Filter device

A filter device of the present disclosure includes a first port from which a solution containing a substance is to be input, and a first flow passage communicating with the first port. A filter portion made of a plurality of fibrous substances including inorganic oxide is formed in at least one part in the first flow passage. The plurality of fibrous substances has one peak in the diameter distribution.

Non-woven fiber fabric, and production method and production device therefor

The present invention provides a method for producing a non-woven fiber fabric by spinning a molten polymer. Thus, a non-woven fiber fabric which is substantially free from a solvent, different from the case of spinning a polymer solution, but yet has an extremely small fiber size (diameter of 0.5 μm or less) is provided. The non-woven fiber fabric comprises an olefin-based thermoplastic resin fiber, said fiber having an average fiber size of 0.01-0.5 μm, and said non-woven fiber fabric having an average pore size of 0.01-10.0 μm and being free from a solvent component.

Multilayer filter medium for use in filter, and filter

A multilayer filter medium, which is used as a constituent member of a filter and has a multilayer structure, includes a wet type nonwoven fabric layer A containing 0.5 to 20% by weight, based on layer weight, of short-cut nanofibers which are composed of a fiber-forming thermoplastic polymer, have a single fiber diameter (D) of 100 to 1,000 nm and are cut so that the ratio (L/D) of the length (L) to the single fiber diameter (D) is within the range of 100 to 2,500 and core-sheath conjugate type binder fibers having a single fiber diameter of 5 μm or more, and a nonwoven fabric layer B having a lower density than that of the wet type nonwoven fabric layer A. A filter uses the multilayer filter medium and has the nonwoven fabric layer B arranged on a fluid inlet side.

ELECTRETIZED SHEET AND FILTER

The electret-treated sheet includes: a core layer (A) which is a porous film containing at least a thermoplastic resin; a surface layer (X) disposed on one side of the core layer (A); and a back surface layer (Y) disposed on the other side of the core layer (A), the surface layer (X) and the back surface layer (Y) each having a charged outermost surface, wherein the electret-treated sheet has a water vapor permeability coefficient of 0.1 to 2.5 g·mm/m·24 hr; the core layer (A) has a pore aspect ratio of 5 to 50 and an average pore height of 2.5 to 15 μm; the surface layer (X) and the back surface layer (Y) each have a thickness of 5 to 200 μm; and the surface layer (X) includes a heat seal layer (B) including the outermost surface, wherein the heat seal layer (B) has a melting point of 50 to 140° C. 1. An electret-treated sheet comprising:a core layer (A) which is a porous film containing a thermoplastic resin;a surface layer (X) disposed on one side of the core layer (A); and a back surface layer (Y) disposed on the other side of the core layer (A),the surface layer (X) and the back surface layer (Y) each having a charged outermost surface, wherein:{'sup': '2', 'the electret-treated sheet has a water vapor permeability coefficient of 0.1 to 2.5 g·mm/m·24 hr;'}the core layer (A) has a pore aspect ratio of 5 to 50 and an average pore height of 2.5 to 15 μm;the surface layer (X) and the back surface layer (Y) each have a thickness of 5 to 200 μm; andthe surface layer (X) comprises a heat seal layer (B) comprising the outermost surface, whereinthe heat seal layer (B) has a melting point of 50 to 140° C.2. The electret-treated sheet according to claim 1 , whereinthe number of pore interfaces of the core layer (A) is 50 to 1000 interfaces/mm.3. The electret-treated sheet according to claim 1 , whereinthe thermoplastic resin contained in the core layer (A) is polyolefin resin.4. The electret-treated sheet according to claim 1 , whereinthe heat seal layer (B) is a resin ...

Filter Element and Method of Manufacturing a Filter Element

A filter element for the filtration of fluids can be manufactured from powdered metal using a laser manufacturing process. The powdered metal is deposited in a layer on fabrication platform and a laser beam is directed toward the layer of material so that the powdered metal granules fuse together to form a first component of the filter element. Successive layers of powdered metal can be deposited over the first component and also fused with the laser beam to form additional components. During the manufacturing process, the power or scan rate of the laser beam many be changed so that the formed layers of the filter element may have different porosity characteristics, for example, with certain portions being fluid permeable and other portions being fluid impermeable. 1. A filter element manufactured by a laser manufacturing process , the filter element comprising:a first component corresponding a filtration media and having a first porosity that is permeable to fluid; anda second component corresponding to a solid component of the filter element and having a second porosity less than the first porosity and that is impermeable to fluid;wherein the first component and the second component are manufactured from powdered metal and are formed integrally adjacent to each other by a laser beam.2. The filter element of claim 1 , wherein the second component is a brazing barrier.3. The filter element of claim 2 , further comprising a third component having a third porosity different from the second porosity claim 2 , the third porosity configured to receive flow of a brazing material.4. The filter element of claim 3 , further comprising a solid housing component joined to the third component by brazing.5. The filter element of claim 4 , wherein the filtration media has a cup-like shape with a closed top and an opened rim; the second component is formed as a first annular collar disposed adjacently around the opened rim; and the third component is formed as a second annular ...

Method of preparing silicon carbide and filters made therefrom

A method of making SiC nanowires comprising: (a) mixing silicon powder with a carbon-containing biopolymer and a catalyst at room temperature to form a mixture; and (b) heating said mixture to a pyrolyzing temperature sufficient to react said biopolymer and said silicon power to form SiC nanowires.

SILICON CARBIDE FILTER MEMBRANE AND METHODS OF USE

Described are silicon carbide filters for use with liquid metals such as liquid tin, as well as methods of using such a filter to remove particles from the liquid metal, and systems and processes that use the filtered liquid metal. 1. A multi-layer porous silicon carbide filter membrane comprising:a fine membrane layer of fine porous silicon carbide having a fine pore size, anda coarse membrane layer of coarse porous silicon carbide having a coarse pore size, the coarse pore size being greater than the fine pore size.2. The membrane of claim 1 , wherein the fine porous silicon carbide has an average pore size of less than 2.0 microns.3. The membrane of claim 1 , wherein the fine porous silicon carbide has an average pore size of less than 1 micron.4. The membrane of claim 1 , wherein the coarse membrane has a pore size of greater than 2.0 microns.5. The membrane of claim 1 , wherein the fine porous silicon carbide has a bubble point of not greater than 15 pounds per square inch.6. The membrane of claim 1 , wherein the coarse porous silicon carbide has a bubble point of not greater than 20 pounds per square.7. The membrane of claim 1 , wherein the fine porous silicon carbide has a porosity in a range from 15 to 27 percent claim 1 , and the coarse porous silicon carbide has a porosity in a range from 15 to 22 percent.8. The membrane of claim 1 , wherein the fine membrane layer has a thickness in a range from 1 to 7 millimeters.9. The membrane of claim 1 , wherein the coarse membrane layer has a thickness in a range from 1 to 7 millimeters.10. The membrane of claim 1 , wherein a total thickness of the fine membrane layer and the coarse membrane layer is in a range from 1 to 15 millimeters.11. The membrane according to claim 1 , wherein:the fine membrane layer produces silicon carbide particulates that can be detected on a surf ace of the fine membrane layer, andthe coarse membrane layer produces silicon carbide particulates that can be detected on a surface of the ...

Filter material

A filter material for an air filter may include a substrate layer on an inflow side and a fine-fibre layer on an outflow side relative to a flow direction. The filter material may include a connection region arranged between the substrate layer and the fine-fibre layer. The substrate layer, connection region and fine-fibre layer may include pores having an aggregate degressive pore size with respect to the flow direction. A combined thickness of the substrate layer, connection region and fine-fibre layer may be at least 0.35 mm. The substrate layer may include a cellulose material and have an impregnation of resin disposed along the inflow side. The resin may amount to approximately 22% by mass of the substrate layer.

High-purity composite materials, methods of making high-purity composite materials, and methods of using high-purity composite materials

A composite filter aid may include acid-washed diatomaceous earth and a low extractable metal mineral. A method for making a composite material may include blending an acid-washed diatomaceous earth and a low extractable metal mineral, adding a binder to the blended diatomaceous earth and low extractable metal mineral, and forming the composite material from the acid-washed diatomaceous earth, the low extractable metal mineral, and the binder. A method for filtering a liquid may include providing a liquid for filtering and filtering the liquid through a composite filter aid that includes an acid-washed diatomaceous earth and a low extractable metal mineral.

FILTER ELEMENT CONFIGURATIONS

The current technology relates to various filter elements configurations where a substrate layer defines a surface having a treatment. The treatment increases a roll off angle of the surface for a 50 water droplet when the surface is immersed in toluene. The filter element can have a housing and the substrate disposed in the housing. In some embodiments the substrate layer defines a plurality of pleats extending between pleat folds that form flow faces of the media. In some embodiments the substrate is incorporated into single facer media of a filter element. In some embodiments the substrate layer is incorporated in a filter element having a flow-by configuration. In some embodiments the substrate layer is incorporated in a filter element having a cross-flow configuration. Some embodiments relate to a vent. Some embodiments relate to a barrier assembly and/or a fuel filter element. Various other filter elements are described. 1. A filter element comprising:a substrate layer defining a first surface having a treatment that increases a roll off angle of the first surface for a 50 μL water droplet when the first surface is immersed in toluene, wherein the substrate layer defines a plurality of pleats extending between a first set of pleat folds and a second set of pleat folds, wherein the first set of pleat folds defines a first face and the second set of pleat folds defines a second face.2. The filter element of any one of and - , wherein the roll off angle of the first surface is in a range of 50 degrees to 90 degrees and the first surface has a contact angle in a range of 90 degrees to 180 degrees for a 50 μL water droplet when the first surface is immersed in toluene.3. The filter element of any one of - and - , wherein the first face is opposite the second face relative to the filter element.4. The filter element of any one of - and - , wherein a distance between each adjacent pleat fold in the first set of pleat folds is greater than a distance between each ...

Plasma Separation Device

Devices and methods are provided that permit efficient and selective separation of liquid biological specimens into at least two constituent components to facilitate subsequent quantitative and qualitative analysis on at least one analyte of interest in at least one of the components. The devices generally include one or more sample deposition regions supported on a base. Each sample deposition region includes a separation membrane for separating the liquid biological specimen into two different fractions. The first fraction is trapped by the separation membrane while the second fraction passes through the separation membrane and into a respective collection membrane. The separation and collection membranes are easily separable from the devices and can be utilized for further processing and analysis.

MULTILAYER CELLULAR MEMBRANES FOR FILTRATION APPLICATIONS

A filter includes a fibrous substrate having a plurality of coextruded first polymer material fibers and second polymer material fibers. Each of the first and second fibers are separated from each other and have a rectangular cross-section defined in part by an additional encapsulating polymer material that is separated from the first polymer material fibers and second polymer material fibers. The fibrous substrate has a pore size range of between about 0.1 μm to about 0.4 μm. 1. A filter comprising:a fibrous substrate that includes a plurality of coextruded first polymer material fibers and second polymer material fibers, each of the first and second fibers being separated from each other and having a rectangular cross-section defined in part by an additional encapsulating polymer material that is separated from the first polymer material fibers and second polymer material fibers, wherein the fibrous substrate has a pore size range of between about 0.1 μm to about 0.4 μm.2. The filter of claim 1 , wherein the first polymer material comprises polyvinylidene difluoride claim 1 , the second polymer material comprises high density polyethyelene claim 1 , and the encapsulating polymer material comprises polystyrene.3. The filter of claim 1 , wherein the fibrous substrate has a porosity of about 56%.4. The filter of claim 1 , wherein the fibrous substrate has a mean pore size of about 0.2 μm.5. The filter of claim 1 , wherein the filter is an air filter.6. The filter of claim 5 , wherein the first polymer material comprises polyvinylidene difluoride claim 5 , the second polymer material comprises high density polyethyelene claim 5 , and the encapsulating polymer material comprises polystyrene.7. The filter of claim 5 , wherein the polymer materials are surface charged to improve dust collection efficiency.8. The filter of claim 1 , wherein the filter is a fuel filter and the polymer materials have an intermediate hydrophilicity and water-coalescing capability.9. The ...

Boron-Free Aluminum Castshop Ceramic Foam Filter

An improved porous ceramic foam filter, and method of making the porous ceramic foam filter is provided. The porous ceramic foam filter comprising 28-78 wt % alumina; 18-78 wt % silica; and 1-15 wt % Group II oxide. 1. A porous ceramic foam filter comprising:28-78 wt % alumina;18-78 wt % silica; and1-15 wt % Group II oxide.2. The porous ceramic foam filter of comprising less than 3 wt % other metal oxides.3. The porous ceramic foam filter of comprising:28-75 wt % alumina.4. The porous ceramic foam filter of comprising:20-65 wt % silica.5. The porous ceramic foam filter of comprising:2-12 wt % Group II oxide.6. The porous ceramic foam filter of wherein said Group II oxide is selected from calcium claim 1 , strontium claim 1 , barium and magnesium.7. The porous ceramic foam filter of wherein at least 50 wt % of said Group II oxide is calcium oxide.8. The porous ceramic foam filter of comprising an aluminosilicate core and a glass shell.9. The porous ceramic foam filter of wherein said aluminosilicate core comprises kyanite.10. The porous ceramic foam filter of comprising 70-90 wt % of said aluminosilicate core and 10-30 wt % of said glass shell.11. The porous ceramic foam filter of comprising:an aluminosilicate core; anda shell comprising:40-80 wt % silica;10-50 wt % Group II oxide; and0-20 wt % Alumina.12. The porous ceramic foam filter of wherein said shell comprises:55-70 wt % silica;25-40 wt % Group II oxide; and0-10 wt % Alumina.13. The porous ceramic foam filter of comprising:an aluminosilicate core comprising:40-80 wt % alumina; and20-60 wt % silica; anda shell.14. The porous ceramic foam filter of comprising:an aluminosilicate core comprising:50-70 wt % alumina; and30-50 wt % silica; anda shell.15. The porous ceramic foam filter of comprising: 40-80 wt % alumina; and', '20-60 wt % silica; and, 'an aluminosilicate core comprising 40-80 wt % silica;', '10-50 wt % Group II oxide; and', '0-20 wt % Alumina., 'a shell comprising16. The porous ceramic foam filter of ...

FILTER MEDIA CONFIGURATIONS

The current technology relates to filter media configurations where the filter media has a surface with a treatment that that increases the roll off angle of the surface for a 50 μL water droplet when the surface is immersed in toluene. Some example filter media has a fluted configuration, and some example filter media has multiple layers. Filter media having multiple layers can be single facer media, for example, where one layer is planar and another layer is fluted. 1. A filter media comprising:a substrate layer having a first surface having a treatment that increases the roll off angle of the first surface for a 50 μL water droplet when the first surface is immersed in toluene, wherein the substrate layer has a first edge and a second edge and the substrate layer defines a plurality of flutes extending between the first edge and the second edge.2. The filter media of any one of and - , wherein the roll off angle of the first surface is in a range of 50 degrees to 90 degrees and the first surface has a contact angle in a range of 90 degrees to 180 degrees for a 50 μL water droplet when the first surface is immersed in toluene.3. The filter media of any one of - and - , wherein the substrate layer further defines a second surface having a roll off angle in a range of 50 degrees to 90 degrees and a contact angle in a range of 90 degrees to 180 degrees for a 50 μL water droplet when the second surface is immersed in toluene.4. The filter media of any one of - and - , wherein the flutes are tapered.5. The filter media of any one of - and - , wherein the flutes define ridges.6. The filter media of any one of - and - , wherein the roll off angle of the first surface is in a range of 60 degrees to 90 degrees , in a range of 70 degrees to 90 degrees , or in a range of 80 degrees to 90 degrees.7. The filter media of any one of - and - , wherein the first surface comprises a UV-treated surface.8. The filter media of any one of - and - , wherein the first surface comprises a ...

