Entries |
Document | Title | Date |
20080257154 | Membrane Air Dryer with Pre-Charge Volume - A membrane air dryer includes a housing with an air inlet, an air outlet, a sweep air inlet and a sweep air outlet; and a membrane separator having surfaces extending between and having an inlet and an outlet respectively connected to the air inlet and the air outlet. A sweep air passage in the housing extends between first and second ends of the membrane along and includes surfaces of the membrane. The sweep air passage has an inlet adjacent the air outlet and has an outlet adjacent the air inlet and connected to the sweep air outlet. A volume is concentric to the membrane separator, has an inlet connected to the outlet of the membrane separator and has an outlet connected to the sweep air inlet. The filter may be mounted in a reservoir with the membrane separator extending into the reservoir. | 10-23-2008 |
20080271604 | OZONE RESISTANT O2/N2 SEPARATION MEMBRANES - Ozone resistant O | 11-06-2008 |
20090007787 | Air Dryer for a Brake System - An air dryer includes a housing with an air inlet, an air outlet and a liquid drain outlet; and a membrane separator having surfaces extending between a first and second ends of the membrane. A first passage in the housing is connected to the air inlet and air outlet at it respective ends and extends between the first and second ends of the membrane separator along the surfaces of the membrane separator. A second passage in the housing is connected to the drain outlet and air outlet at it respective ends and extends between the first and second ends of the membrane along a surface of the membrane separator. A valve is connected between the second passage and the drain outlet for controlling the draining of the liquid and sweep air flow through the second passage. The dryer is to be inserted in a reservoir at its inlet or outlet. A coalescing filter may be provided in the housing in series with the membrane separator and the housing would include a second drain for the coalescing filter. | 01-08-2009 |
20090020013 | MEMBRANE BASED DEOXYGENATOR FOR PROCESSING FLUIDS - A deoxygenating system includes a processed fluid that flows through a membrane deoxygenator. Oxygen is removed by the membrane deoxygenator and stored in an oxygen storage container separate from the subsequently deoxygenated processed fluid. In one example, the membrane deoxygenator includes a membrane filter having an uneven surface for improved efficiency of the membrane deoxygenator. The processed fluid can then be packaged without exposure to the removed oxygen and shipped offsite to customers remote from the processing facility. | 01-22-2009 |
20090056549 | HYDROGEN PERMEATION/SEPARATION THIN MEMBRANE - A hydrogen permeation/separation thin membrane including an Ni—Ti—Nb alloy, the Ni—Ti—Nb alloy being a cast foil material obtained by roll quenching and having a thickness of 0.07 mm or less, which has been subjected to a refining heat treatment, and the Ni—Ti—Nb alloy having the following composition (a) and alloy structure (b): (a) a composition consisting of 10 to 47 atomic % of Nb, 20 to 52 atomic % of Ti, and a remainder containing 20 to 48 atomic % of Ni and inevitable impurities; and (b) an alloy structure where fine particles of an Nb-based solid solution alloy formed of a solid solution of Ni and Ti in Nb are dispersed in a microstructure made of an Ni—Ti(Nb) intermetallic compound formed of a solid solution of an Ni—Ti intermetallic compound, in which part of Ti thereof is replaced by Nb; and a hydrogen permeation/separation thin membrane including an Nb—Ti—Ni alloy, the Nb—Ti—Ni alloy being a cast foil material obtained by roll quenching and having a thickness of 0.07 mm or less, which has been subjected to a refining heat treatment, and the Nb—Ti—Ni alloy having the following composition (a′) and alloy structure (b′): (a′) a composition consisting of 10 to 32 atomic % of Ni, 15 to 33 atomic % of Ti, and a remainder containing 48 to 70 atomic % of Nb and inevitable impurities; and (b′) an alloy structure where fine particles of an Ni—Ti(Nb) intermetallic compound formed of a solid solution of an Ni—Ti intermetallic compound, in which part of Ti thereof is replaced by Nb, are dispersed in a microstructure made of an Nb-based solid solution alloy formed of a solid solution of Ni and Ti in Nb. | 03-05-2009 |
20090064861 | Hydrogen Separation Membrane, Sputtering Target for forming said Hydrogen Separation Membrane, and Manufacturing Method Thereof - Provided is a hydrogen separation membrane characterized by comprising a structure obtained by sintering atomized powder having a composition of Ni | 03-12-2009 |
