Is a
Patent attributes
Current Assignee
Patent Jurisdiction
Patent Number
Patent Inventor Names
William R. Wilkinson0
Allan Sten Westersten0
H. David Shockley, Jr.0
Date of Patent
May 16, 2017
Patent Application Number
12868368
Date Filed
August 25, 2010
Patent Primary Examiner
Patent 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. The oxygen concentrator system may operate in multiple modes, automatically determined or selected by the user, to take into account the different activity levels of the user.
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