Abstract: A method of manufacturing a proton conducting fuel cell composite membrane includes the step of electrospinning a non-charged polymeric material, such as PVDF and PSF, into fiber mats. The fibers are fused to one another to provide a welded porous mat. The welded porous mat is filled with proton conducting electrolyte, such as PFSA polymer, to generate a proton conducting composite membrane. The resulting proton conducting fuel cell membrane comprises a randomly oriented, three dimensional interlinked fiber lattice structure filled with proton conducting electrolyte, such as PFSA polymer.

Abstract: A device for removing carbon dioxide from the air has a reaction chamber having closed sidewalls and a removable end wall. There is a removable adsorber unit disposed in the reaction chamber that comprises an adsorbent mixture containing soda lime mixed with activated charcoal, and an air-permeable outer covering surrounding the adsorbent mixture. A louvered bed is disposed above the adsorber unit in the reaction chamber. The louvered bed has openings between angled louvers for directing air above the louvered bed into the removable adsorber unit. Air flowing into the reaction chamber is directed toward the adsorber unit by the louvered bed, so that the air flows between the louvers, through the openings and into the adsorber unit where the carbon dioxide in the air is adsorbed and removed from the atmosphere.

Abstract: A headrest including: a trim cover element formed in a three-dimensional bag-like configuration, a fiber assembly; and a foam padding. The fiber assembly and foam padding are both provided within the trim cover element in such a manner that the fiber assembly is secured to and positioned on a front surface side of the trim cover element, whereas the foam padding is positioned on a rear surface side of the fiber assembly. The foam padding has been created by a foaming process so as to be integral with the trim cover element and fiber assembly.

Abstract: An alternative-fuel gas orifice, a gas furnace configured to employ the same and a method of designing a gas orifice. In one embodiment, the gas orifice includes: (1) a body having an aperture extending therethrough and including: (1a) a metering neck having a cross-sectional area such that a given flow rate of a gas is established when the gas is delivered to the gas orifice at a given alternative-fuel delivery pressure and (1b) a diffuser having a cross-sectional area larger than the cross-sectional area of the metering neck and a length such that the gas achieves a substantially laminar flow before exiting the diffuser.

Abstract: A gas-permeable filter provided with oil repellency is provided. The gas-permeable filter includes a porous membrane having a surface coated with an oil-repellent agent. The oil-repellent agent includes a linear fluorine-containing hydrocarbon group represented by —R1C5F10CH2C4F9 or —R2C6F13, and the porous membrane is a stretched polytetrafluoroethylene (PTFE) porous membrane. Here, R1 and R2 are each independently an alkylene group having 1 to 12 carbon atoms or a phenylene group. The gas-permeable filter is provided with oil repellency without significant reduction in gas permeability.

Abstract: A cyclonic portable vacuum cleaner/dust collector has a cyclonic chamber and a filter chamber. The filter chamber contains a filter cartridge with a hollow core positioned over the discharge opening of a motor plate that closes the filter chamber. A vacuum blower is mounted on the motor plate, with an intake tube at the discharge opening of the motor plate. An anti-deflagration screen mounted upon the discharge opening of the cover plate of the filter chamber. The anti-deflagration screen is in the form of a metal mesh creating a multiplicity of small passages to permit exhaust air flow from the filter chamber but blocking any flame front. The screen may be hemispherically domed.

Abstract: In a method for manufacturing a filter element for filtration of a fluid, a filter medium web is treated along at least one treatment line and the filter medium web is cut along at least one cutting line that is adjacent to the at least one treatment line. An apparatus for performing the method has a combination of at least one treatment device and at least one cutting device. The at least one treatment device has at least one treatment element that treats a filter medium web along at least one treatment line. The at least one cutting device has at least one cutting element that cuts the filter medium web along at least one cutting line. The at least one treatment element and the at least one cutting element, viewed in a movement direction of the filter medium web relative to the apparatus, are arranged staggered relative to each other.

