Abstract: A membrane is provided, comprising a first membrane layer having a first side and a second side. The first membrane layer defines a plurality of holes extending along a first axis between the first side and the second side. Each hole is defined by the first membrane layer as a complex three-dimensional shape, and each hole has a diameter of less than about 10 micrometers. The membrane is fabricated by dispersing a liquid polymeric material onto a patterned master template, hardening the polymeric material, and removing it from the master template. The membrane includes through holes which correspond to the structures of the patterned master template in size, cross-sectional and three dimensional shape, orientation, and the like.

Abstract: A filter assembly includes a filtering screen having a top surface and a bottom surface. A skeletal structure is attached to the filtering screen and has a top surface and a bottom surface. The bottom surface of the filtering screen contacts the top surface of the skeletal structure. The skeletal structure forms a plurality of downward extending channels.

Abstract: A lubricant reclamation system having a reclamation device (100) is sectioned into three processing sections: a centralized core section (150), a peripheral filtering section (170), and a base filtering section (190). A series of peripheral conduits (172, 182) are disposed within the peripheral filtering section (170) having an entrance port (174) in communication with an inlet manifold (105) and discharging via an exit port (176) in communication with the base filter (190), a peripheral filtering material (178), or the core filtering section (150). The peripheral conduits (172, 182) can be linear, multi-directional, tapering, and spiraling. The filter is in fluid communication with a series of stacked reclamation members (130, 140). The stacked reclamation members (130, 140) provide processing and/or monitoring of the lubricant via electrical or pneumatic interface.

Abstract: A filter and filter media configured and arranged for placement in a fuel stream is disclosed. The filter and filter media allow for filtering of liquid fuels, such as diesel fuel. In certain embodiments the filter media includes a media fiber (such as glass) and a binder fiber (such as bicomponent) that combine to create a media structure having low solidity and relatively low compressibility, and which contain a pore structure that avoids premature fouling of the filter by fuel degradation products.

Abstract: A filter medium comprises a modified cross-section fiber (A) having a fiber diameter between 40 and 70 ?m, an extremely fine fiber (B) having a fiber diameter of more than 5 ?m and no more than 10 ?m and a modified cross-section fiber (C) having a fiber diameter between 15 and 30 ?m, the content of the extremely fine fiber (B) is between 3 and 10% by mass, and the content of the modified cross-section fiber (C) is between 5 and 15% by mass based on 100% by mass of total the fibers in the filter medium.

Abstract: A suction filter has a filter member including multiple filter layers stacked in a thickness direction. The suction filter removes extraneous matters contained in fuel when the fuel passes through the filter member in the thickness direction. The filter member has gaps among the filter layers adjacent to each other in the thickness direction. An opening area variable section is formed in at least one of the filter layers. The opening area variable section enlarges and opens when the filter layer bends. The opening area variable section enlarges and opens to form a through hole penetrating through the filter layer if the filter layer bends to a downstream filter layer side due to flow pressure caused when the fuel flows.

Abstract: An apparatus, system and method to facilitate fluid flow across a filter. The apparatus includes a filtration layer coupled to a support layer to form a composite filter. The support layer includes a hydroentangled cellulosic material forming a plurality of apertures. The apertures form channels to facilitate fluid flow across the filter while the support layer provides structural support to the filtration layer to enable lateral flow while preventing pleat deformation and collapse.

Abstract: The web of the invention can comprise a super absorbent layer that can act as an moisture sensitive fuel shut-off valve, absorbent, adsorbant or reactant. The web of the invention can comprise a super absorbent fabric or layer made of a superabsorbent particle or fiber. The web can comprise a nanofiber layer having dispersed within the nanofiber layer a super absorbent particulate and optionally a second particulate material that can act as an absorbent, adsorbant or reactant. Fluid, gas or liquid, that flows through or by the assemblies of the invention can have any gas, liquid or solid material dispersed or dissolved in the fluid interact with the super absorbent particulate. If needed these materials can also react with, be absorbed by, or adsorbed onto, the active particulate within the nanofiber layer.

