A - Human Necessities – 62 – B
Patent
A - Human Necessities
62
B
A62B 7/14 (2006.01) A61M 16/00 (2006.01) B01D 53/04 (2006.01) B01D 53/047 (2006.01)
Patent
CA 2438457
An oxygen concentrator system with altitude compensation includes at least one oxygen concentrator sub-system and a plenum subsystem. The at least one oxygen concentrator sub-system produces oxygen-enriched air which is outputted to both the oxygen concentrator system output and to a plenum chamber within the plenum subsystem. The plenum chamber is trickle charged with the oxygen-enriched air when the at least one oxygen concentrator sub-system produces an excess amount of oxygen- enriched air. Should the demand for oxygen-enriched air exceed the capability of the at least one oxygen concentrator sub-system, additional oxygen-enriched air is provided by the plenum chamber until such time that the capability of the at least one oxygen concentrator sub-system exceeds the demand for oxygen-enriched air. At that time, oxygen-enriched air is no longer provided by the plenum chamber but rather the plenum chamber is again trickle charged. A monitor/controller having an absolute pressure transducer controls the cycle times of the oxygen concentrator subsystem in accordance with an ambient barometric pressure measured by the absolute pressure transducer.
Byrd Gary
Cao Tuan Q.
Carleton Life Support Systems Inc.
Litton Systems Inc.
Perry + Currier
LandOfFree
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