Patent ID: 9461318
Filing Date: 2016-10-04
CPC Classification: H01M,Y02E

Claim Text:
1. A humidifier for a fuel cell, comprising: a membrane module having bundles of hollow fiber membranes disposed in the membrane module; a first inlet injecting discharged gas from a cathode of the fuel cell; a first outlet discharging humidified air from an interior of the membrane module; a second inlet injecting dry air supplied via an air compressor into the interior of the membrane module; a second outlet discharging the discharged gas from which moisture is removed; and a bypass line inserted into an interior of a manifold in which the second inlet is formed, and supplying a portion of the dry air supplied from the air compressor to the membrane module, wherein an open and close valve selectively connecting the bypass line to the air supplying line is installed at a connected point of the bypass line and an air supplying line connecting the air compressor to the manifold, and wherein the humidifier is configured to exchange moisture between the discharged gas from the cathode of the fuel cell and the dry air supplied via the air compressor and supply the humidified air to the cathode.