Abstract: The invention relates to a robot transmission (1) for a multi-axis robot, in particular for a painting robot or a hand-held robot of a painting system for painting motor vehicle body components. Said transmission comprises a transmission housing (6) which is filled, when in operation, at least partially with a lubricant according to an operationally-dependent lubricant pressure, in order to lubricate the robot transmission (1), and has a construction-defined maximum pressure for the lubrication pressure. The transmission housing (6) is not air-tight if the lubrication pressure in the transmission housing (6) exceeds the maximum pressure. According to the invention, the robot transmission also comprises a pressure compensation device (7) which compensates the pressure in the transmission housing (6) and thus prevents the lubrication pressure in the transmission housing (6) from exceeding the maximum pressure.

Abstract: This invention is directed to a filter media for manufacturing pleated filters comprising a non-woven, needle punch felt including a blend of a first polyester fiber and a bi-component fiber wherein said bi-component fiber has a sheath and a core wherein said sheath has a melting point above 110° C. and said nonwoven felt has an efficiency of greater than 89% for particles size of 3 to 10 ?m as determined by testing method ASHRAE 52.2. The invention can include a top portion and a bottom portion manufactured from a web made from a carding process that is cross lapped, cut and overlapped so that said top portion and said bottom portion are entangled by a needle punching process to create a homogeneous arrangement prior to applying heat and pressure to stiffen the media for pleating.

Abstract: A bumper for protecting a contact point of a surface from engagement with an object and a method of fabricating the same are provided. The bumper includes a shell having first and second ends, an outer surface, and an inner surface defining a passageway through the shell between the first and second ends. A resilient material is positioned in the passageway and extends between the first end and the second end of the shell.

Abstract: The present invention provides a laminiferous nonwoven fabric with a high woodpulp content suitable for use in wipes, absorbent articles and other applications, and a method of making the same. The laminiferous nonwoven comprises 3 layers bonded together, where the outer layers are lightweight meltspun webs and the middle layer comprises mainly woodpulp fibers. Each of the first (3), second (2) and third (4) nonwoven layer are preferably first formed separately and individually to be self-supported webs, whereafter the three self-supported webs are brought together essentially immediately before bonding them together. When used as a substrate for wet wipes, the inventive fabric exhibits a combination of several useful properties; good wet and dry softness and bulk, good wet abrasion resistance and low wet linting propensity, and where the majority raw material is woodpulp.

Abstract: A filter element includes: a filter member formed of a non-woven fabric formed by laminating a plurality of non-woven fabric layers and folding the thus formed non-woven fabric in form of pleat having a predetermined size along a width direction of the filter member; a holder frame formed of a soft material and disposed along an outer peripheral edge of the filter member, the holder frame being constituted by first and second frame members; and a reinforcing member having one end connected to the first frame member disposed along the width direction of the holder frame and having another end formed as a free end free from connection. The reinforcing member extends so as to intersect the width direction of the filter member.

Abstract: A filter includes a filter cloth having a corrugated form, a retainer disposed inside the filter cloth, a support groove formed at each corrugated inside bent portion abutting on the retainer in a longitudinal direction of a filter film, and a reinforcement member inserted into the support groove.

Abstract: A disk drive includes a disk drive base, a rotating spindle attached to the disk drive base, and a disk mounted on the rotating spindle. A disk drive cover is attached to the disk drive base to enclose the disk in a disk drive enclosure. A filter within the disk drive enclosure includes first and second nanoporous adsorbent materials, each being either a metal organic framework material or a covalent organic framework material. The first nanoporous adsorbent material is fluorinated, and the second nanoporous adsorbent material is not fluorinated.

Abstract: Filter media including a microperforated film with tapered microperforations, and a nonwoven web positioned upstream of the microperforated film. Framed air filters incorporating such filter media, and methods of using such filter media.