Filter

The present invention provides a filter which, even when raw water is subjected to high-speed treatment, enables achieving a high solute rejection ratio and a long solute filtration life and which exhibits a low water flow resistance. The present invention pertains to a filter obtained by laminating woven fabrics or knitted fabrics, the filter being characterized in that: said woven fabrics or knitted fabrics comprise a fiber capable of adsorbing components dissolved in liquid: said fiber has a diameter of 100-600 μm; the woven fabrics or knitted fabrics have a porosity of 15-70%; and variation in area porosity in the thickness direction of the laminate is 15% or less.

FILTER MEDIUM FOR LIQUID FILTER AND LIQUID FILTER

The invention addresses the problem of providing a filter medium for a liquid filter, which has a low weight per unit and yet has high strength, high collectability, and a long life, and also a liquid filter. As a means for resolution, using a main fiber having a fiber diameter of 4.0 μm or less and an aspect ratio of 100 to 2,500 and a binder fiber having a fiber diameter of 3.0 μm or less and an aspect ratio of 100 to 2,500, a filter medium for a liquid filter in which the weight proportion of the binder fiber relative to the weight of the filter medium is 10 to 50 wt %, and the weight per unit is within a range of 5 to 80 g/m, and also a liquid filter are obtained. 1. A filter medium for a liquid filter ,comprising a main fiber having a fiber diameter of 4.0 μm or less and an aspect ratio of 100 to 2,500 and a binder fiber having a fiber diameter of 3.0 μm or less and an aspect ratio of 100 to 2,500, the weight proportion of the binder fiber relative to the weight of the filter medium being 10 to 50 wt %; and{'sup': '2', 'having a weight per unit within a range of 5 to 80 g/m.'}2. The filter medium for a liquid filter according to claim 1 , wherein the main fiber includes a polyester fiber claim 1 , a polyphenylene sulfide fiber claim 1 , a polyolefin fiber claim 1 , or a nylon fiber.3. The filter medium for a liquid filter according to claim 1 , wherein the binder fiber includes a composite fiber or an undrawn fiber.4. The filter medium for a liquid filter according to claim 1 , wherein the filter medium for a liquid filter includes a wet-laid nonwoven fabric.5. The filter medium for a liquid filter according to claim 1 , having a thickness within a range of 10 to 100 μm.6. The filter medium for a liquid filter according to claim 1 , having a porosity within a range of 50 to 90%.7. The filter medium for a liquid filter according to claim 1 , having a tensile strength of 8 N/15 mm or more in the MD direction and 3 N/15 mm or more in the CD direction.8. The filter ...

Filter

A filtration material is disclosed that may include a first layer comprising a first three-dimensional network of fibers including a first plurality of cells, including an extracellular matrix comprising α-glucan and chitin. The filtration material may include a second layer fluidly downstream of the first layer comprising a second three-dimensional network of fibers including a second plurality of cells, including an extracellular matrix including α-glucan and chitin and the second layer may be adhered to the first layer. The first layer and the second layer may be coated with a polymer mixture including a polymer configured to mitigate exposure of the first and second three-dimensional network of fibers to glucanases and chitanases and further resist thermal degradation below a predetermined temperature. The polymer mixture may further include an antioxidant at an amount sufficient to mitigate the polymer from thermally degrading below the predetermined temperature.

OUTER PERIPHERY COATING MATERIAL, OUTER PERIPHERY COATED HONEYCOMB STRUCTURE AND DUST COLLECTING FILTER

An outer periphery coating material being coated onto an outer peripheral surface of a ceramic honeycomb structure to form an outer periphery coated layer. The outer periphery coating material comprises: a particle mixture containing cordierite particles and amorphous silica particles in a mass ratio of from 40:60 to 80:20; and from 10 to 30% by mass of crystalline inorganic fibers in an outer percentage relative to the particle mixture. An average particle diameter of the cordierite particles is different from an average particle diameter of the amorphous silica particles. 1. An outer periphery coating material , the outer periphery coating material being coated onto an outer peripheral surface of a ceramic honeycomb structure to form an outer periphery coated layer ,wherein the outer periphery coating material comprises: a particle mixture containing cordierite particles and amorphous silica particles in a mass ratio of from 40:60 to 80:20; and from 10 to 30% by mass of crystalline inorganic fibers in an outer percentage relative to the particle mixture, andwherein an average particle diameter of the cordierite particles is different from an average particle diameter of the amorphous silica particles.2. The outer periphery coating material according to claim 1 , wherein the crystalline inorganic fibers have a fiber length of from 30 to 100 μm.3. The outer periphery coating material according to claim 1 , wherein the average particle diameter of the amorphous silica particles is larger than the average particle diameter of the cordierite particles.4. An outer periphery coated honeycomb structure claim 1 , comprising:a ceramic honeycomb structure; and{'claim-ref': {'@idref': 'CLM-00001', 'claim 1'}, 'an outer periphery coated layer formed on at least a part of an outer peripheral surface of the ceramic honeycomb structure, the outer periphery coated layer being a coated and cured product of the outer periphery coating material according to .'}5. The outer periphery ...

POROUS ARTICLE HAVING POLYMER BINDER SUB-MICRON PARTICLE

The invention relates to a solid porous article containing sub-micron functional additive particles held together using discrete sub-micron polymer binder particles. The porous article preferably also contains a majority of primary active particles in the 1 to 300 micron range. The solid porous articles are used to separate, precipitate, and/or trap components of a fluid that passes through the porous article. The solid porous articles are used to separate and trap components of a fluid that passes through the porous article. Preferred binders are polyvinylidene fluoride resins, such as Kyblock® resins from Arkema Inc. 1. A solid porous article comprising:a) a thermoplastic polymeric binder in the form of particles having an average particle discrete size of from 20 nm to 1 micron, andb) at least 50 weight percent of primary active particles, andc) greater than 0.5 weight percent of secondary functional additive particles having an average particle size of from 5 nm to 10,000 nm.2. The solid porous article of claim 1 , wherein said solid porous article comprises comprise greater than 1.0 weight percent claim 1 , based on the total weight of the solid porous article claim 1 , of secondary functional additive particles having an average particle size of from 10 to 5 claim 1 ,000 nm.3. The solid porous article of claim 2 , wherein said solid porous article comprises comprise greater than 10 weight percent claim 2 , based on the total weight of the solid porous article claim 2 , of secondary functional additive particles having an average particle size of from 25 to 1 claim 2 ,000 nm.4. The solid porous article of claim 1 , wherein said thermoplastic binder is present at from 1 to 30 weight percent claim 1 , based on the total weight of the solid porous article.5. The solid porous article of claim 4 , wherein said thermoplastic binder is present at from 5-14 wt percent claim 4 , based on the total weight of the solid porous article.6. The solid porous article of claim 1 ...

Filter media with improved conductivity

Filter media are provided having improved conductivity to enhance filtration efficiency and/or dissipate static charge, and methods for making the same. In one exemplary embodiment, the filter media can include a filtration substrate, and at least one conductive coating disposed on at least a portion of the filtration substrate. In use, the conductive coating is coupled to an energy source and it is effective to emit ions when energy is delivered thereto to increase the efficiency of the filtration substrate and/or to dissipate or eliminate static charge generated during filtration.

Filter plug to prevent proppant flowback

Provided is a filter plug, a well system, and a method for fracturing a well system. The filter plug, in one aspect, includes a filtration skeleton. The filter plug according to this aspect further includes a degradable material in contact with the filtration skeleton, the filtration skeleton and degradable material configured to lodge within a port in a wellbore, and thus substantially plug the port when the degradable material remains intact with the filtration skeleton and allow the filtration skeleton to filter particulate matter as fluid passes there through when the degradable material no longer remains intact with the filtration skeleton.

THERMALLY BONDED MULTI-LAYER FELT FILTRATION MEDIA

A filter formed essentially from a staple fiber is provided. A nonwoven staple fiber is compressed in to a mat or sheet of selected porosity. The mat or sheet does not include a binder or bicomponent fibers. The staple fibers may be heat treated. The sheet is formed into a selected geometric shape and the staple fibers are thermally fused to bind the staple fibers into a porous filter element. The preferred shape is a helically wound tube or plural sheets, each sheet being self-overlapped and compressed to overlap another sheet. Each sheet is preferably heated and compressed individually and the sheets may be selected to have different porosities and densities. 1. A multi-layer laminated filter media comprising:a first layer of filter media, the first layer of filter media comprising fibers that are non-bicomponent and free of binder material to comprise a first single melt component;a second layer of filter media, the second layer of filter media comprising fibers that are non-bicomponent and free of binder material to comprise a second single melt component;a thermally bonded interface between the first layer of filter media and the second layer of filter media utilizing at least one of the first single melt component and the second single melt component.2. The multi-layer laminated filter media of claim 1 , wherein the first layer of filter media and the second layer of filter media are formed from a single filter media sheet that is overlayed upon itself such that the filter media of the first layer is the same as the filter media of the second layer.3. The multi-layer laminated filter media of claim 1 , wherein the first layer of filter media and the second layer of filter media are formed from different first and second filter media sheets claim 1 , respectively claim 1 , and wherein first filter media sheet has a different filtration efficiency and porosity as compared to the second filter media sheet.4. The multi-layer laminated filter media of claim 1 , ...

System and Method of Continuous Glass Filament Manufacture

A system and a method of manufacturing continuous glass filament fiberglass media comprises melting glass within a temperature controlled melter. Molten glass exits through orifices in a bushing plate. The resulting fiberglass filaments are received on a rotating drum and sprayed with binder and aqueous solution. The resulting fiberglass mat is placed onto a let-off table then sprayed with aqueous solution before further processing. 1. An apparatus for manufacture of continuous glass filament filtration media , comprising:a reservoir comprising binder;a rotatable drum;a traversing glass melting furnace configured to move in a first direction parallel to an axis of rotation of the rotatable drum;{'b': 600', '601', '690', '693', '702', '754, 'a bushing plate coupled to the traversing glass melting furnace, the bushing plate consisting of one or more of Inconel alloys , , , , , and , wherein the bushing plate comprises a plurality of orifices configured to spin filaments.'}2. The apparatus according to claim 1 , wherein the bushing plate is oriented at a 5 to 7 degree angle relative to the axis of rotation of the rotatable drum.3. The apparatus according to claim 1 ,wherein the rotatable drum is 12 feet to 24 feet long; andwherein the rotatable drum is 12 feet to 22 to feet in circumference.4. The apparatus according to claim 3 , wherein the rotatable drum comprises a shaft of 2.5 inches to 4.5 inches in diameter.5. The apparatus according to claim 1 , further comprising one or more shields coupled to the bushing plate and extending 6 inches to 24 inches below the bushing plate.6. The apparatus according to claim 1 , wherein the plurality of orifices comprise countersunk openings.7. The apparatus according to claim 6 , wherein each of the plurality of orifices comprises an entry throat angle of 70 degrees to 100 degrees.8. The apparatus according to claim 6 , wherein each of the plurality of orifices comprises a tip with a tip length of 0.095 inch to 0.25 inch.9. The ...

COMPOSITE CERAMIC MATERIALS, ARTICLES, AND METHOD OF MANUFACTURE

Composite ceramic materials are disclosed herein which comprise two or more crystalline phases, wherein a first crystalline phase comprises a first refractory material having a first melting point, and a second crystalline phase comprises a second refractory material having a second melting point which is lower than the first melting point, and the second crystalline phase comprises large domain sizes of the second refractory material. Articles comprising such a composite ceramic material, such as honeycomb bodies, catalytic substrates, and particulate filters, are also disclosed herein, in addition to methods of manufacture thereof. 1. A ceramic material comprising:a first crystalline phase comprised of a first refractory material, the first crystalline phase having a first melting point;{'sup': '2', 'a second crystalline phase comprised of a second refractory material having a second melting point which is lower than the first melting point, wherein the second crystalline phase comprises domain sizes of greater than 5,000 μmas measured by Electron Backscattered Diffraction (EBSD).'}2. The ceramic material of wherein the first crystalline phase constitutes at least 50% by volume of the ceramic material.3. The ceramic material of wherein the second crystalline phase constitutes less than 50% by volume of the ceramic material.4. The ceramic material of wherein the first crystalline phase constitutes at least 50% by weight of the ceramic material.5. The ceramic material of wherein the second crystalline phase constitutes less than 35% by weight of the ceramic material.6. The ceramic material of wherein the first crystalline phase constitutes at least 55% by weight of the material claim 1 , and the second crystalline phase constitutes less than 35% by weight of the ceramic material.7. The ceramic material of wherein the first crystalline phase constitutes at least 60% by weight of the material claim 1 , and the second crystalline phase constitutes less than 30% by ...

Support and drainage material, filter, and method of use

Support and drainage materials, filter including the materials, and methods of use are disclosed.

FILTERING DEVICE, PURIFICATION DEVICE, CHEMICAL LIQUID MANUFACTURING DEVICE, FILTERED SUBSTANCE TO BE PURIFIED, CHEMICAL LIQUID, AND ACTINIC RAY-SENSITIVE OR RADIATION-SENSITIVE RESIN COMPOSITION

An object of the present invention is to provide a filtering device which makes it possible to obtain a chemical liquid having excellent performance and enables filter media to have sufficiently long pot life. Another object of the present invention is to provide a purification device, a chemical liquid manufacturing device, a filtered substance to be purified, a chemical liquid, and an actinic ray-sensitive or radiation-sensitive resin composition. A filtering device according to an embodiment of the present invention has a first filter unit including a first filter, which satisfies at least one condition selected from the group consisting of following conditions 1 to 3, and a housing accommodating the first filter and a second filter unit including a second filter different from the first filter and a housing accommodating the second filter, in which the first filter unit and the second filter unit are independently disposed in a pipe line through which a substance to be purified is supplied. 1. A filtering device comprising:a first filter unit including a first filter, which satisfies at least one condition selected from the group consisting of the following conditions 1 to 3, and a housing accommodating the first filter; anda second filter unit including a second filter different from the first filter and a housing accommodating the second filter,wherein the first filter unit and the second filter unit are independently disposed in a pipe line through which a substance to be purified is supplied,condition 1: the filter has a filter medium including two or more layers containing materials different from each other,condition 2: the filter has a filter medium including two or more layers having different pore structures,condition 3: the filter has a filter medium including one layer in which different materials are mixed together.2. The filtering device according to claim 1 ,wherein in a cumulative pore distribution of the filter medium that the first filter has, a ...

POROUS LIQUID AND METHODS OF MAKING AND USING THE SAME

The present disclosure relates to a porous liquid or a porous liquid enzyme that includes a high surface area solid and a liquid film substantially covering the high surface area solid. The porous liquid or porous liquid enzyme may be contacted with a fluid that is immiscible with the liquid film such that a liquid-fluid interface is formed. The liquid film may facilitate mass transfer of a substance or substrate across the liquid-fluid interface. The present disclosure also provides methods of performing liquid-based extractions and enzymatic reactions utilizing the porous liquid or porous liquid enzyme of the present disclosure. 1. A porous liquid or a porous liquid enzyme comprising:a high surface area solid; anda liquid film coating at least 30% of the surface area of the high surface area solid.2. The porous liquid of claim 1 , wherein the high surface area solid includes at least one of:a rough surface, a textured surface, or both;{'sup': '2', 'a sum of the apparent surface area of the solid of greater than 0.001 m/g; or combinations thereof.'}3. The porous liquid of claim 1 , wherein the high surface area solid comprises a matrix of solid features spaced sufficiently close to stably contain a liquid therebetween such that the solid features have an average dimension of about 0.1 μm to 1000 μm and/or an average distance between them of about 0.1 μm to 500 μm.4. The porous liquid of claim 1 , wherein the high surface area solid includes wool claim 1 , glass claim 1 , glass wool claim 1 , polyethylene claim 1 , insoluble fibers claim 1 , polyethylene wool claim 1 , quartz claim 1 , quartz wool claim 1 , fibers claim 1 , polymer fibers claim 1 , a 3D printed structure claim 1 , or a combination thereof.5. The porous liquid of claim 1 , wherein the high surface area solid is made of a material that is not reactive with the liquid film.6. The porous liquid of claim 1 , further comprising a fluid in contact with the liquid film claim 1 , wherein the fluid is ...

