Abstract: An air filter media construction or arrangement is disclosed. The air filter media construction or arrangement includes strips of media comprising corrugated sheets secured to facing sheets and forming inlet and outlet flutes secured to one another in a stack. A preferred projection/receiver arrangement is described. Methods of assembly and use are also provided.

Abstract: A filter unit for removing particles from an air or gas flow, comprising a filter body having a front side, a rear side, and an edge side between the front side and the rear side, and an edge strip arranged on the edge side, which edge strip extends at least the height of the edge side and at least the length of the edge side, wherein the edge strip comprises a foamed thermoplastic material, which is molded to the edge side of the filter body such that the edge strip thereby is formed and fastened directly to the edge side of the filter body, and such that the edge is embedded in the edge strip.

Abstract: A moisture diversion system for a gas turbine inlet. The moisture diversion system comprises a housing that is operably connected with a gas turbine and defines an opening through which air flows to the gas turbine. A hood is attached to the housing adjacent the opening. The hood has a surface disposed at an acute angle relative to horizontal. A device is disposed relative to the hood to separate moisture from air flowing through the device. Separated moisture is directed onto the hood. A gutter is disposed adjacent an edge of the hood to collect moisture from the hood. A conduit is fluidly connected with the gutter to conduct water away from the gutter and the opening in the housing to inhibit separated moisture from re-entering the air flow through the opening to the gas turbine.

Abstract: A non-V bank filter for an animal confinement application such as for filtering out the porcine reproductive and respiratory syndrome virus (PRRSV) is provided. The filter may be a deep pleat of synthetic filter media with at least a MERV 14 rating and efficiency sufficient to filter out the PRRSV in high air flow applications. The media may be embossed and have spacers to provide for structural support and open filter structure for airflow. The filter can occupy less space and in some embodiments ½ or even less space than a corresponding V-Bank filter with comparable performance.

Abstract: A filter arrangement for filtering a fluid or gaseous medium, in particular in a motor vehicle, comprising a housing which holds a filter element in a receiving space, wherein the filter element has an edge region which bears at least in regions against the inner wall of the housing, is characterized, with regard to the problem of creating a filter arrangement which is of structurally simple design and has a high filter efficiency, in that the housing is shaped such that the receiving space tapers at least in regions in at least one spatial direction.

Abstract: A filter pack includes filter media formed into a filter structure having a front, a back and at least one side surface; and a frame adhered to the at least one side surface and comprising an adhesive and an adhesive carrier. The adhesive carrier can be a sheet of material which can be impregnated with the adhesive, one example being a sheet of the filter material itself. The adhesive carrier can alternatively be a single use tray mold for holding the adhesive while it cures, and which is left into the final product.

Abstract: An air filter arrangement, an air cleaner assembly including the air filter arrangement and methods of assembly and use are described. An air filter arrangement comprising a serviceable filter cartridge is described. The typical cartridge includes a recessed first flow face and an opposite outwardly projecting second flow face, with a central apex. Features of the cartridge, and an air cleaner for installation into the cartridge, are described.

Abstract: An approach that provides filter media pleat pack retention is described. In one embodiment, filter media pleat pack retention is attained by providing a filter media pleat pack having a joining member located between a first filter media portion and a second filter media portion. The first filter media portion is coupled to the joining member at one side and the second filter media portion is coupled to the joining member at an opposite side. The joining member provides stiffness to the filter media pleat pack and provides support to the panel stopping excessive bowing under high pressure and subsequent tearing and puncture.

Abstract: A filter element arrangement is provided which includes a media pack comprising Z-filter media, a preform and an overmold sealing a portion of the interface between the preform and the media pack, and also forming an air cleaner seal for the filter element. The overmold preferably comprises molded, foamed, polyurethane. A variety of media pack shapes can be used.

Abstract: An air intake filter system for a gas turbine. The air intake filter system comprises a housing connectable with a gas turbine for fluid communication with the gas turbine. A frame is located within the housing. A filter assembly comprises a flange connectible with the frame to mount the filter assembly. The flange has a portion contained in a first plane that is adapted to extend in a substantially vertical direction when mounted in the frame. A filter portion is attached to the flange for filtering air therethrough that is communicated to the gas turbine. The filter portion includes filter media capable of separating moisture from air flowing through the filter portion. A moisture resistant first end is attached to the flange and filter portion. The first end has a portion contained in a second plane that extends at an acute angle relative to the first plane. The first end is adapted to form a drain surface to direct moisture away from the interior of the filter assembly.

