Abstract: A honeycomb structured body of the present invention is a honeycomb structured body in which a plurality of porous ceramic members are combined with one another through an adhesive layer, each of the porous ceramic members having a plurality of cells which are allowed to penetrate in a longitudinal direction with a wall portion therebetween and either one end of which is sealed, with a catalyst supporting layer being adhered to the wall portion, wherein, supposing that the rate of the pore volume of pores having a pore diameter of 10 ?m or less to the entire pore volume of the porous ceramic member is X1 (%), the porosity is Y1 (%) and the weight of the catalyst supporting layer is Z1 (g/l), these X1, Y1 and Z1 are allowed to satisfy the following expressions (1) and (2): X1?20?Z1/10??(1), and Y1?35+7Z1/40??(2) (where about 20?Z1?about 150).

Abstract: An emission reduction device which may be removably affixed to a diesel engine's exhaust system. The device comprises an outer casing which may be divided into a lower portion and an upper portion, the lower portion of which is removably attachable to the exhaust system of a diesel engine; a carcass for holding a bobbin wherein the carcass is attached to the lower portion of the outer casing at the point where the exhaust enters the outer casing and the carcass has a beveled opening in a diagonal line in its proximal part and a bobbin positioned in its distal part; one or more fibrous blanket cylinders; and a guide for arranging and securing the one or more fibrous blanket cylinders within the outer casing. The fibrous blanket cylinders may be wrapped in a wire mesh. In an alternative embodiment, a second fibrous blanket formed into a cone with the larger diameter of the cone positioned proximally may be removably inserted in the carcass.

Abstract: A filter system for an air cleaner is provided according to an embodiment of the invention. The filter system includes a filter frame adapted to fit within the air cleaner and a filter assembly configured to fit to the frame. The filter assembly includes a top aperture and one or more filter panels. A filter panel of the one or more filter panels includes one or more panel edges and one or more interlocking tabs formed on the one or more panel edges.

Abstract: A filter layer includes at least partially gas-permeable material having a plurality of segments joined to one another in such a way that the filter layer has non-parallel edges. Inexpensive manufacturing methods for such a filter layer, conical honeycomb bodies having the filter layer and particle-filtering exhaust gas purification apparatuses for motor vehicles, are also provided.

Abstract: A filtration device comprises a plurality of filtering units including a filtering medium. The filtering units are separated from each other by a ceramic mat or cloth coated with a ceramic glue, in order to secure the units to each other while keeping them mechanically and thermally independent. The units are then inserted into a structure, particularly a metallic or ceramic structure, and are secured thereto by a holder, also made of a ceramic mat or cloth coated with a ceramic glue.

Abstract: An indoor air purification system and method of same includes a case which removably attaches to an exhaust of cleaning equipment. An air purification chamber housed within the case includes an intake and exhaust wall and side walls, including a first side wall having an outside and inside surface. The intake and exhaust walls of the chamber are covered by aluminum metal mesh filters with a titanium dioxide coating. An ultraviolet-A blacklight blue is mounted to the inside surface of the first side wall of the chamber and includes an elongated u-shaped lamp for activating the titanium dioxide coating. An ultraviolet-C germicidal light for ultraviolet germicidal irradiation is mounted above the ultraviolet-A blacklight blue within the chamber and includes an elongated u-shaped lamp. A solid state high frequency electronic ballast powers and activates the lamps and converts voltage.

Abstract: A unified pleated filter arrangement including a unified method and product wherein successive pleat flanks are spaced by communicably facing increments of spacing material with the pleat flanks being a selectively spaced and uniformly level geometric configuration.

Abstract: An in-line filter assembly includes an inlet duct housing, an intermediate housing, and an outlet duct housing, and seals a filter element in the intermediate housing and facilitates removal and replacement thereof.

Abstract: A filtration device including a filtration medium having a plurality of nanofibers of diameters less than 1 micron formed into a fiber mat in the presence of an abruptly varying electric field. The filtration device includes a support attached to the filtration medium and having openings for fluid flow therethrough. A device for making a filter material. The device includes an electrospinning element configured to electrospin a plurality of fibers from a tip of the electrospinning element, a collector opposed to the electrospinning element configured to collect electrospun fibers on a surface of the collector, and an electric field modulation device configured to abruptly vary an electric field at the collector at least once during electrospinning of the fibers. A method for making a filter material.

