Patent ID: 6554261
Filing Date: 2003-04-29
Classification: F24F,H01M,Y02E

Abstract:
A humidifier for a fuel cell system comprising:a housing; a plurality of bundles of water permeable hollow fiber membranes provided in the housing, each of the bundles having a large number of the water permeable hollow fiber membranes arranged along the longitudinal direction of the housing, wherein two different gasses containing different water contents are supplied, one of the two different gasses containing large water contents being passed through an inside the water permeable hollow fiber membranes, while the other gas containing lesser water contents being passed through an outside of the water permeable hollow fiber membranes, respectively, to exchange water contents to humidify the gas containing lesser water contents; and a heating means that is embedded in the bundles of the water permeable hollow fiber membranes and has a plurality of fins to supply heat calorie to the bundles of the hollow fiber membranes.