Class / Patent application number | Description | Number of patent applications / Date published |
096006000 | Membrane to degasify liquid | 46 |
20080202341 | Gas Separation and Compression Device - A gas separation device for separating a reactive gas from a gaseous mixture comprising porous anode and cathode electrodes separated by an ionic membrane, | 08-28-2008 |
20080314249 | LITHOGRAPHIC APPARATUS, DEVICE MANUFACTURING METHOD AND APPARATUS FOR DE-GASSING A LIQUID - An apparatus configured to de-gas a liquid includes a semi-permeable membrane having a first side on which the liquid is provided; and (i) a vaporizer configured to provide vapor of the liquid to a second side of the membrane; or (ii) a gas inlet configured to provide a gas to the second side of the membrane, the gas adapted to dissociate when dissolved in the liquid and an ion exchanger for the liquid downstream of the semi-permeable membrane. | 12-25-2008 |
20090013873 | Gas/Liquid Separator Including a Liquid Trap Filter - A liquid separator for a respiratory gas sample analyzer includes a closed container having a liquid trap filter chamber integral with the container. The liquid trap filter chamber includes an inlet compartment and an outlet compartment. The inlet compartment is interposed between a sample inlet port and a sample outlet port and includes a gas permeable, liquid impermeable filter element for separating liquid from a gas sample, the liquid separated from the gas sample passing to a collection chamber. The outlet compartment includes a further gas permeable, liquid impermeable trap filter element which is interposed between the collection chamber and a low pressure port, for preventing the flow of liquid through the output compartment to the low pressure port. | 01-15-2009 |
20090145299 | LIQUID SUPPLY APPARATUS AND LIQUID EJECTING APPARATUS - Provided is a liquid supply apparatus including: a liquid supply path which supplies a liquid from an upstream side, which is a liquid supply source, to a downstream side in which the liquid is consumed; a defoaming chamber which is provided in the liquid supply path and defoams air bubbles included in the liquid; and a depressurization chamber which is provided at a position adjacent to the defoaming chamber with a partition interposed therebetween and is depressurized such that the pressure thereof becomes lower than the pressure of the defoaming chamber, wherein the partition allows permeation of gas by the depressurization of the depressurization chamber and restricts permeation of the liquid, and wherein the partition is configured by a partition wall having rigidity. | 06-11-2009 |
20090282980 | Carbon Dioxide Gas Removal From a Fluid Circuit of a Dialysis Device - The present invention is directed to degassing devices for dialysate circuits. One embodiment has a first housing and a second housing positioned within the first housing in an annular relationship. A second embodiment comprises a dialysate regeneration system with urease, a dialyzer, and a housing with an external wall, where the external wall is exposed to atmosphere and comprises a material that passes gas but does not pass liquid and where the housing is positioned between the urease and dialyzer. | 11-19-2009 |
20090301306 | GAS REMOVAL DEVICE - A gas removal device | 12-10-2009 |
20100005968 | HUMIDITY-CONDITIONING SHEET - A humidity-conditioning sheet | 01-14-2010 |
20100064894 | FUEL SYSTEM AND METHOD OF REDUCING EMISSION - A fuel system includes a fuel deoxygenator for removing oxygen from a liquid fuel. A vaporizer is in fluid communication with the fuel deoxygenator. The vaporizer vaporizes at least a portion of the liquid fuel to produce vaporized fuel. At least a portion of the vaporized fuel pre-mixes with oxidizer to reduce formation of undesirable emissions. | 03-18-2010 |
20100083837 | CARBON MEMBRANE AND METHOD OF MANUFACTURING THE SAME - A porous carbon membrane has as a loaded component water, alcohol, ether, or ketone loaded on a surface or in a pore, or on the surface and in the pore thereof. The carbon membrane has the loaded component preferably having a molecular weight of 100 or less. The carbon membrane has the loaded component preferably being linear alcohol or linear ether. The carbon membrane has the loaded component preferably being at least one selected from methanol, ethanol, n-propanol, and n-butanol. There is provided a carbon membrane having high separation performance and little change in the separation performance with the passage of time. | 04-08-2010 |
20100089239 | MEMBRANE AIR DRYER - A filter having two drain valves piloted by an electro-pneumatic valve. A check valve may be provided to by pass the filter. A membrane filter housing may include vanes extending into a reservoir in which the membrane filter extends. Also, one of the circumferential recesses of the bore for the membrane filter is in the reservoir. | 04-15-2010 |