DRAINAGE MEDIUM FOR GAS FILTER

A coalescence filter including an inlet for supplying the gas to a filter element present in the coalescing filter, which filter element includes a coalescence medium for coalescing at least one disperse liquid phase during a displacement of a gas through the coalescence medium in a flow direction. The filter element downstream of the coalescence medium includes a drainage medium for draining the at least one coalesced disperse phase leaving the coalescence medium. The filter element contains a barrier layer positioned downstream of the coalescence medium, where the coalescence medium and the barrier layer are held at a distance from each other by one or more spacers to provide a drainage zone in the drainage layer of a drainage medium between a surface of the coalescence medium facing the barrier layer and the barrier layer for draining the coalesced disperse phase in a drainage direction. 129.-. (canceled)30. A gas filter for coalescing at least one dispersed liquid phase present in a gas , the gas filter comprising:an inlet for supplying the gas to a filter element present in the gas filter, which filter element comprises a coalescence medium for coalescing the at least one disperse phase during a displacement of the gas through the coalescence medium in a flow direction,wherein the filter element downstream of the coalescence medium comprises a drainage medium for draining the at least one coalesced disperse phase leaving the coalescence medium in a drainage direction which is transverse to the flow direction,wherein the filter element is composed of a single package of the coalescence medium, the drainage medium and a barrier layer,wherein the barrier layer is located downstream of the coalescence medium,wherein the coalescence medium and the barrier layer are held at a distance from each other by one or more spacers extending in the flow direction to provide a drainage layer in the drainage medium between the barrier layer and a surface of the coalescence ...

POROGEN COMPOSITIONS, METHODS OF MAKING AND USES

Provided are porogen compositions and methods of using such porogen compositions in the manufacture of porous materials, for example, porous silicone elastomers. The porogens generally include comprising a core material and shell material different from the core material. The porogens can be used to form a scaffold for making a resulting porous elastomer when the scaffold is removed. 1. A porogen composition usefulo forma scaffold for making a porous material , the composition comprising:a) a shell material; and 'wherein under a given physical or physicochemical treatment the shell material is fusible and the core material is non-fusible.', 'b) a core material;'}2. The porogen composition of claim 1 , wherein the shell fusion occurs by a physical state change from solid phase to liquid or rubbery phase.3. The porogen composition of claim 1 , wherein the physicochemical treatment is heat treatment.4. The porogen composition of claim 1 , wherein the physicochemical treatment is contact of the composition with an organic solvent.5. The porogen composition of claim 1 , wherein the shell material is a salt and its derivatives claim 1 , a ceramic and/or its derivatives claim 1 , a sugar and its derivatives claim 1 , a polysaccharide and its derivatives claim 1 , a wax and its derivatives claim 1 , a metal and its derivatives claim 1 , a surfactant and its derivatives claim 1 , a water soluble solid and its derivatives claim 1 , a polymer and its derivatives claim 1 , composites thereof claim 1 , or combinations thereof.6. The porogen composition of claim 1 , wherein the core material is a salt and its derivatives claim 1 , a ceramic and/or its derivatives claim 1 , a sugar and its derivatives claim 1 , a polysaccharide and its derivatives claim 1 , a wax and its derivatives claim 1 , a metal and its derivatives claim 1 , a water soluble solid and its derivatives claim 1 , a polymer and its derivatives claim 1 , composites thereof claim 1 , or combinations thereof.7. The ...

BAG FILTER FABRIC AND PRODUCTION METHOD THEREFOR

The invention addresses the problem of providing a filter fabric for a bag filter, which has excellent collection performance and low pressure drop and is resistant to a decrease in dust collection performance due to abrasion or cracking, and also a method for producing the same. Means for resolution is a filter fabric for a bag filter in which a nonwoven fabric A including short fibers a having a single-fiber fineness of 0.3 to 0.9 dtex, a base fabric, and a nonwoven fabric B including short fibers b having a single-fiber fineness of 0.3 to 4.0 dtex are laminated in this order. 1. A filter fabric for a bag filter , comprising: a nonwoven fabric A comprising short fibers a having a single-fiber fineness of 0.3 to 0.9 dtex; a base fabric; and a nonwoven fabric B comprising short fibers b having a single-fiber fineness of 0.3 to 4.0 dtex ,the nonwoven fabric A, the base fabric, and the nonwoven fabric B being laminated in this order.2. The filter fabric for a bag filter according to claim 1 , wherein at least one of the short fiber a and the short fiber b has a tensile strength of 2.2 cN/dtex or more.3. The filter fabric for a bag filter according to claim 1 , wherein at least one of the short fiber a and the short fiber b has an elongation of 25% or more.4. The filter fabric for a bag filter according to claim 1 , wherein at least one of the short fiber a and the short fiber b has 6 to 30 crimps/2.54 cm.5. The filter fabric for a bag filter according to claim 1 , wherein at least one of the short fiber a and the short fiber b has a crimp degree within a range of 8 to 40%.6. The filter fabric for a bag filter according to claim 1 , wherein at least one of the short fiber a and the short fiber b has a fiber length within a range of 20 to 80 mm.7. The filter fabric for a bag filter according to claim 1 , wherein at least one of the short fiber a and the short fiber b includes a meta-type aramid fiber.8. The filter fabric for a bag filter according to claim 1 , wherein ...

WATER FILTRATION SYSTEM

A water-filtration system includes four distinct porous media through which water is sequentially routed in a compact, self-contained four-stage filtration process. The porous media improves water quality by removing unwanted contaminants from the water and adding minerals and compounds to the water to improve water taste. A housing contains the the porous media. The housing includes connection points for incoming and outgoing water. The water-filtration system may be inserted into a water line upstream of a desired source of high-quality water, or may be integrated directly into an appliance or device that requires high-quality water. 1. A water filter , comprising:a housing comprising a water inlet for receiving water and a water outlet for supplying water, wherein the water inlet is fluidly connected to the water outlet;a first porous medium comprising an activated carbon filter configured to remove organic and inorganic compounds from the water, wherein the first porous medium is fluidly connected to the water inlet and disposed inside the housing;a second porous medium comprising a membrane configured to remove microbial organisms from the water, wherein the second porous medium is fluidly connected to the water inlet and disposed inside the housing;a third porous medium comprising ion-exchange resin configured to adjust a level of dissolved minerals in the water, wherein the third porous medium is fluidly connected to the water inlet and disposed inside the housing; anda fourth porous medium configured to enhance taste of the water, wherein the fourth porous medium is fluidly connected to the water inlet and disposed inside the housing,wherein the housing is configured to route water from the water inlet through each of the four porous media to the water outlet.2. The water filter of claim 1 , wherein the housing is further configured to route water through the first porous medium claim 1 , followed by the second porous medium claim 1 , followed by the third ...

METHOD FOR PRODUCING A THREEDIMENSIONAL SPONGE BASED ON NANOFIBERS

A method for producing a 3D sponge based on nanofibers includes the processing steps of producing nanofiber based material, cutting the nanofiber based material in small pieces, suspending the small pieces into a wetting non-dissolving liquid, homogenizing the suspension to obtain a slurry with separated short nanofibers, freezing the slurry at a controlled rate and generating a solid templated 3D network of short nanofibers, and thermally, physically or chemically cross-linking the short nanofibers to improve the mechanical stability of the produced sponge. 119-. (canceled)20: A method for producing a three-dimensional sponge based on nanofibers , a) producing nanofiber-based material;', 'b) suspending the nanofiber-based material into a wetting non-dissolving liquid;', 'c) homogenizing the suspension to obtain a slurry with separated short nanofibers with a fiber length smaller than 200 pm;', {'sub': 'f', 'sup': '−1', 'd) freezing the slurry with a freezing-front velocity (v) between 2 and 200 μmsand generating a solid templated 3D network of short nanofibers; and'}, 'e) thermally, physically or chemically cross-linking the short nanofibers., 'comprising at least the steps of21: The method according to claim 20 , wherein the nanofiber-based material is cut into small pieces before step b) of suspending into the wetting non-dissolving liquid.22: The method according to claim 20 , wherein the suspension is homogenized for a time between 1 and 100 minutes.23: The method according to claim 20 , wherein the suspension is homogenized to obtain a slurry with separated short nanofibers with a mean fiber length between 20 μm and 60 μm.24: The method according to claim 20 , wherein the freezing-front velocity (v) is controlled by at least one of selecting the wetting non-dissolving liquid claim 20 , the temperature of the slurry claim 20 , the temperature for solidifying the liquid to solid phase claim 20 , and the heat transfer to a heat sink by thermal conductivity of the ...

FILTER MEDIA RIBBONS WITH NANOFIBERS FORMED THEREON

Nanofiber filter media ribbons are flexible elongate strips of polymeric material having a surface on which is formed an array of nanofibers. Ribbons are formable into woven or non-woven mats. The array of nanofibers can be configured to filter a predetermined contaminant from a fluid stream passing through the mats. Filter ribbons are formable by applying a moldable polymer to a first angular location of a rotating cylindrical roll having an array of nanoholes formed in a circumferential surface thereof so that the polymer covers the surface of the roll and infiltrates the nanoholes; cooling the polymer while rotating the polymer-covered roll to a second angular position; and removing the cooled polymer from the roll as an elongate film having an array of nanofibers formed on a surface thereof by the polymer that infiltrated the nanoholes. 1. A filtration medium , comprising:a fine filter layer comprising a mat of elongate strips of polymeric material, each strip having a surface on which is formed a first array of nanofibers.2. The filtration medium of claim 1 , further comprising:a hydrophobic filter layer comprising a mat of elongate strips of hydrophobic polymeric material, each strip having a surface on which is formed a second array of nanofibers.3. The filtration medium of claim 2 , further comprising:a coarse filter layer secured to the hydrophobic filter layer, the coarse filter layer comprising a plurality of microfibers;wherein the fine filter layer is secured to the coarse filter layer.4. The filtration medium of claim 3 , wherein:the first array of nanofibers is configured to remove a fine contaminant from a fluid stream flowing through the filtration medium;the second array of nanofibers is configured to increase the hydrophobicity of the hydrophobic polymeric material; andthe plurality of microfibers is configured to remove a coarse contaminant from the fluid stream.5. The filtration medium of claim 2 , wherein each elongate strip forming at least ...

PORTABLE WATER-PURIFYING POUCH

A portable water-purifying pouch is provided that includes a pouch-shaped body comprising an inlet part, through which water to be treated is introduced, and an outlet part, from which drinking water obtained by filtering the water being treated is discharged and a pouch-shaped filter medium, which is provided inside the body so as to hold and filter the water being treated, which has been introduced into the body, and comprises a fiber web layer having the structure of a three-dimensional network formed of nanofibers. The portable water-purifying pouch allows a large flow rate of drinking water to be obtained in a short time while filtering, with significantly superior efficiency, foreign substances such as bacteria and harmful germs in the water being treated merely by self-weight or by lightly applying pressure with a hand to the water being treated. 1. A portable water-purifying pouch comprising:a body having a pouch shape and including an inlet through which target water is introduced and an outlet through which drinking water generated by the target water being filtered is discharged; anda filter medium having a pouch shape, provided in the body to accommodate and filter the target water introduced into the body, and including a fiber web layer having a three-dimensional network structure formed of nanofibers.2. The portable water-purifying pouch of claim 1 , wherein an outer surface of at least one open end portion among outer surfaces of the pouch-shaped filter medium is fixed to an inner surface of the body.3. The portable water-purifying pouch of claim 1 , wherein the pouch-shaped filter medium further includes the support layer claim 1 ,wherein the support layer disposed on one or both surfaces of the fiber web layer or wherein the fiber web layer is disposed on each of both surfaces of the fiber web layer, and at least a part of the support layer is melted and thermally fused to the fiber web layer.4. (canceled)5. The portable water-purifying pouch of ...

LIGHTWEIGHT MODIFIED FILTER MATERIAL, PREPARATION METHOD THEREFOR AND USE THEREOF

A lightweight modified filter material, a preparation method therefor and use thereof, the lightweight modified filter material being prepared from the following components in parts by mass: 75-100 parts of waste glass, 5-20 parts of a metal oxide modifier and 1-10 parts of a foamer. The lightweight modified filter material has the advantages of being lightweight, having large specific surface area, a high isoelectric point, porosity and the like, increasing the isoelectric point and service life of the filter material. The added metal oxide can be combined with SiO2 in the glass to form Si—O-Me (Me metal ions) and enter the glass network. 1. A lightweight modified filter material , wherein the lightweight modified filter material is prepared from components in parts by mass as follows:75-100 parts of waste glass, 5-20 parts of a metal oxide modifier and 1-10 parts of a foaming agent;the lightweight modified filter material has a specific weight of 1.2-1.8 kg/L; andthe lightweight modified filter material has a void ratio of 60%-78%.2. The lightweight modified filter material according to claim 1 , wherein the lightweight modified filter material is mainly prepared from components in parts by mass as follows:80-95 parts of the waste glass, 5-15 parts of the metal oxide modifier and 1-5 parts of the foaming agent.3. The lightweight modified filter material according to claim 1 , wherein the metal oxide modifier is at least one selected from the group consisting of titanium oxide claim 1 , ferric oxide claim 1 , aluminum oxide and magnesium oxide.4. The lightweight modified filter material according to claim 1 , wherein the foaming agent is at least one selected from the group consisting of carbon black claim 1 , silicon carbide claim 1 , calcium carbonate claim 1 , dolomite powders claim 1 , phlogopite claim 1 , graphite and manganese dioxide.5. The lightweight modified filter material according to claim 1 , wherein the lightweight modified filter material has a ...

FINAL SEPARATOR

A separator for a separator device, for example a final separator for a final separator device for separating water from a liquid such as oil and/or fuel, may include a filter body including at least one filter material through which the liquid can flow. The filter body may have a first side and a second side. A nanofibre layer may be disposed on the first side in at least one region. The nanofibre layer may be configured hydrophobic. According to an implementation, the nanofibre layer is treated to produce the hydrophobic property. The filter body may have a porosity on the first side that is smaller than on the second side. 1. A water separator for a separator device , comprising;a filter body for filtering a liquid, the filter body including at least one filter material;the filter body having a first side and a second side facing away from the first side;nanofibre layer disposed on the first side in at least one region;wherein the nanofibre layer is configured hydrophobic via a hydrophobic activating treatment; and,a porosity of the filter body on the first side is smaller than on the second side.2. The separator according to claim 1 , wherein the filter body has an average size of body pores on the first side that is smaller than the average size of the body pores on the second side.3. The separator according to claim claim 1 , wherein the porosity of the filter body increases from the first side towards the second side in a stepped transition at least in one region.4. The separator according to claim 1 , wherein the at least one filter material includes a fibrous filter material.5. The separator according to claim 1 , wherein the filter material includes a cellulose-containing filter material.6. The separator according to claim 1 , wherein the nanofibre layer has a lower porosity than that of the first side of the filter body.7. The separator according to claim 6 , wherein the nanofibre layer has pores that are smaller than pores of the filter body.8. The ...

