Abstract: An exhaust gas purification filter is configured to he disposed in an exhaust passage in a gasoline engine. The exhaust gas purification filter includes partition walls including a plurality of pores, a plurality of cells partitioned by the partition walls, and sealing portions alternately sealing ends of a plurality of the cells in the exhaust gas purification filter. The partition walls each have an average pore diameter of more than 16 ?m and less than 21 ?m, and have a ratio of an average surface opening diameter of the pores in a partition wall surface to the average pore diameter of the partition wall of 0.66 or more and 0.94 or less.

Abstract: A filter device has a housing (3, 5) and a filter element (23) that can be received in the housing in a replaceable manner. The housing and filter element engage with at least two key parts (53, 56, 58) or lock parts. The lock parts (57) or key parts of the housing (3, 5) are associated with each other respectively in pairs in an engaged manner, as a coding and/or setting and/or functional structure and/or reproduction protection.

Abstract: A filter and kit assembly for securing to one or more intake surfaces associated with a V-shaped heat exchanger unit. A screen includes a reinforced edge, within which is configured a plurality of spaced apart grommets aligning with and receiving therethrough engaging portions of the fasteners. In one variant, a frame is constructed for supporting the fasteners and attached filter and which is subsequently secured by clips against a flange surface surrounding the intake opening. In a further variant, the screen is configured in wrap-around fashion for supporting against first and second consecutively arranged intake openings along with an interconnecting intermediate flange surface.

Abstract: A symmetric pair of mounting brackets for mounting one of a plurality of air filters to a mounting plate of an air conditioner unit are provided. The mounting brackets each define a plurality of mounting surfaces with equidistantly space mounting holes. The mounting surfaces are spaced apart from a plurality of retention surfaces, with the distance between each respective mounting surface and retention surface varying to accommodate a different filter size such that the air conditioner may operate using different filter sizes by simply changing the installation orientation of the mounting brackets.

Abstract: A combination air filter and goggles includes a pair of goggles; an air filter; a tube having a first end attached to the goggles and a second end attached to the air filter; a first strap having two ends attached to the air filter; and a check valve disposed on the goggles. The air filter includes a centrifugal fan, a circuit board, a UV lamp, a filter element, a power supply, a housing, and a cover. Clean air produced by the air filter may flow to inside of the goggles.

Abstract: Air cleaner assemblies, components, and features are described. The features can be used to provide that the air cleaner assembly includes a housing and cover within which primary and secondary filter cartridges, having a media pack and a seal arrangement surrounding the media pack, can be installed. The filter cartridges can include an open end cap with an axially deviating seal arrangement and a plurality of axially extending channels for engaging with ribs on the housing. The filter cartridges can also include extension members extending from the open end cap that include the axially extending channels, entirely or partially. The filter cartridges can also include a guide member extending from the extension members for providing a low friction surface against the housing during installation that allows axial force exerted by the installer to be translated into a rotational force that rotates the filter cartridge during installation.

Abstract: A filter cartridge arrangement is provided which includes a media pack comprising Z-filter media, a preform and a housing seal member. Improvements in the preform and seal member are described which include: a single beveled surface of the seal member to facilitate installation; and, an inside region of the seal member having a tip adjacent in inwardly directed lip of the preform, to control flash during molding. A variety of media pack configurations and features are described.

Abstract: An air filter element has a filter medium body that has a wall to be flowed through by a fluid to be purified in a radial direction relative to a longitudinal axis of the filter medium body. The filter medium body has a first end face and an oppositely positioned second end face. The filter medium body has an elongate cross section shape with two oppositely positioned narrow sides and two oppositely positioned long sides connecting the two narrow sides. A cross section surface of the filter medium body tapers from the first end face toward the second end face. The two long sides each have an inwardly oriented radial constriction in a region of the narrow second end face, wherein, in a region of the first end face, the two long sides are formed without or at least approximately without the inwardly oriented radial constriction, respectively.