Abstract: A sink filter device for placing inside a sink bowl of a sink or a shower or tub comprising a first sheet; a second sheet atop the first sheet; and a plurality of pores disposed throughout the first sheet and throughout the second sheet. In some embodiments, the pores are between about 50 ?m to 5 mm in diameter. The second sheet is oriented atop the first sheet such that the pores in the second sheet are slightly aligned with the pores in the first sheet.

Abstract: Disclosed are coalescers, systems, and methods for coalescing a mixture of two phases, namely a continuous phase and a dispersed phase. The disclosed coalescers, systems, and methods include or utilize one or more layers of media material having a distinct mean pore size and wettability. The disclosed coalescers, systems, and methods are effective for removing the dispersed phase from the mixture.

Abstract: A magnetic filtering film is used to remove grains from liquid that goes through the magnetic filtering film. The magnetic filtering film includes a rubber film and micro-magnets. The rubber film is made of organic polymer. The rubber film is formed with apertures through which liquid can go. The micro-magnets are distributed in the rubber film for attracting ferromagnetic grains from the liquid.

Abstract: A fuel filter system, particularly a diesel filter, including a housing, a particle filter arranged in the housing, and a coalescer element mounted on the particle filter. Fuel passes successively through the serially connected coalescer and particle filter. The coalescer element improves the separation of any water contained in the fuel to be filtered, while exhibiting no or no significant fuel-filtering properties.

Abstract: Embodiments of the invention provide a membrane module including a first plurality of fibers capable of filtering fluids that are helically wound in layers creating a mono helix. Fluids to be treated can flow radially with respect to a longitudinal axis of the mono helix or parallel to the longitudinal axis of the mono helix. The membrane module can further include a second plurality of fibers that are helically wound with the first plurality of fibers to create a dual helix. The second plurality of fibers can have different properties than the first plurality of fibers in order to achieve different filtering functionalities.

Abstract: An oil filter for use in an electric motor forming part of a downhole device such as an ESP, comprising a two-part filter including a first part formed from a porous material which acts to filter solid particulate material from the motor oil, and a second part comprising a sorbent for removing aqueous liquids from the motor oil.

Abstract: The invention relates to a method of making a solid-liquid filtration cloth, a solid-liquid filtration cloth, and a filter in which the solid-liquid filtration cloth is arranged. The filter cloth (7) is provided with yarns (13b) having a highly changing length and a long free run in the weave. When the length of the yarns (13b) is allowed to shorten significantly, a filtration portion (15) on the side of a surface (14) of the cloth obtains a corrugated shape, providing the cloth with a large filtering area.

Abstract: A curb inlet filter is force fit into the throat of a curb inlet to filter debris and sediment from storm water entering an inlet. The device has a filter media affixed to the lower portion of a semi-rigid “C” shaped frame with upper retention flange. The shape and upper flange of the device combine to create a secure compression fit into the receiving inlet. The design includes an overflow feature above the extents of the filter media for heavy storm events. The “C” shape of the filter and placement within the throat of the curb inlet encourages sediment and debris to be captured within the device away from pedestrian and vehicular traffic. The device can easily be removed from the curb inlet while retaining the collected sediment and debris. The captured contaminants can be disposed of by emptying the contents in a designated area.

Abstract: Filter media, including those suitable for hydraulic applications, and related components, systems, and methods associated therewith are provided. The filter media described herein may include two or more layers, at least one of the layers having a relatively high percentage of microglass fibers. Additionally, the filter media may be designed such that the ratio of average fiber diameters between two layers is relatively small, which can lead to a relatively low resistance ratio between the layers. In some embodiments, at least one layer of the filter media comprises synthetic polymer fibers. Certain filter media described herein may have desirable properties including high dirt holding capacity and a low resistance to fluid flow. The media may be incorporated into a variety of filter element products including hydraulic filters.

Abstract: Acid-neutralizing filter media includes filter media fibers in combination with a strong base of small particle size and high surface area attached to and immobilized on the filter media fibers, and methodology therefore.

Abstract: The invention refers to method for selectively binding and separating at least one component from whole blood or a body fluid, whereby the blood or body fluid is allowed to pass through a rigid integral separation matrix without being excluded therefrom. The matrix has a porous structure with a pore size ranging from 5 micron to 500 micron as well as an active surface ranging from 0.5 cm2 to 10 m2, and the surface is able to bind such components.