DISCHARGE MEMBER WITH FILTER

A discharge member with a filter enables a filtrate to be dripped into a dripping container while filtering a suspension, and enables an excessive portion to be suctioned when the dripped amount is excessive, thereby to allow a fixed amount of a filtrate to be injected into the dripping container. The discharge member may enable suctioning operation at the time of suctioning an excessive portion to be conducted without deteriorating its dripping performance and filtering performance. The filter provided in the discharge member is a composite filter in which a pre-filter including a continuous porous foam that is softened at least in a wet state is arranged on a filtration surface side of a membrane filter. 1. A discharge member comprising a filter ,wherein the discharge member enables a filtrate to be dripped into a dripping container while filtering a suspension, and enables an excessive portion to be suctioned when a dripped amount is excessive, allowing a fixed amount of a filtrate to be injected into the dripping container,wherein the filter that filtrates the suspension is a composite filter comprising: a pre-filter formed of continuous porous foam that is softened at least in a wet state; and a membrane filter, andwherein the pre-filter is arranged on a filtration surface side of the membrane filter.2. The discharge member according to claim 1 , wherein the pre-filter has an average pore diameter of 130 to 180 μm in a wet state.3. The discharge member according to claim 1 , wherein the pre-filter has a porosity of 89 to 91% in a wet state.4. The discharge member according to claim 1 , wherein the pre-filter has a compression stress of 2.9 to 6.3 kPa in a wet state.5. The discharge member according to claim 1 , wherein a water retention ratio of the pre-filter is 850% or more.6. The discharge member according to claim 1 , wherein the pre-filter is a polyvinyl alcohol (PVA) sponge.7. The discharge member according to claim 1 , wherein the membrane filter is a ...

Preservative Removal from Eye Drops

A BAK removal device is constructed as a plug of microparticles of a hydrophilic polymeric gel that displays a hydraulic permeability greater than 0.01 Da. The polymer hydrophilic polymeric gel comprises poly(2-hydroxyethyl methacrylate) (pHEMA). The particles are 2 to 100 μm and the plug has a surface area of 30 mm 2 to 2 mm 2 and a length of 2 mm to 25 mm and wherein the microparticles of a hydrophilic polymeric gel has a pore radius of 3 to 60 μm.

Laser-sintered filter, method for producing the filter, and method for ensuring fluid flow

The invention relates to a filter (1) for cleaning fluids, having a main part (2) consisting of polyethylene particles (3) that have been bonded to each other by means of a generative manufacturing process such as to obtain a predefined macro- and microstructure, the main part (2) having regions in which the porosity is deliberately adjusted to varying values. The invention also relates to a method for producing a filter (1), the filter being generatively manufactured by selective laser sintering of polyethylene particles (3). The invention finally relates to a method for ensuring fluid flow.

NONWOVEN AIR FILTRATION MEDIUM

Air filtration media including synthetic and cellulose fiber layers are provided. More particularly, the air filtration media have high initial efficiency with improved durability, fire retardance, anti-microbial activity, and moisture resistance. The air filtration media can be used in air filters for a variety of applications. 1. An air filtration medium , comprising:a first synthetic fiber layer comprising synthetic fibers and having a first FNI of from about 100 ft/(min %) to about 1000 ft/(min %); anda cellulose fiber layer having a second FNI that is lower than the first FNI, wherein the second FNI is from about 100 ft/(min %) to about 300 ft/(min %).2. The air filtration medium of claim 1 , wherein the synthetic fibers comprise bicomponent fibers having an eccentric configuration with a sheath comprising polyethylene and a core comprising PET.3. The air filtration medium of claim 2 , wherein the bicomponent fibers have a core to sheath ratio of greater than 1:1.4. The air filtration medium of claim 1 , wherein the synthetic fibers comprise bicomponent fibers having an eccentric configuration with a sheath comprising polyethylene and a core comprising polypropylene.5. The air filtration medium of claim 1 , wherein the first synthetic fiber layer has a basis weight of from about 5 gsm to about 30 gsm.6. The air filtration medium of claim 5 , wherein the first synthetic fiber layer has a basis weight of from about 8 gsm to about 12 gsm.7. The air filtration medium of claim 1 , wherein the cellulose fiber layer has a basis weight of from about 25 gsm to about 100 gsm.8. The air filtration medium of claim 7 , wherein the cellulose fiber layer has a basis weight of about 25 gsm to about 45 gsm.9. The air filtration medium of claim 1 , wherein the first synthetic fiber layer comprises bicomponent fibers having a first length and bicomponent fibers having a second length claim 1 , wherein the second length is greater than the first length.10. The air filtration ...

Filter material, filter element, and a method and a device for producing a filter material

A multi-layered, web-shaped filter material for a filter element may include a fleece layer, a cellulose layer, and a nanofibre layer arranged between the fleece layer and the cellulose layer. The nanofibre layer may have, in a thickness direction, at least one of an increasing fibre thickness and an increasing fibre density. The cellulose layer may have an impregnation at least on a side facing the nanofibre layer.

FILTER MEDIUM FOR OBTAINING PLASMA, AND ASSOCIATED FILTRATION DEVICE AND METHOD

The invention relates to a filter medium () comprising two porous zones arranged in the form of a stack: 131. A filter medium () comprising two porous zones arranged in the form of a stack:{'b': '100', 'a first porous zone (), called “prefiltration”, treated with at least one reagent presenting affinity for red blood cells and leading to red blood cells being captured or agglutinated on the prefiltration zone; and'}{'b': 200', '100, 'a second porous zone (), called “asymmetric”, presenting pore size that decreases transversely to its thickness, the portion of higher pore size being positioned towards the prefiltration zone ().'}231100200. A filter medium () according to claim 1 , characterized in that the minimum size of the pores in the prefiltration zone () is greater than the maximum size of the pores in the asymmetric zone ().331100. A filter medium () according to claim 1 , characterized in that the prefiltration zone () presents a pore size greater than the size of red blood cells claim 1 , and preferably lying in the range 10 μm to 1 mm.431200. A filter medium () according to claim 13 , characterized in that the asymmetric zone () presents a pore size in its portion of maximum pore size that allows red blood cells to pass claim 13 , for instance lying in the range 10 μm to 100 μm claim 13 , and presents a pore size in its portion of minimum pore size that is less than the size of blood cells claim 13 , and in particular red blood cells claim 13 , and preferably lies in the range 0.1 μm to 10 μm.531. A filter medium () according to claim 1 , characterized in that the reagents presenting affinity for red blood cells are binding partners specific to red blood cells claim 1 , and in particular lectins such as hemaglutinin or antibodies specific to antigens present on red blood cells.631100. A filter medium () according to claim 1 , characterized in that the prefiltration zone () presents a thickness from 0.3 mm to 5 mm claim 1 , and in particular from 1.2 mm to 3 ...

POROUS COMPOSITE

In a porous composite, a base material has a honeycomb structure whose inside is partitioned into a plurality of cells. In the plurality of cells, a plurality of first cells whose one ends in the longitudinal direction are sealed, and a plurality of second cells whose other ends in the longitudinal direction are sealed are arranged alternately. A collection layer covers inner surfaces of the plurality of first cells. An overall Sa that is an arithmetical mean height Sa indicating a surface roughness of a surface of the collection layer in the plurality of first cells is greater than or equal to 0.1 μm and less than or equal to 12 μm. An overall mean thickness that is a mean thickness of the collection layer in the plurality of first cells is greater than or equal to 10 μm and less than or equal to 40 μm. 1. A porous composite comprising:a porous base material; anda porous collection layer formed on said base material,wherein said base material has a honeycomb structure whose inside is partitioned by a partition wall into a plurality of cells extending in a longitudinal direction,said plurality of cells include a plurality of first cells whose one ends in the longitudinal direction are sealed, and a plurality of second cells whose other ends in the longitudinal direction are sealed, said plurality of first cells and said plurality of second cells being arranged alternately,said collection layer covers inner surfaces of said plurality of first cells,an overall Sa that is an arithmetical mean height Sa indicating a surface roughness of a surface of said collection layer in said plurality of first cells is greater than or equal to 0.1 μm and less than or equal to 12 μm, andan overall mean thickness that is a mean thickness of said collection layer in said plurality of first cells is greater than or equal to 10 μm and less than or equal to 40 μm.2. The porous composite according to claim 1 , whereinan outlet-side Sa that is an arithmetical mean height Sa of the surface ...

A FILTER STRUCTURE FOR SEPARATION OF WATER FROM FLUIDS IN THE MOTOR VEHICLE SECTOR

A filter structure () for separating water from a fluid, the filter () comprising an absorbent filter membrane () constituted by a non-woven textile (), wherein the non-woven textile () is constituted by a bearing lattice () and by a super-absorbent material (), which expands when it absorbs water, fixed to the bearing lattice (), wherein the super-absorbent material () is present in a smaller quantity than 70% in dry weight with respect to a dry weight of the non-woven textile (). 11001002202222202122212220222021222221222122222222202122abaab. A filter structure () for separating water from a fluid , the filter () comprising an absorbent filter membrane () constituted by a non-woven textile () , wherein the absorbent filter membrane () comprises a first face () turned upstream in a crossing direction (F) of the fluid being filtered and a second face () , opposite to the first face () and turned downstream in the crossing direction (F) of the fluid being filtered , wherein the non-woven textile () is constituted by a bearing lattice () and by a super-absorbent material () , which expands when it absorbs water , fixed to the bearing lattice () , wherein the super-absorbent material () is present in a smaller quantity than 70% in dry weight with respect to a dry weight of the non-woven textile () , and wherein the super-absorbent material () is operable between a dry or unsaturated configuration , in which the non-woven textile () has an open porosity between the bearing lattice () and the super-absorbent material () , and a saturation configuration , in which the expansion of the super-absorbent material () closes the open porosity between the bearing lattice () and the super-absorbent material () , characterized in that fibers that constitute the bearing lattice () define a pathway having at least an upstream end , in the crossing direction (F) , which defines a portion of the first face () or emerges with respect thereto both in dry or unsaturated configuration and ...

FILTER ELEMENT

The invention relates to a filter element having inherent stability and being porous to permit flow therethrough, comprising a filter body which forms a porous sintered structure and is constructed with filter body particles which are at least in part polysulfide particles. In addition, the invention relates to a method of manufacturing such a filter element. 13020101410. A filter element () having inherent stability and being porous to permit flow therethrough , comprising a filter body () which forms a porous sintered structure and is constructed with filter body particles ( , ) which are at least in part polysulfide particles ().23010. The filter element () of claim 1 , wherein the polysulfide particles () are polyphenylene sulfide particles.330. The filter element () of claim 1 , wherein all filter body particles contain polysulfide.430. The filter element () of claim 1 , wherein at least part of the filter body particles consists of polysulfide.530. The filter element () of claim 4 , wherein all filter body particles consist of polysulfide.610. The filter element of claim 1 , wherein the polysulfide particles () contain at least two polysulfides of different configuration.73010. The filter element () of claim 1 , wherein the filter body particles () have a melt flow index of at the most 500 g/10 min.83010. The filter element () of claim 1 , wherein the polysulfide particles () contain unfilled polysulfide.93010. The filter element () of claim 1 , wherein the polysulfide particles () contain a tempered polysulfide.103010. The filter element () of claim 9 , wherein the polysulfide particles () contain at least one tempered polysulfide and at least one untempered polysulfide.1130. The filter element () of claim 1 , which has a porosity of at least 30%.1230203020. The filter element () of claim 1 , wherein the filter body () is formed such that the pressure loss across the filter element () claim 1 , measured with respect to an air flow without foreign matter load ...

Porous Material

The present invention relates to a porous material, the pores of the porous material are uniformly distributed. The uniform distribution of the pores means that the pores are evenly distributed at any unit-level volume of the porous material. The elastic modulus of the porous material is reduced by 10-99% compared to that of the raw material used to make the porous material. This kind of porous material ensures the uniformity of its various properties. It is a porous material with excellent performance and quality. Its uniformity also ensures that its elastic modulus can be effectively reduced to meet multiple purposes.

POROUS HONEYCOMB FILTER

Provided is a porous honeycomb filter comprising a porous first cell wall that permits exhaust gas to permeate, a second cell wall that permits exhaust gas to permeate than the first cell wall, and a cell that is surrounded by the first cell wall and the second cell wall to form an extending gas flow passage. The second cell wall has a smaller porosity than the first cell wall. 1. A porous honeycomb filter comprising:a porous first cell wall that permits exhaust gas to permeate;a second cell wall that permits the exhaust gas to permeate less easily than the first cell wall; and the second cell wall has a smaller porosity than the first cell wall,', 'the cell comprises a plurality of cells,, 'a cell that is surrounded by the first cell wall and the second cell wall to form an extending gas flow passage, wherein'} a plurality of the first cell walls and a plurality of the second cell walls partition an inside of the tubular outer shell into the cells,', 'the first cell walls include an inclined wall extending inclined relative to an axial direction of the tubular outer shell, and the second cell walls include a parallel wall extending parallel to the axial direction., 'the porous honeycomb filter further comprising a tubular outer shell constituting an outer periphery thereof,'}2. The porous honeycomb filter according to claim 1 , wherein claim 1 ,{'sub': a', 'b, 'claim-text': {'br': None, 'sub': a', 'b, 'S>S.'}, 'in a cross section of the porous honeycomb filter in the direction orthogonal to the axial direction, a cross-sectional area Soccupied by a plurality of the first cell walls and a cross-sectional area Soccupied by a plurality of the second cell walls satisfy the following condition3. The porous honeycomb filter according to claim 2 , whereinthe number of the second cell walls is fewer than the number of the first cell walls.4. The porous honeycomb filter according to claim 2 , wherein{'sub': 1', '2, 'claim-text': {'br': None, 'sub': 1', '2, 'T Подробнее

Methods for fabricating porous media with controllable characteristics

A method for fabrication of ordinary porous media and fractured porous media with controllable characteristics is disclosed. The method comprises the steps of: providing a cylindrical container and sealing one end of the cylindrical container. The method further comprises fastening the sealed end of the cylindrical container with a lacy sheet for connecting to a vacuum pump and packing the cylindrical container with glass beads to achieve predetermined porosity and permeability using vacuum. Finally placing the packed container in a furnace until reaching a retention time at a predefined rate of temperature enhancement, and separating a fabricated core from the packed container.

POLYMER MATRIX COMPOSITES COMPRISING FUNCTIONAL PARTICLES AND METHODS OF MAKING THE SAME

A polymer matrix composite comprising a porous polymeric network; and a plurality of functional particles distributed within the polymeric network structure, and wherein the polymer matrix composite has an air flow resistance at 25° C., as measured by the “Air Flow Resistance Test,” of less than 300 seconds/50 cm/500 micrometers; and wherein the polymer matrix composite has a density of at least 0.3 g/cm; and methods for making the same. The polymer matrix composites are useful, for example, as filters. 2. The polymer matrix composite of claim 1 , wherein the functional particles are present in a range from 1 to 99 weight percent claim 1 , based on the total weight of the functional particles and the polymeric network structure.3. (canceled)4. The polymer matrix composite of claim 1 , wherein the polymer matrix composite has a porosity less than 90 percent.5. The polymer matrix composite of claim 1 , wherein the functional particles comprise at least one functional group capable of providing at least one of an absorbing claim 1 , an adsorbing claim 1 , a complexing claim 1 , a catalyzing claim 1 , a separating claim 1 , or a reagent function to the particle.6. (canceled)7. The polymer matrix composite of claim 1 , wherein the porous polymeric network structure comprises at least one of polyurethane claim 1 , polyester claim 1 , polyamide claim 1 , polyether claim 1 , polycarbonate claim 1 , polyimide claim 1 , polysulfone claim 1 , polyethersulfone claim 1 , polyphenylene oxide claim 1 , polyacrylate claim 1 , polymethacrylate claim 1 , polyacrylonitrile claim 1 , polyolefin claim 1 , styrene or styrene-based random and block copolymer claim 1 , chlorinated polymer claim 1 , fluorinated polymer claim 1 , or copolymers of ethylene and chlorotrifluoroethylene.8. The polymer matrix composite of claim 1 , wherein the porous polymeric network structure comprises a phase-separated plurality of interconnected morphologies.9. The polymer matrix composite of claim 1 , ...