20100107877 | Separation membrane module and fuel vapor processing apparatus incorporating the same - One aspect of the present teachings includes a separation membrane arranged in a hollow case. A particular component concentration chamber and a particular component dilution chamber are arranged in series in the hollow case. The particular component concentration chamber is capable of increasing concentration of the particular component by allowing permeation of the particular gas through the separation membrane. The particular component dilution chamber is capable of increasing concentration of the particular component by not allowing permeation of the particular gas through the separation membrane. The particular component concentration chamber and the particular component dilution chamber are configured such that only a gas containing the particular component and permeated through the separation membrane or only a gas containing the particular component not permeated through the separation membrane in one of the chambers disposed on an upstream side (i.e., the side of the inlet port) can flow into the other of the chambers. | 05-06-2010 |
20100107878 | Venting and Filtration Systems with Gas Permeable Membrane - Embodiments of the invention provide venting and filtration systems with a membrane that is permeable to gas and substantially impermeable liquid. The systems can remove a gas from a liquid entrained with gas. The systems can include a reservoir in fluid communication with the membrane and a liquid outlet. The membrane can help prevent the gas from reaching the liquid outlet. | 05-06-2010 |
20100107879 | Dryer Unit For Compressed Air And Other Gaseous Media - A vertically directed dryer unit for compressed air, comprising a dryer cartridge which, together with a housing, defines an inlet head area and an outlet head area. A plurality of hollow membrane fibers extend inside the cartridge between the two head areas, the wall material thereof being more permeable with respect to water vapor than air. An outlet valve is provided between the outlet head area and an outlet of the drier unit. Said valve only opens when the pressure in the outlet head area produces sufficient pressure for the provision of purging air. The purging air is fed to the outer surface of the membrane fibers via a throttle element. | 05-06-2010 |
20100218679 | OPEN LUMEN AIR FILTRATION FOR LIQUID LINES - Devices and systems for capturing and removing accumulated gas bubbles in a liquid-carrying line wherein the device is an expanded double-layered chamber designed and adapted to be integrally placed within the flow pathway of a liquid-carrying line. The device allows insertion of tubes and wires through the device while in use without occlusion of the fluid flow path and without interruption of the bubble-removing function. The efficiency of the air venting and bubble-removing process is not dependent on the fluid flow rate under stable flow conditions, and the device works to remove air bubbles under a range of orientations. | 09-02-2010 |
20100300293 | Bubble trap for high flow rate infusion - A bubble trap for separating and collecting air and bubbles from a high flow rate stream of infusate includes multiple flow chambers to collect air, a sensor support mounted to one of the chambers, an air vent disposed in one of the chambers, and a valve in fluid communication with the chambers to control the flow of infusate therethrough. | 12-02-2010 |
20100307340 | Diffuser Assembly - A diffuser assembly for a septic tank may include a top section and a bottom section being heavier than the top section. The top section may be adapted to be connected to a supply of fluid and the top section may include a central member having an aperture being angled downward. The aperture may be angled at an acute angle, and the acute angle may be substantially 35°. The fluid may be air, and the top section may include a plurality of apertures. The central member may be a cylinder, and the top section may include a top member being a cylinder. The top member may be connected to a supply line, and the top section may be detachably connected to the bottom section. | 12-09-2010 |
20110011264 | FUEL VAPOR PROCESSORS - A fuel vapor processor has a fuel tank, a canister, a vapor pipe, a recovery pipe, an air pipe, a suction device, a vapor pipe valve, an air pipe valve, and a pressure regulator. The vapor pipe leads fuel vapor generated in the fuel tank to the canister for trapping the fuel vapor in the canister. The recovery pipe recoveries the fuel vapor desorbed from the canister into the fuel tank. The air pipe communicates the canister with the atmosphere. The suction device is disposed on the recovery pipe for desorbing the fuel vapor trapped in the canister. The pressure regulator is communicated with the air pipe between the air pipe valve and the canister in order to allow gas flow from the atmosphere toward the canister. During desorption of the fuel vapor due to the suction device, the vapor pipe valve and the air pipe valve are closed, and negative pressure is kept in the canister such that the fuel vapor is desorbed from the canister and fresh air is led into the canister via the pressure regulator. | 01-20-2011 |
