Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
David G. Doman0
Bowie G. Keefer0
Date of Patent
January 22, 2008
Patent Application Number
10823471
Date Filed
April 12, 2004
Patent Citations Received
0
Patent Primary Examiner
Patent abstract
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 controls cooperating with the rotary distributor valves to control the volume rates of gas flows to and from the adsorbent beds in blowdown, purge, equalization and repressurization steps.
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