20090071339 | Method Of Manufacturing Porous Polytetrafluoroethylene Membrane, Filter Medium, And Filter Unit - Provided is a method of manufacturing a porous polytetrafluoroethylene (PTFE) membrane capable of achieving both a high collection efficiency and a low pressure drop, though it has a larger average pore size and a greater thickness than conventional porous PTFE membranes. This manufacturing method includes: stretching an unsintered polytetrafluoroethylene sheet by a factor of 5 to 30 in a predetermined direction at a temperature equal to or higher than the melting point of polytetrafluoroethylene; further stretching the stretched sheet by a factor of 5 to 40 in a direction different from the predetermined direction at a temperature lower than the melting point; and after the stretchings, heating the stretched sheet at a temperature equal to or higher than the melting point. | 03-19-2009 |
20090071340 | FLOW CONTROL FOR ON-BOARD INERT GAS GENERATION SYSTEM - An on-board inert gas generating system includes a flow control valve modulated according to changes in ambient conditions to minimize changes to oxygen content within a fuel tank. The quality of the nitrogen-enriched air stream that is provided by the air separation module varies in response to flow. Higher flow rates through the air separation module removes less oxygen relative to lower flow rates. The amount of flow through the air separation module that produces the least amount of oxygen within the fuel tank is determined for an ambient pressure and provided by modulating the flow control valve. | 03-19-2009 |
20090126570 | Polymer Functionalized Molecular Sieve/Polymer Mixed Matrix Membranes - The present invention discloses polymer functionalized molecular sieve/polymer mixed matrix membranes (MMMs) with either no macrovoids or voids of less than several Angstroms at the interface of the polymer matrix and the molecular sieves by incorporating polyethersulfone (PES) or cellulose triacetate (CTA) functionalized molecular sieves into a continuous polyimide or cellulose acetate (CA) polymer matrix. The MMMs, in the form of symmetric dense film, asymmetric flat sheet membrane, or asymmetric hollow fiber have good flexibility and high mechanical strength, and exhibit significantly enhanced selectivity and/or permeability over the polymer membranes made from the corresponding continuous polymer matrices for carbon dioxide/methane (CO | 05-21-2009 |
20090241781 | HYBRID WET ELECTROSTATIC PRECIPITATOR - A hybrid, wet electrostatic precipitator has multiple precipitation zones for removing particulate and contaminants from a flue gas stream. A first precipitation zone has at least one discharge electrode and at least one collection plate made of a metal or a fiber glass reinforced plastic. A second precipitation zone has at least one discharge electrode and at least one collecting electrode which is a porous membrane sheet. The precipitation zones are in series with one another. | 10-01-2009 |
20100083836 | HYDROGEN PERMEABLE FILM AND METHOD FOR MANUFACTURING THE SAME - The present invention provides a hydrogen-permeable film having a ceramic material of a nitride or oxide of a metal element belonging to group IVa, Va or VIa and hydrogen-permeable metal particles of at least one kind selected from palladium (Pd), niobium (Nb), vanadium (V), tantalum (Ta) and alloys thereof dispersed in the ceramic material, wherein the ratio of the hydrogen-permeable metal particles in the hydrogen-permeable film is 20 to 70 mass %, and the thickness of the hydrogen-permeable film is 5 to 1,000 nm. | 04-08-2010 |
20100154641 | Membrane Comprising Oxyethylene Groups - The present invention relates to a membrane wherein said membrane comprises a polymerized composition that comprised prior to polymerization at least one type of compound comprising at least 70 oxyethylene groups and at least two polymerizable groups. The invention further relates to the use of this membrane for separating polar gases and vapors. | 06-24-2010 |
20100282084 | Gas concentrator with improved water rejection capability - A feed gas drying system is described for a PSA or VPSA oxygen concentrator. A membrane dryer is inserted into the feed gas path to the concentrator absorbent beds, such that the moisture in the feed gas is directed to a part of the dryer exposed to the concentrator exhaust, thus achieving efficient operation of the membrane dryer with no loss of concentrator feed gas. | 11-11-2010 |
20110023716 | MIXED MATRIX MEMBRANES INCORPORATING SURFACE-FUNCTIONALIZED MOLECULAR SIEVE NANOPARTICLES - Mixed matrix membranes that are capable of separation and purification of gas mixtures are disclosed. These membranes comprise polymers that include dispersed therein nanomolecular sieve particles. In a preferred embodiment, the nanomolecular sieve particles contain attached functional groups to prevent their agglomeration. | 02-03-2011 |