20110100219 | DEAERATION AND AERATION SYSTEM FOR A FUEL TANK AND OPERATING METHOD - A fuel tank deaeration and aeration system, including a first main filter device having an inlet and an outlet, wherein the inlet is in fluid communication with a fuel tank; and a second additional filter device having an inlet and an outlet, wherein the inlet is in fluid communication with the outlet of the main filter device, and the additional filter device outlet is in fluid communication with an environment of a vehicle, and wherein a bypass valve controls a bypass, which bypasses the additional filter device. | 05-05-2011 |
20110214571 | DEGASSER WITH VENT IN VACUUM CHAMBER - A degassing apparatus ( | 09-08-2011 |
20110239865 | HYDROPHOBIC OZONE-STABLE MEMBRANE MADE OF POLYVINYLIDENE FLUORIDE - The invention relates to a hydrophobic, integrally asymmetrical hollow-fiber membrane made of a vinylidene fluoride homopolymer or copolymer, wherein the wall of said membrane has a microporous supporting layer having a sponge-like, open-pored, essentially isotropic pore structure without finger pores, said supporting layer extending across at least 90% of the wall thickness and having pores with an average diameter of less than 0.5 μm. The hollow-fiber membrane is characterized in that it has a separating layer adjacent to the supporting layer on its outer surface and that it has an outer surface with a homogeneous, uniform structure without pores, a porosity in the range from 40 to 80 vol. %, a wall thickness from 25 to 100 μm, a diameter of the lumen of the hollow-fiber membrane from 100 to 500 μm, a permeability for nitrogen of at least 25 ml/(cm | 10-06-2011 |
20120024156 | BLOOD STORAGE BAG SYSTEM AND DEPLETION DEVICES WITH OXYGEN AND CARBON DIOXIDE DEPLETION CAPABILITIES - A blood storage system. The system has a collection bag for red blood cells; an oxygen/carbon dioxide depletion device; a storage bag for red blood cells; and tubing connecting the collection bag to the depletion device and the depletion device to the storage bag. The depletion device includes a receptacle of a solid material having an inlet and an outlet adapted to receiving and expelling a flushing gas; a plurality of hollow fibers or gas-permeable films extending within the receptacle from an entrance to an exit thereof. The hollow fibers or gas-permeable films are adapted to receiving and conveying red blood cells. | 02-02-2012 |
20120097034 | LITHOGRAPHIC APPARATUS, DEVICE MANUFACTURING METHOD AND APPARATUS FOR DE-GASSING A LIQUID - An apparatus configured to de-gas a liquid includes a semi-permeable membrane having a first side on which the liquid is provided; and (i) a vaporizer configured to provide vapor of the liquid to a second side of the membrane; or (ii) a gas inlet configured to provide a gas to the second side of the membrane, the gas adapted to dissociate when dissolved in the liquid and an ion exchanger for the liquid downstream of the semi-permeable membrane. | 04-26-2012 |
20120227587 | Venting and Filtration Systems with Gas Permeable Membrane - Embodiments of the invention provide venting and filtration systems with a membrane that is permeable to gas and substantially impermeable liquid. The systems can remove a gas from a liquid entrained with gas. The systems can include a reservoir in fluid communication with the membrane and a liquid outlet. The membrane can help prevent the gas from reaching the liquid outlet. | 09-13-2012 |
20120234171 | SYSTEM FOR DEGASSING A LIQUID - One example embodiment includes a system for degassing a liquid. The system includes a first chamber, where a liquid flows through the first chamber. The system also includes a second chamber, where the second chamber is configured to contain one of a vacuum or a sweep gas. The system further includes a membrane, wherein the membrane allows a gas to pass between the first chamber and the second chamber. | 09-20-2012 |
20120240769 | Apparatus for Pervaporation Control in Liquid Degassing Systems - A liquid degassing apparatus is arranged to limit pervaporation through a membrane by establishing a pervaporation control space at a permeate side of the membrane. The pervaporation control space is defined in a vacuum chamber between the membrane and a shield member. The shield member may be substantially gas and liquid impermeable to maintain an environment in contact with the permeate side of the membrane that is relatively rich in solvent vapor concentration, thereby limiting further liquid pervaporation across the membrane. | 09-27-2012 |