Abstract: An expandable air filter. The air filter including a filter media assembly, an outer frame assembly, and at least one support member. The filter media assembly defines opposing, first and second major faces and a perimeter. The outer frame assembly is arranged about the perimeter. The support member is connected to the outer frame assembly and extends across the first major face. Further, the support member defines a line of separation at which the support member can be separated into first and second segment to permit expansion of the air filter. The filter media can form a plurality of pleats, with at least one pleat being free of bonding to the outer frame assembly. The unbonded pleat experiences expansion as the air filter transitions to an expanded state. The air filter can be configured for expansion in one or both of a length and width direction.

Abstract: A reusable respirator including a mask adapted for covering and conforming to the face around the nose and a mouth of a user, a strap configured to secure the mask to a face of the user, and a filter component. All components of the respirator are capable of being cleaned, disinfected and sterilized at temperatures in excess of 50° C. An outer surface of the mask is substantially smooth and wettable for easily disinfecting and is shaped with a pair of outer shield portions for housing particulate air filters. The outer shield portions each include a closeable vent through the outer surface that is adapted to provide a user seal check and direct air flow through the outer surface for filtering by the respective particulate air filter, which is adapted to filter at least 95% of airborne particles.

Abstract: The various embodiments herein provide a filter assembly for a portable fan comprising a holder base and a filter. The holder base comprises a base strip attached to a body of the portable fan through a fastening mechanism. At least two base strips are connected on opposite ends of the body of the portable fan. The holder base further comprises at least two vertical stoppers, at least two sliding brackets, and at least two slots. The at least two vertical stoppers are attached at vertically opposite ends of the base strip. The at least two sliding brackets are attached long a length of the base strip. The at least two slots are provided at a suitable place on the base strip for the fastening mechanism. The filter is a semi permeable membrane fixed into the base strip through the at least two sliding brackets.

Abstract: A method for manufacturing a filter (1) for gas masks includes providing a flat paper and folding the paper into a pleated preform. The filter element (2) is separated from the pleated preform (6) and is inserted into a housing (3). The inserted filter element (2) is connected to the housing (3) at least at some points. This filter elements (2) may have a polygonal outer contour, upon separating the element from the pleated filter preform (6). A foam and/or an adhesive is applied to an outer edge of the filter element (2), arranged on the circumference of the filter element, for an at least partial sealing of an edge (5). This establishes a connection to the housing (3) in at least some sections.

Abstract: A filter cartridge arrangement is provided which includes a media pack comprising Z-filter media, a preform and a housing seal member. Improvements in the preform and seal member are described which include: a single beveled surface of the seal member to facilitate installation; and, an inside region of the seal member having a tip adjacent in inwardly directed lip of the preform, to control flash during molding. A variety of media pack configurations and features are described.

Abstract: A filter includes filter media and a mesh panel secured to a face of the filter media. The mesh panel has a perimeter edge margin and intersecting web members that extend from the perimeter edge margin across the panel. A web member can have an outer web portion with a larger minimum width than an inner web portion. The web members can define an outer flow opening with a smaller cross-sectional opening than an inner flow opening defined by the web members. The flow openings can be diamond shaped. The web members can include one set of web portions that define an outer flow opening and another set that define an inner flow opening. The sum of the widths of the second set can be less than the sum of the widths of the first set.

Abstract: An aftertreatment system comprises a housing defining an internal volume. The housing includes an inlet, an outlet and a first sidewall. A sleeve is positioned within the internal volume and protrudes through the first sidewall. An inner shell is positioned within an inner region defined by the sleeve and defines a recess therein. The inner shell spaced apart from the sleeve so as to define a channel therebetween. A base is positioned within the recess and includes an injection port which is in communication with the internal volume. An injector is disposed on the base and is disposed completely within the recess. The injector is in fluidic communication with the internal volume via the injection port. The injector is configured to inject an exhaust reductant into the internal volume via the opening. A cover plate can be disposed over the recess and structured to prevent objects from impacting the injector.

Abstract: According to the present disclosure, features, components and techniques useable for providing air cleaner arrangements are provided. Many of the features relate to an axial seal arrangement provided on a filter cartridge. A typical filter cartridge, for use with these features, is a filter cartridge having opposite flow ends. Example media arrangements that fit this characterization are described. Seal arrangements provided with an axial housing sealing engagement surface are shown. A seal arrangement is provided with variations therein, to advantage. These variations can be in both of an outer peripheral edge surface and a housing seal engagement surface. Also, air cleaner assemblies having advantageous features therein are provided. Further, air cleaner housings are described, with selected, preferred features for engagement with filter cartridges.