Abstract: A filter apparatus F includes a bag-shape filter body and is attached in such a manner that an internal space of the filter body is connected to a fuel inlet in a fuel tank. The filter body includes two or more filter materials laminated each other. At least one of the filter materials is formed of an unwoven cloth having an average aperture diameter of 30 ?m or less. A filter material made of an unwoven cloth having a maximum aperture diameter of 100 ?m or less is disposed outside of the filter material made of the unwoven cloth having the average aperture diameter of 30 ?m or less.

Abstract: A novel composite of glass fiber paper and reinforcing material that is useful for high speed manufacturing of devices comprising it is disclosed. The composite is formed by pressing into a glass fiber paper, having multimodal (at least bi-modal) composition, a hydrophilic reinforcing material. The composite has anisotropic separation properties that are particularly useful for preparing a fluid fraction from whole blood. The preferred glass fiber paper comprises glass fibers such that there are a plurality of short fibers (6) having large diameters and long fibers (2) with smaller diameters. The preferred glass fiber paper also exhibits partial ordering. There are many more of the long fibers (2) with smaller diameters than of the short fibers (6) having large diameters. Also disclosed are several blood separator device designs for efficiently separating the fluid fraction of blood from whole blood using the composite.

Abstract: A carbon membrane laminated body includes: a porous substrate, a first porous carbon membrane as a carbon membrane underlayer disposed on a surface of the porous substrate, and a second porous carbon membrane as a carbon membrane separation layer disposed on a surface of the carbon membrane underlayer, having a smaller film thickness, and a smaller average pore diameter, compared with those of the carbon membrane underlayer. It is preferable to form the carbon membrane underlayer and the carbon membrane separation layer by carbonizing a carbon membrane underlayer precursor disposed on a surface of the porous substrate and the carbon membrane separation layer precursor disposed on a surface of the carbon membrane underlayer precursor at 400 to 1000° C. in a non-oxidation atmosphere. The carbon membrane laminated body is a separation membrane excellent in both separation performance and flux when it is used as a separation membrane of a mixture.

Abstract: The present invention relates to a filter unit for cleaning fluids, filter systems comprised of a plurality of said filter units, and the use of the filter unit or of the filter systems for filtering sludge and floating algae from water, or for purifying gases.

Abstract: A drain basin insert having a housing, with the housing having a sidewall having a top edge and a bottom edge, and with the housing having a perforated base member secured to the sidewall at the lower edge of the sidewall, and with the housing having an outwardly extending flange at the top edge of the sidewall. The insert also includes a secondary filter means having a permeable container having hydrophobic filter media therein. The insert also has a perforated, rigid structural member having a bottom wall and a raised portion, with the raised portion attached to the bottom wall and extending upwardly therefrom. The insert also has a primary filter means having an outer sidewall, a bottom surface, and a central portion, with the bottom surface contacting the bottom wall of the perforated structural member, and with the central portion contacting the raised portion of the perforated structural member.

Abstract: An elongate mesh pack for filtering a fluid defines a mesh pack axial opening. The mesh pack comprises a filter medium for filtration of the fluid and has an end fitting securely fixed to the filter medium, the end fitting providing a first extremity of the mesh pack. The end fitting has an inner surface defining an end fitting opening through the end fitting, the end fitting opening being co-axial with the axial opening of the mesh pack. The end fitting comprises an annular recess encompassing the end fitting opening. A partition wall suitable to deform towards the recess under radial force is provided between the recess and the end fitting opening, the partition wall forming at least part of the inner surface.

Abstract: The invention relates to a filter, comprising a filter medium (10), which during operation is used to clean fluid, particularly in the form of hydraulic fluid, wherein the filter medium (10) is made of a material the potential difference to the fluid to be cleaned is low. The invention further relates to filter solutions, wherein parts of the filter medium (10) have different potentials with respect to each other and/or the fluid to be cleaned such that they cancel each other at least partially, or wherein specific dissipation is aspired, or wherein a return of electric charge to the associated filter medium (10) is provided, using a charge equalization situation.