Abstract: Jointing cement intended in particular for fastening together a plurality of filter blocks of a filtering body for filtering exhaust gas particles of an internal combustion engine of a motor vehicle, the cement including, in percentages by weight relative to the weight of the mineral material, apart from possible water and a possible mineral resin, between 30 and 90% of silicon carbide (SiC), at least 3% of hollow spheres including, in percentages by weight and for a total of at least 99%, between 20 and 99% of silica (SiO2) and between 1 and 80% of alumina (Al2O3), at least 80% by number of the hollow spheres having a size of between 5 and 150 ?m.

Abstract: A filter assembly for a vacuum cleaner including a filter cartridge a first substantially rigid pleated filter element having a plurality of pleats with pleated edge and a flexible pre-filter element positioned over the pleated edge of the filter cartridge. The pleats may be radial, longitudinal or conical with the pre-filter a disc, cylinder or frusto-conical in shape.

Abstract: A honeycomb structure is disclosed in which plural honeycomb units are adhered through the intermediary of an adhesive layer and in the honeycomb unit plural cells are juxtaposed to each other in the longitudinal direction thereof through the intermediary of a cell wall, characterized in that a ratio of a specific surface area of the honeycomb unit to that of the adhesive layer is approximately 1.0 or greater.

Abstract: An air filter for a combustion machine including a housing with a flow passage and a filter insert, wherein said filter insert subdivides the flow passage into an intake flow passage with an air inlet opening and into a discharge flow passage with an air outlet opening, wherein the filter insert has an air inlet surface which extends at least region-wise over the length of the filter insert along the air flow direction, wherein said filter insert has at least two successive filter elements, wherein the outside diameter or diameters of said filter elements, is or are different.

Abstract: A filter element (1) wound from a plurality of filter layers in which the circumferential contour (5, 5?) of a cross-sectional area (4) of the filter element (1) has at least one circumferential contour section (5?) undercutting the envelope contour (6, 6?) of the cross-sectional filter element area (4).

Abstract: A method of removing moisture from inlet air flowing to a gas turbine. The method comprises the steps of providing a housing for supporting a primary air filter. The housing is operably connected with the gas turbine. A hood connected with the housing is provided. The hood has a surface disposed at an acute angle relative to horizontal. Inlet air flow is directed into a preliminary filter supported above the hood and extending in a downward direction. The preliminary filter comprises media capable of separating moisture from the inlet air flowing through the preliminary filter at an exterior portion of the preliminary filter. Separated moisture agglomerates into a drop incapable of being carried by the flow of inlet air so the drop falls onto the hood to be directed out of the flow of inlet air.

Abstract: An electric vacuum cleaner includes a first dust separation device configured to separate sucked dust, a first dust collection section for collecting the separated dust, a second dust separation device configured to separate the dust, a dust removing device configured to remove the dust adhering to the second dust separation device, a second dust collection section for accumulating the removed dust, a partition wall for zoning the first dust collection section and the second dust collection section and an introduction opening for introducing the removed dust into the second dust collection section; the partition wall includes a communication opening for communicating the first dust collection section to the second dust collection section and an opening and closing member for closing either of the introduction opening or the communication opening and switching the closing to the other by rotating, and the opening and closing member closes the introduction opening with a negative pressure by an electric fan and

Abstract: A filter assembly for use in sidestream gas sampling assembly. The filter assembly of the present invention includes a hydrophilic member that is constructed from a porous material and is situated such that gas entering the filter assembly passes through at least a portion the hydrophilic member. In a further embodiment, the filter includes a hydrophobic member positioned downstream of the hydrophilic member. The hydrophobic member acts as a second line of defense against moisture reaching the sensing mechanism in the gas sampling assembly.