Abstract: A multi-function printer includes a fuser unit which includes a heat roller and a pressure roller; a duct which is formed in a long shape in a direction along an axis of the heat roller, is disposed in the vicinity of the fuser unit along the axis of the heat roller, and is exhausted by an exhaust fan which is provided on one end side in a long-side direction; an exhaust port which is opened to a first side wall of the fuser unit side of the duct and causes the fuser unit and the duct to communicate with each other; and a planar filter which is attached to an inner wall surface of the duct and in which the surface of the filter is an irregular surface on which ditches and convex portions extending in a direction inclined to the long-side direction of the duct are alternately disposed in the long-side direction of the duct.

Abstract: A framed pleated air filter, including a non-self-supporting, compressible, pleated air filter media with a plurality of oppositely-facing pleats and with a plurality of upstream pleat tips and downstream pleat tips, the pleated air filter media further including a plurality of bridging filaments that are bonded to at least some of the upstream pleat tips. The framed pleated air filter does not include any support member on the downstream face of the pleated air filter media.

Abstract: In one embodiment, a filter holding frame assembly includes a frame having a plurality of walls forming a quadrilateral ring and a gasket. The frame has a plurality of flanges, and each flange is coupled to a respective one of the walls and extends into the ring. The gasket has a connection portion coupled to a sealing portion. The connection portion has a substantially u-shaped cross-section coupled to the flange. The sealing portion has a flexible sealing element that extends away from the connection portion. In another embodiment, a gasket includes a connection portion coupled to a sealing portion. The connection portion has a substantially u-shaped cross-section configured to receive a filter holding frame and includes a bottom. The sealing portion comprises a first flexible sealing element that extends outwards from the connection portion. The bottom of the connection portion does not extend to the end of the sealing portion.

Abstract: A tank venting filter is provided with a housing extending in a direction of a longitudinal filter axis and provided with a bottom side and a topside opposite the bottom side. A filter element is arranged in the housing. The housing has an air inlet at the bottom side and an air outlet at the topside. The air inlet is provided in the housing transverse to the longitudinal filter axis. The housing has a housing bottom at the bottom side, wherein the housing bottom closes off a filter interior of the housing in a downward direction and is positioned at a spacing from the filter element. The housing bottom has an inner side facing the filter interior. The inner side ends in the air inlet and is positioned at least sectionwise at an obtuse angle relative to the longitudinal filter axis.

Abstract: Disclosed is a capsule apparatus having a filter housing defining a filter chamber with a top cap having a plurality of ports extending substantially laterally from a top end of the top cap. The lateral and substantially uniform orientation of the ports facilitates connection to panel mount assemblies and improves filter maintenance processes. A transfer tube extending the length of the capsule allows the introduction of heated fluids from a top mounted inlet port to a bottom of the capsule chamber to allow or a substantially uniform heat gradient in the capsule filter chamber. A dispersion ring or dispersion plate may be secured to a distal end of the transfer tube to promote uniform dispersion of liquids and/or gases introduced into the capsule apparatus.

Abstract: Embodiments of mechanisms for controlling a gas flow in an interface module are provided. A method for controlling a gas flow in an enclosure includes providing the enclosure which is capable of containing a substrate. The method also includes providing a gas into the enclosure. The method further includes cleaning the gas. In addition, the method includes actuating the gas to generate the gas flow, and the gas flow passes through the substrate when the substrate is located in the enclosure.

Abstract: A modular trash screen component includes a support frame and a wire screen secured to the support frame. The support frame encloses and defines a central opening. The support frame has interior and exterior surfaces, a base portion, and a peripheral portion extending outward from the base portion. The wire screen has a base portion generally coextensive with the central opening of the support frame, and a peripheral portion extending outward from the base portion of the wire screen. The wire screen is nested in the support frame such that outer edge margins of the base portion of the wire screen are in generally opposing relationship with the interior surface of the base portion of the support frame, and the peripheral portion of the wire screen is in generally opposing relationship with the interior surface of the peripheral portion of the support frame.