Abstract: The present invention is a reclamation unit (1) for a liquid comprising a housing (4) with a detachable upper (2) and lower (3) part in which the lower part (3) is connected with a base part (13). The lower part (3) comprises at least one heating unit (17) and inlets (14) and outlets (15,34). The upper part (2) encloses at least one filter unit (8). The lower part (3) and the base part (13) form an evaporation chamber (27), wherein the connection between the lower part (3) and the base part (13) includes a separator plate (19) which guides the liquid from the filter unit (8) onto side walls (37) of the evaporator chamber (27). The heating unit (17) protrudes into the evaporator chamber (27) with no conductive contact to the side walls (37).

Abstract: A method for removing contaminants from a fluid-material comprising: providing at least one substrate comprising a three-dimensional knit in an initial configuration made of knitted polymeric fiber which substantially resumes the initial configuration after it is released from stretching or compressing force; and submerging said at least one substrate in a fluidic material for treatment of the fluidic material.

Abstract: A suction filter may comprise a filtration member and a connection member. The filtration member has an inner space. The connection member is configured to communicate the inner space of the filtration member and a fuel intake port of a fuel pump. The filtration member may have a tubular shape so that the filtration member surrounds a circumference of the fuel pump when the suction filter is connected to the fuel intake port of the fuel pump.

Abstract: A sludge filter is comprised of a mesh filter media secured to a support net. The support net includes a front surface adjacent the filter media and a rear surface opposite the filter media, the rear surface having a plurality of outwardly extending nodes to define flow channels for horizontal and vertical fluid flow intermediate the net and a container surface. The sludge filter is attached directly to the walls or floor of a container. In a preferred embodiment a border of the sludge filter comprises one part of a two-part fastener system with a second part of the two-part fastener system attached to a container along the perimeter of the filter coverage area, so that the filter medium may be removably attached to the container.

Abstract: A refuse/oil removing device and a refuse/oil recovery bag are provided which can remove refuse and oil contained in drainage discharged from a restaurant in a simple manner without contact with the refuse and oil. A support base of a support unit is disposed in the interior of a grease trap at a position higher than the water level. A recovery bag is attached to the support unit and plural layers of bag portions of the recovery bag are put on the support base. The bag portions are each formed of a material which permits the adhesion of oil thereto and a large number of water passing holes are formed in each of the bag portions. Drainage is introduced inside the innermost one of the plural layers of bag portions and is passed through the bag portions, allowing refuse and oil to adhere to the bag portions. In this way, the job of replacing the recovery bag can be simplified and the amount of oil accumulated within the grease trap can be decreased.

Abstract: A method and apparatus for filtering a slurry utilizing a displacement filtering principle. The filter apparatus desirably includes an inner filter and an outer filter. Both the inner and outer filters are preferably substantially annular in shape and positioned concentrically with respect to each other. A particulate collection volume is at least partially defined between the inner and outer filter. The method includes directing a flow of slurry into the particulate collection volume under sufficient pressure to force fluid within the particulate collection volume through one of the inner and outer filters and any particulate matter blocking a filtering surface of the inner and outer filters.

Abstract: A filter paper insert for a filtration extract includes side walls surrounding an inside space that can be filled with the filtration extract. The side walls are comprised of at least two filter material layers.

Abstract: The present invention relates to applications of TiO2-containing, macro-sized nanostructures in the fields including photocatalysis, information writing-erasing-rewriting, microfiltration, controlled drug release, and tire making. In one aspect, the present invention relates to a method of photocatalytically decomposing organic pollutants. In one embodiment, the method includes the steps of mixing a solution containing organic pollutants and a plurality of TiO2-containing, macro-sized nanostructures to form a mixture and exposing the mixture to UV irradiation to decompose the organic pollutants.

Abstract: An object of the present invention is to provide a composite porous membrane, which has not only excellent filtration capacity, but also excellent adhesion between a porous membrane and a braid and mechanical properties, and a method for producing the composite porous membrane. The present invention relates to a composite porous membrane comprising a braid, and a membrane material; wherein the membrane material comprises a first porous layer comprising a dense layer which is arranged on the outer surface of the braid, and a second porous layer comprising a dense layer which is arranged on the first porous layer, and a method for producing the composite porous membrane.

