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| Number | Title | Issue Date |
| 7387849 | Hydrogen recycle for solid oxide fuel cell The present disclosure relates to solid oxide fuel cells (SOFCs) exploiting gas separation devices in which a first gas mixture including components A (for example hydrogen) and B (for example carbon dioxide) is to be separated so that a first product of the separat... | 06/17/2008 |
| RE40006 | Flow regulated pressure swing adsorption system Pressure swing adsorption (PSA) separation of a gas mixture is performed in an apparatus with a plurality of adsorbent beds. The invention provides rotary multiport distributor valves to control the timing sequence of the PSA cycle steps between the beds, with flow ... | 01/22/2008 |
| 7285350 | Enhanced solid oxide fuel cell systems Enhanced high temperature fuel cell systems, such as solid oxide fuel cell systems and molten carbonate fuel cell systems are disclosed. Embodiments of the disclosure include solid oxide and molten carbonate fuel cell systems incorporating gas separation apparati fa... | 10/23/2007 |
| 7250073 | Life support oxygen concentrator Gas separation by pressure swing adsorption (PSA) and vacuum pressure swing adsorption (VPSA), to obtain a purified product gas of the less strongly adsorbed fraction of the feed gas mixture, is performed with an apparatus having a plurality of adsorbers. The adsorb... | 07/31/2007 |
