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| Number | Title | Issue Date |
| 7955423 | Solid-state membrane module Solid-state membrane modules comprising at least one membrane unit, where the membrane unit has a dense mixed conducting oxide layer, and at least one conduit or manifold wherein the conduit or manifold comprises a dense layer and at least one of a porous layer and ... | 06/07/2011 |
| 7938893 | Membrane reactor for HS, COand Hseparation A system for the selective removal of CO2, H2S, and H2 from a gaseous fluid mixture comprising CO2, H2S, and H2, which system includes a first membrane section having a nonporous metal oxide membrane,... | 05/10/2011 |
| 7771519 | Liners for ion transport membrane systems Ion transport membrane system comprising (a) a pressure vessel comprising an interior, an exterior, an inlet, an inlet conduit, an outlet, and an outlet conduit; (b) a plurality of planar ion transport membrane modules disposed in the interior of the pressure vessel... | 08/10/2010 |
| 7686868 | Membrane module for separation of fluids A membrane separation module (10) has a shell (11) having inlet port (20), outlet port (21) and a plurality of membrane units (12) disposed therebetween. Each membrane unit (12) has a plurality of elongated membrane elements... | 03/30/2010 |
| 7658788 | Ion transport membrane module and vessel system with directed internal gas flow An ion transport membrane system comprising (a) a pressure vessel having an interior, an inlet adapted to introduce gas into the interior of the vessel, an outlet adapted to withdraw gas from the interior of the vessel, and an axis; (b) a plurality of planar ion tra... | 02/09/2010 |
| 7556675 | Feed gas contaminant control in ion transport membrane systems Ion transport membrane oxidation system comprising an enclosure having an interior and an interior surface, inlet piping having an internal surface and adapted to introduce a heated feed gas into the interior of the enclosure, and outlet piping adapted to withdraw a... | 07/07/2009 |
| 7435283 | Modular fuel stabilization system A fuel stabilization system includes a first deoxygenator and a second deoxygenator both for removing dissolved oxygen from a hydrocarbon fuel. The first and second deoxygenators are arranged in parallel or series to sequentially remove a portion of dissolved oxygen... | 10/14/2008 |
| 7435284 | Parallel-plate diffusion gas dehumidifier and methods for use A parallel-plate diffusion gas dehumidifier has a treatment zone having at least one water-permeable membrane. The gas dehumidifier includes an untreated gas inlet, a treatment zone bounded by water-permeable membranes, a support structure for the membranes, access ... | 10/14/2008 |
| 7431753 | Oxygen enrichment apparatus An oxygen enrichment apparatus includes a main body including an oxygen enriching unit and a pump unit for supplying oxygen-enriched air obtained by the oxygen enriching unit to a predetermined place; a ventilating unit for suctioning exterior air into the main body... | 10/07/2008 |
| 7429287 | High efficiency gas sweetening system and method Disclosed are a method and system for sweetening a raw natural gas feed stream using a multi-stage membrane separation process, and in embodiments a two-stage membrane separation process. The method and system also include use of a gas turbine which operates with an... | 09/30/2008 |
| 7427312 | Integrated degassing and debubbling apparatus An apparatus for removing gas bubbles from a fluid includes a fluid inlet and a separation chamber that is in fluid communication with the fluid inlet. The separation chamber has first and second end portions, with the first end portion being operably oriented gravi... | 09/23/2008 |
| 7422624 | Method for operating one or more electrolysiscells for production of aluminium A method for operating one or more electrolysis cells (43, 154, 243) for production of aluminium, the cell comprising inert or substantially inert anodes, where an oxygen containing gas (21, 126, 221) evolved by the electrolysis process in the cell is ... | 09/09/2008 |
| 7410531 | Hydrogen purification membranes, components and fuel processing systems containing the same Hydrogen-producing fuel processing systems, hydrogen purification membranes, hydrogen purification devices, and fuel processing and fuel cell systems that include hydrogen purification devices. In some embodiments, the fuel processing systems and the hydrogen purifi... | 08/12/2008 |
