| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a humidifier capable of performing suitable humidification, regarding the humidifier for humidifying a fluid such as air supplied to a fuel cell or the like. <P>SOLUTION: The humidifier 1 includes a hollow fiber membrane bundle 11 formed by bundling a plurality of hollow fiber membranes 12, and a cylindrical case 21 holding the hollow fiber membrane bundle 11. Air flows through inside the hollow fiber membranes 12, and cathode off-gas with different humidity from air flows through inside the case 21 and outside the hollow fiber membranes 12. The cathode off-gas flows in from an off-gas inflow part 22a of the case 21 toward an upper face 14 of the hollow fiber membrane bundle 11. A clearance structure is provided for reducing a clearance G between the hollow fiber membrane bundle 11 and the case 21 when the cathode off-gas pushes the hollow fiber membrane bundle 11 to cause the pushed hollow fiber membrane bundle 11 and the case 21 to approach or abut on each other. <P>COPYRIGHT: (C)2010,JPO&INPIT |
