US Patent 6896721 Motor start-up unloading in an oxygen concentrator
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Patent abstract
An oxygen concentrator is controlled during start-up to rapidly shuttle the sieve beds between communication with the pump and atmospheric pressure, so the pressure in the sieve beds is relieved while the pump motor is starting up. After the start-up period, the sieve beds are alternately connected to the pump and atmospheric pressure for longer continuous periods.
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Patent Inventor Names
William Harry Lynn0
Date of Patent
May 24, 2005
0Patent Application Number
102641820
Date Filed
October 3, 2002
0Patent Primary Examiner
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US Patent 6896721 Motor start-up unloading in an oxygen concentrator
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