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| Number | Title | Issue Date |
| 7749306 | Method of restarting feed air purifier A method of restarting a TSA apparatus includes, in the case where the TSA apparatus was stopped when or after when a temperature of a purge gas which flows out from a first adsorption column (5a) during a regeneration process became a peak temperature... | 07/06/2010 |
| 7744676 | TSA process In a TSA process of an at least two-component raw gas, to adjust for fluctuation in load, the cycle time of at least one method step is extended in the event of falling below the design load value. ... | 06/29/2010 |
| 7399342 | Systems and methods for regulating heating assembly operation through pressure swing adsorption purge control Pressure swing adsorption (PSA) assemblies with purge control systems, and hydrogen-generation assemblies and/or fuel cell systems containing the same. The PSA assemblies are operated according to a PSA cycle to produce a product hydrogen stream and a byproduct stre... | 07/15/2008 |
| 7393382 | Temperature-based breakthrough detection and pressure swing adsorption systems and fuel processing systems including the same Pressure swing adsorption (PSA) assemblies with temperature-based breakthrough detection systems, as well as to hydrogen-generation assemblies and/or fuel cell systems containing the same, and to methods of operating the same. The detection systems are adapted to de... | 07/01/2008 |
| 7354473 | NBC-building protection system and method A combined building air-conditioning unit and NBC protection system, containing an enclosed space housing a building air-conditioning unit and further including a plurality of chambers, a first chamber having an ambient air inlet port, one prefilter and a blower for... | 04/08/2008 |
| 7332017 | Method and apparatus for separation of moisture from fluids Apparatus and methods useful for removal or reduction of moisture from fluids are described. In one embodiment the apparatus comprises a moisture separation unit comprising a thermally regenerable moisture adsorption material having feed and waste sides, and means f... | 02/19/2008 |
| 7326821 | Removal of oxygenate from an olefin stream This invention is to a process for removing dimethyl ether from an olefin stream. The process includes contacting the olefin stream with a molecular sieve that has improved capacity to adsorb the dimethyl ether from the olefin stream. The molecular sieve used to rem... | 02/05/2008 |
| 7300498 | Regeneration of adsorption beds using heated nitrogen A system and method for removal of solvents, or other materials, from an exhaust stream, uses an active adsorption bed and a bed that is periodically regenerated. Electrically heated nitrogen may be used to regenerate the beds. A portion of the exhaust stream to be ... | 11/27/2007 |
| 7294172 | Helium recovery A gas recovery system comprising a source of gas having a preselected concentration of a desired component (9), at least one application (1) that adds impurities to said gas, and at least one an adsorption system (6) that purifies said gas to pr... | 11/13/2007 |
| 7279026 | Heat of compression pulse purge gas dryer A heat of compression gas drying apparatus includes an air inlet fed by a source of compressed moisture laden air, an air outlet and first and second desiccant-containing towers for processing air flowing therethrough. A portion of cooled dried air delivered to the ... | 10/09/2007 |
| 7272942 | Method and system for purifying exhaust gas The invention relates to a method and system for purifying exhaust gas, especially a solvent-containing exhaust gas from refrigerator recycling, wherein the dried, pressurized exhaust gas is cryogenically condensed, the condensed components are separated from the re... | 09/25/2007 |
| 7253413 | Gas identification system A system for identifying a gas sample includes a canister, a docking station, a thermal desorption device, and a spectrometer. The canister includes a sorbent and a valve. The docking station is configured to removably engage the canister. When the canister is engag... | 08/07/2007 |
| 7250074 | Process for separating nitrogen from methane using microchannel process technology The disclosed invention relates to a process for separating methane or nitrogen from a fluid mixture comprising methane and nitrogen, the process comprising: (A) flowing the fluid mixture into a microchannel separator, the microchannel separator comprising a plurali... | 07/31/2007 |
