Method of controlling the rate of oxygen produced by an oxygen concentrator
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United States of America Patent
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Aug 3, 2010
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app pub date -
Feb 9, 2005
filing date -
Feb 9, 2005
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Abstract
A method of providing concentrated oxygen product gas to a patient. The method comprises producing product gas by a vacuum swing adsorption (VSA) process with an oxygen concentrator comprising a plurality of separation columns connected to a vacuum source driven by a motor. Separated product gas is then pumped to a product reservoir. The pressure of the reservoir is monitored and used to adjust the speed of the motor based on the reservoir pressure. The separated gas is then delivered to the patient.
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