Abstract: An air filter for a ventilation system of a motor vehicle has a filter frame and a filter medium fastened in and surrounded by the filter frame. The air filter can be inserted along its two-dimensional extent into a receiving slot and is sealed, at least along the inserted regions of the filter frame, between the filter frame and walls of the insertion slot. To allow the filter to be installed in the ventilation system in as force-free and simple a manner as possible, the filter frame has, in the end side facing the insertion direction, at least one guide slot which is oriented in the insertion direction.

Abstract: An air treatment system and method that uses inertial moisture separators in two stages for removing moisture present in intake air entering the air treatment system, thereby increasing the effectiveness and lifespan of high efficiency filters that otherwise may become clogged by accumulating moisture.

Abstract: A filter medium includes a porous film and a support material supporting the porous film. The porous film includes polytetrafluoroethylene, has an average pore diameter of at least 2.5 ?m, and has a porosity of at least 95%. A pressure loss is less than 100 Pa when air is passed through the filter medium at a velocity of 5.3 cm/sec. A collection efficiency of NaCl particles is at least 95% when air including NaCl particles with a particle diameter of 0.3 ?m is passed through the filter medium at a velocity of 5.3 cm/sec. A PF value is at least 30, where PF={?log [(100?collection efficiency (%))/100]/pressure loss (Pa)}×1000. A dust holding capacity of polyalphaolefin particles held in the filter medium is at least 15 g/m2 when air including polyalphaolefin particles with a count median diameter of 0.25 ?m is continuously passed through the filter medium at a velocity of 5.3 cm/sec and pressure loss reaches 300 Pa.

Abstract: A filter for a fluid-conducting pipe, in particular for a gas-conducting pipe of an internal combustion engine. The filter includes a self-supporting areal filter element and is fixable along a circumference 2 directly or indirectly in the pipe and, in so doing, covers a free cross section of the pipe. Here, the circumference 2 of the filter element 1 circumscribes a central filter plane 4. Furthermore, the filter element 1 or at least one layer thereof is comprised of a plastically deformable material and is provided with at least one undulation 5 or bead 13, which does not intersect the circumference 2, in such a way that the filter element 1 intersects the filter plane 4, or a plane 4a parallel thereto, at least four times within the circumference 2.

Abstract: The present application provides a filtration unit for filtering a flow. The filtration unit may include one or more first layers and a second layer. The one or more first layers may include a prefilter layer and a wave layer.

Abstract: This invention is directed to a filter media for manufacturing pleated filters comprising a non-woven, needle punch felt including a blend of a first polyester fiber and a bi-component fiber wherein said bi-component fiber has a sheath and a core wherein said sheath has a melting point above 110° C. and said nonwoven felt has an efficiency of greater than 89% for particles size of 3 to 10 ?m as determined by testing method ASHRAE 52.2. The invention can include a top portion and a bottom portion manufactured from a web made from a carding process that is cross lapped, cut and overlapped so that said top portion and said bottom portion are entangled by a needle punching process to create a homogeneous arrangement prior to applying heat and pressure to stiffen the media for pleating.

Abstract: Filter media including a microperforated film with tapered microperforations, and a nonwoven web positioned upstream of the microperforated film. Framed air filters incorporating such filter media, and methods of using such filter media.

Abstract: A fiber that has a unique surface topography in that it contains a plurality of nanohairs extending outwardly from an external surface of an elongate structure of the fiber is provided. To form the nanohairs, a polymer composition is spun that includes organofunctional nanoparticles (e.g., polyhedral organofunctional silsesquioxanes) embedded within a matrix of a base polymer. Despite being initially embedded within the polymer, the present inventors have discovered that, through selective control over the nature and relative concentration of the components of the composition, as well as the method in which the fiber is formed, a substantial portion of the nanoparticles can migrate to the surface of the fiber as it is formed and thus become arranged in the form of nanohairs.

