Apparatus for separating oxygen from ambient air
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United States of America Patent
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Mar 12, 2013
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N/A
app pub date -
Jul 20, 2010
filing date -
Jul 22, 2009
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Abstract
An apparatus for separation of gases from ambient air that has at least one separation column with an inlet at a first end and an outlet at a second end, a buffer column having a single inlet at a first end, a vacuum pump, and a valve system that connects the vacuum pump to the outlet at the first end of the separation column, and that connects the outlet at the second end of separation column to the single inlet at the first end of the buffer column.
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