Abstract: [Purpose] A purpose of this invention is to provide a robust and flexible free-standing ultrathin (nano) or thin pure protein membrane which enables a rapid and simple separation (or condensation) of relatively small (M.W.=ca. 1,000 Da) molecules. [Summary] A flexible free-standing ultrathin (nano) or thin protein membrane can be fabricated by a method comprising following steps: (1) A dilute metal (Cd, Cu or Zn) nitrate or chloride solution is kept under neutral or weak basic pH to spontaneously form metal (Cd, Cu or Zn) hydroxide nanostrands; (2) The above metal (Cd, Cu or Zn) hydroxide nanostrands and protein solution are mixed to obtain composite nanofibers made of protein and the said metal hydroxide nanostrands; (3) The obtained dispersion of composite nanofibers is filtered on a filter. (4) Proteins contained in the composite nanofibers are cross-linked by bifunctional cross-linkers; and (5) Metal (Cd, Cu or Zn) hydroxide nanostrands are removed from them.

Abstract: Fluid treatment arrangements having at least first and second radially displaced sets (12,13) of fluid treatment elements and methods for making and using them are disclosed: A ribbon including a permeable fluid treatment medium may be spirally wound in a plurality of windings to form a fluid treatment element of either set. At least two and as many as fifty or more fluid treatment elements (14?, 14?) may be positioned along a hollow core assembly (11) in each set. Fluid may be directed to or from the interior of the core assembly through a fluid treatment element of the first set and a fluid treatment element of the second set. In each fluid treatment element, fluid flows generally edgewise through the permeable fluid treatment medium.

Abstract: According to one aspect of the present invention, a dual stage filtration apparatus includes a cartridge having a first end and an opposing second end and a first filtration stage including a first bundle of first semi-permeable filtering elements and a second filtration stage including a second bundle of second semi-permeable filtering elements. The cartridge has a fluid inlet port for receiving raw unfiltered fluid into the first filtration stage and a fluid outlet port for discharging purified fluid after it has passed through the first and second filtration stages. The apparatus has an intrastage space that receives fluid that has been filtered in the first filtration stage prior to being filtered again in the second filtration stage, and the fluid inlet port is in fluid communication only with the first filtration stage, while the fluid outlet port is in fluid communication only with the second filtration stage.

Abstract: A first filter basket (20) sits down into a catch basin (10) and has an upper flange (24) that rests on a shoulder (14) provided in the catch basin (10) for supporting a grate (16). The filter basket (20) has expanded metal side and bottom walls which are adapted to pass liquid and catch particulate material larger in size than the wall openings. A geo-textile liner (42) is optionally positioned inside of the filter basket (20). The liner (42) is supported on a lower rim flange (26). Posts (40) on the rim flange (26) extend upwardly through openings (66) in marginal portions of the liner (42). A smaller second filter basket (72) is optionally supported inside the larger first filter basket (20). An absorbent pillow (90) may be positioned between the bottoms of the two filter baskets (20, 72) to catch and absorb oils and greases that are in the liquid that enters the catch basin (10).

Abstract: A support for a separation membrane includes a long-fiber nonwoven fabric composed of thermoplastic continuous filaments.

Abstract: The assemblies of the invention can comprise a fine fiber layer having dispersed within the fine fiber layer an active particulate material. Fluid that flows through the assemblies of the invention can have any material dispersed or dissolved in the fluid react with, be absorbed by, or adsorbed onto, the active particulate within the nanofiber layer. The structures of the invention can act simply as reactive, absorptive, or adsorptive layers with no filtration properties, or the structures of the invention can be assembled into filters that can filter particulate from a mobile fluid while simultaneously reacting, absorbing, or adsorbing materials from the mobile fluid.

