| 摘要 |
PROBLEM TO BE SOLVED: To provide an oxygen concentrator preventing the deterioration of an adsorbent due to condensed water in pipes from a compressor to an adsorption column. SOLUTION: In the oxygen concentrator 1, an adsorption column 5 is arranged in the upper portion in the casing 2, a switching valve 6 is arranged in the lower portion in the adsorption column 5, a silencer 8 is arranged in the lower side of the switching valve 6, a pipe 23 connecting the adsorption column 5 and the switching valve 6 is formed substantially vertical, at least a part of the pipe 24 connecting the switching valve 6 and the silencer 8 is formed substantially vertical, and a moisture discharging passage 10 for discharging condensed water in the pipe is formed with the pipes 23, 24. COPYRIGHT: (C)2009,JPO&INPIT
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