| CPC H01M 8/04149 (2013.01) | 16 Claims |
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1. A humidifier for a fuel cell, the humidifier comprising:
a humidifying module configured to humidify gas supplied from outside using moisture in off-gas discharged from a fuel cell stack; and
caps coupled respectively to opposite ends of the humidifying module,
wherein the humidifying module comprises:
a mid-case open at opposite ends thereof;
a plurality of hollow fiber membranes disposed in the mid-case;
a fixing layer in which ends of the hollow fiber membranes are potted; and
a composite gasket having a groove into which the end of the mid-case is inserted,
wherein the composite gasket comprises:
an inner body based on the groove, the inner body being located inside the mid-case;
an outer body based on the groove, the outer body being located outside the mid-case; and
a connecting body located between the inner body and the outer body, the connecting body being formed of a first material,
wherein at least a portion of the inner body is adhered to the fixing layer and is formed of a second material different from the first material,
wherein the inner body comprises:
a first part directly connected to the connec a bei g fc ned of the first material; and
a second part adhered to the first part and to the fixing laver, the second part being formed the second material,
wherein, together with the outer body and the connecting body, the first part of the inner body constitutes a packing part formed of the first material,
wherein the second part of the inner body constitutes a bracket part formed of the second material, and
wherein the packing part and the bracket part are integrally formed through injection molding.
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