Portable oxygen concentration system and method of using the same
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United States of America Patent
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Feb 17, 2004
Issued Date -
N/A
app pub date -
Apr 29, 2002
filing date -
Aug 3, 2000
priority date (Note) -
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Abstract
A portable oxygen concentrator system adapted to be readily transported by a user includes a rechargeable energy source and a concentrator powered by the energy source. The concentrator converts ambient air into concentrated oxygen gas for the user and includes a plurality of adsorption beds and a rotary valve assembly. The rotary valve assembly is relatively rotatable with respect to the plurality of adsorption beds to provide valving action for selectively transferring fluids through the plurality of adsorption beds for converting ambient air into concentrated oxygen gas for the user. The ratio of adiabatic power to oxygen flow for the concentrator is in the range of 6.2 W/LPM to 23.0 W/LPM.
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