Abstract: An apparatus and method for an air filter media and frame having structural support members, including a tensile support member.

Abstract: An apparatus and method for filtering air in residential and commercial applications is described herein. The air filter may have a support frame which secures to the intake grille of an HVAC system. A filter media may be placed in the support frame to filter air as it passes through the air filter. The filter media may be replaced when the filter media becomes too dirty to effectively filter air. The dirty filter media may be removed from the frame and a new clean media may be replaced in the frame.

Abstract: A composition, a mixed power and a material for molding have polytetrafluoroethylene as a main component. Each includes polytetrafluoroethylene that can be fibrillated, a non-hot melt processable component that is not fibrillated, and a hot melt processable component with a melting point of lower than 320° C. that is not fibrillated. The hot melt processable component is contained at equal to or more than 0.1% by weight but less than 20% by weight of a total weight. A filtering medium for an air filter includes a porous membrane made of these components, and an air permeable support. The porous membrane is manufactured, by mixing these components, extruding the mixture, rolling and drawing.

Abstract: An air filter device is provided with a filter housing and a filter element arranged in the filter housing. A frame part is connected to the filter element and frames the filter element at least over sections thereof circumferentially. The frame part is provided with an air duct receptacle that is adapted to receive an air duct. The frame part is arranged at least partially on an exterior side of the filter housing. The filter element is fastened by the frame part on the filter housing.

Abstract: A framed air filter and method of making. The framed air filter includes a non-self-supporting air filter media with a generally rectangular perimeter with four major edges, a support frame comprised of four support frame portions each portion being mounted on one of the four major edges of the non-self-supporting air filter media, and a support grill that is attached to each of the four portions of the support frame but that is not integral with any portion of the support frame.

Abstract: The disclosure provides an emissions cleaning module for cleaning emissions output from an internal combustion engine. The emissions cleaning module may include a first conduit, a second conduit, a third conduit, a first end coupling and a second end coupling which together provide a continuous fluid path. The first, second and third conduits may be supported at one end by a first support member and at an opposite end by a second support member. The first, second and third conduits may be mutually parallel. The support members, conduits and couplings may be arranged with relative substantial translational movement thereof restricted.

Abstract: Disclosed is multi-flow filter cartridge assembly that includes an elongated housing that has axially opposed proximal and distal ends and defines an interior cavity and first, second and third flow paths which extend from the proximal end of the housing to the distal end. The cartridge assembly also includes first, second and third filter elements. The first filter element is disposed within the interior cavity of the housing and conditions fluid that traverses the first flow path from a first inlet port to a first outlet port. The second filter element is disposed within the interior cavity of the housing and conditions fluid that traverses the second flow path from a second inlet port to a second outlet port. Lastly, the third filter element is also disposed within the interior cavity of the housing and conditions fluid that traverses the third flow path from a third inlet port to a third outlet port.

Abstract: A filter system for intake air of an internal combustion engine has a housing with a cover. A filter element is arranged in the housing. An inlet feeds a medium to be filtered into the housing and an outlet discharges the medium from the housing. The filter element has a filter body with first end face and opposite second end face. The filter element has an open first end plate at the first end face and a second end plate at the second end face. A support tube is arranged concentrically about a longitudinal axis in the housing and attached with a first end to the housing. The support tube is arranged in the interior of the filter element and radially supports the filter body. The second end plate rests on the second end of the support tube and on an inner cover contour of the cover with anti-rotation action.

Abstract: A filter system has a housing with a housing wall and at least one lid. An inlet socket is arranged at the housing and feeds a fluid to be filtered into the housing. An outlet socket is arranged at the housing and discharges the fluid that has been filtered from the housing. A sensor socket is arranged at an end section of the housing. The sensor socket is arranged angularly relative to a longitudinal axis of the housing at the outlet socket.

Abstract: A filter system is provided with a housing having a housing wall and a cover, the housing having a longitudinal axis. An inlet is arranged on the housing and feeds a fluid to be filtered into the housing. An outlet is arranged on the housing and discharges the filtered fluid. Filter elements each having at least one filter medium are arranged in the housing. At least one of the filter elements extends along the longitudinal axis. The filter medium has pleats extending along the longitudinal axis with outer and inner pleat edges. The outer pleat edges extend on the first side of the filter medium and the inner pleat edges on the second side of the filter medium and are opposite the outer pleat edges. The filter medium has a variable flow resistance along the longitudinal axis.