20110168022 | FILTER-HOLDING OBJECT - The present invention is intended to provide a filter-holding object that allows air permeable filters to be peeled from a carrier tape in a satisfactory manner without increasing a tension applied to the carrier tape. | 07-14-2011 |
20110168023 | APPARATUS TO MEASUER PERMEATION OF A GAS THROUGH A MEMBRANE - The present invention relates to an apparatus to measure permeation of a gas through a membrane. The membrane is mounted on a flange with two sealing areas. The region between the sealing areas defines an annular space. The annular space is swept with a gas in order to carry away any of the permeating gas which may leak through the sealing areas. | 07-14-2011 |
20110252971 | Vent Filter - An object is to provide a vent plug making liquid unlikely to accumulate therein, while preventing an air-permeable membrane from breaking by means of at least one convex part. The vent plug of the present invention includes a cylindrical member | 10-20-2011 |
20120042780 | TREATMENT OF MOLECULAR SIEVE PARTICLES FOR MIXED MATRIX MEMBRANES - The present invention relates to a method for treating molecular sieve particles for use in a mixed matrix membrane useful in, for example, gas separations. Membranes employing treated molecular sieve particles may exhibit enhanced permeabilities and selectivities in regard to, for example, the separation of carbon dioxide and methane. | 02-23-2012 |
20120145005 | NEW PANEL FILTER AUGMENTATION TECHNIQUE FOR PARTICULATE CAPTURE GAINS - An accessory filter for enhancing the operation of a HVAC panel filter, the HVAC panel filter having a peripheral frame that is receivable in a filter mount of a forced air HVAC system. The accessory filter includes a filter sheet having planar dimensions matching the frame; and adhesive attached near the edges of the filter sheet operable to adhere the filter sheet to the frame. The filter sheet has a thickness substantially thinner than that of the HVAC panel filter. The filter sheet thickness allows the HVAC panel filter and the accessory filter to coextensively fit in the filter mount. | 06-14-2012 |
20120174789 | Vent Plug - An object is to provide a vent plug having a structure in which an air-permeable membrane is unlikely to be damaged. More specifically, a vent plug is produced, which includes: a cylindrical member | 07-12-2012 |
20120199004 | Membrane Element, Gas Separation Device and Internal Combustion Engine - The present invention provides a membrane element, a gas separation device, and an internal combustion engine capable of improving gas separation performance. A gas separation device | 08-09-2012 |
20120247336 | ZEOLITE DDR NANOPARTICLES - DDR nanocrystals were synthesized using hydrothermal secondary growth. The morphology of the nanoparticles can be manipulated by changing the ratio of silica to water, the synthesis temperature, and the mineralizing agents. Specifically, nanocrystals with morphology of hexagonal plates, octahedral, and diamond-like plates are disclosed. These nanoparticles can be used as seed coatings for DDR membrane growth on substrates, and for the fabrication of mixed matrix membranes, and for any other use where uniform, small DDR zeolite crystals are beneficial. | 10-04-2012 |
20120297982 | Methods for Electrochemically Induced Cathodic Deposition of Crystalline Metal-Organic Frameworks - Embodiments of the invention relate to a method for preparing crystalline metal-organic frameworks (MOFs). The method includes the steps of providing an electrolyte solution in contact with a conductive surface, and applying a current or potential to the conductive surface in contact with the electrolyte solution. The electrolyte solution includes a protonated organic ligand, a metal ion, and a probase. Application of the reductive current or potential to the conductive surface produces the crystalline metal-organic framework (MOF) deposited on the conductive surface. The MOFs produced by the method may be incorporated into a gas separation membrane, a purification filter, and/or a sensor. | 11-29-2012 |
20120297983 | PORTABLE FUEL CONTAINER EMISSIONS CONTROL - An emissions device for use with a container assembly with a vent opening is provided. The emissions device includes a housing configured to be mounted to the container. The housing includes a backing plate that has at least one opening. A membrane is supported by the backing plate and extends over the opening. The membrane is configured to allow passage of vapor and prevent passage of liquid. A filter is located within the housing such that vapor that passes from the at least one opening through the membrane then passes through the filter. At least one spring is positioned within the housing and is configured to compress the filter. | 11-29-2012 |
