Gas generating system
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United States of America Patent
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Nov 20, 2001
Grant Date -
N/A
app pub date -
Oct 25, 1999
filing date -
Oct 29, 1998
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A gas generating system for generating a supply of oxygen or at least an oxygen rich gas, and a residual gas, the system including a first gas separation device for separating from a supply gas, a first gas being oxygen enriched gas, to leave a residual gas. The first oxygen enriched gas from the first gas separation device is communicated to a second gas separation device for further separating from the first oxygen enriched gas, oxygen gas. The second gas separation device generating a product gas which is at least highly oxygen enriched and a further residual gas, with at least one of the first and second gas separating devices including a ceramic membrane through which in use gas ions diffuse.
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