Abstract: A filter assembly for use with a vacuum apparatus and a hair clipper is disclosed. The assembly includes a top piece, a bottom piece, and a filter member. The top piece is formed having a generally circular perimeter with an inlet aperture located on the perimeter such that the inlet aperture is adapted for tangential acceptance of a vacuum hose. The specific arrangement of components, including the tangential position of the aperture, creates a hair collecting vortex within the assembly when a vacuum source is attached and activated.

Abstract: An exhaust gas-treating device (1) for an exhaust system of an internal combustion engine, especially of a motor vehicle, has a housing (2), which has a jacket (3) extending circumferentially on the side and two end-side end bottoms (4, 5). Maintenance is simplified with at least one mounting tube (6), which passes through one or the first end bottom (4) and into the outlet end (8) of which a particle filter (7) is plugged axially from the outside, with a deflecting housing (9). The deflecting housing (9) contains a deflecting chamber (10), and has at least one inlet (11) communicating with the deflecting chamber (10) and at least one outlet (12) communicating with the deflecting chamber (10). A fastening device (13) is provided for detachably fastening the respective inlet (11) at the respective outlet end (8) of the mounting tube (6).

Abstract: An air cleaner adapted to filter out various types of substances through a filter assembly, as well as automatically remove the filtered substances, and a method for controlling the operation of such an air cleaner, are provided. The air cleaner may include a rotation brush unit installed on an inner wall surface of a front panel, facing a front surface of a mesh-type filter body and adapted to rotate while maintaining contact with the front surface of the filter body. When a suction operation is terminated, the rotation brush unit may to remove dust accumulated on the surface of the mesh-type filter body.

Abstract: Apparatus for separating ash particles from a flue gas. The apparatus includes a screen that has a plurality of semi-elliptical cylinder surfaces. The semi-elliptical cylinder surfaces having holes through which said flue gas flows and through which the ash particles will not pass. The screen has a single layer for performing the separation in a manner such that the ash particles fall away from the screen and collect outside of the screen. A method of reducing velocity of a flue gas passing through screening apparatus for separating flue gas from ash particles. The method includes replacing a first screen of the screening apparatus with a second screen that has a plurality of semi-elliptical cylinder surfaces.

Abstract: A filter element (10) comprises filter bellows (16), in particular open filter bellows made of a filter medium (18), which has an oncoming flow side (28) and an outgoing flow side (30) for the fluid to be filtered. The filter element (10) is disposed in the filter housing (11) in such a way that it separates at least one inlet (15) from at least one outlet (17). An element axis (14) of the filter element (10) and a housing axis (25) of the filter housing (11) may be aligned in parallel with or axially to the installation direction (12) in the filter housing (11) for installing the filter element (10). The filter element (10) has at least one outer support section (38), which protrudes axially beyond the filter bellows (16) on the oncoming flow side (28) or the outgoing flow side (30) with respect to the element axis (14) and protrudes into an axial projection of the oncoming flow side (28) or the outgoing flow side (30) with respect to the element axis (14).

Abstract: An engine crankcase breather includes a housing having a lower end including an inlet opening and an upper end including an outlet opening. The inlet opening lies in a horizontal plane and the outlet opening lies in a vertical plane. A mesh filter is positioned within the housing and includes opposing inlet and outlet faces defining a mesh filter thickness. The inlet and outlet faces are parallel to the inlet opening and are positioned below a central axis through the outlet opening. A bottom wall of the housing defines a portion of the lower end and includes a downward slope toward a lip defining the inlet opening. The mesh filter is spaced above the bottom wall. The engine crankcase breather also includes a plurality of oil return openings through the lip.

Abstract: Disclosed are an air filter element, a filter housing, and an air filter in which the air filter elements have a high filtering capacity and a long service life by increasing the filter surface of an air filter element taking into account structural requirements for the air filter housing.