Abstract: An air filter for a combustion engine for off-load motorcycles is made from a porous foam material. The air filter has contiguous side surface forming a cavity with at least two openings where the side surface contains at least one filter layer, a bottom surface closing at least one of the two openings where the bottom surface contains at least one filter layer, where the side surface has more air resistant than the bottom surface. The side surface has more air resistant than said bottom surface by arranging any combination of thickness of the surfaces, number of layers, and porosity ratio of the layers.

Abstract: The invention relates to a filter module (1) for removing air-polluting materials from machine exhaust, comprising a filter housing (2) with an intake opening (5) and an outlet opening (6) for channeling machine exhaust through, at least one mounting element (24) for mounting the filter module (1) on a machine, and a filter assembly (7), arranged in the filter housing (2) and comprised of at least two filter groups (8), arranged in tandem in the direction of flow (3) and comprised of rod-shaped filter elements (10) with a filter medium (20), said elements being arranged parallel to one another at a constant center-to-center distance (9) and with their longitudinal axis largely crosswise to the direction of flow (3), wherein the filter elements (10) of two adjacent filter groups (8) are parallel to one another, and are arranged offset in relation to one another, crosswise to their longitudinal axes and to the direction of flow (3).

Abstract: Filter media, as well as related assemblies, systems and methods. Filter media may contain one or more layers formed of a meltblown material.

Abstract: The Invention relates to a vacuum cleaner filter bag comprising a bag wall, wherein the bag wall comprises precisely one nonwoven layer in the form of a melt-spur microfibrous nonwoven layer.

Abstract: An air filter replacement system for existing buildings, vehicles, arenas, and other enclosed airspaces includes a replacement air filter for replacing a standard air filter. The replacement air filter has dimensions and air flow specifications that allow it to replace the standard air filter. The replacement air filter includes a filter material that removes radiological or biological or aerosol particles.

Abstract: A filter cartridge, a safety element and fluid cleaner assembly are described. The fluid cleaner assembly generally includes a housing having a cover and a primary fluid cleaner section. The filter cartridge generally comprises z-filter media, arranged in a straight through configuration. Preferred cartridges include a seal gasket positioned to extend continuously around at outer perimeter of the straight through flow construction. The fluid cleaner assembly can have a precleaner positioned therein. Preferred features are described. Methods of assembly and use are also provided.

Abstract: The invention relates to a filter element (10) having a filter body (20 and a substantially axially sealing element (100) which is disposed at a peripheral surface (22) of the filter body (20), in particular foamed to the peripheral surface (22), wherein the sealing element (100) features a first sealing surface (102) and a second sealing surface (104) which are oppositely positioned to each other in axial direction with an axial gap (30). wherein the sealing element (100) features between the sealing surfaces (102, 104) at its circumference a contour (110) at which a contour segment (112, 114) each joins the sealing surface (102, 104) in an obtuse angle and the two contour segments (112, 114) abut at a joint (116). The invention relates furthermore to a filter system (200) with a replaceable filter element (10).

Abstract: The composite microporour filter material comprises a base-cloth layer, an upper adhesion layer attached to a top side of the base-cloth layer, and a lower adhesion layer attached to a bottom side of the base-cloth layer. The base-cloth layer is made of either polymide yarn base-cloth, polysulfoneamide yarn base-cloth, or polytetrafluoroethylene filament base-cloth. The upper adhesion layer is made of a mixture of polysulfoneamide short-staple and polymide short-staple; the lower adhesion layer is made of a pure polysulfoneamide short-staple. The upper adhesion layer and the lower adhesion layer are attached to two sides of the base-cloth layer by entangling which is adopted by needle punching, spunlacing or a combination thereof. The present filter material is temperature-resistant and corrosion-resistant and has features of a low manufacturing cost and the high filter precision.

