| 摘要 |
PROBLEM TO BE SOLVED: To improve performance by reducing flow channel resistance near an inlet/outlet of a water vapor passage 25. SOLUTION: The inside of a case 3 is composed of a first area A1 having an adsorbent filling layer 22 and a second area A2 free from the adsorbent filling layer 22, the water vapor passage 25A is formed from the second area A2 toward the inside of the adsorbing filling layer 22, and an area of the water vapor passage 25A at an inlet/outlet side opened to the second area A2 is wider than an area of the passage of the inside. Thus the flow channel resistance near the inlet/outlet of the water vapor passage 25A having a high flow rate of the water vapor, can be reduced. As an adsorbed medium can smoothly enter into the inside of the water vapor passage 25A when the passage is formed into the tapered shaped without changing the inside area of each water vapor passage 25A and the total amount of the adsorbent from that of the straight shape, the performance can be improved by just that much. COPYRIGHT: (C)2009,JPO&INPIT
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