20120240770 | Apparatus for Pervaporation Control in Liquid Degassing Systems - A liquid degassing apparatus is arranged to limit pervaporation through a membrane by attenuating pressure oscillations developed by a vacuum pump. The attenuation is obtained through a combination of one or more flow restrictors and added volume chambers fluidly interposed between the degassing chamber and the vacuum pump. The pressure oscillation attenuation may further inhibit cross-contamination of pervaporated solvents among a plurality of distinct degassing chambers. | 09-27-2012 |
20120247337 | LIQUID DEGASSING MEMBRANE CONTACTORS, COMPONENTS, SYSTEMS AND RELATED METHODS - The present invention is directed to contactors, modules, components, systems, and/or methods of manufacture, and/or methods of use including degassing liquids. The contactor or module is integrally potted, has planar, disc shaped end caps, and a cylindrical housing or shell receiving and supporting a membrane structure. Each of the planar disc shaped end caps has a central opening therein adapted to receive a liquid end port or nozzle and is held in place in the housing or shell by at least one retaining element. The integrally potted membrane structure is preferably potted in place in the housing or shell by an inverted potting process involving the use of a removable plunger or plug to recess the potting. | 10-04-2012 |
20120247338 | VENTING DEVICE FOR A HOUSING AND METHOD FOR PRODUCING SAME - A venting device for a housing, for example, a battery housing, has a gas-permeable and liquid-impermeable membrane attached to the housing so as to close off a venting opening of the housing. The membrane has a membrane section that overlaps and covers the venting opening. The membrane section has a predetermined bursting pressure. The membrane section deforms without being destroyed when pressure differences between the interior of the housing and the environment occur that are below the bursting pressure and when gas passes through the membrane section. | 10-04-2012 |
20120266753 | HYGIENIC BEDDING INCLUDING MICROBIAL DETECTION VALVES AND INFECTION CONTROLS CUSHIONING AND/OR BEDDING DEVICES COMPRISING SAID MICROBIAL DETECTION VALVES - The present invention relates to microbial detection valves and particularly, unidirectional valves which include means for detecting the presence of microbes. The present invention also relates to infection control cushioning and/or bedding including said microbial detection valves. In another aspect, the present invention concerns improvements in and relating to hygienic bedding and particularly in and relating to hygienic bedding covers. The present invention has the advantage that it provides a one-way valve incorporated into the pillow cover as well as a microbial filter membrane, to allow air to exhaust quickly from the pillow through the valve, bypassing the membrane. Air re-entering the pillow may only pass through the microbial filter membrane. Thus, air re-entering the pillow does so at slower speed, but has the advantage that forcing the re-entering air to pass through the micorbial filter allows only sterile air to enter the pillow. The present invention also provides a means for sealing hygienic bedding such as a mattress in a waterproof covering while enabling visual inspection. | 10-25-2012 |
20130125755 | SEPARATION MEMBRANE MODULE AND FUEL VAPOR PROCESSING APPARATUS INCORPORATING THE SAME - One aspect of the present teachings includes a separation membrane arranged in a hollow case. A particular component concentration chamber and a particular component dilution chamber are arranged in series in the hollow case. The particular component concentration chamber is capable of increasing concentration of the particular component by allowing permeation of the particular gas through the separation membrane. The particular component dilution chamber is capable of increasing concentration of the particular component by not allowing permeation of the particular gas through the separation membrane. The particular component concentration chamber and the particular component dilution chamber are configured such that only a gas containing the particular component and permeated through the separation membrane or only a gas containing the particular component not permeated through the separation membrane in one of the chambers disposed on an upstream side (i.e., the side of the inlet port) can flow into the other of the chambers. | 05-23-2013 |
20130213233 | Filter Cartridge with Gas-Permeable Element - A filter cartridge includes a filtering medium having a tubular cavity and an upper flange having an orifice communicating with the tubular cavity. A gas-permeable element closes off the orifice and has a greater permeability than the filtering medium, and less resistance to gas flow than the filtering medium. | 08-22-2013 |
