B - Operations – Transporting – 01 – D
Patent
B - Operations, Transporting
01
D
183/23
B01D 53/30 (2006.01)
Patent
CA 1265068
ABSTRACT OF THE DISCLOSURE In an improved oxygen concentrator the oxygen concentration of the product gas is monitored by a self- calibrating sensing apparatus. In a preferred embodiment, a microprocessor adjusts the timing cycle for charging the sieve beds to maintain a selected product oxygen concentration. In another preferred embodiment, the power consumption of the compressor is minimized automatically by the microprocessor depending on the amount of product gas withdrawn from the concentrator.
476597
Hudson Oxygen Therapy Sales Company
Rowland Robert O.
Smart & Biggar
LandOfFree
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