Abstract: The disclosure concern air cleaners. Preferred air cleaners are shown which include a housing and a removable and replacement primary filter cartridge. Optional and advantageous features are shown. The preferred primary filter cartridge is conical in shape. A preferred optional safety or secondary filter cartridge is shown. Preferred methods of assembly and use are provided.

Abstract: An air filter arrangement is disclosed. The air filter arrangement includes strips of media comprising fluted sheets secured to facing sheets and forming inlet and outlet flutes secured to one another in a stack. Media pack arrangements including such stacked media with peripheral, perimeter, housing seal arrangements are described. Also described are air cleaners including the filter cartridges. Methods of assembly and use are also provided. Also, systems of use are described.

Abstract: A supplemental filter media support insert is provided for use with a filter element to reinforce the filter media against filter media deformation resulting from fluid flow induced forces. The support insert is configured for installation into an air cleaner near the filter outlet face and includes support ribs which may be generally aligned to overlay reinforcement bands provided on filter media.

Abstract: An air filter arrangement is (300) disclosed. The air filter arrangement includes strips of media comprising corrugated sheets secured to facing sheets and forming inlet and outlet flutes secured to one another in a stack. Media pack arrangements including such stacked media with a molding arrangement to secure and seal opposite side edges of the media strips, are described. Also described are filter cartridges including such media pack (301) and air cleaners including the filter cartridges. Methods of assembly and use are also provided. Also, systems of use are described.

Abstract: A mist eliminator including a substrate and a plurality of frusto-conical shaped protrusions disposed on the substrate is provided. The plurality of frusto-conical shaped protrusions have a geometry and are positioned at intervals that provide coalescence and retention of water particles from moisture containing air contacting the substrate and frusto-conical shaped protrusions. A moisture removal system and a method for removing water particles from inlet air with the mist eliminator are also disclosed.

Abstract: An air cleaner unit includes a casing and a filter element disposed in the casing for filtering air to be introduced into an internal combustion engine of a vehicle. The casing includes a first case member and a second case member that are coupled to each other such that the filter element is housed in an element housing portion of the casing. The first case member has a hinge receiving portion, and the second case member has a hinge inserting portion. The hinge receiving portion and the hinge inserting portion are disposed under the element housing portion. The hinge receiving portion includes an engagement opening in which the hinge inserting portion is received such that the hinge receiving portion and the hinge inserting portion are connected in a hinge manner. The hinge receiving portion further includes a hinge receiving surface that extends from a vicinity of the engagement opening.

Abstract: A panel filter is provided such as for HVAC applications in which one of the cut edges is frayed and attached with adhesive to the inner peripheral surface of a paper board frame. The frayed edges may facilitate better gluing of pleated filter medium to the frame especially for self-supported filter media applications and may increase structural rigidity and sealibility as a whole. Frayed edges also provide flexibility to assist in installation of a card of pleated filter medium into a paper board frame.

Abstract: A filter assembly for a motor-vehicle air cleaner includes a main filter, an auxiliary filter set apart from the main filter, and a filter mount fixed to and configured to support the main filter and the auxiliary filter. In one embodiment, the filter mount is fittable in and removable from a housing of the air cleaner, and comprises a sealing element passing between the main filter and the auxiliary filter.

Abstract: A filter arrangement includes a filter element, a frame construction secured to the filter element, and a handle member secured to the filter element. In preferred embodiments, the handle member is secured to the frame construction. Preferably, the filter element includes a central core member, wherein fluted filter media is coiled around the central core member. Preferably, the central core member includes a plurality of corrugations, wherein the corrugations mateably engage at least some flutes. Preferably, the handle member is integral with the central core member, and also includes a fastening member for connection to a frame construction on the filter element. Methods for cleaning air and servicing an air cleaner preferably include constructions as described herein.

Abstract: The disclosure relates to a modular waste liquid separator and collector device, comprising component modules. A first module comprises a support structure, a second module comprises a droplet separator connectable to said support structure, and a third module comprises a waste liquid collector. The component modules are individually portable, and are assembled at the point of use.

Abstract: An air filter having an improved structural support. A pleated air filter having a plurality of truncated pleat tips and sloping side surfaces along a front face and rear face. The truncated pleat tips are orientated perpendicular to the direction of pleating. A reinforcing support member oriented in the direction of pleating and substantially contouring and connecting to the face of the pleated air filter and thereby having truncated pleat tips orientated perpendicular to the direction of pleating. A reinforcing strip connected to the truncated pleat tips of the reinforcing member along the face of the air filter and another reinforcing strip located on the opposite face of the air filter and connected to the truncated pleat tips of the filter to form a truss structure.

