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7628965 Advanced carbon dioxide fuel tank inerting system with desulfurization  
A gas generating system comprises a catalytic reactor in fluid communication with a sulfur separator. The catalytic reactor oxidizes a fuel to provide a supply of carbon dioxide. The sulfur...
7618477 Plane structure formed from a matrix and phase change material usable for treating gases  
The invention relates to an installation for separating or purifying gases comprising at least one gas treatment vessel, characterized in that the vessel comprises at least one plane structure...
7604682 Apparatus and process for the purification of air  
A gas purification unit includes a gas purification vessel ( 12 ) and at least one of inlet conduit means ( 18, 20, 34 ) for connecting a feed gas source ( 16 ) to the gas purification vessel and...
7601189 Filtration method and a filter device for removing impurities from the air of a limited space and an apparatus for removing carbon dioxide from the air of an air-raid shelter  
A filtering method and a filter device ( 10 ) for removing impurities from the breathing air ( 24 ) in a room, an air raid shelter or a vehicle. According to the filtering method, the air to be...
7591880 Fuel cell anode exhaust fuel recovery by adsorption  
A method of operating a fuel cell system includes providing a fuel inlet stream into a fuel cell stack, operating the fuel cell stack to generate electricity and a hydrogen containing fuel exhaust...
7591879 Integration of rapid cycle pressure swing adsorption with refinery process units (hydroprocessing, hydrocracking, etc.)  
The present invention is a method for operating a rapid cycling pressure swing adsorption (RCPSA) having a cycle time, T, to separate a feed gas into a non-adsorbed gas and tail gas. The method...
7585351 Systems and methods of monitoring and controlling the performance of a gas fractionalization apparatus  
A gas fractionalization apparatus and methods for providing oxygen rich air to patients are disclosed. The apparatus comprises a variable output compressor, a PSA unit, a control system, and one or...
7575624 Molecular sieve and membrane system to purify natural gas  
The invention comprises a process of removing carbon dioxide from a natural gas feed stream comprising sending a natural gas feed stream comprising methane and carbon dioxide through an adsorbent...
7550036 Gas concentrator  
The present invention relates to a gas concentrator, which produces concentrated gas by applying a pressure difference to adsorbent having selective adsorption property to specific gas from mixed...
7550031 Cylinder filling oxygen concentrator  
An energy efficient oxygen concentrator for filling high pressure portable cylinders with medical oxygen for use by ambulatory patients. Two compressors provide two pressurized air sources, one for...
7527670 Method and apparatus for gas purification  
This invention comprises an adsorption process for the removal of at least N 2 O from a feed gas stream that also contains nitrogen and possibly CO 2 and water. In the process the feed stream is...
7500490 Rotary valve with internal leak control system  
Rotary valve comprising (a) a rotor having a rotor face rotatable about an axis perpendicular to the rotor face, a plurality of openings, and at least one passage connecting at least one pair of...
7494533 Systems for purifying gases having organic impurities using granulated porous glass  
Methods and apparatus for purifying gases having organic impurities, including the use of granulated porous glass. A system for purifying an impure gas includes a source of an impure gas, a...
7479176 Sequential adsorption desiccant dryer system  
A method and an apparatus for controlling airflow in a desiccant drying system having a plurality of desiccant beds, in which each desiccant bed is located in a chamber, and multi-position valves...
7473299 Weight-optimized portable oxygen concentrator  
System for producing an oxygen-rich gas comprising (a) a primary gas mover including a first and a second compressor, wherein the primary gas mover is characterized by a weight W p ; (b) a drive...
7452406 Device and method for removing water and carbon dioxide from a gas mixture using pressure swing adsorption  
A pressure swing adsorption (PSA) dryer for separating water and carbon dioxide from a gas stream includes two compound adsorbent columns [ 32, 42 ]. Each column comprises a primary adsorption...
7449054 Air purification system with regenerative purification units  
The invention teaches a purification system which uses a series of operations, in a single unit, to purify air, while extending the life of the purification units. Air is passed through a coarse...
7445662 System and method for treating fluid using a multi-port valve assembly  
A valve assembly for use in a gas purification system having a plurality of vessels each having a first port opening and a second port opening. The gas purification system includes a first valve...
7442233 Integrated heavy hydrocarbon removal, amine treating and dehydration  
The present invention is directed to an improved integrated process for the removal of heavy hydrocarbons, carbon dioxide, hydrogen sulfide, and water from a raw natural gas feed stream. More...
7427315 High output concentrator  
A multi-chamber canister for a pressure swing absorption system within a general housing assembly. The chambers include a first molecular sieve chamber for receiving a first molecular sieve for...
7419534 Cooler using filter with dehumidifying function  
A cooling apparatus is disclosed for cooling and dehumidifying the inside of a device such as an electronic device installed outdoors The cooling apparatus of the invention comprises a set of...
7407528 Method for operating an air fractionization installation for obtaining oxygen on board an aircraft  
The method serves for operating an air fractionization installation for obtaining oxygen on board an aircraft, with at least two molecular sieve chambers. A part mass flow of the oxygen obtained in...