Abstract: The present invention provides regenerable pleated media and filter elements and combinations thereof for use in a clean room environment for removal of airborne molecular contamination. Disclosed is a pleated filter media for a clean room environment wherein the pleated filter media comprises at least an adsorbent first layer of activated carbon or polymer wherein said activated carbon or polymer together with fibers and/or an adhesion agent is enclosed between two second layers of non woven with a grid positioned on at least one side of either of the second layers or incorporated in the first layer for preventing deformation of the pleated filter media when regenerated by a heated air flow above 100° C. at 1 atm.

Abstract: A removable prefilter wrap having multiple layers is disclosed. The prefilter wrap may be configured to be placed around the outer circumference of a filter canister. The prefilter wrap has multiple layers for filtering water, oil(s), and/or other contaminants from an airflow.

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. The filter media has desirable properties including high dirt holding capacity with low basis weight and a low resistance to fluid flow. The media may be incorporated into a variety of filter element products including hydraulic filters.

Abstract: Present invention provides an air filter material using a laminated electret nonwoven fabric subjected to electret processing in which one layer or a plurality of layers of nonwoven fabrics (referred to as nonwoven fabric B) including fibers having a mean fiber diameter in the range of 10 micrometers to 100 micrometers and being larger than a mean fiber diameter of fibers constituting nonwoven fabric A are laminated on at least one side of a nonwoven fabric (referred to as nonwoven fabric A) obtained by mixing two kinds of fibers having a mean fiber diameter in the range of 0.1 micrometer to 15 micrometers and having a different melting point (fibers having a lower melting point are defined as fibers D and fibers having a higher melting point are defined as fibers E), and a laminated electret filter material having a low pressure loss and a high collection efficiency. The filter material is suitably used for a medical mask, an industrial mask, a general purpose mask or the like.

Abstract: The invention relates to a filter material for cleaning air and gases, comprising a fiber layer (2) made of cellulose fibers bonded to each other in segments by pressing, thus compacting the cellulose fibers in the pressed areas (4).

Abstract: Multi-stage filtration apparatus is provided. A fluid is forced through different filter stage elements allowing for removal of various contaminants from the fluid.

Abstract: 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.

Abstract: A honeycomb filter includes a ceramic honeycomb substrate and an auxiliary filter layer. The ceramic honeycomb substrate includes a porous honeycomb fired body having cell walls provided along a longitudinal direction of the porous honeycomb fired body to define cells through which fluid is to pass and which have a fluid inlet end and a fluid outlet end opposite to the fluid inlet end along the longitudinal direction. The cells include first cells including an inlet opening end at the fluid inlet end and an outlet closed end at the fluid outlet end. The auxiliary filter layer is provided on a surface of first cell walls of the first cells and on a pore portion in the first cell walls, and includes a first layer and a second layer. In the first layer, particles having a first average particle diameter are deposited on the surface of the first cell walls.

Abstract: A process and system for ventilation of welding smoke including an air passage configured to receive smoke from a welding environment, wherein said air passage has an inlet and an outlet and said inlet is positioned adjacent to said welding environment. The system also includes a filter coupled to the air passage, wherein the filter comprises filter media that exhibits a burst strength of up to 20? w.g., an initial resistance in the range of 0.3? w.g. to 1.5? w.g., an air flow in the range of 1,000 cubic feet per minute to 2,500 cubic feet per minute and a removal efficiency of greater than 50% for particles having a diameter of 0.3 ?m to 10.0 ?m.

Abstract: Fibrous filter medium that includes a melt-blown filter layer comprising melt-blown fibers and a high-efficiency glass-containing filter layer comprising glass fibers.

Abstract: A wet-laid dual-layer air filtration media having a thin, lightweight top layer and a bottom layer is provided. The novel media includes a large diameter synthetic polymeric fiber in the top layer that deforms plastically and retains cohesion as a single object, while minimizing use of frangible components that become airborne upon handling. The novel media provides improved high dust holding capacity, while typically maintaining an overall lower basis weight than heretofore available media.