20130008311 | EXHAUST GAS TREATMENT SYSTEM - An exhaust gas treatment system treats a mixed gas containing at least hydrogen and monosilane discharged from a semiconductor fabrication equipment. The exhaust gas treatment system includes a pump unit which emits the mixed gas discharged from the semiconductor fabrication equipment, a compressor which compresses the mixed gas emitted by the pump unit and sends the mixed gas to a rear stage, a gas accommodation unit which collects and accommodates the compressed mixed gas, a flow rate control unit which controls a flow rate of the mixed gas supplied from the gas accommodation unit, and a membrane separation unit which causes the hydrogen to selectively permeate therethrough and separates the monosilane and the hydrogen from the mixed gas. Accordingly, the exhaust gas treatment system may be stably operated in a state where a change in pressure of the mixed gas discharged from the semiconductor fabrication equipment is alleviated. | 01-10-2013 |
20130025457 | VENTILATION MEMBER - The ventilation member of the present invention includes a waterproof gas permeable membrane ( | 01-31-2013 |
20130055897 | Membrane Separation Apparatus for Fuel Gas Conditioning - Disclosed herein is a membrane separation apparatus that includes an integrated filter element. The apparatus is useful in the conditioning of fuel gas to separate methane from C | 03-07-2013 |
20130055898 | VENT STRUCTURE - A housing ( | 03-07-2013 |
20130104739 | VENTILATION MEMBER AND VENTED HOUSING INCLUDING SAME | 05-02-2013 |
20130112077 | Method and Apparatus for Supplying Gas to an Area - Embodiments of the present invention are directed to various designs and packaging methods for a gas delivery device and materials for supplying one or more predetermined gases to a target area as well as to application specific opthamological embodiments. With regard to the gas delivery device, the device may include a reservoir, a gas diffusion portion for communicating gas from the reservoir and one or more predetermined gases at concentrations greater than atmospheric contained within the reservoir, wherein the device does not generate gas and may be packaged prior to use with the one or more predetermined gases. | 05-09-2013 |
20130139690 | EXHAUST GAS TREATMENT SYSTEM - A mixed gas containing monosilane is released from a semiconductor fabrication equipment. A pump unit suctions the mixed gas discharged from the semiconductor fabrication equipment and sends it out to a silane gas treatment unit provided at a stage subsequent to the pump unit. Argon gas is used as a purge gas of the pump unit. The silane gas treatment unit processes the mixed gas, containing at least hydrogen and monosilane, discharged from the semiconductor fabrication equipment via the pump unit. And the silane gas treatment unit separates and recover monosilane from the mixed gas so as to be recycled. Argon recovered by a noble gas treatment unit is used as the purge gas of the pump unit. | 06-06-2013 |
20130152793 | Stabilization of Porous Morphologies for High Performance Carbon Molecular Sieve Hollow Fiber Membranes - Carbon molecular sieves (CMS) membranes having improved thermal and/or mechanical properties are disclosed herein. In one embodiment, a carbon molecular sieve membrane for separating a first and one or more second gases from a feed mixture of the first gas and one or more second gases comprises a hollow filamentary carbon core and a thermally stabilized polymer precursor disposed on at least an outer portion of the core. In some embodiments, the thermally stabilized polymer precursor is created by the process of placing in a reaction vessel the carbon molecular sieve membrane comprising an unmodified aromatic imide polymer, filling the reaction vessel with a modifying agent, and changing the temperature of the reaction vessel at a temperature ramp up rate and ramp down rate for a period of time so that the modifying agent alters the unmodified aromatic imide polymer to form a thermally stabilized polymer precursor. | 06-20-2013 |
20130167722 | APPARATUS AND METHOD FOR GAS SEPARATION - Herein disclosed is an apparatus that includes a porous rotor positioned about an axis of rotation and surrounding an interior space, wherein the porous rotor includes sintered metal or ceramic; an outer casing, wherein the outer casing and the porous rotor are separated by an annular space; and a motor configured for rotating the porous rotor about the axis of rotation. | 07-04-2013 |