Abstract: An integral structure including woven wire cloth or non-woven metal filter medium for use as a drainage layer or filter layer in a well screen assembly is provided. A plurality of elongated members are welded on the woven metal cloth or non-woven metal filter medium to provide reduced resistance to flow parallel to a layer of the woven cloth. Segments of the woven or non-woven metal materials having elongated members joined thereto may be rolled into a cylinder to form a part of a well screen assembly.

Abstract: A filter unit for use in a casing disposed in a septic tank comprising a plurality of stacked filter plates. The individual filter plate is preferably substantially “D” shaped in circumference and has a substantially cone-shaped floor, tapering upward. The filter plates are preferably stacked in a superposed, spaced-apart manner with a particular diameter in relationship to the inner diameter of the case. The filter plates are preferably inserted into the filter case to define a seal horizontally around the bottom opening in the case, thereby allowing wastewater to enter into the filter plates to begin the filtering process. Solids preferably flow upward into the filter plates, where they are separated by size with a predetermined gap in the stacked filter plates.

Abstract: The present invention is directed to a method for filtering fluid, preferably effluent fluid in a septic system, by providing a staged, filtering array in an effluent flow path, the stages positioned in an orientation designed to maximize filtering capability in conjunction with predetermined aperture positions and dimensions.

Abstract: A rotary drum filter has a plurality of longitudinally extending division grids mounted about the outer circumference of a drum. A plurality of corrugated sheets are provided, with the leading and trailing edges of each sheet mounted to circumferentially adjacent pairs of division grids to define filtrate compartments. An equivalent number of perforated filter plates are also provided. Each filter plate is attached to the top of a corrugated sheet and has a leading edge and a trailing edge that are set back from the leading edge and trailing edge of the corrugated sheet. A seal clip is positioned near the leading edge of each corrugated sheet. A seal member or seal members is/are held in place by the seal clip and is/are positioned at the face of the leading edge of each corrugated sheet or beneath and near the face or each corrugated sheet.

Abstract: This disclosure relates to a filter including a plurality of spheres close-packed to form a thin layer.

Abstract: Disclosed is coalescing media for coalescing a mixture of two phases, namely a continuous phase and a dispersed liquid phase. The media includes polymeric base material having a surface with asperities, and the surface is heterogenous with respect to hydrophilicity/hydrophobicity. The media is configured for coalescing a dispersed liquid phase in a continuous phase where a preponderance of the heterogeneous surface is non-wetting with respect to the dispersed liquid phase. The media is configured for capturing droplets of the dispersed liquid phase where a layer of air is trapped at the heterogeneous surface and tips of the asperities extend through the trapped layer and contact the droplets.

Abstract: A fluorine resin polymer separation membrane and a manufacturing method of the same, which are excellent in a virus-eliminating property, further excellent in water permeability, chemical strength (chemical resistance), physical strength, and an antifouling property, and particularly suitable for practicable use as a filtration membrane for the elimination of viruses, are provided. A fluorine resin polymer separation membrane includes a layer having a three-dimensional network structure and a layer having a spherical structure, in which the layer having a three-dimensional network structure does not substantially contain micro-voids having a void diameter of 5 ?m or more, and the fluorine resin polymer separation membrane has filtration performance represented by the elimination rate of 80% or more of dextran having molecular weight of 75,000. The layer having a three-dimensional network structure is formed by the solidification with a polymer solution containing a fluorine resin polymer and cellulose ester.

Abstract: A flexible blood filter allowing smooth flow of a liquid and being excellent in separation resistance, pressure resistance and centrifugation resistance. The blood processing filter, includes a first filter element for removing aggregates from blood, a second filter element for removing leukocytes provided in the downstream of the first filter element, and a third filter element having gas permeability of 3 to 40 cc/cm2/sec per thickness of 1 cm provided between the second filter element and the outlet port. The filter contains a seal zone at a peripheral section which contains five layers including a layer of molten material and layers of molten material mixed with filter element material.

Abstract: An aquarium filter cartridge including activated carbon or the like and a housing wherein the water traces an S-shaped path is disclosed. In the S-shaped path the water flows horizontally through a floss type filter, downward to the bottom of the housing, horizontally into the bottom of the carbon cartridge, up through the carbon filter, and out the top or upper side of the housing back into the aquarium.