Oxygen concentrator apparatus and method having an ultrasonic detector
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United States of America Patent
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May 16, 2017
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Aug 25, 2010
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Sep 6, 2007
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Abstract
An oxygen concentrator may rely on a pressure swing adsorption process to produce an oxygen enriched gas stream from canisters filled with granules capable of separation of oxygen from an air stream. The adsorption process uses a cyclical pressurization and venting of the canisters to generate an oxygen enriched gas stream. Coupling an oxygen concentration sensor to the generated oxygen enriched gas stream may allow monitoring of the purity of the produced gas.
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