FILTER MEDIUM FOR OBTAINING PLASMA, AND ASSOCIATED FILTRATION DEVICE AND METHOD

A filter medium includes two porous zones arranged in the form of a stack that include (i) a first porous zone, called “prefiltration”, treated with at least one reagent presenting affinity for red blood cells and leading to red blood cells being captured or agglutinated on the prefiltration zone; and (ii) a second porous zone, called “asymmetric”, presenting pore size that decreases transversely to its thickness, the portion of higher pore size being positioned towards the prefiltration zone.

COLD SPRAY COATING WITH SACRIFICIAL FILLER POWDER

Methods for forming a porous coating with a controlled porosity and pore size are described. The methods include mixing a first powder comprising a first material with a second powder comprising a second material to form a mixed powder comprising 30-99 vol. % of the first powder and 1-70 vol. % of the second powder. The methods further include performing cold spray coating to deposit a coating comprising the first material and the second material onto an article, wherein the coating comprises approximately 30-99 vol. % of the first material and 1-70 vol. % of the second material. The methods further include performing a post-coating process to remove the second material from the coating, wherein after the post-coating process the coating consists essentially of the first material and has a porosity that is approximately equivalent to a volume occupied by the second material prior to the post-coating process.

Snap-On Porous Filter Media For Filter Press Plates

Filter media () for dewatering slurry is disclosed. The filter media () may comprise a filtering body () comprising non-occluded porous material () and occluded porous material (). At least one upper tab () comprising at least one upper locking element () and at least one lower tab () comprising at least one lower locking element () may be provided to the filter media () as means for attaching the filter media () to a filter plate (). The filter plate () may comprise at least one upper locking element () provided to an upper end surface () of the filter plate () and at least one lower locking element () provided to a lower end surface () of the filter plate (); wherein the at least one upper tab () of the filter media () is configured to communicate with the at least one upper locking element () of the filter plate () and wherein the at least one lower tab () of the filter media () is configured to communicate with the at least one lower locking element () at the lower end surface () of the filter plate (). A method of manufacturing the filter media is also described. 1100100. Filter media () for dewatering slurry in an industrial filter press , the filter media () comprising:{'b': 105', '105', '105', '105', '105', '105', '105', '105, 'i': a', 'b', 'c,', 'd', 'b, 'a filtering body () comprising non-occluded porous material () and occluded porous material (), the filtering body () further comprising at least one opening () extending entirely through the occluded porous material portion () of the filtering body ();'}{'b': 101', '102', '101', '105', '101', '101', '105, 'i': 'a', 'at least one upper tab () comprising at least one upper locking element (); the at least one upper tab () extending from the filtering body () to form an upper edge () between the at least one upper tab () and the filtering body (); and,'}{'b': 104', '103', '104', '105', '104', '104', '105, 'i': 'a', 'at least one lower tab () comprising at least one lower locking element (); the at least one ...

NONWOVEN FABRIC AND AIR FILTER INCLUDING SAME

A nonwoven fabric according to the present invention is formed so that constituent fibers of the nonwoven fabric have an average fiber diameter of less than 1 μm and the number of fibers having fiber diameters ranging from 2 times up to 10 times the average fiber diameter of the constituent fibers is in a range of 2 to 20% of a total number of the constituent fibers. When the nonwoven fabric according to the present invention is used as a filter layer constituting an air filter, for example, it is possible to achieve high collection efficiency while reducing clogging (packing) between fibers to solve problems that may occur in using the conventional nanofiber nonwoven fabric (such as an increase in pressure loss and a decrease in service life). 1. A nonwoven fabric that is formed so that constituent fibers of the nonwoven fabric have an average fiber diameter of less than 1 μm and the number of fibers having fiber diameters ranging from 2 times up to 10 times the average fiber diameter of the constituent fibers is in a range of 2 to 20% of a total number of the constituent fibers.2. The nonwoven fabric according to claim 1 , wherein the constituent fibers have an average fiber diameter of less than 0.5 μm.3. The nonwoven fabric according to claim 1 , wherein the nonwoven fabric is formed to have a porosity in a range of 85 to 93%.4. An air filter comprising a nonwoven fabric claim 1 ,wherein the nonwoven fabric is formed so that constituent fibers of the nonwoven fabric have an average fiber diameter of less than 1 μm and the number of fibers having fiber diameters ranging from 2 times up to 10 times an average fiber diameter of the constituent fibers is in a range of 2 to 20% of a total number of the constituent fibers.5. The air filter according to claim 4 , wherein the constituent fibers of the nonwoven fabric have an average fiber diameter of less than 0.5 μm.6. The air filter according to claim 4 , wherein the nonwoven fabric comprises:a first nonwoven fabric ...

METHOD FOR MANUFACTURING EXPANDABLE ARTIFICIAL MEDIA FOR WATER TREATMENT BY RECYCLING WASTE LCD GLASS AND WASTE BOTTLE GLASS GENERATED FROM WASTE ELECTRIC AND ELECTRONIC PRODUCTS

Provided is a method for manufacturing an expandable artificial media for water treatment by recycling waste liquid crystal display (LCD) glass and waste bottle glass generated from waste electric and electronic products. Therefore, the objective of the present invention is to activate the efficiency of resource circulation and energy utilization, which are green technology, and to minimize the discharge of greenhouse gases and pollutants by artificially manufacturing media for water treatment, as a filtering technique for water pollution, wherein in the artificial media manufactured by a series of automation processes, waste LCD glass and waste bottle glass are recycled through foaming. That is, the present invention reproduces artificial media by mixing, with waste bottle glass, waste LCD glass generated during a process of manufacturing or processing glass for an LCD device, or waste LCD glass disposed of after using various electronic products including an LCD monitor, such that energy can be saved by lowering the foaming calcinations temperature of waste glass and waste recycling is attempted, thereby allowing the present invention to have an environmentally friendly property of preserving limited resources. 110. A method of manufacturing an expandable artificial filter material () for water treatment by recycling waste LCD glass generated from waste electric and electronic products and waste bottle glass , the method comprising:{'b': 100', '2', '1', '100', '1', '100, 'a washing step (S) of washing collected waste LCD glass () and waste bottle glass () via a first washing device (-) and a second washing device () so as to remove foreign substances or dirt;'}{'b': 200', '2', '200', '1', '200, 'a pulverizing step (S) of pulverizing the washed waste LCD glass () and waste bottle glass to a set fine particle size via a first pulverizing device (-) and a second pulverizing device ();'}{'b': 300', '2', '300, 'a mixing step (S) of mixing a foaming agent and an ...

MELT SPUN FILTRATION MEDIA FOR RESPIRATORY DEVICES AND FACE MASKS

The present disclosure is directed toward an improved nanofibrous electret filtration media of which the stand-alone electret nanofibrous web comprises a single source randomly intermingled fiber network that yields high breathability due to the high porosity and improved filtration efficiency for use as improved filtration media for respiratory devices and face masks. 1. A nanofibrous web comprising polymeric fibers that are intimately comingled and entangled in a single layer , stand-alone network , and wherein:(a) the fibers comprise at least 70% nanofibers, 5%-25% microfibers, and 0%-5% coarse fibers by number percentage;(b) a number average diameter of all the fibers is less than 1000 nm and a median diameter of all the fibers is less than 500 nm; and{'sup': 3', '3', '−1, '(c) the nanofibrous web has an apparent density of 0.01 to 0.05 g/cm, an electrostatic charge of at least 12 kV as measured at a distance of 25 mm, and an effective quality factor (eQF) of greater than about 2.5 (Pa·g/cm).'}2. The nanofibrous web of claim 1 , wherein the fibers are composed of a polyolefin.3. The nanofibrous web of claim 2 , wherein the polyolefin comprises a polypropylene or a blend of multiple claim 2 , different polypropylenes.4. The nanofibrous web of claim 2 , wherein the polyolefin comprises a charging promoting agent.5. The nanofibrous web of claim 1 , wherein the number average diameter of all the fibers ranges from 600 nm to 1000 nm and the median diameter of all the fibers ranges from 300 nm to 500 nm.6. The nanofibrous web of claim 1 , wherein the nanofibers have a number average fiber diameter ranging from 330 nm to 450 nm and a median fiber diameter ranging from 260 nm to 420 nm.7. The nanofibrous web of claim 1 , wherein (a) a mass percentage of the microfibers ranges from 15% to 30%; and (b) a mass percentage of the coarse fibers ranges from 50% to 70%.8. The nanofibrous web of claim 1 , wherein the percentage of the specific surface area of the nanofibers is ...

FUNCTIONAL PROTECTIVE MATERIAL WITH A REACTIVELY FINISHED MEMBRANE AND PROTECTIVE CLOTHING PRODUCED THEREWITH

The object of the invention is a functional protective material, especially with the function of protecting against chemical and/or biological poisons and/or noxious materials, such as combat agents, wherein the functional protective material comprises a multilayer construction. The multilayer construction has a two-dimensional backing material, especially a textile backing material and a membrane, which is assigned to the backing material and, in particular, is connected therewith. The membrane is provided with a reactive finish, especially with a component having catalytic activity preferably with respect to chemical and/or biological poisons and/or noxious matter. The adsorption filter material is suitable particularly for use in ABC protection objects (such as ABC protective clothing). 1. A protective apparel , said protective apparel comprising a functional protective material having protective function with regard to chemical and biological poisons and noxiants , a sheetlike textile supporting material, wherein said supporting material is a woven fabric, a loop-formingly knitted fabric, a loop-drawingly knitted fabric, a nonwoven scrim, a batt or a bonded textile fabric; and', 'a membrane associated to said supporting material, wherein said membrane is bonded to said supporting material at least essentially uniformly, or wherein said membrane is bonded to said supporting material sectionally, and, 'wherein said functional protective material comprises a multilayered construction, said multilayered construction includingwherein said membrane is endowed with a reactive additization in the form of a catalytically active component having reactivity with regard to chemical and biological poisons and noxiants, (i) copper selected from the group consisting of copper oxides, copper carbonates, copper sulfates and copper-ammonium complexes;', '(ii) zinc selected from the group consisting of zinc oxides, zinc carbonates, zinc sulfate and zinc-ammonium complexes;', '(iii ...

METALLIC POROUS MEMBRANE, CLASSIFYING METHOD USING THE SAME, AND CLASSIFYING DEVICE

A metallic porous membrane that classifies cell aggregates includes a membrane section having a first principal surface for capturing the cell aggregates, a second principal surface opposing the first principal surface, and a plurality of through-holes communicating with the first principal surface and the second principal surface. 1. A metallic porous membrane that classifies cell aggregates , the metallic porous membrane comprising:a membrane section including a first principal surface for capturing the cell aggregates, a second principal surface opposing the first principal surface, and a plurality of through-holes communicating with the first principal surface and the second principal surface,wherein an opening ratio of a first area of the plurality of through-holes at the first principal surface to a projected entire area of the first principal surface is no less than 10%, anda lattice interval between adjacent through-holes of the plurality of through-holes is one time to 10 times a dimension of one side of the plurality of through-holes.2. The metallic porous membrane according to claim 1 ,wherein the first principal surface of the membrane section is flat, andthe plurality of through-holes each communicate through a wall surface continuously connecting a first opening on the first principal surface side of the membrane section and a second opening on the second principal surface side of the membrane section.3. The metallic porous membrane according to claim 1 , wherein a width of the through-hole is less than 100% of a size of the cell aggregate.4. The metallic porous membrane according to claim 1 , wherein a width of the through-hole is less than 80% of a size of the cell aggregate.5. The metallic porous membrane according to claim 1 , wherein a width of the through-hole is no less than 20% of a size of the cell aggregate.6. The metallic porous membrane according to claim 1 , wherein a width of the through-hole is no less than 40% of a size of the cell ...

FILTER MEDIA RIBBONS WITH NANOFIBERS FORMED THEREON

Nanofiber filter media ribbons are flexible elongate strips of polymeric material having a surface on which is formed an array of nanofibers. Ribbons are formable into woven or non-woven mats. The array of nanofibers can be configured to filter a predetermined contaminant from a fluid stream passing through the mats. Filter ribbons are formable by applying a moldable polymer to a first angular location of a rotating cylindrical roll having an array of nanoholes formed in a circumferential surface thereof so that the polymer covers the surface of the roll and infiltrates the nanoholes; cooling the polymer while rotating the polymer-covered roll to a second angular position; and removing the cooled polymer from the roll as an elongate film having an array of nanofibers formed on a surface thereof by the polymer that infiltrated the nanoholes. 1. A method for making polymeric objects having a surface on which is formed an array of nanofibers , the method comprising:providing a first cylindrical roll with an array of nanoholes formed in a circumferential surface thereof;providing a source of moldable polymer;rotating the first cylindrical roll;applying the moldable polymer to the rotating first cylindrical roll at a first angular location so that the moldable polymer covers at least a portion of the circumferential surface of the rotating first cylindrical roll and infiltrates at least a portion of the nanoholes;cooling the moldable polymer while rotating the covered first cylindrical roll to a second angular position; andremoving the cooled polymer applied to the first cylindrical roll from the first cylindrical roll as an elongate film;wherein the polymer that infiltrated the nanoholes forms the array of nanofibers on a surface of the elongate film.2. The method of claim 1 , wherein the first cylindrical roll is maintained at a temperature that causes the moldable polymer to solidify in the nanoholes along with a portion of the moldable polymer covering the ...

FILTER MEDIA RIBBONS WITH NANOFIBERS FORMED THEREON

Nanofiber filter media ribbons are flexible elongate strips of polymeric material having a surface on which is formed an array of nanofibers. Ribbons are formable into woven or non-woven mats. The array of nanofibers can be configured to filter a predetermined contaminant from a fluid stream passing through the mats. Filter ribbons are formable by applying a moldable polymer to a first angular location of a rotating cylindrical roll having an array of nanoholes formed in a circumferential surface thereof so that the polymer covers the surface of the roll and infiltrates the nanoholes; cooling the polymer while rotating the polymer-covered roll to a second angular position; and removing the cooled polymer from the roll as an elongate film having an array of nanofibers formed on a surface thereof by the polymer that infiltrated the nanoholes. 1. A method for making polymeric objects having a surface on which is formed an array of nanofibers , the method comprising:providing a first cylindrical roll with an array of nanoholes formed in a circumferential surface thereof;providing a source of moldable polymer;rotating the first cylindrical roll;applying the moldable polymer to the rotating first cylindrical roll at a first angular location so that the moldable polymer covers at least a portion of the circumferential surface of the rotating first cylindrical roll and infiltrates at least a portion of the nanoholes;cooling the moldable polymer while rotating the covered first cylindrical roll to a second angular position; andremoving the cooled polymer applied to the first cylindrical roll from the first cylindrical roll as an elongate film;wherein the polymer that infiltrated the nanoholes forms the array of nanofibers on a surface of the elongate film.2. The method of claim 1 , wherein the first cylindrical roll is maintained at a temperature that causes the moldable polymer to solidify in the nanoholes along with a portion of the moldable polymer covering the ...

