Compact portable oxygen concentrator
AssigneeInogen, Inc.
InventorsBrenton Alan Taylor, Peter James Hansen, Daniel Wayne Chin, Patrick Fitzlindon Burgess, Michael Pollack
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Abstract
An adsorber for a gas concentrator includes an adsorbent material having adsorbent particles and a vessel housing the adsorbent material. The vessel includes a vessel wall having a non-circular cross section and at least one stiffening support. A combination of a thickness of the vessel wall and a stiffness of the stiffening support is sufficient to limit deformation of the vessel wall to at least one of less than 0.1 mm and less than 25% of an average diameter of the adsorbent particles under a pressure swing of at least 30 psi within the vessel.
Claims23
A gas concentrator, comprising:
- an adsorber, the adsorber comprising:
- an adsorbent material comprising adsorbent particles;
- and
- a vessel housing the adsorbent material, the vessel comprising:
- a vessel wall having a non-circular cross section, the vessel wall having a thickness of at least 0.030 inches;
- and
- at least one stiffening support, the at least one stiffening support comprising a stiffening rib extending at least one of across an internal chamber of the vessel and along an interior wall surface of the internal chamber of the vessel;
- wherein a combination of the thickness of the vessel wall and a stiffness of the at least one stiffening support is sufficient to limit deformation of the vessel wall to less than 0.1 mm under a pressure swing of at least 30 psi within the vessel during a pressure swing adsorption cycle, wherein a weight of the gas concentrator is between 2 pounds and 7 pounds, wherein a size of the gas concentrator is between 25 cubic inches and 200 cubic inches.
A gas concentrator, comprising:
- an adsorber, the adsorber comprising:
- an adsorbent material comprising adsorbent particles;
- and
- a vessel housing the adsorbent material, the vessel comprising:
- a vessel wall having a non-circular cross section;
- and
- at least one stiffening support;
- wherein a combination of a thickness of the vessel wall and a stiffness of the at least one stiffening support is sufficient to limit deformation of the vessel wall to less than 0.1 mm under a pressure swing of at least 30 psi within the vessel during a pressure swing adsorption cycle, and
- wherein the vessel wall at least partially defines an internal chamber of the vessel, the internal chamber being defined by a top surface and a bottom surface, wherein the internal chamber is configured to house the adsorbent material, wherein the at least one stiffening support is positioned within the internal chamber between the top surface and the bottom surface and comprises a stiffening rib extending at least one of across the internal chamber of the vessel and along an interior wall surface of the internal chamber of the vessel.
A gas concentrator, comprising:
- an adsorber, the adsorber comprising:
- an adsorbent material comprising adsorbent particles;
- and
- a vessel housing the adsorbent material, the vessel comprising:
- a vessel wall having a non-circular cross section;
- and
- at least one stiffening support integral with the vessel wall;
- wherein a cross section of the adsorber is at least 90% filled with the adsorbent material,
- wherein a weight of the gas concentrator is between 2 pounds and 7 pounds.
Dependencies are inferred from the claim text.