Class / Patent application number | Description | Number of patent applications / Date published |
095054000 | Oxygen permeates barrier | 23 |
20090255401 | INTEGRATED WASTE TONER AND OZONE COLLECTION SYSTEM - The present disclosure provides for a device that can include a waste collector, a system that transports waste stream of particle matter from a housing, a system that transports a waste stream of effluent and particle matter from the housing, and a separator that receives the waste streams and collects the particle matter into the waste collector. | 10-15-2009 |
20090272266 | METHOD FOR OXYGENATING GASES, SYSTEMS SUITED THEREFOR AND USE THEREOF - A process for enriching the content of oxygen in oxygen- and nitrogen-containing gases in a separation apparatus which has an interior which is divided into a substrate chamber and into a permeate chamber by an oxygen-conducting ceramic membrane is described. The process comprises the introduction of oxygen- and nitrogen-containing sweep gas into the permeate chamber and the establishment of a pressure in the substrate chamber so that the oxygen partial pressure in substrate chamber and sweep chamber results in the transfer of oxygen through the ceramic membrane. | 11-05-2009 |
20100018394 | Hollow Organic/Inorganic Composite Fibers, Sintered Fibers, Methods of Making Such Fibers, Gas Separation Modules Incorporating Such Fibers, and Methods of Using Such Modules - A suspension of inorganic particles, a copolymer comprising soft segments and hard segments, and a solvent may be extruded through a spinnerette to produce inorganic/organic composite hollow precursor fibers. The precursor fibers may be sintered. The fibers may be utilized in a gas separation module for separation of a gas mixture or production of syngas. The fibers may be installed in the gas separation module after sintering or they may be sintered after installation. | 01-28-2010 |
20100116132 | Hybrid Membrane - PSA System for Separating Oxygen from Air - A portable, non-cryogenic, oxygen generation system capable of delivering oxygen gas at purities greater than 98% and flow rates of 15 L/min or more is described. The system consists of two major components. The first component is a high efficiency membrane capable of separating argon and a portion of the nitrogen content from air, yielding an oxygen-enriched permeate flow. This is then fed to the second component, a pressure swing adsorption (PSA) unit utilizing a commercially available, but specifically formulated zeolite compound to remove the remainder of the nitrogen from the flow. The system is a unique gas separation system that can operate at ambient temperatures, for producing high purity oxygen for various applications (medical, refining, chemical production, enhanced combustion, fuel cells, etc . . . ) and represents a significant advance compared to current technologies. | 05-13-2010 |
20100242725 | OXYGEN SCAVENGER AND A METHOD FOR SCAVENGING OXYGEN - An oxygen scavenger is provided. An oxygen scavenger comprises iron, malic acid, and a wicking agent. A method for scavenging oxygen from an enclosed container comprises providing an oxygen scavenger compound comprising iron, malic acid, and a wicking agent, sealing the composition in an oxygen permeable, water impermeable container, and activating the composition by injecting water into the container. | 09-30-2010 |
20100251888 | Oxygen-Ion Conducting Membrane Structure - An oxygen-ion conducting membrane structure comprising a monolithic inorganic porous support, optionally one or more porous inorganic intermediate layers, and an oxygen-ion conducting ceramic membrane. The oxygen-ion conducting hybrid membrane is useful for gas separation applications, for example O | 10-07-2010 |
20110079144 | METHOD AND APPARATUS FOR EXTRACTING CARBON DIOXIDE FROM AIR - A method and apparatus for extracting CO | 04-07-2011 |
20110290112 | HIGH PERMEANCE POLYIMIDE MEMBRANES FOR AIR SEPARATION - The present invention discloses a new type of polyimide membranes including hollow fiber and flat sheet membranes with high permeances for air separations and a method of making these membranes. The new polyimide hollow fiber membranes have O | 12-01-2011 |
20110290113 | MICROFABRICATED ARTIFICIAL LUNG ASSIST DEVICE, AND METHODS OF USE AND MANUFACTURE THEREOF - The invention provides systems and methods for exchanging gas in an oxygenator device, and methods for preparing and using such oxygenator devices. The systems and methods can be used to transfer oxygen to blood to assist lung function in a patient. | 12-01-2011 |
20120000360 | Method Of Operating A Mixed Ionic-Electronic Conducting Ceramic Membrane - A method of operating a mixed ionic-electronic conducting ceramic membrane having an oxidizing side and a reducing side, said method comprising a start-up phase and a production phase, for producing a gas stream, characterized in that the start-up phase comprises a step of introducing, on the oxidizing side and the reducing side of the membrane respectively, first and second gas mixtures not capable of chemically degrading the membrane; and a step of establishing a stream of oxygen through the membrane. | 01-05-2012 |
20120012001 | OXYGEN ENRICHMENT USING SMALL-PORE SILICOALUMINOPHOSPHATE MEMBRANES - A method of oxygen enrichment in which a gaseous mixture containing O | 01-19-2012 |
20120118149 | CERAMIC MATERIALS FOR GAS SEPARATION AND OXYGEN STORAGE - A manganese oxide contains M1, optionally M2, Mn and O. M1 is selected from the group consisting of In, Sc, Y, Dy, Ho, Er, Tm, Yb and Lu. M2 is different from M1, and M2 is selected from the group consisting of Bi, In, Sc, Y, La, Ce, Pr, Nd, Sm, Eu, Gd, Tb, Dy, Ho, Er, Tm, Yb and Lu. These ceramic materials are hexagonal in structure, and provide superior materials for gas separation and oxygen storage. | 05-17-2012 |