20130186275 | Autonomous Filter Element - An autonomous filter device and a method for improving the filter life and performance is disclosed. The filter element is equipped with one or more sensors, adapted to measure one or more characteristics. In response to the measured characteristic, the control logic within the filter element is able to determine an appropriate response. For example, the control logic may determine that a sudden, but temporary, blockage has occurred in the filter membrane. In response, the control logic may initiate a specific response designed to alleviate the blockage. The control logic will then determine the success of the response, based monitoring any change in the fluid characteristics. Based thereon, the control logic may alert the operator that the filter element must be replaced. Alternatively, if the response was successful in correcting the blockage, the control logic need not notify the operator, as the filter element is back to normal operating operation. | 07-25-2013 |
20130220126 | PLASMA SPRAY METHOD FOR THE MANUFACTURING OF AN ION CONDUCTING MEMBRANE AND AN ION CONDUCTING MEMBRANE - A plasma spray method for the manufacture of an ion conducting membrane, in particular of a hydrogen ion conducting membrane or of an oxygen ion conducting membrane is suggested. In which method the membrane is deposited as a layer ( | 08-29-2013 |
20130284022 | COMPOSITION FOR FORMATION OF CARBON DIOXIDE SEPARATION MEMBRANE, CARBON DIOXIDE SEPARATION MEMBRANE AND PROCESS FOR PRODUCTION THEREOF, AND CARBON DIOXIDE SEPARATION APPARATUS - A composition for forming a carbon dioxide separation membrane, which includes a water-absorbing polymer, a carbon dioxide carrier, and a polysaccharide, is disclosed. | 10-31-2013 |
20130312610 | DEVICE FOR TRAPPING FLAMMABLE GASES PRODUCED BY RADIOLYSIS OR THERMOLYSIS IN A CONTAINMENT - A device for trapping flammable gases such as hydrogen comprises active means ( | 11-28-2013 |
20140041520 | VENTILATION UNIT - A ventilation unit ( | 02-13-2014 |
20140047981 | VENTILATION UNIT - A ventilation unit ( | 02-20-2014 |
20140090561 | VENTILATION MEMBER - A ventilation member ( | 04-03-2014 |
20140144321 | CARBON DIOXIDE SEPARATION SYSTEM - In the carbon dioxide separation system, a mixed gas having a carbon dioxide concentration of 3 to 75% is introduced into a primary carbon dioxide separation device equipped with a zeolite membrane for carbon dioxide separation to produce a primary permeated gas having a carbon dioxide concentration of 80% or more on the permeate side of the zeolite membrane and also reduce the carbon dioxide concentration of a primary gas on the non-permeate side of the zeolite membrane to 3 to 15%. Next, the primary gas on the non-permeate side is introduced into a secondary carbon dioxide separation device that employs an amine absorption method or a pressure swing adsorption (PSA) method to produce a secondary separated gas having a carbon dioxide concentration of 80% or more separated by the separation device and also produce a carbon-dioxide-removed gas having a carbon dioxide concentration of 2% or less. | 05-29-2014 |
20140260985 | FUNCTIONAL DESICCANTS - A device includes a desiccant and an enclosure having an interior surrounding the desiccant. The enclosure may include a moisture vapor permeable membrane with a moisture permeability sufficient to pass moisture from outside the enclosure to the desiccant. The device may further include a functional device within the enclosure having processing circuitry to perform at least one function associated with the desiccant. | 09-18-2014 |
20140290488 | VENTILATION MEMBER - The ventilation member of the present invention includes: a support; and an air-permeable membrane disposed on the support. The support includes: a base portion supporting the air-permeable membrane; and a leg portion extending from the base portion toward the interior space of a housing and adapted to fix the ventilation member to the opening of the housing. The leg portion includes: insertion portions separated from each other in a circumferential direction by slits formed between the insertion portions, the insertion portions being adapted to be elastically deformed radially inwardly when the insertion portions are inserted into the opening and then to be fixed to the opening; and rounded portions each formed in a region between an inner circumferential surface of the insertion portion and a circumferential end surface of the insertion portion at a root of the insertion portion and having a rounded convex surface. | 10-02-2014 |
