Oxygen generating device

B - Operations – Transporting – 01 – D

Patent

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Details

B01D 61/42 (2006.01) A62B 7/14 (2006.01) C01B 13/02 (2006.01)

Patent

CA 2187368

A method of controlling an oxygen generation device of the kind including a ceramic membrane through which an electrical current is passed whilst ambient air is supplied to one side of the membrane, the membrane allowing oxygen in the supplied air to diffuse therethrough by ionic transport when the membrane is at or above an operating temperature, at a rate dependant upon the electrical current, there being a plenum or the like to recover the oxygen at a second side of the membrane, the method comprising regulating the electrical current passing through the membrane by switching the electrical current on and off and varying the proportion of current-on time in a given time interval in dependence upon a feedback signal.

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