An oxygen separator for generating an oxygen-enriched gas from an oxygen comprising gas, said oxygen separator comprising: a) an oxygen separator device comprising i) a sorbent material for sorbing at least one component of the oxygen comprising gas; and ii) at least two controllable interfaces, com
An oxygen separator for generating an oxygen-enriched gas from an oxygen comprising gas, said oxygen separator comprising: a) an oxygen separator device comprising i) a sorbent material for sorbing at least one component of the oxygen comprising gas; and ii) at least two controllable interfaces, comprising a first controllable interface and a second controllable interface, for controlling the communication of gas between the inside and the outside of the oxygen separator device, b) a processor for controlling the oxygen separator such that a plurality of phases are sequentially carried, amongst them a purging phase; wherein the processor is configured to control the at least two controllable interfaces such that a flow of gas is generated between the first controllable interface and the second controllable interface during at least the purging phase, wherein the second controllable interface is located and/or controlled such that it controls the fluidic coupling between the inside of the oxygen separator device and a volume of non-oxygen-enriched gas during the purging phase.
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1. An oxygen separator for generating an oxygen-enriched gas from an oxygen comprising gas, said oxygen separator comprising: (a) an oxygen separator device comprising: (1) an inlet end for receiving the flow of oxygen comprising gas;(2) an outlet end opposite the inlet end for outputting a flow of
1. An oxygen separator for generating an oxygen-enriched gas from an oxygen comprising gas, said oxygen separator comprising: (a) an oxygen separator device comprising: (1) an inlet end for receiving the flow of oxygen comprising gas;(2) an outlet end opposite the inlet end for outputting a flow of oxygen-enriched gas;(3) a sorbent material having a feeding end and a product end for sorbing at least one component other than oxygen of the oxygen comprising gas; and(4) at least three controllable interfaces, comprising a first, feed-side, controllable interface at the inlet end configured to control the communication of an oxygen-comprising gas between the inside and the outside of the oxygen separator device, a second controllable interface configured to control the communication of a non-oxygen-enriched gas between the inside and the outside of the oxygen separator device, and a third, product-side, controllable interface at the outlet end for controlling the communication of an oxygen-enriched gas between the inside and the outside of the oxygen separator device; and(b) a processor configured to control the oxygen separator such that a plurality of operational phases are sequentially carried out, amongst them a purging phase for purging the sorbent material thereby to release said sorbed at least one component of the oxygen-comprising gas, wherein the processor is configured to control the at least three controllable interfaces such that a flow of gas is generated between the first controllable interface and the second controllable interface during at least the purging phase, wherein the second controllable interface is located between the first controllable interface and the third controllable interface, at a distance from the feeding end of approximately eighty percent, 80%, or less of the distance separating the feeding end and the product end of the sorbent material and the second controllable interface is configured to control the fluidic coupling between the inside of the oxygen separator device and a volume of non-oxygen-enriched gas during the purging phase, such that the non-oxygen-enriched gas is used to purge the sorbent material. 2. The oxygen separator of claim 1, wherein the third controllable interface is configured to control the fluidic coupling between the inside of the oxygen separator device and the volume of oxygen-enriched gas during at least the purging phase, wherein the processor is further configured such that a further flow of gas between the third controllable interface and the first controllable interface or the second controllable interface is generated during the purging phase. 3. The oxygen separator of claim 1, wherein the second controllable interface is fluidically coupled to a reservoir for hosting the volume of non-oxygen-enriched gas. 4. The oxygen separator of claim 1, wherein one of the at least three controllable interfaces is coupled to a fan for generating the flow of non-oxygen-enriched gas. 5. The oxygen separator of claim 3, wherein one of the at least three controllable interfaces is coupled to a vacuum pump for generating the flow of non-oxygen-enriched gas. 6. The oxygen separator of claim 1, wherein the sorbent material is at least one taken from the list of: i) Li-LSX zeolite, ii) Na—X zeolite, iii) Carbon Molecular Sieve (CMS), and iv) Metal-Organic Frameworks (MOFs). 7. The oxygen separator of claim 1, wherein the processor is configured to control the first controllable interface, the second controllable interface and the third controllable interface such that: the flow of gas is directed from the second controllable interface (111) towards the first controllable interface; andthe further flow of gas is directed from the third controllable interface towards the first controllable interface, wherein the first controllable interface is configured to output gas from the oxygen separator device. 8. The oxygen separator of claim 7, wherein the processor is configured to control the first controllable interface, the second controllable interface and the third controllable interface such that: the flow of gas is directed from the first controllable interface (110) towards the second controllable interface; andthe further flow of gas is directed from the third controllable interface towards the second controllable interface, wherein the second controllable interface is configured to output gas from the oxygen separator device. 9. The oxygen separator of claim 1, wherein the first controllable interface, the second controllable interface and the third controllable interface respectively comprise a first valve, a second valve and a third valve, wherein the processor is further configured to regulate the valves during the purging phase so that the flow of gas and/or the further flow of gas is generated. 10. A method of controlling the oxygen separator of claim 1 to generate the oxygen-enriched gas from the oxygen comprising gas, the method comprising the steps of: controlling the oxygen separator such that the plurality of operational phases are sequentially carried out, amongst them the purging phase for purging the sorbent material thereby to release said sorbed at least one component of the oxygen-comprising gas; controlling the at least three controllable interfaces such that a flow of gas is generated between the first controllable interface and the second controllable interface during at least the purging phase; and controlling the second controllable interface such that it controls the fluidic coupling between the inside of the oxygen separator device and a volume of non-oxygen-enriched gas during the purging phase, such that the non-oxygen-enriched gas is used to purge the sorbent material. 11. The method of claim 10 further comprising the steps of: controlling the third controllable interface such it controls the fluidic coupling between the inside of the oxygen separator device and a volume of oxygen-enriched gas during at least the purging phase; andgenerating a further flow of gas between the third controllable interface and the second controllable interface or the first controllable interface during the purging phase. 12. The oxygen separator of claim 1, wherein the sorbent material extends from the inlet end of the oxygen separator device. 13. The oxygen separator of claim 1, wherein the second controllable interface is located at a distance from the feeding end of the sorbent material of between 45% and 80% of the distance separating the feeding end and the product end of the sorbent material. 14. The method of claim 10, wherein the non-oxygen-enriched gas is ambient air.
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이 특허에 인용된 특허 (9)
Izumi Jun (Nagasaki JPX) Tanabe Seiichi (Tokyo JPX) Ohshima Kazuaki (Tokyo JPX), Gas mixture separator utilizing pressure modulation.
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