20140290489 | VENTILATION MEMBER - The ventilation member of the present invention includes: a support; and an air-permeable membrane disposed on the support. The support includes: a base portion supporting the air-permeable membrane; and a leg portion extending from the base portion toward the interior space of a housing and adapted to fix the ventilation member to the opening of the housing. The leg portion includes: insertion portions separated from each other in a circumferential direction by slits formed between the insertion portions in an insertion start side of the leg portion, the insertion portions being adapted to be elastically deformed radially inwardly when the insertion portions are inserted into the opening and then to be fixed to the opening; and receding portions in the insertion portions. In a region between an edge of an inner circumferential surface of the insertion portion and an edge of an outer circumferential surface of the insertion portion at a root of the insertion portion, the receding portion recedes from an imaginary circumferential end surface in a direction away from the slit and recedes from an imaginary inner circumferential surface toward the outer circumferential surface, when the imaginary circumferential end surface is defined as an imaginary end surface including a central axis of the support and a first reference line parallel to the central axis and passing through the edge of the outer circumferential surface and the imaginary inner circumferential surface is defined as an imaginary surface extending in the circumferential direction from the edge of the inner circumferential surface toward the slit. | 10-02-2014 |
20140290490 | VENTILATION MEMBER - The present invention provides a ventilation member attachable to a housing having an opening for ventilation. This ventilation member includes: a support including: a base portion adapted to form an air passage between an interior space and an exterior space of the housing; and a leg portion extending from the base portion and adapted to be fitted into the opening; an air-permeable membrane disposed on the support to cover the air passage; and a sealing member made of a resin and placed at a root of the leg portion of the support. This sealing member has a compression set of 10% or less when measured under conditions of a test temperature of 100° C. and a test time of 100 hours in accordance with JIS K 6262. According to the present invention, it is possible to provide a ventilation member suitable for preventing water from entering a housing even during a high-pressure car wash test using high-temperature water. | 10-02-2014 |
20140360372 | DEVICE AND METHOD TO SAMPLE AND ENRICH IMPURITIES IN HYDROGEN - Provided herein are methods and devices to enrich trace quantities of impurities in gaseous mixtures, such as hydrogen fuel. The methods and devices rely on concentration of impurities so as to allow the detection of the impurities using commonly-available detection methods. | 12-11-2014 |
20150040764 | Method For Producing Air-Permeable Composite Sheet - It is an objective of the present invention to provide a method for producing an air-permeable composite sheet which has excellent mechanical strength and compression resistance as well as PTFE's innate property such as air-permeability, water repellency, heat resistance and chemical resistance; and a filter and a fabrics material containing the air-permeable composite sheet produced by the method as a constituent material. The method for producing an air-permeable composite sheet according to the present invention is characterized in comprising steps of filling pores of a porous PTFE sheet with a hardenable material solution; hardening or semi-hardening the porous PTFE sheet filled with the hardenable material solution; and expanding the hardened or semi-hardened porous PTFE sheet. | 02-12-2015 |
20150059575 | HYDROGEN SEPARATION FROM SYNTHESIS GAS NEAR STP - A hydrogen separation system and membrane is described for extracting hydrogen from gasifier streams at near atmospheric pressure and ambient temperature conditions. The system can be inserted between a small gasifier and an internal combustion engine which runs a genset to optionally co-produce hydrogen and electricity. | 03-05-2015 |
20150096442 | Carbon Nanotube Composite Membrane - A composite membrane for separations includes a fabric with a non-woven array of intermingled carbon nanotubes, and a dopant incorporated with the fabric to form a non-porous, permeable composite. The composite membrane may be used to separate a target gas from a liquid by mounting the composite membrane in a housing chamber, and conditioning a permeate side of the chamber to establish a driving force for the target gas across the non-porous, permeable composite membrane. | 04-09-2015 |
20150122128 | HYDROGEN GENERATION ASSEMBLIES AND HYDROGEN PURIFICATION DEVICES - Hydrogen generation assemblies, hydrogen purification devices, and their components, and methods of manufacturing those assemblies, devices, and components are disclosed. In some embodiments, the devices may include frames with membrane support structures and/or may include a microscreen structure configured to prevent intermetallic diffusion. | 05-07-2015 |