| 7225637 | Integrated air compression, cooling, and purification unit and process Process and apparatus for optimization of integrated air separation systems. In an integrated process for the compression, cooling, and purification of air, an adiabatic compressor compresses an air stream to produce a compressed air stream. The compressed air strea... | 06/05/2007 |
| 7197894 | Integrated process and air separation process An integrated process and air separation process including the steps of: Work expanding at least one first pressurized gas 39 derived from a first process at a first site 1, using work generated by the expansion of the at least one pressurized gas to d... | 04/03/2007 |
| 7179324 | Continuous feed three-bed pressure swing adsorption system A three-bed pressure swing adsorption system providing a constant continuous supply gas, preferably containing a hydrogen component, in a multi-step and preferably in a twelve-step, process cycle that can produce a purified gas product, preferably hydrogen, on a con... | 02/20/2007 |
| 7169210 | Control system for helium recovery The present invention relates to a gas recycling system that includes a) a source of gas having a predetermined purity; b) an application system that uses the gas and adds contaminants to the gas; c) an adsorption system for removing the contaminants from the gas to... | 01/30/2007 |
| 7153344 | Process for the preparation and recovery of carbon dioxide from waste gas or fumes produced by combustible oxidation A process for the separation and recovery of carbon dioxide from waste gases produced by combustible oxidation is described comprising the steps of feeding a flow of waste gas to a gas semipermeable material, separating a gaseous flow comprising high concentrated ca... | 12/26/2006 |
| 7143589 | Sorption cooling systems, their use in automotive cooling applications and methods relating to the same A sorption cooling system for providing cooled air to the cabin of a vehicle. The sorption cooling system includes an evaporator, a condenser adapted to fluidly communication with the evaporator, and a plurality of adsorbent beds adapted for fluid communication with... | 12/05/2006 |
| 7128775 | Radial bed flow distributor for radial pressure adsorber vessel The present invention is a pressure adsorber vessel that employs a radial adsorbent bed with a variable perforated flow distributor to provide an effective uniform fluid flow though the adsorbent bed. ... | 10/31/2006 |
| 7124596 | Downhole sorption cooling and heating in wireline logging and monitoring while drilling A cooling system in which an electronic device or other component is cooled by using one or more solid sources of liquid vapor (such as polymeric absorbents, hydrates or desiccants that desorb water at comparatively low temperature) in conjunction with one or more h... | 10/24/2006 |
| 7108736 | Method of installing a molecular sieve bed gas-enriching system A method of installing a molecular sieve bed gas enrichment system in a vehicle such as an aircraft. A system controller, a product gas distribution conduit, a high pressure gas supply conduit which extends from a high pressure gas source, and a plurality of molecul... | 09/19/2006 |
| 7101415 | Methods for regenerating process gas purifier materials A continuous method of producing a process fluid gas from a feed stream that includes the process fluid and impurities. The method includes: (a) providing a first and second vessel, each vessel containing one or more regenerable purifier materials for removing at le... | 09/05/2006 |
| 7081153 | Gas generating system and method for inerting aircraft fuel tanks The present invention provides a system and method for generation of nitrogen enriched air for inerting aircraft fuel tanks. One embodiment of the present invention includes a duct assembly; a primary heat exchanger; a gas generating system heat exchanger; a first t... | 07/25/2006 |
| 7066986 | Apparatus for use in regenerating adsorbent An adsorber vessel for use in the adsorption of a component from a gas and subsequent regeneration by thermally induced desorption of the component comprises an inlet for regeneration gas having an inlet nozzle containing at least one heater element, and an outlet f... | 06/27/2006 |
| 7048785 | Adsorbents for low vapor pressure fluid storage and delivery A fluid storage and delivery system utilizing a porous metal matrix that comprises at least one Group VIIIB metal therein. In one embodiment, the porous metal matrix forms a solid-phase metal adsorbent medium, with an average pore diameter of from about 0.5 nm to ab... | 05/23/2006 |
| 7029519 | System and method for gas recycling incorporating gas-insulated electric device A gas recycling system which has a carbon dioxide collecting device for collecting gas containing carbon dioxide from a carbon dioxide source. In the system, at least part of the gas containing sulfur hexafluoride used as an electric insulation medium in a gas-insul... | 04/18/2006 |