| 7407529 | System and method for reducing thermal shock in a hydrogen diffusion cell A system and method of purifying hydrogen gas. The system includes heating elements for heating the hydrogen diffusion cell to a predetermined operational temperature. A preheater is provided for heating unpurified gases that will enter the hydrogen diffusion cell. ... | 08/05/2008 |
| 7404848 | Humidifier and a method for producing the same A humidifier and a method for producing it can reduce gas leakage through inside the surfaces of humidifying membranes or through interfaces between the humidifying membranes and separators. The humidifier includes water permeable humidifying membranes and gas separ... | 07/29/2008 |
| 7396384 | Fuel cell gas separator A fuel cell gas separator (14) between two planar solid oxide fuel cells (12) comprises a first layer (22) which is formed of a material that is impermeable to gases, a second layer (24) which is formed of a material that is impermeable t... | 07/08/2008 |
| 7396390 | Oxygen enrichment apparatus An oxygen enrichment apparatus includes an oxygen enriching unit for generating oxygen-enriched air and a discharge unit for discharging the oxygen-enriched air transferred from the suction unit. The oxygen-enriched air generated by the oxygen enriching unit has an ... | 07/08/2008 |
| 7393388 | Spiral wound fuel stabilization unit for fuel de-oxygenation A deoxygenator includes a plurality of permeable membranes spirally wound about an exhaust tube for removing dissolved oxygen from a hydrocarbon fuel. The permeable membrane is spirally wrapped about the exhaust tube and defines fuel passages and exhaust passages. T... | 07/01/2008 |
| 7393384 | Hydrogen separation using oxygen ion-electron mixed conduction membranes A process for purification of hydrogen from a stream of synthesis gas or other reformate gases is described. The process, generally conducted at temperatures of approximately 800-1000° C., involves the use of a cell in which a mixture of reformate gas and steam are... | 07/01/2008 |
| 7393392 | Hydrogen-permeable membrane and process for production thereof According to the present invention there is disclosed a hydrogen-permeable membrane which comprises a ceramic material composed of a nitride of aluminum (Al) and/or silicon (Si), an oxide of aluminum (Al) and/or silicon (Si), or a ... | 07/01/2008 |
| 7393390 | Hollow fiber membrane air drier Air is introduced from an intake chamber into a plurality of hollow fiber membranes in a casing. The casing is connected to a vacuum pump via a three-way valve and water vapor in air is evacuated through the membranes. Dehumidified or dried air is discharged from a ... | 07/01/2008 |
| 7393389 | Apparatus for seperation or synthesis of process substances An apparatus for separation or synthesis of process substances is configured with at least two cell stacks, within each of which there is arranged at least one large-area layer for the separation or synthesis and passages are formed for feeding and discharging at le... | 07/01/2008 |
| 7387731 | Filtration element and method of constructing a filtration assembly A coupler for a spiral membrane filtration element having a spiral membrane enclosed within a rigid outerwrap includes a center support, a plurality of spokes extending outwardly from the center support, a circular rim coupled with the spokes, with the face of the r... | 06/17/2008 |
| 7357830 | Device for dehumidifying room air A device for dehumidifying room air has a chamber consisting of at least one first cavity (1) and at least one second cavity (2). The cavities are separated by at least one water-permeable and/or water-vapor-permeable structure (3), these struct... | 04/15/2008 |
| 7339008 | Membranes for selective gas separation The present invention relates to the use of a hydrophilic, biocompatible and biodegradable elastomer membrane or film for the selective separation of a gas mixture. Accordingly, processes for selective gas separation of a gas mixture are provided in which a gas mixt... | 03/04/2008 |
| 7338601 | Membrane separation assemblies Assemblies for use in separation of a fluid feed. Assemblies typically include an elongated housing having a fluid feed stream inlet, a residual stream outlet and a permeate stream outlet. The housing contains at least one membrane separation element to form a membr... | 03/04/2008 |
| 7335247 | Ion transport membrane module and vessel system An ion transport membrane system comprising (a) a pressure vessel having an interior, an exterior, an inlet, and an outlet; (b) a plurality of planar ion transport membrane modules disposed in the interior of the pressure vessel and arranged in series, each membrane... | 02/26/2008 |
