Oxygen concentrating apparatus

Gas separation: apparatus – Solid sorbent apparatus – Plural solid sorbent beds

Reexamination Certificate

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Details

C128S204230, C128S204260, C128S205120, C128S205240, C128S205270

Reexamination Certificate

active

10973286

ABSTRACT:
An oxygen concentrating apparatus including an output variable type compressor. Oxygen-concentrated gas may be supplied either continuously or synchronized with inhalation or timing of inhalations. In one aspect, when synchronous operation is selected, the compressor is operated at a lower output in comparison with continuous supply operation. In a second aspect, when synchronous operation is selected, the supply quantity of oxygen-concentration gas is set to zero during the exhalation period.

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patent: 6446630 (2002-09-01), Todd, Jr.
patent: 2002/0040714 (2002-04-01), Yagi et al.
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patent: 2002-253676 (2002-09-01), None
patent: 2003-126261 (2003-05-01), None
patent: 2003-146621 (2003-05-01), None
patent: 2003-180837 (2003-07-01), None
patent: 2003-275313 (2003-09-01), None
patent: 2003-286009 (2003-10-01), None

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