Real-Time Gas Concentrator
The U.S. Navy seeks to commercialize U.S. Patent 6,517,610 (Micro-electro-mechanical gas concentrator).
The micro-electro-mechanical system (MEMS) gas concentrator allows for the real-time extraction/concentration of a gaseous component from a gas mixture (e.g., oxygen from air) through the use of novel miniaturized extraction units. In each unit, an adsorbent member moves between two regions selectively adsorbing the gas in the first region and desorbing it in the second region. This results in a pumping action that concentrates the gaseous component from one region to the other. O2 extraction/concentration is one primary application of this technology. This approach could provide a replacement for compressed gas bottles used in the medical market. Two different implementations for O2 concentration are shown in diagrams A and B.
O2 application: Projected adsorbent characteristics
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- SD 629, February 2006. SSC Pacific, San Diego, CA 92152–5001. Approved for public release; distribution is unlimited.