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: Embodiments for a filter and method for fabricating the same are provide herein. In one embodiment, a filter is provided that includes a first end cap, a second end cap, at least a first filtration media element and at least a first brace. The first end cap has an air flow aperture formed therethrough. The first and second end caps define a central axis. The first filtration media element is coupled to the first and second end caps and has an orientation curved around the central axis. The brace separates a first closed edge of the filtration media element from a second closed edge of the filtration media element.

Abstract: A filter assembly for a vacuum cleaner is provided, and the filter assembly comprises a discharge grill formed on a discharge passage, a filter member mounted on the discharge grill, and a gasket member that is detachably connected between the discharge grill and the filter member and seals a space between the discharge grill and the filter member.

Abstract: A frame for receiving a filter element includes: a pair of first members and a pair of second members. The first members may be arranged alternately with the second members in the assembled orientation to establish a plurality of joining structures between adjoining members. Each respective joining structure of the plurality of joining structures maintains the adjoining members oriented substantially about a respective axis. The first members and the second members cooperate to define a volume for effecting the receiving.

Abstract: A collapsible air cleaner filter is provided. The filter includes a pleated media filter having a first end, a second end, and a filter media extending between the first and second ends, wherein the filter media includes a first plurality of flexible end portions and a second plurality of flexible end portions, the first and second plurality of flexible end portions are separated by a plurality of pleats, and the filter media extends a first length between the first and second plurality of flexible end portions, and an end member coupled to the first end of the pleated media filter, the end member extending a second length parallel to the first length, the first length being greater than the second length.

Abstract: A filter device has a filter housing and a filter element that is exchangeably arranged in the filter housing. A housing cover for closing the filter housing is provided. Interacting locking elements are arranged on the filter element and on the housing cover wherein the interacting locking elements have a locked position and a release position and are moveable between the locked position and the release position.

Abstract: A horizontal dust collector includes a plurality of elongated filter elements in a horizontally-oriented array, each filter element connected at one end to a tube sheet, and at an opposite end to a support plate. The one end of each filter element is fitted with a substantially rigid coupler having an insertion portion, a peripheral, outwardly facing groove adopted to receive a mating edge defining an aperture in the tube sheet, and a radially outwardly extending flange axially behind the annular groove for engagement with a filter element assembly tool. A tool is also provided to facilitate installation of the filter elements within the dust collector.

Abstract: An air filter having hollow support channels in its frame is disclosed. In one embodiment, the air filter comprises a support structure having a center portion and sidewalls positioned on opposite sides of the center portion, the center portion of the support structure attached to a side of a filter media, and a frame having a plurality of sections, each of the sections having a center portion and sidewalls positioned on opposite sides of the center portion, a first frame section attached to the support structure by connecting the sidewalls of first frame section to the sidewalls of the support structure to form a hollow channel between the first support structure center portion, the frame section center portion, and the sidewalls. Methods for cutting air filter sections and for attaching a frame to the air filter sections is also disclosed.

Abstract: An inlet barrier filter system for mounting on an aircraft to filter air prior to intake into an engine of the aircraft includes a frame having at least two curved frame members defining an opening. A filter element has a curved inward face and is received in the opening of the frame. The filter element includes filter media having pleats. A comb is attached to the frame and includes spaced-apart teeth that support the pleats. The comb is curved to generally conform to the curved inward face of the filter.

Abstract: An air filter for filtering air in a refrigerating apparatus is provided, including a housing having a hollow body with at least a front wall, a pair of side walls, and a top and bottom wall. At least one wall includes at least one aperture for the passage of air. The air filter further includes at least one cantilever attaching means for removably securing the housing to the refrigerating apparatus, and a filter element for removable placement within the housing. Air enters the at least one aperture, makes contact with the filter element, and leaves the air filter.

Abstract: An air cleaner comprises an enclosing structure having support members spaced a distance from top and bottom walls. A collapsible extended surface pleated media filter has end members and a pleated mechanical media filter. The end members have an outer surface and a thickness that is based on the distance that the support surfaces are spaced from the top and bottom walls to provide an effective seal against air flowing around the collapsible filter. The end members can have a seal structure provided on the outer surface that interacts with the top or bottom wall. The collapsible filter optionally includes flexible support member(s) on or in the pleated mechanical media filter that assist in keeping the pleats open. The pleated mechanical media filter can extend beyond the end member(s) and interact with portions of the frame to provide an effective seal against air flowing around the collapsible filter.