Abstract: A filter element includes a first, outer tubular construction of filter media defining a first open filter interior; a second, inner tuber construction of filter media defining a second open filter interior; the second construction of filter media being located within the first open filter interior and being radially spaced from the first construction of filter media; and the second open filter interior defines an unfiltered fluid channel. A plastic inner liner is within the first open filter interior to support the first construction of filter media. A plastic outer liner is within the first open filter interior to support the second construction of filter media. A filtered fluid channel is defined between the inner liner and the outer liner. A brace arrangement is between the first and second tubular constructions. The brace arrangement can include a spring, a plurality of gussets, or a solid spacer.

Abstract: A filter cassette rack and tracks wherein the rack is a three dimensional rectangular rack having at least two opposing open sides, sealing and non-sealing support tracks span the rack providing filter cassette guides and sealing means for a plurality of filter cassettes.

Abstract: A filter cassette having opposing rectangular side panels with at least one pair of filter media containers there between wherein each filter media container has a pair of opposing rectangular end plates and a pair of opposing rectangular media screens, each pair of containers are in a “V” configuration with adjacent end plates having a unitary configuration and at least one media fill aperture for each media container on a non-sealing side of the filter cassette, outermost end plates on a sealing side of the filter cassettes extend between corners of opposing side panels forming a substantially smooth sealing surface, and a fill cap is attached to each unitary pair of end plates having media fill apertures enclosing the media fill apertures.

Abstract: A spark suppression device includes a plurality of blades or vanes that are mounted transversely in a duct of an air handling/dust collection system communicating with a spark source. A controlled flow of air carries sparks from the spark source through the spark suppression device. Sparks are suppressed by turbulence created in the airstream from the blades that have a downstream curvature. The turbulence strips away a hot air bubble surrounding a spark ember, thereby effectively cooling the spark and significantly reducing combustion at the spark ember. Other attributes of the invention contributing to spark suppression include an overlapping arrangement of the blades that results in high-velocity impact of the sparks against the blades, thereby breaking up the spark embers into smaller embers, and creation of rapid increased pressure within the spark suppression device that also helps to strip away the spark ember from the surrounding hot air bubble.

Abstract: Air cleaner assemblies and components therefor are described. An example first or main filter cartridge is described which includes a media pack comprising strips of fluted material secured to facing sheets, oriented in a stack. The media pack defines opposite inlet and outlet flow faces, with flutes extending in a direction therebetween. The media pack is non-removably secured within a filter cartridge housing, at a location between opposite sections of a shell, typically secured thereto with an adhesive. The shell also defines a closed end, spaced from, but in overlap with, the outlet end face of the media pack. The closed end is typically curved and the shell typically provides either a d/b-shape or a u-shape. The filter includes an end member, with a outlet flow aperture arrangement therein, allowing for outlet flow from the filter cartridge in a general direction orthogonal to air flow through the media pack.

Abstract: A coalescing filter assembly having an upstream chamber, a downstream chamber, and a weephole connecting the upstream chamber to the downstream chamber. The downstream chamber includes a coalescing filter to filter a flow of gases. A passageway may be implemented between the upstream chamber and the downstream chamber to accommodate the flow of gases therethrough, while the weephole enables liquid to seep from the upstream chamber to the downstream chamber. In this manner, the weephole reduces liquid pooling in the upstream chamber without substantially compromising the efficiency or performance of the coalescing filter. A drain may connect to the downstream chamber to drain liquid collected therein.

Abstract: A modular filtration column for use with a ductless fumehood, the modular filtration column comprising: a plurality of cassettes having an identical footprint; at least one of the cassettes being configured to move air through the modular filtration column; at least one of the cassettes being configured to filter air moving through the modular filtration column; and at least one seal mechanism for providing an air-tight seal between adjacent cassettes, wherein the at least one seal mechanism is configured to form an air-tight seal devoid of any external compressive force.

Abstract: A ceramic honeycomb filter comprising pluralities of ceramic honeycomb structures each having large numbers of flow paths partitioned by cell walls, which are bonded in the direction of the flow paths, predetermined flow paths being sealed by plugs, plugs formed at one end of at least one honeycomb structure being bonded to at least part of plugs formed at one end of a honeycomb structure adjacent to the end of this honeycomb structure.