Abstract: A ceramic honeycomb structure suitable for particulate filters, having an inlet face and an outlet face, comprising a plurality of inlet cells and a plurality of outlet cells extending through the structure from the inlet face to the outlet face, the inlet cells being open at the inlet face and closed where adjoining the outlet face, and the outlet cells being open at the outlet face and closed where adjoining the inlet face. The inlet and/or outlet cells are quadrangular in cross-section and are arranged in an alternating pattern; the outlet cells may have a cross-sectional area generally smaller than that of inlet cells and no point of a given inlet cell is closer to an adjacent inlet cell than to an adjacent outlet cell. A process for preparing the ceramic honeycomb structure is also disclosed.

Abstract: A filter device (10) for an internal combustion engine includes a separator that is embodied as a cyclone preseparator (26), a main filter element (36) exchangeably arranged in a housing compartment (68) of the filter housing (12), and a secondary filter element (38. The housing compartment (68) includes insertion stays (64). The main filter element (36) is embodied in as a double bellows filter including a first radially inwardly positioned filter bellows (40) and a second radially outwardly positioned filter bellows (42) surrounding it. Upon closing of a servicing housing cover (18) a sealing force is generated that acts onto the main filter element (36) and is maintained in the closed state of the servicing cover (18).

Abstract: Various high performance, high efficiency filter media are provided that are cost effective and easy to manufacture. In particular, various filter media are provided having at least one layer with a waved configuration that results in an increased surface area, thereby enhancing various properties of the filter media. The filter media can be used to form a variety of filter elements for use in various applications.

Abstract: Filter media suitable for various applications and related components, systems, and methods associated therewith are described. The filter media may include a fiber web having a mixture comprising non-fibrillated synthetic fibers and fibrillated fibers, such as lyocell. The fiber web may also include multi-component fibers (e.g., bi-component fibers). In some embodiments, glass fibers are not incorporated into the fiber web.

Abstract: A filter assembly may include a housing, a filter element, and a layer of air-permeable material. The housing may include an inlet and an outlet. The filter element may be disposed within the housing and may include an upstream face, a downstream face, a first end face facing the inlet and extending between the upstream and downstream faces. The layer of air-permeable material may be attached to the filter element and may cover the upstream face and a portion of the first end face that is exposed to the inlet.

Abstract: A circular cylinder air filter includes an inner cylindrical frame, an outer cylindrical frame, a circular disc, a bonding base and a non-woven fabric cover. The outer cylindrical frame is coaxially arranged around the inner cylindrical frame. The circular disc is fastened to a first end of the inner cylindrical frame and the outer cylindrical frame. The bonding base is fastened to an opposite second end of the inner cylindrical frame and the outer cylindrical frame. A first opening of the bonding base communicates with a first hollow region between the inner cylindrical frame and the outer cylindrical frame. A second opening of the bonding base communicates with a second hollow region within the inner cylindrical frame. The air filter medium is filled into the first hollow region through the first opening. The fabric cover encloses the outer cylindrical frame, circular disc and bonding base to expose the second opening.

Abstract: An air and moisture separator for use with a waste tank and a vacuum source has a canister securable to the waste tank and having an inlet couplable to the waste tank and an outlet couplable to the vacuum source. An air flow path extends through the canister and through at least three different stages of air and moisture separation, including: a first air-turning stage coupled to the inlet; and a second stage of mesh or foam coupled to and subsequent to the first air-turning stage in the air flow path. An annular mesh or foam of greater density defines a third stage subsequent to the second stage, and circumscribes at least a majority of a circumferential perimeter of the mesh or foam of the second stage.

Abstract: An oil coalescing filter may be used in an oil separator tank with an industrial sized compressor/vacuum package, like a rotary screw compressor/vacuum or a liquid ring compressor/vacuum. The oil coalescing filter has filter media including: a first fiber media adapted for continuously removing oil; and a second fiber media adapted for final oil coalescing; the first fiber media having a greater basis weight than said second fiber media.