B - Operations – Transporting – 01 – D
Patent
B - Operations, Transporting
01
D
B01D 53/053 (2006.01) A61M 16/10 (2006.01) B01D 53/047 (2006.01) F17C 5/06 (2006.01) F17C 7/00 (2006.01)
Patent
CA 2228459
The present invention addresses the technical problem of supplying oxygen- enriched air at low pressures with sufficient flexibility to allow a patient to be moved from one location to another. The gist of the solution is to provide low pressure oxygen-enriched air for use by a patient as well as high pressure oxygen-enriched air for filling a pressure cylinder. To that end, an apparatus is set forth for providing oxygen-enriched air at a first pressure and at a second pressure, the second pressure being greater than the first pressure. The apparatus comprises, in combination, a pressure swing adsorption system and a pressure intensifier. The pressure swing adsorption system for enriching the oxygen content of air has a pressure of at least the first pressure. The pressure swing adsorption system is adapted to provide oxygen- enriched air to a first outlet at the first pressure and to provide oxygen-enriched air to a pressure intensifier at the first pressure. The pressure intensifier pressurizes the oxygen-enriched air and provides the oxygen-enriched air to a second outlet at the second pressure.
Coffield Kelly M.
Henneman John W.
Mcculloh Kevin Gene
Selhost Dale Louis
Carleton Life Support Systems Inc.
Litton Systems Inc.
Sim & Mcburney
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