Abstract: Embodiments of the present invention provide low-profile surface mount filters. One embodiment of the present invention includes a filter housing adapted to mount on a substrate block having a plurality of flow paths and a filter cavity defined therein. The filter cavity is defined to extend in a generally horizontal direction when the low-profile filter is in use. A first flow passage is defined to connect an inlet of the filter housing to a first section of the filter cavity and a second flow passage is defined to connect a second section of the filter cavity to an outlet of the filter housing. A filter assembly is disposed in the filter cavity and sealed to the surface of the filter cavity separating the filter cavity into adjacent sections including the first section of the filter cavity and second section of the filter cavity.

Abstract: A filter element is includes a cylindrical media pack defining a central open volume and a longitudinal axis; a first end cap having a central aperture in flow communication with the central open volume; and a second, closed end cap having a central region closing an end of the media pack central, open volume. The closed end cap includes a projection extending axially outwardly therefrom and positioned at a location intersected by the longitudinal axis. An end cover for an air cleaner includes an inner side including a central projection thereon. Preferably, the central projection comprises a wall that includes an outer perimeter defining a regular polyhedron having at least five sides. An air cleaner comprises a cylindrical filter element having a first open end cap, a second closed end cap, and a cylindrical media pack extending therebetween. The first end cap defines an internal radial seal region. The second, closed end cap has a central region including a circular recessed portion.

Abstract: The invention discloses a modular air purification system comprising a basic purification unit having an inlet and an outlet wherein the basic purification unit comprises a motor, a fan actuated by the motor and a controller. The purification system further comprises at least one enhancing unit adapted to be electrically connected to the basic purification unit or to another enhancing unit in which a plurality of filters are provided. Air that passes through the purification system passes through said the filters. The purification system further comprises at least one voltage connection plugs adapted to electrically connect the basic purification system to the enhancing unit. The enhancing units are adapted to be connected to the basic purification unit in a fully modular manner.

Abstract: The present invention provides an air cleaner, in which a casing has an air inlet pipe making air inflow along a direction perpendicular to the axis of a cylindrical filter element, and an air outlet pipe making filtered air outflow along the axis, and the casing has a supporter clingingly supporting the end outer circumference of the filter element on closed valley portions side along the circumference direction continuously, and another supporter supporting the end inner circumference of the filter element on closed mountain portions side along the circumference direction continuously to close a hollow portion, and air to be filtered inflows to the filter element from a first inflow space on the top side of the mountain portions as well as from the end of a second inflow space side, and filtered air outflows from the end on an outflow space side as well as from the hollow portion.

Abstract: A filtering apparatus includes a housing having an inlet and at least an outlet, and a filter arrangement disposed in the housing, downstream of the inlet and upstream of the outlet for filtering a pressurized gas entering the housing through the inlet to provide a filtered pressurized gas at the outlet. The filter arrangement has first and second tubular filter elements. The first filter element is received within the second filter element. The filtering apparatus can be configured as a filter regulator when equipped with a pressure regulator. The filtering apparatus of filter regulator can be used with one or more spray guns or in a spraying system.

Abstract: A honeycomb structure including a plurality of porous ceramic members which are bonded through an adhesive layer, each of the porous ceramic members has a plurality of cells, which are arranged in parallel while being separated by cell walls. The cells extend in a longitudinal direction of the honeycomb structure. In the honeycomb structure, the following relationship is satisfied: 2?B?100/3×A?10/3??(1) where A (g/cm3) designates apparent density of the porous ceramic members, and B (GPa) designates Young's modulus of the adhesive layer.

Abstract: A system for providing air substantially free from radioactive and toxic contaminates to a nuclear reactor habitability area is provided. The system can include at least one emergency air filtration unit structured and operable to provide air free from radioactive and toxic contaminates to the habitability area. The system can additionally include at least one stored energy power source structured and operable to provide operating power to each emergency air filtration unit.

Abstract: Multi-Element Structured Arrays (MESAs) present an effective approach to utilizing high pressure drop media that previously were cost prohibitive for use in a traditional filter element. The operational velocity is significantly slowed by the incorporation of numerous elements; thus, eliminating the Darcian flow resistances of the media. The MESAs are readily fitted with two or more replaceable “filter elements” that are able to employ commercially available media, microfibrous entrapped catalyst/sorbent media, unique multilayers and more.