Abstract: A filter element has a zigzag-folded filter medium. Filter medium sections joined by a fold edge define an intermediate fold space, respectively, with a fold base and fold peaks opposite the fold base. An elongate support section is arranged in the intermediate fold space on a filter medium surface of one of the filter medium sections. The support section extends perpendicular to the fold edges between fold base and fold peak. The support section has a height extension perpendicular to the filter medium surface that increases in longitudinal direction of the support section from fold base to fold peak. The support section has a free side facing away from the filter medium surface. The support section has a width extension parallel to the fold edges. The width extension decreases parallel to the filter medium surface and perpendicular to the longitudinal direction from fold peak to fold base.

Abstract: A filter device comprises a filter element in a filter housing, wherein the filter housing is to be closed by a cover element. A friction section of the cover element, in an intermediate position between closed and open positions, is in friction contact with a friction member while in the closed position of the cover element the friction section is without friction contact with the friction member.

Abstract: A filter element for a pneumatic adjusting arrangement, e.g., a vehicle seat, includes a filter chamber that is fillable with pressure media and includes first and second flexible films connected together along a connecting seam to define the filter chamber. A filter medium for removing particles entrained in the pressure medium is arranged in the filter chamber and separates the filter chamber into first and second chamber regions. The pressure medium may flow into the first chamber region via a pressure medium inlet line, flow into the second chamber region via the filter medium, and flow out of the second chamber region via at least one pressure medium outlet line. By realizing the filter element or the filter chamber thereof from flexible films, the filter element can be installed in a space-saving manner and with a form that can be adapted to the situation.

Abstract: A filter assembly and filter element are provided. The filter assembly includes a housing with a filter element disposed therein. The filter assembly also includes a separate and removable inlet tube which projects from an interior of the housing to an exterior of the housing through an opening in a lid of the housing. The filter element includes a ring of filter media with upper and lower end cap constructions attached to opposed ends of the ring of filter media. The upper end cap construction includes a base portion and an axial seal portion extending axially from the base portion. The lower end cap construction includes a support ring and a resilient portion.

Abstract: Provided is a filter that filters air flowing from the filter to a downstream component, while preventing fluid from flowing from the filter to the downstream component and preventing a substance, such as urea or fuel, entering the filter from the downstream component from degrading the filter element in the filter. The filter includes a filter element having an interior surface defining an inner chamber and a standpipe extending through the inner chamber and terminating at a point that allows air that flows from outside the filter element through the filter element and into the inner chamber to flow into the standpipe and out of the filter, while preventing fluid flowing from the opposite direction through the standpipe from entering the filter element.

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: A gas distributor for a granular moving-bed filter comprises a distribution module, arranged inside a granular moving-bed filter. The distribution module comprises at least one flow-distributing curtain to be used for allowing a turbulent gas flow with dust mixed therein to flow therethrough, resulting that before the turbulent gas flow enters the granular moving-bed filter, the turbulent gas flow is transformed into a more uniformly distributed gas flow and the dust contained therein are partially filtered out.

Abstract: A duplex fluid filter assembly allows extended life between filter replacements, by automatically back-flushing one filter unit with clean fluid from another filter unit of the duplex assembly.

Abstract: A porous body consists essentially of a plurality of ceramic particles having an average size ranging from 8 to 100 nm. The ceramic particles are bonded to adjacent ceramic particles with a strength sufficient to render the porous body self-supporting. The porosity ranges from 30 to 70 vol. % and the average pore size ranges from 5 to 50 nm. The porous body may be manufactured by preparing a dispersion comprising the ceramic particles and a polymer matrix material in a solvent, removing the solvent by heating and/or evaporation, forming a preform of the dried material, and firing the preform to remove the polymer matrix material and bond the ceramic particles to each other. The porous body is useful as a filter element in a system adapted to remove nanoscale particles from a fluid stream.

Abstract: Disclosed is an air filter element (200) for insertion into an air filter housing, comprising an intake surface (275), a discharge surface (285), a filter medium (210), and a filter element-retaining device (240) which extends along at least a section of the periphery of the filter medium (210), between the intake surface (275) and the discharge surface (285), and which includes a retaining arrangement (270) that radially projects from the filter medium (210).