20130247760 | LIQUID DEGASSING MEMBRANE CONTACTORS, COMPONENTS, SYSTEMS AND RELATED METHODS - In at least certain embodiments, the present invention is directed to contactors, modules, components, systems, and/or methods of manufacture, and/or methods of use including degassing liquids. In at least particular possibly preferred embodiments, the contactor or module is integrally potted, has planar, disc shaped end caps, and a cylindrical housing or shell receiving and supporting a membrane structure. In at least particular possibly preferred embodiments, each of the planar disc shaped end caps has a central opening therein adapted to receive a liquid end port or nozzle, another opening therein adapted to receive a gas end port or threaded pipe, and is held in place in the housing or shell by at least one retaining element such as a retaining or locking ring. In at least particular possibly preferred embodiments, the integrally potted membrane structure is potted in place in the housing or shell by an inverted potting process involving the use of a removable plunger or plug to recess the potting. | 09-26-2013 |
20130319241 | SYSTEM FOR DEGASSING A LIQUID - One example embodiment includes a system for degassing a liquid. The system includes a first chamber, where a liquid flows through the first chamber. The system also includes a second chamber, where the second chamber is configured to contain a gas. The system further includes an ejector, where the ejector is configured to move the gas within the second chamber. The system additionally includes a membrane, where the membrane allows a gas to pass between the first chamber and the second chamber. | 12-05-2013 |
20130327219 | HIGH PRESSURE LIQUID DEGASSING MEMBRANE CONTACTORS AND METHODS OF MANUFACTURING AND USE - In accordance with at least selected embodiments of the present invention, an improved liquid degassing membrane contactor or module includes a high pressure housing and at least one degassing cartridge therein. It may be preferred that the high pressure housing is a standard, ASME certified, reverse osmosis (RO) or water purification pressure housing or vessel (made of, for example, polypropylene, polycarbonate, stainless steel, corrosion resistant filament wound fiberglass reinforced epoxy tubing, with pressure ratings of, for example, 150, 250, 300, 400, or 600 psi, and with, for example 4 or 6 ports, and an end cap at each end) and that the degassing cartridge is a self-contained, hollow-fiber membrane cartridge adapted to fit in the RO high pressure housing. | 12-12-2013 |
20130333568 | TRACE COMPONENT REMOVAL IN CO2 REMOVAL PROCESSES BY MEANS OF A SEMIPERMEABLE MEMBRANE | 12-19-2013 |
20140216258 | CONTACTORS, CARTRIDGES, COMPONENTS, SYSTEMS, AND RELATED METHODS - The instant application relates to a high pressure spiral-type hollow fiber membrane fabric-containing module or contactor, comprising: a high pressure module housing or vessel; a pair of end caps; liquid end ports and at least one gas port; and at least one membrane cartridge, wherein each module or contactor has one or more shims, spacers, protrusions, and/or the like on a cartridge shell exterior, on a module housing interior, on the cartridge shell exterior and on the module housing interior, and/or between the shell and the housing. | 08-07-2014 |
20150047506 | Hydrogen Membrane Separator - The present application is directed to a hydrophobic membrane assembly ( | 02-19-2015 |
20150053083 | MULTI-CARTRIDGE MEMBRANE CONTACTORS, MODULES, SYSTEMS, AND RELATED METHODS - A multi-cartridge membrane contactor that can be used for many purposes, including, but not limited to, being a multi-cartridge degassing module. In accordance with at least particular certain embodiments, the module includes a plurality of hollow-fiber cartridges placed in a radial pattern around a central cartridge within a single larger vessel. For example, there may be two radial sets of cartridges placed in series at each of the radial positions. | 02-26-2015 |
20150053084 | Apparatus and Methods for Changing the Concentration of Gases in Liquids - Apparatus, and components for use in apparatus, for changing the concentration of a selected gas in a liquid, for example for degassing liquids. In one apparatus, the apparatus has a flow channel (a) through which the liquid is passed, and (b) which comprises a wall comprising a planar separation membrane, and (c) has a height of 0.00025-0.01 and an aspect ratio (width to height) of at least 25:1. One component, which can be used to support a separation membrane, comprises (a) an inner selection plate surface which comprises (i) a selection plate base and (ii) selection plate elements which (a) extend from the base, (b) are separated by intercommunicating selection areas, and (c) have outer surfaces remote from the selection plate base. Another component is a planar separation membrane which comprises (a) a membrane transmission section, and (b) a membrane peripheral member which surrounds the membrane transmission section and which includes location features which facilitate the location of the membrane at a desired position relative to another component. | 02-26-2015 |
