B - Operations – Transporting – 01 – D
Patent
B - Operations, Transporting
01
D
B01D 53/047 (2006.01) B01D 53/04 (2006.01) F16K 11/072 (2006.01)
Patent
CA 2535247
According the present invention, an oxygen enriched gas is generated by adsorbing and removing nitrogen gas from air with an oxygen concentrating apparatus which conducts the steps of (1) pressurizing one of the adsorption cylinders by directing the compressed air; (2) removing the oxygen enriched gas from said one of the adsorption cylinders to the output conduit; (3) reducing the pressure in said one of the adsorption cylinders by directing the oxygen enriched gas into one of the other adsorption cylinders to increase the pressure in the one of the other adsorption cylinders; (4) evacuating the internal gas out of said one of the adsorption cylinders; and (5) increasing the pressure in said one of the adsorption cylinders by directing the oxygen enriched gas into said one of the adsorption cylinders from one of the other adsorption cylinders in which the pressure is decreased in step (3).
Selon l'invention, un gaz enrichi en oxygène est généré par adsorption et élimination d'azote gazeux de l'air, au moyen d'un concentrateur d'oxygène. Un procédé est mis en oeuvre, qui consiste à: 1) mettre sous pression un des cylindres d'adsorption par orientation de l'air comprimé; 2) éliminer le gaz enrichi en oxygène du (des) cylindre(s) d'adsorption par le conduit d'évacuation; 3) diminuer la pression dans le(s) cylindre(s) d'adsorption par acheminement du gaz enrichi en oxygène vers un des autres cylindres d'adsorption afin d'y augmenter la pression; 4) évacuer le gaz intérieur du (des) cylindre(s) d'adsorption; et 5) augmenter la pression dans le(s) cylindre(s) d'adsorption en dirigeant le gaz enrichi en oxygène vers un des autres cylindres d'adsorption, à partir d'un des autres cylindres d'adsorption dans lequel la pression a été diminuée à l'étape 3.
Borden Ladner Gervais Llp
Teijin Pharma Limited
LandOfFree
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