| 7331342 | Oxygen humidifier An apparatus and method for separating breathable oxygen gas from a source of gas and then humidifying the oxygen gas while preventing over humidification of the oxygen gas, the apparatus comprising a gas pathway located on a first side of a water transfer member, a... | 02/19/2008 |
| 7329310 | Filter module The invention relates to a filter module having a module housing and at least one filter element. The filter module has at least one inlet opening, at least one filtrate outlet and a module housing having at least one joint line. ... | 02/12/2008 |
| 7323040 | Membrane module for the separation of hydrogen and method for the production thereof A membrane module for the separation of hydrogen is configured for parallel flows and contains a plurality of planar membrane cells which respectively comprise two hydrogen-selective planar membranes respectively surrounded by a flat membrane frame. An air-permeable... | 01/29/2008 |
| 7323033 | Nanostructured surfaces having variable permeability A nanostructured substrate is disclosed having a plurality of substrate openings disposed between the nanostructures on the substrate. When a desired fluid comes into contact with the substrate, at least a portion of the fluid is allowed to pass through at least one... | 01/29/2008 |
| 7320288 | Steam-generating combustion system and method for emission control using oxygen enhancement A steam-generating combustion system includes an oxygen enriched gas provided as at least part of an oxidant stream. A combustion chamber receives and combusts a fuel in the oxidant stream and generate steam. The combustion chamber generates flue gas having a flue g... | 01/22/2008 |
| 7320361 | Heat exchanger A known heat exchanger has a lower rate of blocking the movement of moisture through the joint as compared to a joint bonded with a moisture impermeable adhesive because the corrugated and flat substrates are bonded with thermoplastic fibers by performing heating an... | 01/22/2008 |
| 7311985 | Device and method for supplying hydrogen to a fuel cell, and the use thereof for electric vehicle traction A device used to supply a gas mixture including hydrogen and carbon monoxide at a concentration not exceeding 100 ppm to a main fuel cell which is supplied with air. The device includes a reformer, which is used to convert a fuel into a gas mixture including carbon ... | 12/25/2007 |
| 7311760 | Temperature-humidity exchanger Provided is an inexpensive temperature-humidity exchanger having reliably gas-sealed gas manifolds and delivering a gas at high pressure and high dew-point temperature. Upper and lower seal portions surrounding gas manifolds to which the gas is supplied or from whic... | 12/25/2007 |
| 7311830 | Filtration element and method of constructing a filtration assembly A coupler for a spiral membrane filtration element having a spiral membrane enclosed within a rigid outerwrap includes a center support, a plurality of spokes extending outwardly from the center support, a circular rim coupled with the spokes, with the face of the r... | 12/25/2007 |
| 7311755 | Control of differential strain during heating and cooling of mixed conducting metal oxide membranes Method of operating an oxygen-permeable mixed conducting membrane having an oxidant feed side and a permeate side, which method comprises controlling the differential strain between the oxidant feed side and the permeate side by varying either or both of the oxygen ... | 12/25/2007 |
| 7309385 | Efficient 3-D nanostructured gas separation membranes There is provided a high efficient gas separation membrane of two or more layers, which comprises a separating layer of 3-dimensional nanostructure and a supporting layer, wherein the 3-dimensional nanostructure can maximize a surface area per unit permeation area. | 12/18/2007 |
| 7279027 | Planar ceramic membrane assembly and oxidation reactor system Planar ceramic membrane assembly comprising a dense layer of mixed-conducting multi-component metal oxide material, wherein the dense layer has a first side and a second side, a porous layer of mixed-conducting multi-component metal oxide material in contact with th... | 10/09/2007 |
| 7258725 | Gas supplying method and system Gas supplying method and system in which effective component gas in exhaust gas can be separated and purified efficiently to be resupplied regardless of variation in the flow rate or composition of the exhaust gas and consumed gas can be replenished efficiently. In ... | 08/21/2007 |