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...
7384454 Combined water-from-air and water-from-exhaust system  
A water production unit is provided having two modes of operation for extracting water from exhaust and air.
7350521 Simplified dual mode medical oxygen concentrator  
Oxygen concentrator system having a portable oxygen generator unit adapted to generate a non-humidified oxygen-rich gas and a stationary base unit adapted to generate a humidified oxygen-rich gas,...
7326278 Advanced contaminate treatment system  
Decontamination systems and methods are disclosed. In one embodiment, a system comprises a first adsorption/desorption subsystem that is configured to receive a contaminated gaseous solution and...
RE40006 Flow regulated pressure swing adsorption system  
Pressure swing adsorption (PSA) separation of a gas mixture is performed in an apparatus with a plurality of adsorbent beds. The invention provides rotary multiport distributor valves to control...
7303611 Humidity adjusting apparatus using desiccant  
A humidity adjusting apparatus includes at least one desiccant linearly reciprocated between a dehumidifying unit and a drying unit, and a motor for driving the desiccant to be moved, thereby...
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...
7294173 Method and system for desorption and recovery of desorbed compounds  
A method for desorption and recovery of desorbed compounds, including the steps of generating a recirculating stream of inert gas ( 1 ), which passes through the material ( 2 ) to be desorbed,...
7273051 Dual mode medical oxygen concentrator  
Oxygen generation system having a portable oxygen generator unit including a portable air separation device for the generation of an oxygen-rich gas, a primary gas pump including means to supply...
7264651 Adsorption process and system using multilayer adsorbent beds containing regenerator section  
For PSA or TSA prepurifiers, the temperature rise on adsorption is particularly troublesome when the temperature rise reaches the end of the bed at the end of the adsorption step. This results in...
7166149 Adsorption process for continuous purification of high value gas feeds  
Using a high pressure rotary adsorbent wheel, a high value compressed gas feed can be purified by concentrating the impurity such as water, condensing it out, before final purification. Instead of...
7156900 Adsorber station and the use thereof  
The invention relates to an adsorber station with a first adsorber (A) and a second adsorber (B). A first closed loop pipeline ( 1 ) is connected to the adsorbers (A, B) and is provided with...
7122073 Low void adsorption systems and uses thereof  
A low void pressure swing adsorption system wherein flow movement and pressure pulse are influenced from the same source comprised of at least one hermetically sealed vessel containing an adsorbent...
7115152 Four bed regenerable filter system  
A regenerable filter system includes a flow path along which a stream of fluid flows between an inlet and an outlet. A first filtering unit is located in the flow path. The first filter unit...
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...
7105038 Gas concentration method and its apparatus  
The present invention relates a method for concentrating a gas by applying a pressure difference to an adsorbent and an apparatus therefor, and particularly, a method for producing an enriched gas...
7101414 Rotary bed sorption system including at least one recycled isolation loop, and methods of designing and operating such a system  
A method of reducing the sorbate concentration of a process fluid stream using a sorption bed system includes the following steps. A mass of a sorbent material is rotated so that, in a cycle of...
7094275 Modular pressure swing adsorption apparatus  
A rotary module for implementing a high frequency pressure swing adsorption process comprises a stator and a rotor rotatably coupled to the stator. The stator includes a first stator valve surface,...
7087101 Method of controlling a gas adsorption apparatus  
A method of controlling a gas adsorption apparatus including a sieve bed containing molecular sieve bed material, the bed being cyclically operable in a charge mode to adsorb non-product gas from...
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...
7066985 Portable gas fractionalization system  
A portable gas fractionalization apparatus that provides oxygen rich air to patients is provided. The apparatus is compact, lightweight, and low-noise. The components are assembled in a housing...
RE39122 Regenerative compressed air/gas dryer  
A system for drying a gas, such as air, includes a source of gas to be dried, a multistage compressor having an inlet connected to the source, and a dryer connected interstage to the compressor and...
7036521 Air conserving slide valve  
A slide type valve (V) for regulating a gas generating system ( 10 ) that has at least a first and a second gas concentrating bed unit ( 12, 14 ) includes an outer body ( 120 ) with a slide face (...
7029521 Process and device in connection with the production of oxygen or oxygen enriched air  
Process in conjunction with the production of oxygen ( 22 ), wherein incoming air ( 10, 16, 16 a , 16 b ,) is brought to pass through a sorbent/zeolite structure ( 18 ), which comprises at least...
7025803 Methane recovery process  
A system and a process for recovering high concentrations of methane from crude natural gas and solid waste landfill exhaust gas uses a sequential combination of a pressure swing adsorber unit...
7022168 Device for removing carbon dioxide from exhaust gas  
In a method for removing carbon dioxide from the exhaust gas from a gas turbine plant ( 11 ), which exhaust gas is subjected to a downstream heat recovery process ( 12, 33 ), preferably in the heat...
7022167 Desiccant dehumidifier hose connector  
A raised ring encircling a duct at an output port of a desiccant dehumidifier housing prevents its flexible hose from blowing off the duct even when clamped, as dried air blowing pressures through...
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...