Abstract: A filter includes at least two different adsorptive media. First, chemisorptive media, which is porous and includes an acidic functional group, is used to remove molecular bases, including ammonia, organic amines, imides and aminoalchols, from the atmosphere used in semiconductor fabrication and other processes that require uncontaminated gaseous environments of high quality. Second, physisorptive media is able to adsorb condensable contaminants, particularly those having a boiling point greater than 150 degrees C. The physisorptive media can include untreated, activated carbon.

Abstract: A honeycomb structured body of the present invention is a honeycomb structured body in which a plurality of porous ceramic members are combined with one another through an adhesive layer, each of the porous ceramic members having a plurality of cells which are allowed to penetrate in a longitudinal direction with a wall portion therebetween and either one end of which is sealed, with a catalyst supporting layer being adhered to said wall portion, wherein pores formed in said porous ceramic member are constituted by large pores having a relatively large pore diameter and small pores having a relatively small pore diameter, and supposing that: the thickness of the catalyst supporting layer is X1 (?m), and the value, obtained by multiplying the porosity (%) of said porous ceramic member by the ratio (the average pore diameter of said large pores/the average pore diameter of said small pores) of the average pore diameter of said large pores to the average pore diameter of said small pores, is Y1, these X1 and Y1

Abstract: The inventive filter unit for filtering particles contained in exhaust gas of an internal combusting engine comprises sets of imbricated input channels (10, 11) and adjacent output channels (12, 13) which are fluidly communicating by means of the lateral walls thereof. Said lateral walls are cross-sectionally provided with a corrugation which is determined in such a way that the total volume of the input channels (10, 11) is increased with respect to that of the output channels (12, 13), whereby the total volume (Ve) of the input channels (10, 11) being greater than that (Vs) of the output channels (12, 13).

Abstract: A porous metal denuder has a cascade impactor to collect aerosol particles of different diameters, two porous metal discs downstream to collect basic and acidic gases, respectively, and a final filter to collect particles smaller than the cut diameter of the last stage of the cascade impactor which will penetrate the two porous metal discs.

Abstract: A honeycomb structural body is constituted with a ceramic block made by arranging a plurality of through-holes side by side in the longitudinal direction through partition walls and sealing either one end portions of these through-holes. The ceramic block of this honeycomb structural body is made of a composite member consisting of ceramic particles and amorphous silicon, so that the honeycomb structural body has an excellent compression strength even if its porosity is increased, and is less in the lowering of mechanical strength even if it is heated to a high temperature, and is excellent in the durability.

Abstract: The invention relates to a recipient for containing moist substrate, which recipient comprises a flexible polymer wall having an outer surface and at least one gas exchanging membrane, which gas exchanging membrane is hermetically sealed to the outer surface of the flexible polymer wall along a sealing line. The sealing line defining a hermetically sealed area of the flexible polymer wall. The flexible polymer wall comprises at least one aperture, being provided in this hermetically sealed area of the flexible polymer wall. The recipient further comprises a means for creating an air chamber circumscribed by the hermetically sealed area and the gas exchanging membrane, for preventing moist substrate to contact the gas exchange membrane when the recipient is filled with moist substrate.

Abstract: A filter element that has at least two, planar, non-curved filtration panels. In a preferred embodiment, the filter element has three panels, providing a generally triangular filter element. The outlet aperture, from the filter element, generally follows the configuration of the filter. That is, a filter element having three filtration panels will have a generally three-sided outlet aperture. The outlet aperture preferably is not a true polygon, but rather, includes rounded or curved sides and/or corners. The filter element includes an outlet sealing configuration that may provide both axial and radial sealing to outlet ductwork.

Abstract: This dust collecting unit for use in a cleaner includes an inlet port through which air and dust is taken in, a dust catch room into which the air and dust taken in through the inlet port is led, an air flow path for separating a part of air taken in through the inlet port and ensuring air flow, an air outlet port through which the air having passed through the dust catch room and the air flow path is discharged, and a filter provided on the upstream side of the air outlet port for preventing dust from flowing to the air outlet port from the dust catch room and the air flow path.