Copper Foam for Water Purification

A metal foam, such as copper metal foam, is used for water filtration and purification. A method is used to manufacture a new water purification device with the capability of killing bacteria and viruses using three dimensionally connected copper foam filter consisting of random or elongated channel pores and large surface area, thereby increasing the copper surface area in contact with contaminated water drops and purifying them. The copper foam water filter has pores on the order of several to tens of micrometers and porosity ranging from 50 percent to 75 percent to properly control the water filtration time and the contact time between the copper foam pore surface and water drops during filtration. 1. A device comprising:a metal-foam filter material with pore surfaces that make contact with contaminated water drops to kill bacteria and viruses in contaminated water during filtration.2. The device of wherein the metal-foam filter material replaces or is used in combination with a traditional filter such as an activated carbon filter claim 1 , reverse osmosis filter claim 1 , or ultraviolet filter.3. The device of wherein the metal-foam filter material comprises at least one of copper foam claim 1 , copper-tin alloy foam claim 1 , copper-zinc alloy foam claim 1 , copper-nickel alloy foam claim 1 , copper-silicon alloy foam claim 1 , copper-aluminum alloy foam claim 1 , silver foam claim 1 , iron foam claim 1 , aluminum foam claim 1 , or titanium foam.4. The device of wherein the metal-foam filter material is copper foam claim 2 , which is placed before or after a traditional filter such as an activated carbon filter so that bacteria and viruses in contaminated water can be first removed by use of the copper foam filter and then the treated water can be further cleaned by use of the traditional filter.5. The device of wherein the metal-foam filter has porosity between about 50 percent and about 75 percent and pore size ranging from about 0.1 microns to about 100 ...

MULTILAYER CELLULAR MEMBRANES FOR FILTRATION APPLICATIONS

A filter includes a fibrous substrate having a plurality of coextruded first polymer material fibers and second polymer material fibers. Each of the first and second fibers are separated from each other and have a rectangular cross-section defined in part by an additional encapsulating polymer material that is separated from the first polymer material fibers and second polymer material fibers. The fibrous substrate has a pore size range of between about 0.1 μm to about 0.4 μm. 1. A filter comprising:a fibrous substrate that includes a plurality of coextruded first polymer material fibers and second polymer material fibers, each of the first and second fibers being separated from each other and having a rectangular cross-section defined in part by an additional encapsulating polymer material that is separated from the first polymer material fibers and second polymer material fibers, wherein the fibrous substrate has a pore size range of between about 0.1 μm to about 0.4 μm.2. The filter of claim 1 , wherein the first polymer material comprises polyvinylidene difluoride claim 1 , the second polymer material comprises high density polyethyelene claim 1 , and the encapsulating polymer material comprises polystyrene.3. The filter of claim 1 , wherein the fibrous substrate has a porosity of about 56%.4. The filter of claim 1 , wherein the fibrous substrate has a mean pore size of about 0.2 μm.5. The filter of claim 1 , wherein the filter is an air filter.6. The filter of claim 5 , wherein the first polymer material comprises polyvinylidene difluoride claim 5 , the second polymer material comprises high density polyethyelene claim 5 , and the encapsulating polymer material comprises polystyrene.7. The filter of claim 5 , wherein the polymer materials are surface charged to improve dust collection efficiency.8. The filter of claim 1 , wherein the filter is a fuel filter and the polymer materials have an intermediate hydrophilicity and water-coalescing capability.9. The ...

Activated carbon with a metal based component

The invention relates to an activated carbon, in particular an activated carbon with reactive and/or catalytic activity, said activated carbon being in the form of discrete activated carbon particles, preferably in a spherical and/or grain form. The activated carbon is provided with and/or comprises at least one metal component which has at least one metal-containing ionic liquid (IL) containing, in particular metal ions, preferably based on a metal compound. The invention also relates to methods for producing said activated carbon, to the uses thereof and to materials provided therewith.

Activated carbon, preferably activated carbon equipped and/or fitted with metal component comprising a metal-containing, preferably metal compound-containing ionic liquid, useful as protective material for civil or military purpose

Activated carbon, preferably activated carbon with a reactive and/or catalytic equipment, is claimed, where the activated carbon: is in the form of discrete activated carbon particles, preferably in the form of ball and/or grain; and is equipped and/or fitted with at least one metal component, which contains at least one metal-containing, preferably metal compound-containing ionic liquid.

BLOOD FILTER

Provided is a blood filter that resists deterioration in properties as a result of electron beam sterilization treatment performed before or during use as a blood filter, has durability, dimensional stability, and chemical resistance at excellent levels, also has biocompatibility, and resists deterioration in properties even upon the electron beam sterilization treatment. The blood filter according to the present invention includes a nonwoven fabric made of PEEK fibers. Preferably, the blood filter according to the present invention has an average pore size of 3 to 280 μm and has a porosity of 15% to 70%; and the PEEK fibers have an average fiber diameter of 10 μm or less. 1. A blood filter comprisinga nonwoven fabric made of PEEK fibers.2. The blood filter according to claim 1 ,wherein the blood filter has an average pore size of 3 to 280 μm.3. The blood filter according to claim 1 ,wherein the blood filter has a porosity of 15% to 70%.4. The blood filter according to claim 1 ,wherein the PEEK fibers have an average fiber diameter of 10 μm or less.5. The blood filter according to claim 1 ,{'sup': '2', 'wherein the nonwoven fabric has a mass per unit area of 0.02 to 100000 g/m.'}6. The blood filter according to claim 1 ,wherein the nonwoven fabric has a thickness of 0.0001 to 100 mm.7. The blood filter according to claim 1 ,wherein the PEEK fibers have a degree of crystallinity of 30% or less. This application is a Continuation application of co-pending application Ser. No. 16/472,706, filed on Jun. 21, 2019, which is the National Phase under 35 U.S.C. § 371 of International Application No. PCT/JP2017/046237, filed on Dec. 22, 2017, which claims the benefit under 35 U.S.C. § 119(a) to Patent Application No. 2016-249369, filed in Japan on Dec. 22, 2016, all of which are hereby expressly incorporated by reference into the present application.The present invention relates to blood filters which are used for the purpose typically of removing substances such as ...

Funktionelles Schutzmaterial mit reaktiv ausgerüsteter Membran und hiermit hergestellte Schutzbekleidung

Funktionelles Schutzmaterial (1), insbesondere mit Schutzfunktion gegenüber chemischen und/oder biologischen Giften und/oder Schadstoffen, wie Kampfstoffen, wobei das funktionelle Schutzmaterial (1) einen mehrschichtigen Aufbau umfaßt, wobei der mehrschichtige Aufbau – ein flächiges, insbesondere textiles Trägermaterial (3) und – eine dem Trägermaterial (3) zugeordnete, insbesondere mit dem Trägermaterial (3) verbundene Membran (2) aufweist, wobei die Membran (2) mit einer reaktiven Ausrüstung, insbesondere mit einer katalytisch aktiven Komponente, vorzugsweise mit Reaktivität gegenüber chemischen und/oder biologischen Giften und/oder Schadstoffen, ausgestattet ist.

Filter medium comprising a nonwoven electret

The present invention relates to a filter medium suitable for air filtration as well as related assemblies and methods.

Processes and filters for desalination of water

In a process for the desalination of water, an impure, salt-containing water feed is passed through one or more filter media to remove from the feed impurities having a particle size greater than 50 µm and produce a first filtered water stream. The first filtered water stream is then passed through at least one further filter having an average pore size of 1 µm to 60 µm produced from sintered polyethylene particles having a molecular weight of at least 4 x 10 5 g/mol as determined by ASTM-D 4020 to remove at least a portion of the impurities having a particle size less than or equal to 50 µm from the first filtered water stream and produce a second filtered water stream. The second filtered water stream is passed directly to a reverse osmosis membrane to produce a purified water stream.

고강도 고성능 세라믹 단일체 필터의 제조방법

본 발명은 자동차 매연과 같은 나노입자 제거용 필터 등에 사용되는 고강도 고성능 세라믹 단일체 필터(Ceramic Monolithic Filter)의 제조방법에 관한 것이다. 본 발명에 따른 제조방법은 세라믹 단일체 필터를 가열한 후, 상기 세라믹 단일체 필터의 결정립(21) 표면에 면형(Facet, 23) 또는 반구형상(Hemispherical, 24)의 탄화규소 결정립을 생성한다. 상기 방법에 따르면, 단지 희석기체와 운반기체의 유량 제어를 통한 간단한 방식에 의해 세라믹 단일체 필터 결정립 표면에 면형 또는 반구형상의 탄화규소 결정립을 성장시켜 세라믹 단일체 필터 채널의 표면 형상을 변화시킴으로써, 비표면적을 증가시켜 필터의 효율을 증진시킨다.

可杀菌、除去水中重金属的纳米复合滤料

本发明公开了一种可杀菌、除去水中重金属的纳米复合滤料，采用以下技术方案：A、将海藻泥，E33和沸石粉混合,碾磨；B、将步骤A所得混合物与活性炭搅拌混匀，加入水；C、高温烧制，D、将步骤C所制产物与纳米二氧化钛混合，得到一种纳米复合滤料。本发明纳米复合滤料具有极强的吸附能力，可除去水中的重金属，杀菌性能好；安全无毒，无二次污染，可用于饮用水或污水的净化。

可除去水中重金属并可杀菌的纳米复合滤料的制备方法

本发明公开了一种可除去水中重金属并可杀菌的纳米复合滤料的制备方法，采用以下技术方案：A、将海藻泥，E33和沸石粉混合,碾磨；B、将步骤A所得混合物与活性炭搅拌混匀，加入水；C、高温烧制，D、将步骤C所制产物与纳米二氧化钛混合，得到一种纳米复合滤料。本发明纳米复合滤料具有极强的吸附能力，可除去水中的重金属，杀菌性能好；安全无毒，无二次污染，可用于饮用水或污水的净化。

Bleed air secondary butane filter, for automotive fuel tank, has micropores that reach maximum pore volume on heating

An automotive fuel tank has an air bleed with a supplementary filter to trap organic gaseous particles. The supplementary filter is coupled to a main active carbon granule filter. The supplementary filter has micropores that reach a pore volume of 0.4 cm3 at 42[deg]C. The secondary filter further has a residual mesopore volume of between 0.15 cm3/g and 0.95 cm3/g. The micropore volume is at least 0.7 cm3/g and the mesopore volume is at least 0.25 cm3/g. The maximum mesopore volume is 0.35 cm3/g. The secondary filter has a honeycomb structure and traps n-Butane. The pressure drop across the secondary filter is relatively low. The honeycomb structure is a three-dimensional fiber matrix incorporating fine active carbon granules, anchored by a polyamide binding agent.

Filter for use in vehicle that generates hydrocarbon emissions comprises housing that contains filter element comprising adsorption resin particles on support

A filter for use in a vehicle that generates hydrocarbon emissions comprises a housing that contains a filter element comprising adsorption resin particles on a support and has one side facing the hydrocarbon emission source and another side facing the atmosphere.

烧结多孔材料及应用该多孔材料的过滤元件

本发明公开了一种具有较强耐腐蚀性的烧结多孔材料以及应用该多孔材料的过滤元件。本申请的烧结多孔材料具有如下特征：a)它主要由Ti、Si、C三种元素组成，这三种元素的重量之和占该烧结多孔材料重量的90%以上，其中，Ti为Ti、Si、C总重量的60～75%，Si为Ti、Si、C总重量的10～20%；b)该烧结多孔材料中的C主要是以Ti 3 SiC 2 三元MAX相化合物的形式存在，且在该多孔材料中大致上均匀分布；c)它的孔隙率为30～60%，平均孔径为0.5～50μm，抗拉强度≥23MPa，厚度≤5mm的烧结多孔材料在0.05MPa的过滤压差下测得纯水的过滤通量≥1t/m 2 ·h，且在5wt%的盐酸溶液中室温浸泡48天后的失重率在1.5%以下。本发明的烧结多孔材料具有非常优异的耐腐蚀性能。

A helium compressor absorber with several functional filters

PURPOSE: An adsorber for a helium compressor equipped with a functional filter is provided to effectively filter oil and activated charcoal components from compressed helium gas, and to perform a uniform filtering. CONSTITUTION: An adsorber for a helium compressor equipped with a functional filter comprises the following: a case(10) including an inlet and an outlet to flow helium gas; a filter(20) removing various impurities while minimizing pressure loss from the helium gas; a porous plate(30) formed with holes to guide the flow of the helium gas; and a supporting bar(40) supporting the porous plate. The filter includes: a demister filter(21) separating oil contained in the helium gas; an activated carbon filter(23) repeatedly adsorbing the oil, and removing the impurity included in the helium gas in which the oil is separated; and an activated carbon sheet filter(25) adsorbing activated charcoal components contained in the helium gas passed through the activated carbon filter.

Filter of High-Purity Gas

본 고안은 반도체 산업용 가스 여과필터에 관한 것으로서, 다공성 금속소재 또는 다공성 세라믹소재로 이루어진 필터 메디아에 대한 형상 변형으로 여과면적을 향상시키면서도 소형 제작이 가능한 반도체 산업용 가스 여과필터를 제공하는 것이다. The present invention relates to a gas filtration filter for the semiconductor industry, to provide a gas filtration filter for the semiconductor industry that can be manufactured in a small size while improving the filtration area by the shape deformation of the filter media made of a porous metal material or a porous ceramic material. 본 고안은 가스 유입구(111) 및 필터링 된 가스가 유출되는 가스 유출구(121)를 구비하는 원통형의 가스 필터 하우징(100)과; 상기 하우징(100) 내부에 수용되어 가스의 여과기능을 수행하는 것으로, 다공성 금속소재 또는 다공성 세라믹소재로 이루어진 필터 메디아(200);를 포함하는 것으로, 상기의 필터 메디아(200)는, 일단은 개방되고 또 다른 일단은 차단된 원통형태로 이루어지되, 차단된 일단 중심부는 타단 방향으로 인입된 형태를 이루고, 상기 필터 메디아(200)는 접합에 의한 이음매가 없이 단일 구성이 일체로 형성되는 것을 특징으로 한다. The present invention has a cylindrical gas filter housing 100 having a gas inlet 111 and a gas outlet 121 through which the filtered gas flows out; It is accommodated in the housing 100 to perform a filtration function of the gas, the filter media (200) made of a porous metal material or a porous ceramic material; including, the filter media 200, one end is open The other end is made of a cylindrical shape blocked, but the center of the blocked end is drawn in the other end direction, the filter media 200 is characterized in that a single configuration is integrally formed without a joint by a joint do. 가스 여과필터, 필터 메디아, 금속필터 Gas Filtration Filter, Filter Media, Metal Filter

Functional protective material with membrane having reactive outer coating and protective clothes made from it

FIELD: fire-prevention facilities. SUBSTANCE: invention relates to a protective material, mainly with a function of protection against chemical and/or biological poisons and/or hazardous substances, such as armaments. The functional protective material includes a multilayer structure. The multilayer structure includes a sheet-like, more preferably textile supporting material and a membrane. The membrane is attached, more preferably glued to the supporting material and is equipped with a reactive additive in the form of a catalytically active component, having reaction capacity relative to chemical and/or biological poisons and/or hazardous substances. A catalytically active component includes at least two metals from a group comprising copper, silver, zinc and molybdenum and/or their compounds, together with triethylenediamine (TEDA) and/or an organic acid, and/or salts of sulfuric acid. EFFECT: improved protective characteristics of material against hazardous substances. 10 cl, 1 dwg, 4 ex, 1 tbl РОССИЙСКАЯ ФЕДЕРАЦИЯ (19) RU (11) 2 445 140 (13) C1 (51) МПК A62D 5/00 (2006.01) ФЕДЕРАЛЬНАЯ СЛУЖБА ПО ИНТЕЛЛЕКТУАЛЬНОЙ СОБСТВЕННОСТИ (12) ОПИСАНИЕ ИЗОБРЕТЕНИЯ К ПАТЕНТУ (21)(22) Заявка: 2010132646/05, 03.11.2008 (24) Дата начала отсчета срока действия патента: 03.11.2008 (72) Автор(ы): ФОН БЛЮХЕР Хассо (DE), БЕРИНГЕР Бертрам (DE) (73) Патентообладатель(и): БЛЮХЕР ГМБХ (DE) R U Приоритет(ы): (30) Конвенционный приоритет: 04.01.2008 DE 102008003253.0 06.03.2008 DE 102008012937.2 (45) Опубликовано: 20.03.2012 Бюл. № 8 2 4 4 5 1 4 0 (56) Список документов, цитированных в отчете о поиске: CA 2583251 A1, 13.04.2006. US 5130159 A, 14.07.1992. RU 2004113984 A, 27.10.2005. RU 2057560 C1, 10.04.1996. RU 2005125580 A, 20.02.2007. US 2003021903 A1, 30.01.2003. 2 4 4 5 1 4 0 R U (86) Заявка PCT: EP 2008/009244 (03.11.2008) C 1 C 1 (85) Дата начала рассмотрения заявки PCT на национальной фазе: 04.08.2010 (87) Публикация заявки РСТ: WO 2009/086858 (16.07.2009) Адрес для переписки: ...

