Patent ID: 6651658
Filing Date: 2003-11-25
Classification: A61M,A62B,B01D,F16K

Abstract:
A portable oxygen concentrator system adapted to be readily transported by a user, comprising:an internal renewable energy source; an air separation device powered by said energy source and adapted to convert ambient air into concentrated oxygen gas for said user, the air separation device including a pump and an oxygen concentrator, the pump adapted to supply ambient air to said oxygen concentrator and said oxygen concentrator adapted to separate concentrated gaseous oxygen from supplied ambient air and including a plurality of absorber columns and a rotating valve, the rotating valve relatively rotatable with respect to the plurality of absorber columns to provide valving action for selectively transferring fluids through the plurality of absorber columns for converting ambient air into concentrated oxygen gas for said user, wherein said portable oxygen concentrator system weight 2-15 pounds.