fluid inlet is different from the humidity of the second fluid introduced via the second fluid inlet; at least one first cartridge installed inside the housing unit, the first cartridge having a plurality of hollow fiber membranes therein; and a gas filter provided in the first cartridge or between the inner circumferential surface of the housing unit and the first cartridge so as to capture harmful gases contained in the first or second fluid.

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. The humidifying module includes: a mid-case; and at least one cartridge disposed in the mid-case and accommodating a plurality of hollow fiber membranes. The humidifier for a fuel cell further includes a first packing member which is air-tightly coupled to at least one end of the humidifying module through mechanical assembly so that the first cap is in fluid communication with only the hollow fiber membranes.

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.

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: 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.

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.

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: The present invention relates to a fuel cell membrane humidifier capable of preventing humidification membranes from being damaged by pressure of exhaust gas, and a fuel cell membrane humidifier according to an embodiment of the present invention comprises: a humidification module for humidifying air supplied from the outside by using water in exhaust gas discharged from a fuel cell stack; and caps coupled to opposite ends of the humidification module, respectively, wherein the humidification module comprises: a mid-case including an exhaust gas inlet through which the exhaust gas is introduced; at least one cartridge disposed in the mid-case to receive multiple humidification membranes; and a humidification membrane protection member formed on an inner wall of the mid-case through which the exhaust gas inlet is formed and inclined toward the cartridge to thus prevent the exhaust gas from coming into direct contact with the humidification membrane.

Abstract: The present invention relates to an automatic flow rate control cartridge and a fuel cell membrane humidifier comprising same, the automatic flow rate control cartridge being capable of automatically controlling the flow rate of exhaust gas that is discharged from a fuel cell stack and is introduced into the cartridge. The automatic flow rate control cartridge according to an embodiment of the present invention comprises: an inner case having formed therein a first mesh hole portion through which the exhaust gas discharged from a fuel cell stack is introduced, and a second mesh hole portion through which the exhaust gas introduced through the first mesh hole portion is moisture-exchanged and then discharged to the outside; and a flow rate control unit that is movably formed on one surface of the inner case and controls the flow rate of the exhaust gas introduced into the first mesh hole portion according to the flow rate of the exhaust gas.

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.

Abstract: The present invention relates to a cartridge of a fuel cell humidifier, and a fuel cell humidifier, wherein the cartridge of a fuel cell humidifier for humidifying dry gas supplied from the outside by using wet gas discharged from a fuel cell stack comprises: an inner case having an opening at an end and containing a plurality of hollow fiber membranes; and a first fixing layer and a second fixing layer for fixing the respective ends of the hollow fiber membranes. The inner case comprises: a first divided case and a second divided case for accommodating the hollow fiber membranes; and a first press-fitting member for coupling the first divided case and the second divided case in a press-fit manner.

Abstract: The present disclosure relates to a gasket assembly that can be manufactured with improved productivity and can dramatically reduce maintenance costs, and a fuel cell humidifier including the same. A gasket assembly according to an embodiment of the present disclosure is provided for a fuel cell humidifier including 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.

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 so t

Abstract: The present invention relates to a fuel cell membrane humidifier and a fuel cell system comprising same, wherein exhaust gas discharged from a fuel cell stack is introduced into a fuel cell membrane humidifier in both directions, whereby the humidification efficiency can be improved. The fuel cell system according to an embodiment of the present invention comprises: a blower which supplies dry gas; a fuel cell stack; and a fuel cell membrane humidifier which includes a mid-case, a first exhaust gas inlet formed at one surface of the mid-case, a second exhaust gas inlet formed at the other surface of the mid-case, and one exhaust gas outlet formed at the other surface of the mid-case.

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: A humidifier for a fuel cell is provided and includes a housing having, at a first side, a moist air supply port through which moist air is supplied from a fuel cell stack and having, at a second side, a moist air discharge port. A humidifying membrane is disposed in the housing and allows dry air to flow along the inside of the humidifying membrane. A bypass flow path is formed in the housing to allow a part of the moist air supplied to the moist air supply port to continuously flow to the moist air discharge port without passing through the humidifying membrane, thereby adjusting the amount of humidification and a differential pressure of the humidifier based on an operating condition of a fuel cell.

Abstract: A fuel cell humidifier may completely or substantially completely prevent condensate water from entering a running fuel cell stack. The fuel cell humidifier includes a housing; a plurality of hollow fiber membranes arranged in the housing; a cap which is coupled to one end of the housing and has an air discharge port for supplying humidified air to the fuel cell stack; and a bypass tube for transferring condensate water generated from the humidified air to an interior space of the housing through which a discharge gas flows, wherein a first end of the bypass tube is disposed inside the air discharge port, and the bypass tube is in fluid communication with the interior space of the housing through a second end of the bypass tube.

Abstract: The present invention relates to an assembly-type cartridge block enabling various types of cartridges, and a hollow-fiber membrane module comprising the same. The assembly-type cartridge block of an embodiment of the present invention comprises: a body part having a plurality of hollow-fiber membranes therein and having mesh parts formed respectively at the upper and lower parts thereof; and a fastening part formed on a side surface of the body part and configured to be fastened to an adjacent assembly-type cartridge block. Further, the hollow-fiber membrane module of an embodiment of the present invention comprises: a housing unit including a first fluid inlet, a first fluid outlet, a second fluid inlet, and a second fluid outlet; and a cartridge unit installed inside the housing unit and formed by fastening a plurality of assembly-type cartridge blocks, each of the assemble type cartridge blocks having a plurality of hollow-fiber membranes therein.

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. The humidifying module includes: a mid-case; and at least one cartridge disposed in the mid-case and accommodating a plurality of hollow fiber membranes. The humidifier for a fuel cell further includes a first packing member which is air-tightly coupled to at least one end of the humidifying module through mechanical assembly so that the first cap is in fluid communication with only the hollow fiber membranes.