Portable oxygen concentration system

A - Human Necessities – 61 – M

Patent

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Details

A61M 16/10 (2006.01) A61M 16/00 (2006.01) A62B 7/10 (2006.01) A62B 9/00 (2006.01) A62B 19/00 (2006.01) A62B 23/02 (2006.01)

Patent

CA 2484982

A portable oxygen concentrator system (100) adapted to be readily transported by a user includes a rechargeable energy source (104) and a concentrator (114) powered by the energy source (104). The concentrator (114) converts ambient air into concentrated oxygen gas for the user and includes a plurality of adsorption beds (300) and a rotary valve assembly (310). The rotary valve assembly (310) is relatively rotatable with respect to the plurality of adsorption beds (300) to provide valving action for selectively transferring fluids through the plurality of absorption beds (300) for converting ambient air into concentrated oxygen gas for the user. The ratio of adiabatic power to oxygen flow for the concentrator (114) is in the range of 6.2 W/LPM to 23.0 W/LPM.

La présente invention a trait à un concentrateur d'oxygène portable apte à être aisément transporté par un utilisateur comportant une source d'énergie rechargeable et un concentrateur alimenté par la source d'énergie. Le concentrateur convertit l'air ambiant en gaz oxygène concentré destiné à l'utilisateur et comporte une pluralité de lits d'adsorption et un ensemble de soupape rotative. L'ensemble de soupape rotative est entraîné en rotation par rapport à la pluralité de lits d'adsorption en vue de fournir une action de soupape pour le transfert sélectif de fluides à travers la pluralité de lits d'adsorption en vue de la transformation de l'air ambiant en gaz oxygène concentré destiné à l'utilisateur. Le rapport de la puissance adiabatique à l'écoulement d'oxygène pour le concentrateur est compris entre 6,2 W/LPM et 23,0 W/LPM.

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