Water filter

FIELD: food industry. SUBSTANCE: invention relates to the filtering devices for water treatment, mostly for removal bacteria and viruses. The water filtering device for water treatment contains the connector to provide the liquid connection between the water filter and the untreated drinking water source. The device contains the low pressure water filter which has the water-filtering material containing the mesoporous activated filtering carbon particles. The water filter has the filter bacteria logarithmic removal (F-BLR) more than approximately 2 log and the filter virus logarithmic removal (F-VLR) more than approximately 1 log. The device contains the storage case which has the liquid connection with the low pressure water filter. The device also has the automatic gate-type valve to stop the flaw of the treated drinking water in the storage case. The device has the dosing unit for dispensing the treated drinking water from the storage case. The treated drinking water can flow to the storage case at rate of at least 5 ml/min, unless the automatic gate-type valve is activated so as to stop the flaw of the treated drinking water in the storage case. EFFECT: effective water cleaning off microbiologic contaminations without using electric devices. 44 cl, 10 dwg ÐÎÑÑÈÉÑÊÀß ÔÅÄÅÐÀÖÈß RU (19) (11) 2 329 084 (13) C2 (51) ÌÏÊ B01D B01J B01D C02F 27/00 (2006.01) 20/20 (2006.01) 39/20 (2006.01) 1/28 (2006.01) ÔÅÄÅÐÀËÜÍÀß ÑËÓÆÁÀ ÏÎ ÈÍÒÅËËÅÊÒÓÀËÜÍÎÉ ÑÎÁÑÒÂÅÍÍÎÑÒÈ, ÏÀÒÅÍÒÀÌ È ÒÎÂÀÐÍÛÌ ÇÍÀÊÀÌ (12) ÎÏÈÑÀÍÈÅ ÈÇÎÁÐÅÒÅÍÈß Ê ÏÀÒÅÍÒÓ (21), (22) Çà âêà: 2006104644/15, 19.08.2004 (72) Àâòîð(û): ÒÝÍÍÅÐ Äæîí Ä. (US), ÝÌÌÎÍÑ Äýâèä Äæåéìñ (US), ÐÀÉÄÝË Ðè÷àðä Ï. (US) (24) Äàòà íà÷àëà îòñ÷åòà ñðîêà äåéñòâè ïàòåíòà: 19.08.2004 (73) Ïàòåíòîîáëàäàòåëü(è): ÏÞÐ ÓÎÒÅÐ ÏÜÞÐÈÔÈÊÅÉØÍ ÏÐÎÄÀÊÒÑ ÈÍÊ. (US) (43) Äàòà ïóáëèêàöèè çà âêè: 27.09.2007 R U (30) Êîíâåíöèîííûé ïðèîðèòåò: 19.08.2003 US 10/643,669 (45) Îïóáëèêîâàíî: 20.07.2008 Áþë. ¹ 20 2 3 2 9 0 8 4 (56) Ñïèñîê äîêóìåíòîâ, öèòèðîâàííûõ â îò÷åòå î ...

Electret nanofibrous web

The present invention is directed toward an electret nanofibrous web comprising a single source randomly intermingled fiber network with a range of fiber diameters that yields improved mechanical strength.

Blood component separation system, separation material

Porous material

Ceramic filter with supporting body and method of preparing thereof

본 발명은 지지체를 갖는 세라믹 필터 및 그 제조방법에 관한 것으로, 특히 다공성 세라믹 필터에 있어서, 상기 다공성 세라믹 필터의 외벽, 내벽 또는 내부에 망상 또는 와이어형 지지체를 포함하는 것을 특징으로 하는 지지체를 갖는 세라믹 필터 및 그 제조방법에 관한 것이다. BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a ceramic filter having a support and a method of manufacturing the same. In particular, in a porous ceramic filter, a ceramic having a support comprising a reticulated or wire-like support on the outer wall, the inner wall, or the inside of the porous ceramic filter. A filter and a method of manufacturing the same. 본 발명에 따르면 세라믹 필터의 제작 또는 사용중에 취급의 부주의 또는 외부의 충격 등에 대하여 저항성을 갖고, 이러한 외력에 의하여 발생할 수 있는 세라믹 필터의 균열, 파손 등을 최소화할 수 있으며, 2차적으로 세라믹 필터의 파손에 따라 발생한 파편이 세라믹 필터로부터 분리되지 않아 흡기구 내로 유입되어 2차 파손이 일어나는 것을 방지할 수 있는 효과가 있고, 상기 지지체를 발열체로 이용하여 집진된 분진의 가열을 통한 연소에 의하여 실시간 분진제거와 필터의 재활용이 용이하고, 공정중의 집진장치 내부에 발생하는 응축수의 발생을 억제하고, 또한 본 발명의 제조방법을 통하여 대형필터를 저가에 용이하게 제조할 수 있으며 눈막힘 현상 및 압력손실의 최소화와 통기도 및 포집효율을 현저히 향상시킬 수 있다. According to the present invention, it is resistant to inadvertent handling or external impact during the manufacture or use of the ceramic filter, and it is possible to minimize the crack, breakage, etc. of the ceramic filter which may be caused by such external force, Since the debris generated due to the breakage is not separated from the ceramic filter, it can be introduced into the intake port to prevent secondary breakage. The dust is removed in real time by burning the dust collected by using the support as a heating element. And filter can be easily recycled, condensed water generated inside the dust collector in the process can be suppressed, and the large sized filter can be easily manufactured at low cost through the production method of the present invention. Minimization, aeration and collection efficiency can be significantly improved. 세라믹, 필터, 망상, 와이어형, 지지체 Ceramic, Filter, Reticulated, Wire Type, Support

Support and drainage material, filter, and method of use

지지 및 배수 재료, 상기 재료를 포함하는 필터 및 사용 방법이 개시된다. A support and drainage material, a filter comprising the material, and a method of use are disclosed.

High performance filters comprising inorganic fibers having inorganic fiber whiskers grown thereon

A filter media system, which is capable of operating in the microfiltration regime, offers: low cost, durability, high temperature and chemical resistance, no particulation, mechanical strength, separation efficiency, and biocompatibility. The present invention provides a filter media system comprising a fibrous substrate of at least one of carbon and ceramic fibers, wherein an array of carbon or ceramic fiber whiskers have been grown onto the fibrous substrate, without prior densification of the fibrous substrate. A process for manufacturing a filter media system wherein a carbon fiber is treated with a solution of metal catalyst salt, heated in hydrogen at elevated temperatures to reduce the metal salt to metal, and whisker growth is initiated on the surfaces of the metal deposited carbon fibers by decomposition of low molecular weight hydrocarbon gas at elevated temperature is also provided.

Manufacturing method of plastic filter housing comprising metallic hollow fiber having porosity

본 발명의 관계식의 조건을 만족하여 제조된 다공성 금속 중공사 여과재를 포함하는 플라스틱 필터 하우징은 플라스틱과 금속 중공사의 접합면의 접합강도가 매우 높을 뿐 아니라 오랜시간이 경과하여도 크랙등이 발생하지 않고 접합강도가 일정하게 유지된다. 나아가, 금속 중공사 여과재의 표면에 특정한 산술평균거칠기(Ra) 값을 부여하는 경우 접합강도를 극대화할 수 있다. The plastic filter housing including the porous metal hollow fiber filter medium manufactured by satisfying the conditions of the relational expression of the present invention has a very high bonding strength between the joint surface of the plastic and the metal hollow yarn and does not generate cracks even after a long time. Bond strength remains constant. Furthermore, when a specific arithmetic mean roughness (Ra) value is given to the surface of the metal hollow fiber filter medium, the bonding strength may be maximized.

Metal fibers, their production and fabrication

FIELD: process engineering. ^ SUBSTANCE: invention relates to metal fibers production processes. In compliance with proposed method at least one metal block 2 is prepared to be cut by at least one rotary tool 3 to strip fibers 1 from said block. Note here that stripping the material is performed layer-by-layer at different levels 9 on feeding said rotary cutting tool 3 into said metal block at said different levels 9 and a shift. ^ EFFECT: increased uniformity of fibers in thickness. ^ 8 cl, 5 dwg РОССИЙСКАЯ ФЕДЕРАЦИЯ (19) RU (11) 2 394 666 (13) C2 (51) МПК B22F 9/04 (2006.01) B23C 3/00 (2006.01) F01N 3/022 (2006.01) ФЕДЕРАЛЬНАЯ СЛУЖБА ПО ИНТЕЛЛЕКТУАЛЬНОЙ СОБСТВЕННОСТИ, ПАТЕНТАМ И ТОВАРНЫМ ЗНАКАМ (12) ОПИСАНИЕ ИЗОБРЕТЕНИЯ К ПАТЕНТУ (21), (22) Заявка: 2007108073/02, 03.08.2005 (24) Дата начала отсчета срока действия патента: 03.08.2005 (73) Патентообладатель(и): ЭМИТЕК ГЕЗЕЛЬШАФТ ФЮР ЭМИССИОНСТЕХНОЛОГИ МБХ (DE) (43) Дата публикации заявки: 27.11.2008 2 3 9 4 6 6 6 (45) Опубликовано: 20.07.2010 Бюл. № 20 (56) Список документов, цитированных в отчете о поиске: JP 58-071002 А, 27.04.1983. SU 1429946 A3, 07.10.1988. GB 1051275 А, 14.12.1966. JP 200167721 А, 20.06.2000. JP 55-090235 А, 08.07.1980. 2 3 9 4 6 6 6 R U (86) Заявка PCT: EP 2005/008404 (03.08.2005) C 2 C 2 (85) Дата перевода заявки PCT на национальную фазу: 06.03.2007 (87) Публикация PCT: WO 2006/015783 (16.02.2006) Адрес для переписки: 101000, Москва, М.Златоустинский пер., 10, кв.15, "ЕВРОМАРКПАТ", пат.пов. И.А.Веселицкой, рег. № 11 (54) МЕТАЛЛИЧЕСКИЕ ВОЛОКНА, ИХ ИЗГОТОВЛЕНИЕ И ПРИМЕНЕНИЕ (57) Реферат: Изобретение относится к способам изготовления металлических волокон. Согласно способу подготавливают, по меньшей мере, один металлический блок (2) и технологическим методом резания с использованием, по меньшей мере, одного вращающегося инструмента (3) с металлического блока снимают материал в виде волокон (1). При этом снятие материала осуществляют последовательно слоями на различных уровнях (9) при врезании ...

Vacuum cleaner filter bag

FIELD: satisfaction of human life necessities. SUBSTANCE: permeability of the first filtration layer exceedes 60%, in particular 75%. The first filteration layer comprises at least three and maximum twenty-five separate layers, in particular at least five and a maximum of fifteen separate layers. Each separate layer is nonwoven with a dry laying and density from 5 g/m 2 to 50 g/m 2 , in particular from 8 g/m 2 to 30 g/m 2 . EFFECT: increasing filter efficiency. 17 cl, 7 dwg РОССИЙСКАЯ ФЕДЕРАЦИЯ (19) RU (11) (13) 2 620 408 C2 (51) МПК A47L 9/14 (2006.01) ФЕДЕРАЛЬНАЯ СЛУЖБА ПО ИНТЕЛЛЕКТУАЛЬНОЙ СОБСТВЕННОСТИ (12) ФОРМУЛА (21)(22) Заявка: ИЗОБРЕТЕНИЯ К ПАТЕНТУ РОССИЙСКОЙ ФЕДЕРАЦИИ 2015138275, 12.03.2014 (24) Дата начала отсчета срока действия патента: 12.03.2014 (72) Автор(ы): ЗАУЭР Ральф (BE), ШУЛЬТИНК Ян (BE) (73) Патентообладатель(и): ЕВРОФИЛЬТЕРС ХОЛДИНГ Н.В. (BE) Дата регистрации: (56) Список документов, цитированных в отчете о поиске: RU 2429047 C2, 20.09.2011. RU Приоритет(ы): (30) Конвенционный приоритет: 15.03.2013 EP 13159331.1 (45) Опубликовано: 25.05.2017 Бюл. № 15 (85) Дата начала рассмотрения заявки PCT на национальной фазе: 15.10.2015 (86) Заявка PCT: EP 2014/054885 (12.03.2014) (87) Публикация заявки PCT: 2 6 2 0 4 0 8 (43) Дата публикации заявки: 19.04.2017 Бюл. № 11 2457770 C2, 10.08.2012. RU 2465806 С2, 10.11.2012. RU 2405403 С2, 10.12.2010. DE 60032223 T2, 20.09.2007. R U 25.05.2017 2 6 2 0 4 0 8 R U C 2 C 2 WO 2014/140127 (18.09.2014) Адрес для переписки: 190000, Санкт-Петербург, Box-1125, "ПАТЕНТИКА" (54) ФИЛЬТРОВАЛЬНЫЙ МЕШОК ДЛЯ ПЫЛЕСОСА (57) Формула изобретения 1. Фильтровальный мешок пылесоса, содержащий первый фильтрующий слой и второй фильтрующий слой, причем первый фильтрующий слой расположен в направлении потока ранее по потоку относительно второго фильтрующего слоя, первый фильтрующий слой имеет проницаемость более 60%, в частности более 75%, и первый фильтрующий слой содержит по меньшей мере три и максимально двадцать пять отдельных слоев, ...

Method for producing porous scaffolds with unidirectionally macro-channel and porous scaffolds with unidirectionally macro-channel manufactured thereby

본 발명은 다공체를 이루는 전구물질, 분산제 및 동결매체를 함유하는 슬러리를 중앙에 캠핀 봉이 형성된 원통형 주형에 붇고, 동결매체의 어는점 이하에서 동결 성형 후, 압출하는 단계; 상기 압출된 하나 이상의 성형체를 적층한 후, 가압하는 단계; 및 상기 가압된 성형체의 적층물을 동결 건조하여 동결매체를 제거하는 단계를 포함하는 일방향성 매크로 채널을 가지는 다공성 지지체의 제조 방법에 관한 것이다. 본 발명에 따른 제조 방법에 의해 제조된 일방향성 매크로 채널을 가지는 다공성 지지체는 내부 연결 기공이 뛰어나고, 이중 기공구조를 가지며, 동결매체의 재용융 현상을 이용하여 기공크기의 제어가 가능하다. 또한, 3D 로봇을 이용하여 간접적으로 몰드를 사용하여 복잡한 구조를 만드는 기존의 방법 대신 직접적으로 복잡한 구조를 제조할 수 있다. The present invention relates to a method for producing a porous material, comprising the steps of: pouring a slurry containing a precursor, a dispersant and a freezing medium constituting a porous material into a cylindrical mold having a cam pin bar at the center thereof; Stacking the extruded molded body and pressing the extruded molded body; And And lyophilizing the laminate of the pressed compact to remove the freezing medium. The present invention also relates to a method for producing a porous support having unidirectional macrochannels. The porous support having unidirectional macrochannels manufactured by the production method according to the present invention is excellent in internal connection pores, has a double pore structure, and can control the pore size using the remelting phenomenon of the freezing medium. In addition, instead of the conventional method of creating a complicated structure using a mold indirectly using a 3D robot, a complicated structure can be directly manufactured.

