| 摘要 |
PROBLEM TO BE SOLVED: To provide a pressure variable adsorbing type oxygen concentrator promoting nitrogen gas desorption from an adsorbent and enhancing oxygen generating efficiency. SOLUTION: The pressure variable adsorbing type oxygen concentrator includes two or more of adsorbing beds accommodating at least the adsorbent adsorbing nitrogen more than oxygen, a compressing means, a switching means, and a purge gas communication path for communicating the adsorbing beds and is characterized by heating purge gas flowing through the purge gas communication path using the heat released from the compressing means. COPYRIGHT: (C)2009,JPO&INPIT
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