| abstract |
There is disclosed a membrane humidifier for a fuel cell system, wherein the membrane humidifier comprises a plurality of membrane layers, a first pair of spaced sealing bars disposed between a first membrane layer and a second membrane layer adjacent the peripheral edges thereof to form a first flow channel, a second pair of spaced sealing bars between the second membrane layer and a third membrane layer adjacent the peripheral edges thereof to form a second flow channel and having a plurality of carriers, wherein a first carrier is disposed adjacent to the second planar layer and extends and extends between the second pair of spaced sealing bars second carrier is disposed adjacent to the third planar layer and extends between the second pair of spaced sealing bars. |