Nonwoven fabric and air filter using the same

Filter media having a density variation

METAL FIBERS, THEIR MANUFACTURE AND APPLICATION

ÐÎÑÑÈÉÑÊÀß ÔÅÄÅÐÀÖÈß (19) RU (11) 2007 108 073 (13) A (51) ÌÏÊ B22F 9/04 B23C 3/00 (2006.01) (2006.01) ÔÅÄÅÐÀËÜÍÀß ÑËÓÆÁÀ ÏÎ ÈÍÒÅËËÅÊÒÓÀËÜÍÎÉ ÑÎÁÑÒÂÅÍÍÎÑÒÈ, ÏÀÒÅÍÒÀÌ È ÒÎÂÀÐÍÛÌ ÇÍÀÊÀÌ (12) ÇÀßÂÊÀ ÍÀ ÈÇÎÁÐÅÒÅÍÈÅ (21), (22) Çà âêà: 2007108073/02, 03.08.2005 (71) Çà âèòåëü(è): ÝÌÈÒÅÊ ÃÅÇÅËÜØÀÔÒ ÔÞÐ ÝÌÈÑÑÈÎÍÑÒÅÕÍÎËÎÃÈ ÌÁÕ (DE) (30) Êîíâåíöèîííûé ïðèîðèòåò: 06.08.2004 DE 102004038331.6 (43) Äàòà ïóáëèêàöèè çà âêè: 27.11.2008 Áþë. ¹ 33 (87) Ïóáëèêàöè PCT: WO 2006/015783 (16.02.2006) Àäðåñ äë ïåðåïèñêè: 101000, Ìîñêâà, Ì.Çëàòîóñòèíñêèé ïåð., 10, êâ.15, "ÅÂÐÎÌÀÐÊÏÀÒ", ïàò.ïîâ. È.À.Âåñåëèöêîé, ðåã. ¹ 11 R U (57) Ôîðìóëà èçîáðåòåíè 1. Ñïîñîá èçãîòîâëåíè ìåòàëëè÷åñêèõ âîëîêîí (1), çàêëþ÷àþùèéñ â âûïîëíåíèè ïî ìåíüøåé ìåðå ñëåäóþùèõ ñòàäèé: (à) ïîäãîòàâëèâàþò ïî ìåíüøåé ìåðå îäèí ìåòàëëè÷åñêèé áëîê (2), (á) òåõíîëîãè÷åñêèì ìåòîäîì ðåçàíè ñ èñïîëüçîâàíèåì ïî ìåíüøåé ìåðå îäíîãî âðàùàþùåãîñ èíñòðóìåíòà (3) ñ ìåòàëëè÷åñêîãî áëîêà ñíèìàþò ìàòåðèàë â âèäå âîëîêîí (1). 2. Ñïîñîá ïî ï.1, íà ñòàäèè (á) êîòîðîãî ìàòåðèàë ìåòàëëè÷åñêîãî áëîêà ñíèìàþò ïóòåì òîðöîâîãî ôðåçåðîâàíè . 3. Ñïîñîá ïî ï.1, êîòîðûì èçãîòàâëèâàþò âîëîêíà (1) òîëùèíîé (4) îò 10 äî 100 ìêì. 4. Ñïîñîá ïî ï.1, êîòîðûì èçãîòàâëèâàþò âîëîêíà (1) äëèíîé (5) îò 1 äî 50 ìì. 5. Ñïîñîá ïî ï.1, êîòîðûì èçãîòàâëèâàþò âîëîêíà (1) âûñîòîé (6) îò 10 äî 20 100 ìêì. 6. Ñïîñîá ïî ï.1, ïðè îñóùåñòâëåíèè êîòîðîãî ïî ìåíüøåé ìåðå îäèí èíñòðóìåíò (3) ïðèâîä ò âî âðàùåíèå ñ çàäàííîé ÷àñòîòîé è ïåðåìåùàþò ñ çàäàííîé ñêîðîñòüþ ïîäà÷è îòíîñèòåëüíî ïî ìåíüøåé ìåðå îäíîãî ìåòàëëè÷åñêîãî áëîêà (2), âûáèðà ïðè ýòîì ÷àñòîòó âðàùåíè èíñòðóìåíòà è ñêîðîñòü ïîäà÷è òàêèìè, ïðè êîòîðûõ èçãîòàâëèâàåìûå âîëîêíà (2) ïî ìåíüøåé ìåðå íà 50% ñâîåé äëèíû (5) èìåþò åäèíîîáðàçíóþ òîëùèíó (4). 7. Ñïîñîá ïî ï.1, ïðè îñóùåñòâëåíèè êîòîðîãî îáðàáîòêó ïî ìåíüøåé ìåðå îäíîãî ìåòàëëè÷åñêîãî áëîêà (2) íà÷èíàþò ñî ñòîðîíû åãî ôðîíòàëüíîé ïîâåðõíîñòè (7), ïðîôèëü êîòîðîé â îñíîâíîì ñîîòâåòñòâóåò ïðîôèëþ (8) èíñòðóìåíòà (3). 8. Ñïîñîá ïî ï.1, ïðè îñóùåñòâëåíèè êîòîðîãî ...

Porous material and methods of making and of using the same

In an embodiment, a porous material comprises a base polymer having a continuous pore structure. In another embodiment, a method of making the porous material comprises reacting a base polymer with a degradable polymer with a crosslinker in the presence of a solvent and/or reacting a base polymer and a degradable polymer with a crosslinker in the presence of the solvent; removing the solvent to form a phase separated material; and removing the degradable polymer to form the porous material.

Particulate trap with the coated fiber layer

本发明涉及一种用于用来净化汽车内燃机(13)的废气的颗粒陷阱(2)的由金属纤维制成的耐高温纤维层(1)，其特征为：所述纤维层(1)至少在一个区段(3)内具有一催化活性和/或吸收性的涂层(4)，特别是如氧化催化器和/或三元催化器和/或SCR-催化器的涂层那样的涂层。

Porogen compositions, methods of making and uses

Provided are porogen compositions and methods of using such porogen compositions in the manufacture of porous materials, for example, porous silicone elastomers. The porogens generally include comprising a core material and shell material different from the core material. The porogens can be used to form a scaffold for making a resulting porous elastomer when the scaffold is removed.

Support and drainage material, filter and method of use

本发明公开了一种支撑和排水材料，包括该材料的过滤器以及使用方法。

Electret sheet and filter

本发明的目的在于，提供一种低压力损失型过滤器，具有较高的集尘能力，且洗净后也抑制集尘能力的降低。本发明涉及驻极体化片材及使用了其的过滤器，驻极体化片材至少包含表面层、高电介质层、以及背面层，且在表面层与背面层之间具有高电介质层，其特征在于，表面层及背面层分别是100kHz下的相对介电常数低于6的热塑性树脂膜，高电介质层是100kHz下的相对介电常数为6以上的材料，表面层及背面层具有带电处理产生的静电。

Microfilter, manufacturing method and manufacturing apparatus thereof

본 발명은 1~30㎛의 대공경을 가지며, 1~30㎛의 두께를 가지는 고분자 다공층이 섬유 브레이드 직물 표면에 형성되며, 상기 고분자 다공층이 안정적으로 유지되는 마이크로필터 및 그 제조방법과 제조장치를 제공하기 위한 것으로, 복수개의 필라멘트로 이루어지는 섬유 브레이드 직물; 상기 섬유 브레이드 직물의 표면에 형성되고, 1~30 ㎛의 두께를 가지며, 외측면에 1~30㎛크기의 복수개의 통공이 형성되는 고분자 다공층을 포함하는 마이크로필터 및 그 제조방법과 제조장치를 제공한다. The present invention relates to a microfilter in which a polymer porous layer having a pore diameter of 1 to 30 μm and a thickness of 1 to 30 μm is formed on the surface of a fiber braid fabric and the polymer porous layer is stably retained, A fiber braid fabric comprising a plurality of filaments; A microporous layer formed on the surface of the fiber braid fabric and having a thickness of 1 to 30 mu m and a plurality of through holes formed on the outer surface of the microporous layer having a size of 1 to 30 mu m, to provide.

Porous Teflon and preparation thereof

本发明涉及多孔聚四氟乙烯(PTFE)，由此制造 的成型制品，以及制造所述制品的方法。

Trap of hard particles that contains fibrous layer with coating

FIELD: technological processes. SUBSTANCE: invention is related to fibrous layer, which is resistant to exposure to high temperatures and is used in the trap of hard particles, which is intended for purification of spent gases that are formed during operation of automobile engines of internal combustion, and to the hard particles trap. Fibrous layer resistant to exposure of high temperatures, made of porous sintered and/or fibrous material (metal fibres), used in open trap of hard particles, has at least on one section catalytically active coating that contains γ-oxide of aluminium. Layer porosity makes at least 50%, and thickness is less than 3 mm. In longitudinal cut with plane that is parallel to the largest external surface of layer, there are openings with average width from 0.01 to 0.5 mm. Trap of hard particles has at least one partially profiled sheet of foil and at least one fibrous layer resistant to effect of high temperatures, at that several sheets of foil and several fibrous layers that alternate with each other, are rolled and installed in jacket. There are through openings and flow-directing surfaces on foil sheets that deflect flows of spent gases in direction of fibrous layer. EFFECT: increase of efficiency and reliability of trap, simplification, reduction of cost of manufacture, installation and maintenance. 10 cl, 6 dwg ÐÎÑÑÈÉÑÊÀß ÔÅÄÅÐÀÖÈß (19) RU (11) 2 333 788 (13) C2 (51) ÌÏÊ B01D 53/94 (2006.01) F01N 3/022 (2006.01) B01D 39/20 (2006.01) ÔÅÄÅÐÀËÜÍÀß ÑËÓÆÁÀ ÏÎ ÈÍÒÅËËÅÊÒÓÀËÜÍÎÉ ÑÎÁÑÒÂÅÍÍÎÑÒÈ, ÏÀÒÅÍÒÀÌ È ÒÎÂÀÐÍÛÌ ÇÍÀÊÀÌ (12) ÎÏÈÑÀÍÈÅ ÈÇÎÁÐÅÒÅÍÈß Ê ÏÀÒÅÍÒÓ (21), (22) Çà âêà: 2005121123/15, 07.11.2003 (72) Àâòîð(û): ÁÐÞÊÊ Ðîëüô (DE) (24) Äàòà íà÷àëà îòñ÷åòà ñðîêà äåéñòâè ïàòåíòà: 07.11.2003 (73) Ïàòåíòîîáëàäàòåëü(è): ÝÌÈÒÅÊ ÃÅÇÅËÜØÀÔÒ ÔÞÐ ÝÌÈÑÑÈÎÍÑÒÅÕÍÎËÎÃÈ ÌÁÕ (DE) R U (30) Êîíâåíöèîííûé ïðèîðèòåò: 05.12.2002 DE 10257113.9 (43) Äàòà ïóáëèêàöèè çà âêè: 10.01.2007 (45) Îïóáëèêîâàíî: 20.09.2008 Áþë. ¹ 26 2 3 3 3 7 8 8 (56) Ñïèñîê äîêóìåíòîâ, ...

Vibration filter module

미세 플라스틱 등의 부스러기가 발생하지 않고, 필터 전체를 골고루 진동시키면서 필터를 세척할 수 있어서 필터에 대한 세척효율이 뛰어나서 양호한 우수처리성능을 오래 유지할 수 있는 진동필터모듈이 개시된다. 상기 진동필터모듈은 물에 포함된 부유물을 걸러주기 위한 발포금속필터, 상기 발포금속필터의 일부 가장자리를 둘러싸는 프레임 및 상기 발포금속필터 또는 상기 프레임에 결합되고 전원이 인가되면 진동함으로써 상기 발포금속필터를 진동시키기 위한 진동수단을 포함하는 구성을 한다. Disclosed is a vibration filter module capable of maintaining good excellent treatment performance for a long time because it is possible to wash the filter while vibrating the entire filter without generating debris such as microplastics, and thus having excellent cleaning efficiency for the filter. The vibration filter module is coupled to a metal foam filter for filtering suspended matter contained in water, a frame surrounding some edges of the metal foam filter, and the metal foam filter or the frame, and vibrates when power is applied to the foam metal filter It has a configuration including a vibrating means for vibrating the.

WATER FILTRATION SYSTEM

РОССИЙСКАЯ ФЕДЕРАЦИЯ (19) RU (11) (13) 2020 123 395 A (51) МПК C02F 9/08 (2006.01) ФЕДЕРАЛЬНАЯ СЛУЖБА ПО ИНТЕЛЛЕКТУАЛЬНОЙ СОБСТВЕННОСТИ (12) ЗАЯВКА НА ИЗОБРЕТЕНИЕ (21)(22) Заявка: 2020123395, 17.12.2018 (71) Заявитель(и): ПЕПСИКО, ИНК. (US) Приоритет(ы): (30) Конвенционный приоритет: 21.12.2017 US 15/851,097 (85) Дата начала рассмотрения заявки PCT на национальной фазе: 21.07.2020 R U (43) Дата публикации заявки: 21.01.2022 Бюл. № 3 (72) Автор(ы): ШАРМА, Викас Кумар (US), ВЕНКАТАРАМАН, Шрирам (US) (86) Заявка PCT: (87) Публикация заявки PCT: WO 2019/126053 (27.06.2019) R U (54) СИСТЕМА ФИЛЬТРАЦИИ ВОДЫ (57) Формула изобретения 1. Фильтр для воды, содержащий: корпус, включающий в себя штуцер подвода воды для приема воды и штуцер отвода воды для подачи воды, причем штуцер подвода воды присоединен по текучей среде к штуцеру отвода воды; первую пористую среду, содержащую фильтр с активированным углем, выполненный с возможностью удаления из воды органических и неорганических соединений, причем первая пористая среда соединена по текучей среде со штуцером подвода воды и расположена внутри корпуса; вторую пористую среду, содержащую мембрану, выполненную с возможностью удаления из воды микробных организмов, причем вторая пористая среда соединена по текучей среде со штуцером подвода воды и расположена внутри корпуса; третью пористую среду, содержащую ионообменную смолу, выполненную с возможностью регулирования уровня растворенных в воде минеральных веществ, причем третья пористая среда соединена по текучей среде со штуцером подвода воды и расположена внутри корпуса; и четвертую пористую среду, выполненную с возможностью улучшения вкуса воды, причем четвертая пористая среда соединена по текучей среде со штуцером подвода воды и расположена внутри корпуса, при этом корпус выполнен с возможностью направления воды от штуцера подачи Стр.: 1 A 2 0 2 0 1 2 3 3 9 5 A Адрес для переписки: 121069, Москва, ул. Хлебный пер, 19Б, пом. 1, ООО "ПЕТОШЕВИЧ" 2 0 2 0 1 2 3 3 9 5 US 2018/066034 ( ...