| 7022160 | Method of purifying gaseous nitrogen trifluoride The present invention relates to a method of purifying gaseous nitrogen trifluoride from CF4 as impurity. The method comprises selective adsorption of nitrogen trifluoride by dehydrated erionite at a temperature of from −30 to 30° C., displaceme... | 04/04/2006 |
| 7022159 | Process and apparatus for treating a feed gas A process and an apparatus related to the reduction of the level of a component in a feed gas such as air involving passing the gas to at least three parallel thermal swing adsorption zones charged with an adsorbent and operating according to an adsorption cycle, wh... | 04/04/2006 |
| 7014683 | Method for the regeneration of humidity-laden process air and arrangement for carrying out said method A method for the regeneration of humidity-laden drying cartridges includes heating to 220 to 300° C. and introducing it into a drying cartridge for regeneration. Subsequent cooling of the drying cartridge is achieved by a partial stream of air diverted from the dri... | 03/21/2006 |
| 6997970 | Oxygen/inert gas generator A gas generation method and apparatus, capable of use in an aircraft, generates oxygen with at least one On Board Oxygen Generating System (OBOGS) and generates an inert gas with at least one On Board Inert Gas Generating System (OBIGGS) and selectively supplies an ... | 02/14/2006 |
| 6974496 | Apparatus for thermal swing adsorption and thermally-enhanced pressure swing adsorption The present invention provides compact adsorption systems that are capable of rapid temperature swings and rapid cycling. Novel methods of thermal swing adsorption and thermally-enhanced pressure swing adsorption are also described. In some aspects of the invention,... | 12/13/2005 |
| 6955713 | Device for enriching air with oxygen A device for enriching air with oxygen by pressure swing adsorption in a molecular sieve bed provides for the separation of water from the air to be enriched with oxygen. The water separator is arranged directly upstream of the molecular sieve bed (8). The wa... | 10/18/2005 |
| 6945690 | System for holding paint container A holder for mixing a container of paint is disclosed. The system comprising a body having a cover and a base. The system also comprises an aperture in the cover of the body. The system also comprises a cavity in the body and accessible through the aperture and conf... | 09/20/2005 |
| 6945689 | System for holding paint container A system for mixing paint and for holding a container of paint having a cover engaging a body is disclosed. The system comprises a rotary mixer comprising a holder configured for receiving the container. The system also comprises a clamp comprising an arm configured... | 09/20/2005 |
| 6923844 | Gas separation method and device A gas separation method and apparatus that recovers efficiently principal gas components from a feed gas that includes a plurality of components, and enables supplying the product gases continuously at a stable flow rate and component concentration. A first separati... | 08/02/2005 |
| 6916359 | Ozone production processes Methods of providing ozone at a selected pressure above atmospheric pressure include supplying a purge gas supply (22) pressurized above the selected pressure to at least one ozone adsorption apparatus (12); desorbing ozone from the ozone adsorption ap... | 07/12/2005 |
| 6911066 | Method for treating a gas mixture by adsorption A method for operating a typical cyclic adsorption unit that is easily implemented in both new and existing treatment plants, wherein fluctuations in the stream compositions due to the adsorption and regeneration phase transitions of the cycles are minimized. ... | 06/28/2005 |
| 6794077 | Passive water management fuel cell A proton exchange membrane (PEM) fuel cell includes fuel and oxidant flow field plates (26, 40) having fuel and oxidant channels (27, 28; 41, 44), and water channels, the ends (29, 48) of which that are adjacent to the corresponding reactant gas... | 09/21/2004 |
| 6607582 | Method of feeding, with impure nitrogen, the combustion chamber of a gas turbine combined with an air distillation unit, and corresponding electricity generation plant The air distillation unit (2) has a low-pressure column (11C) which operates clearly above atmospheric pressure. The waste nitrogen coming from this column serves to purge, under low pressure, the air purification adsorbers (10A, 10B) in order to desorb t... | 08/19/2003 |