Abstract: The invention provides a multiple layer filter media for removal of particles from a fluid stream. The multiple layer filter media may include a depth filtration layer, a membrane filtration layer and a support layer. Additional layers may be present. The membrane filtration layer may comprise expanded polytetrafluoroethylene (ePTFE). The various layers of the multiple layer filter media may be bonded together through a plurality of point bonds. The point bonding process may include simultaneously bonding multiple layers of the multiple layer filter media together in a single operation. The point bonds may be created using ultrasonic bonding.

Abstract: Provided is a double-pleated air filter where filter elements each of which ensures an inter-pleat gap (air passage) by folding filter media in multiple layers and by defining a pitch, a thickness and a folding shape of the filter media are arranged in the V-bank-shaped structure whereby the air filter can be used with a large air volume due to a low pressure drop.

Abstract: A filter element in the form of a nonwoven self-supporting filtration web having rows of folded or corrugated spaced-apart pleats, the web containing continuous thermoplastic fibers a majority of which are aligned at 90°±20° with respect to the row direction. The filter element can be made by forming rows of pleats in such a nonwoven web and cutting the web to a desired size and shape. The filter elements can provide improved mechanical and filtration properties and can exhibit reduced susceptibility to pleat deformation and the loss of space between pleats.

Abstract: An air filter element is provided with an anti-crown support grid on a clean side of the filter media. The support grid includes at least one side rail provided along periphery portions of the grid and at least one support rib spanning between and secured at opposing ends to the side rails. A plurality of frame attachment members extend outwardly from the support rails and are configured for embedding into the seal frame to secure the support grid to the frame. The support grid includes at least one alignment feature sized, configured and positioned to be receivable into a complimentary feature of a housing so as to positionally lock the filter element and the housing.

Abstract: A filter element includes support grid secured about its periphery edges to a periphery frame member. A pleated filter media is secured to the frame member and is sized and positioned to fully cover the filter fluid aperture. The support grid is positioned such that it is effective in providing support to the filter media against fluid forces. At least one elongated comb member is provided and includes a plurality of spaced tapered teeth protruding outwards towards the filter media. The teeth are sized and spaced to be received into at least a portion of grooves present between the pleats of the filter media. The teeth of the comb member are sized and spaced to regulate filter media pleat separation and spacing.

Abstract: The present invention relates to an air filter pack frame constituted of four profiled elements being held together by angle pieces and surrounding an opening there between, in which a pack of pleated filter medium is intended to be mounted, said profiled elements having a front side, which when a pack of filter medium is mounted in the frame is adjacent to an inlet side thereof, and a rear side, which when a pack of filter medium is mounted in the frame is adjacent to an outlet side thereof. According to the invention an inwardly open sealing channel extends along each profiled elements in the front end thereof.

Abstract: A filter is disclosed herein, the filter having: a plurality of sheets of filter media, each sheet of filter media having an inlet end and an outlet end, wherein each of the plurality of sheets of filter media has a first layer of filtration media thermoformed to have a plurality of channels, the first layer having an upper surface and a lower surface; a second layer of filtration media sonically welded to a portion of to the first layer of filtration media after the first layer is formed with the plurality of channels, wherein at least one edge of the first layer is not sonically welded to at least one edge of the second layer, and wherein the sheet of filtration media has a plurality of fluid channels each having an inlet opening at the at least one edge of the first layer and the second layer and a sealed end at another end of the sheet; wherein each of the plurality of sheets of filter media are secured together by a strip of adhesive located between each upper surface of each first layer facing the secon

Abstract: A pleated filter media comprises a plurality of pleats comprised of pleat segments extending in an axial direction between first and second axial ends and extending in a transverse direction that is perpendicular to the axial direction between first and second sets of pleat tips at least partially defined by first and second sets of bend lines. Axial flow channels are defined between the pleat segments in the lateral direction and the plurality of pleats has a width in the transverse direction that varies along the axial direction.

Abstract: A filter gasket seals at least one mitered corner of a filter frame having a substantially planar first surface and an adjacent side surface. The gasket comprises at least first and second elongated gasket segments formed from compressible material. Each segment has a substantially planar surface adapted to contact the substantially planar first surface of the filter frame. The first and second gasket segments also each include an end which, when brought into joined engagement with the end of the other gasket segment, forms an interlocking miter joint to seal the at least one mitered corner of the filter frame.