20120204716 | CERAMIC MEMBRANE HAVING A CATALYTIC MEMBRANE-MATERIAL COATING - A porously coated, densely sintered ceramic membrane, which can be produced from a green membrane and subsequent sintering. The membrane is coated with ceramic material, which contains noble metals, which can be produced by application and subsequent thermal treatment. The noble metals are contained at a concentration of 2.5 to 5 mass percent. | 08-16-2012 |
20120247329 | OXYGEN SEPARATION METHOD AND SYSTEM WITH A PLASMA PUMP AND A MEMBRANE - The invention relates to a method of separating oxygen from an oxygen containing gas, said method comprising the steps of: compressing and heating the oxygen containing gas in a plasma pump ( | 10-04-2012 |
20130081537 | HOLLOW FIBER APPARATUS AND USE THEREOF FOR FLUIDS SEPARATIONS AND HEAT AND MASS TRANSFERS - A hollow fiber fluid separation device includes a hollow fiber cartridge, comprising a plurality of hollow fiber membranes arranged around a central tubular core, a first tubesheet and a second tubesheet encapsulating respective distal ends of the hollow fiber bundle. The tubesheets have boreholes in fluid communication with bores of the hollow fiber membrane. In at least one of the tubesheets, the boreholes are formed radially and are in communication with the central tubular core. The hollow fiber fluid separation device can be utilized in liquid separation applications such as ultrafiltration and in gas separation processes such as air separation. The design disclosed herein is light weight and compact and is particularly advantageous at high operating temperatures when the pressure of the feed fluid introduced into the bores of hollow fibers is higher than the pressure on the shell side of the device. | 04-04-2013 |
20130213226 | UNSTEADY-STATE GAS PERMEATION PROCESS - There is provided a process for effecting permeation of at least an operative material component of an operative mixture from a higher pressure space, through a membrane, and into a lower pressure space, wherein the higher pressure space is disposed in mass transfer communication with the lower pressure space through the membrane. | 08-22-2013 |
20130213227 | ARRANGEMENT AND METHOD FOR SEPARATING OXYGEN - The present invention relates to an arrangement for separating oxygen from an oxygen containing gas. It comprises a membrane unit ( | 08-22-2013 |
20130263734 | LOW-ENERGY PROCESS TO PRODUCE OXYGEN-ENRICHED AIR USING MEMBRANE TECHNOLOGY - Disclosed herein is a process for producing oxygen-enriched air that involves a membrane separation step that uses glassy polymer membranes that have a selectivity to oxygen over nitrogen of at least 2.4. | 10-10-2013 |
20130333563 | METHOD AND ARRANGEMENT FOR GENERATING OXYGEN - The invention relates to a method of generating oxygen. The method comprises the steps of: intermittently guiding a stream of oxygen comprising gas through at least one adsorption chamber ( | 12-19-2013 |
20140053726 | Aircraft Fuel Tank Flammability Reduction Method and System - An aircraft fuel tank flammability reduction method includes feeding pressurized air into an air separation module containing a carbon membrane, the air feed exhibiting a normal pressure of no more than 55 psig and the carbon membrane containing at least 95 weight percent carbon. The method includes producing nitrogen-enriched air from the air separation module as a result of removing oxygen from the air feed. An aircraft fuel tank flammability reduction system includes a source for pressurized air, an air separation module configured to receive air feed from the pressurized air source, and a carbon membrane containing at least 95 weight percent carbon. The carbon membrane is configured to permeate oxygen from the air feed through the carbon membrane at a temperature of at least 120° C. (248° F.) and to produce nitrogen-enriched air from the air separation module as a result of removing oxygen from the air feed. | 02-27-2014 |
20150360170 | Aircraft Fuel Tank Flammability Reduction Method and System - An aircraft fuel tank flammability reduction method includes feeding pressurized air into an air separation module containing a carbon membrane, the air feed exhibiting a normal pressure of no more than 55 psig. The method includes producing nitrogen-enriched air from the air separation module as a result of removing oxygen from the air feed. An aircraft fuel tank flammability reduction system includes a source for pressurized air, an air separation module configured to receive air feed from the pressurized air source, and a carbon membrane. The carbon membrane is configured to permeate oxygen from the air feed through the carbon membrane at a temperature of at least 120° C. (248° F.) and to produce nitrogen-enriched air from the air separation module as a result of removing oxygen from the air feed. | 12-17-2015 |
20160051926 | AIRCRAFT FUEL TANK INERTING SYSTEM - A method of generating oxygen depleted air on an aircraft, and an aircraft fuel tank inerting system. The method including the steps of passing a first proportion of air through an air pressure reduction device to produce a supply of reduced pressure air, passing a second proportion along one side of a membrane of an air separation module, exposing the other side of the membrane of the air separation module to the reduced pressure air, so that oxygen is extracted from the second proportion of air across the membrane and the air separation module exhausts oxygen depleted air for inerting an aircraft fuel tank. | 02-25-2016 |
20160136571 | MEMBRANE SEPARATION PROCESS AND MEMBRANE PLANT FOR ENERGY-EFFICIENT PRODUCTION OF OXYGEN - The invention relates to a membrane separation process for energy-efficient generation of oxygen from fresh air. In the process, mixed conducting membranes in vacuum operation are used, the fresh air is discharged as waste air after separation of the oxygen, at least 85% of the thermal energy required for heating the fresh air is acquired by utilizing the waste heat of the waste air and/or of the obtained oxygen, the rest of the heating of the fresh air being realized through external energy supply, and a ratio of fresh air to generated oxygen in normal operation is adjusted to a range of from 6:1 to 25:1. | 05-19-2016 |