20150059576 | COMPOSITE HOLLOW FIBER MEMBRANE AND HOLLOW FIBER MEMBRANE MODULE - This composite hollow fiber membrane comprises a non-porous homogeneous layer which is gas-permeable and a porous support layer which supports said homogeneous layer, and is characterized in that the non-porous homogeneous layer is hydrophobic and the polyolefin resin constituting the porous support layer contains a hydrophilic additive. By this means, a composite hollow fiber membrane for use in degassing can be provided that is hydrophilic, has high water vapor permeability, and can solve the problem of gas permeability being reduced due to condensate in the porous substance. | 03-05-2015 |
20150122129 | COMPOSITE HOLLOW FIBER MEMBRANE AND HOLLOW FIBER MEMBRANE MODULE - This composite hollow fiber membrane comprises a gas-permeable non-porous homogeneous layer which has a polyolefin resin (A) as the main component and a porous support layer which is made of a polyolefin resin (B) and which supports said non-porous homogeneous layer, and the composite hollow fiber membrane is characterized in that the polyolefin resin (A) of non-porous homogeneous layer is a block copolymer of ethylene units and at least one type of olefin unit selected from α-olefin units having a carbon number of 3-20. By this means, a gas-permeable composite hollow fiber membrane is provided which has good gas permeability, reduces the impact of condensate on the performance of a gas dissolving module, and has excellent elution properties. | 05-07-2015 |
20150135956 | Tank Venting Filter having a Constriction in the Air Inlet Area - A tank venting filter is provided with a housing defining a longitudinal filter axis that is vertically oriented in operation. The housing has a top end and a bottom end and is provided with an air inlet at the bottom end and with an air outlet at the top end. The air outlet is connectable to a tank. The housing is provided with a constriction above the air inlet. A filter element is disposed in the housing and fluidically arranged between the air inlet and the air outlet. The filter element is provided with a first filter. The constriction has an opening cross-section surface area that is less than 40% of an opening cross-section surface area of the air inlet. | 05-21-2015 |
20150321141 | COMPOSITE MEMBRANES FOR OLEFIN/PARAFFIN SEPARATION - This invention presents a metal-doped zeolite membrane-based apparatus containing molecular sieving zeolite thin film on the seeded porous substrate. The metal-doped zeolite membrane exhibits high selectivity to olefin over paraffins. The membrane is synthesized by seed coating and secondary growth method, followed by metal doping and post treatment processes. | 11-12-2015 |
20150343368 | COMBINED CARBON DIOXIDE CAPTURE AND DESALINATION DEVICE - The present invention relates to an apparatus for integrating carbon dioxide capture and desalination. The apparatus includes an absorption unit absorbing carbon dioxide included in a flue gas by bringing the flue gas into contact with an absorption solution in which a volatile absorbent absorbing carbon dioxide is dissolved, a draw solution chamber storing the absorption solution supplied from the absorption and using the absorption solution as a draw solution, a forward osmosis separator separating fresh water from raw water by a forward osmosis method using the draw solution flowing in from the draw solution chamber, a buffer chamber fluidly connected to the draw solution chamber supplied with a portion of the diluted draw solution that has passed through the forward osmosis separator, a fresh water separating unit separating fresh water from the diluted draw solution that has passed through the forward osmosis separator, a carbon dioxide separating unit separating carbon dioxide from the draw solution supplied from the buffer chamber, and a control unit controlling concentrations and amounts of the draw solutions stored in the draw solution chamber and the buffer chamber. | 12-03-2015 |
20150380278 | HARDWARE FOR THE SEPARATION AND DEGASSING OF DISSOLVED GASES IN SEMICONDUCTOR PRECURSOR CHEMICALS - An apparatus for degassing gases having large gas molecules, such as argon, from liquids for use in semiconductor processing is provided. The apparatus includes a spool-free tubing in a cylindrical vessel with a removable lid and crystalline window. The apparatus is assembled by removing the lid, connecting the tubing via connectors to an inlet and outlet in the lid, and placing the tubing into the vessel with the lid, and securing the lid. | 12-31-2015 |
20160008739 | PUMP WITH WATER MANAGEMENT | 01-14-2016 |