Abstract: An air filter including a plurality of air-pervious sheets of electret filtration material. The sheets are disposed in a parallel relationship to form a stack of sheets, and each of the sheets has a plurality of slits formed therein for subsequent expanding to form openings. The stack is connected together at opposing ends, such as by bonding. The sheets can be pleated by mounting in a frame. The frame has opposing ends to which the opposing ends of the stack are mounted. The filter media initially has no frame and is not pleated, but is in a flat pad form that is expanded to be installed into a frame. The frame is then mounted in an appliance, such as a room air filter. When the filter is inserted into the filter housing it is expanded and can take a pleated form.

Abstract: An air cleaner unit for an internal combustion engine includes a casing and a filter element disposed in the casing. The casing includes a first case member having a first opening and a first sealing surface on a periphery of the first opening and a second case member having a second opening and a second sealing surface on a periphery of the second opening. The first case member and the second case member are coupled such that the first and second openings are opposed in a substantially horizontal direction of a vehicle. The filter element has a peripheral portion that is interposed between the first sealing surface and the second sealing surface. The first case member includes a side wall and a projection that projects from an inner surface of the side wall. The filter element is held in a substantially vertical position in the casing through the projection.

Abstract: A filter includes a spacing member and a filter element having two layers laminated together with the spacing member such that the spacing member extends between the filter element layers. The spacing member spaces apart the filter element layers to define an opening between the filter element layers.

Abstract: An air filter element partially-fabricated on site wherein one or more wire frames are fastened to one another to form a structure substantially conforming to the dimensions of the original equipment manufacturer's filter housing. One or more of the wire frames are flexibly attached to each other end-to-end by flexible attachment means, allowing the assembled filter unit to be inserted into the filter housing one frame at a time, with the frame sections yet to be inserted folded or directed off to one side, thus bypassing space restrictions. Flexible attachment means may comprise spring connectors. Also disclosed is an end-cap affixed to or formed at one or both ends of the filter element. The end-caps may also contain printed material, such as text or pictures, which may include instructions for use, identifying labels or symbols, or the like.

Abstract: There is provided herein an air filter that includes one or more foldable extension flaps that can be folded and secured against the frame to provided an extend thickness dimension for the frame of the air filter, which allows the same filter to be used in either a smaller or larger filter slot within an HVAC system.

Abstract: A filter arrangement includes a filter media pack having a side wall. A ring is oriented around and against the side wall of the filter media pack. The ring includes a band having an interior surface oriented against the side wall of the filter media pack and an opposite exterior surface. A first seal member is secured to the exterior surface of the band. The first seal member is oriented radially from the filter media pack. The filter media pack includes Z-media having an inlet flow face and an opposite outlet flow face. An air cleaner including a housing with a filter element operably installed therein is provided. Methods of installing, filtering, and servicing are described.

Abstract: An arrangement consisting of a cover and a filter element, wherein the filter element has a corrugated bellows with adjacent pleat ridges, wherein the corrugated bellows is hemmed by edge strips, wherein the filter element bears against one abutment side of the cover forming a seal and wherein the filter element is fixed with one side to the abutment side and in that context projects self-supporting from the abutment side of the cover, is in view of the objective to design an arrangement of the type mentioned at the outset and develop it further so that following cost-effective production, a reliable attachment of a filter element on the cover is assured, characterized in that gripping means are arranged on the abutment side which engage around an edge strip on both sides, which bears against the abutment side.

Abstract: A filter element has a zigzag-shaped fold pack of folds. At least one terminal element is folded parallel to the folds of the fold pack. The at least one terminal element has a first leg, a second leg, and a third leg. The first leg is arranged substantially perpendicularly to a flow direction of a medium flowing through the filter element. The first, second and third legs are delimited by folds of the at least one terminal element. The first and second legs are positioned substantially at a right angle relative to one another. The third leg projects laterally away from the filter element to form a peripheral seal.

Abstract: A dual filter arrangement for a vacuum cleaner for filtering particles of dust and debris from an airflow passing through the vacuum cleaner. The dual filter comprises a coarse pre-filter having an array of pores formed therein of substantially uniform diameter and a fine primary filter which is located rearwardly of the pre-filter in the direction of flow of the airflow. The dual filter is releasably latched to a main housing portion of the vacuum cleaner housing. A nose cone is removably secured to the housing and circumscribes the dual filter assembly. The dual filter enables even more efficient filtering of contaminants from dust and dirt entrained air ingested by the vacuum cleaner. Attachment of the dual filter to the main housing portion provides the additional advantage of increasing the capacity of the nose cone and eliminating the need for the user to handle the dual filter assembly when emptying contaminants collected within the nose cone.