Abstract: In one embodiment, a removable air filter is mounted proximate to where electrical equipment is mounted in a case. The filter has at least two sections with different finite air impedances. The filter is constructed of a filter media mounted inside of a frame. When the equipment arrangement is modified, the filter can be replaced with another filter with a different impedance profile, such that the air flow remains optimal for many equipment arrangements. The impedance profile can also be tailored to compensate for the characteristic airflow of the case design. Other embodiments are described and claimed.

Abstract: An exhaust gas filter apparatus includes a particulate filter for collecting a particulate from an exhaust gas. The exhaust gas filter also includes a electromagnetic radiation resonator to heat a portion of the particulate to ignite the particulate and regenerate the particulate filter.

Abstract: An upright vacuum cleaner includes a nozzle base having a main suction opening formed in an underside thereof. A housing is hingedly connected to the nozzle base. The housing includes a dirt separation chamber and a dirt receptacle for receiving dirt and dust separated by the dirt separation chamber. A conduit connects the nozzle base to the housing. A suction source is located in one of the housing and the nozzle base. The suction source is in fluid communication with the dirt separation chamber. A generally conically shaped filter extends into the dirt separation chamber along a longitudinal axis of the dirt separation chamber.

Abstract: A filter body (3) which is intended, in particular, for the filtration of particles contained in the exhaust gases from an internal combustion engine. The filter body (3) is formed by bonding filter blocks (11) using a joint (17). An outer surface (16) of the first of the blocks (11), which is disposed opposite the second of the blocks (11) and which is in contact with the joint (17), includes at least one projection- and/or cavity-type irregularity (30a, 30b).

Abstract: An air cleaner assembly and components therefor are provided. Features are described providing for a cantilevered support of a filter cartridge contained therein, and also, in some examples anti-rotational support. Also, a supported housing seal is shown. A filter cartridge arrangement is described and shown. Methods of assembly and use are also described.

Abstract: A filter element, a safety element and fluid cleaner assembly. The fluid cleaner assembly generally includes a housing having a cover and a primary fluid cleaner section. The element generally comprises z-filter media, arranged in a straight through configuration, and an axial 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. Methods of assembly and use are provided.

Abstract: An apparatus for air filtration comprises a substrate, the substrate including a first side and a second side, a plurality of openings in the substrate, each opening in the plurality of openings including a tapered edge from the first side to the second side, a plurality of layers of filter material removably attached to the substrate, the plurality of layers of filter material further including: an exposed layer and at least one subsequent layer, a plurality of openings in the plurality of layers, each opening of the plurality of openings corresponding to the openings in the substrate, an extension of the layers of filter material into the tapered edge of the openings in the substrate, the extension extends at least to the second side of the openings in the substrate, and a particulate trapping adhesive attached to the first side of each layer of the filter material.

Abstract: This particulate matter reducing apparatus 10 is provided to burn and reduce particulate matter (“PM”) in an exhaust gas 1 of a diesel engine while collecting the PM on each filter 11 at a low collection rate of 50% or less in total. The filter 11 is composed of a wire mesh structure and is formed in a short column shape provided with a central through hole 12. The filter 11 is coaxially housed in an outer cylindrical casing 4 with a gap 14 provided within the casing and is retained by a pair of front and rear shielding plates 17 and 18. The pair of shielding plates 17 and 18 divides the inside of the outer cylindrical casing 4 in front and rear and is provided with one or more air holes 15 and 16 at the outer circumferential section or at the central section.

Abstract: The invention relates to a filter module for removing air-polluting materials from machine exhaust, comprising a filter housing with an intake opening and an outlet opening for channeling machine exhaust through, at least one mounting element for mounting the filter module on a machine, and a filter assembly, arranged in the filter housing and comprised of at least two filter groups, arranged in tandem in the direction of flow and comprised of rod-shaped filter elements with a filter medium, said elements being arranged parallel to one another at a constant center-to-center distance and with their longitudinal axis largely crosswise to the direction of flow, wherein the filter elements of two adjacent filter groups 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.