20150328589 | HYDROGEN SEPARATION MEMBRANE MODULE FOR CAPTURING CARBON DIOXIDE - The present invention provides a hydrogen separation membrane module for capturing carbon dioxide. According to the present invention, a module material is used to suppress the reactivity by a carbon source in the separation membrane module during a carbon capture and storage (CCS) process, and is capable of preventing an occurrence of carbon and a decrease in hydrogen partial pressure by a side reaction. | 11-19-2015 |
20150367278 | APPARATUS AND METHOD FOR RECOVERY OF TARGET GAS - Disclosed is an apparatus and method for recovery of target gas, which may increase a target gas concentration in a recovered gas by using a single gas separation membrane module and a plurality of gas storage tanks. The apparatus for recovery of target gas includes a gas separation membrane module configured to perform an enrichment process n times (n is a natural number) so that an injected gas is separated into a permeated gas and a recovered gas in each enrichment process, and (n+1) number of gas storage tanks, wherein in an n | 12-24-2015 |
20160051934 | HYDROGEN GENERATION ASSEMBLIES AND HYDROGEN PURIFICATION DEVICES - Hydrogen generation assemblies, hydrogen purification devices, and their components are disclosed. In some embodiments, the devices may include a permeate frame with a membrane support structure having first and second membrane support plates that are free from perforations and that include a plurality of microgrooves configured to provide flow channels for at least part of the permeate stream. In some embodiments, the assemblies may include a return conduit fluidly connecting a buffer tank and a reformate conduit, a return valve assembly configured to manage flow in the return conduit, and a control assembly configured to operate a fuel processing assembly between run and standby modes based, at least in part, on detected pressure in the buffer tank and configured to direct the return valve assembly to allow product hydrogen stream to flow from the buffer tank to the reformate conduit when the fuel processing assembly is in the standby mode. | 02-25-2016 |
20160051941 | Channeled Articles and Methods for Their Manufacture - An article with a body having spaced channels created at a surface of the body and extending into the body, wherein the channels are located at controlled spaced locations. The channeled or microchanneled articles may be in the form of channeled or microchanneled membranes or otherwise. Methods of manufacturing channeled articles and uses of the channeled articles are described. | 02-25-2016 |
20160107127 | GAS SEPARATION MEMBRANE WITH LADDER-STRUCTURED POLYSILSESQUIOXANE AND METHOD FOR FABRICATING THE SAME - The present disclosure provides a gas separation membrane using a ladder-structured polysilsesquioxane in which organic functional groups are attached to a long siloxane chain and a method for fabricating the same. In accordance with the present disclosure, a free-standing ladder-structured polysilsesquioxane-based membrane with various functional groups can be fabricated for gas separations. The performance of the gas separation membrane can be controlled through a variety of combinations of the organic functional groups linked to the siloxane chain. In addition, by controlling the molecular structure of the gas separation membrane through mixing of the ladder-structured polysilsesquioxane with an amine compound or conventional glassy or rubbery polymers or through thermal/UV-curing, the permeability and selectivity of the gas separation membrane can be controlled selectively. | 04-21-2016 |
20180021713 | BARRIER VENT ASSEMBLY | 01-25-2018 |
20220134275 | AIR PURIFYING SYSTEM - An air purifying system includes: a carbon dioxide remover including first and second spaces partitioned by a gas permeable membrane with 50 nm or less diameter micropores; a feed passage leading to-be-purified air from a room to the first space; a supply passage supplying clean gas having lower carbon dioxide and higher oxygen concentrations than the to-be-purified air to the second space; a discharge passage discharging, from the second space, mixed gas; a return passage leading purified air from the first space into the room, the purified air resulting from removing carbon dioxide from the to-be-purified air; and adjusting equipment adjusting a gas pressure in the first and second spaces to be substantially equal to each other. The to-be-purified air flows in the first space along a surface of the gas permeable membrane, and the clean gas flows in the second space along a surface of the gas permeable membrane. | 05-05-2022 |