Abstract: The invention relates to a filter system (10), particularly for an internal combustion engine, comprising a filter element (18) having a filter medium (20) that in particular is folded in a star shape, the filter medium having a coaxial form, and having at least one end and sealing body (22) that is made from an elastic potting compound and is disposed on a front of the filter medium (20). At least part of a support body (40) is embedded in the elastic potting compound of the end and sealing body (22).

Abstract: A filter element and filter apparatus, and a method for fabricating a filter element, include a filter element having alternating layers of a face sheet material and a convoluted filter material, with the alternating layers forming substantially longitudinally oriented flutes that extend axially along, or past, a radially acting seal, into previously unused portions of the cavity of a filter housing. In some embodiments, structures such as struts extending partially across an outlet end of the filter element, or a rigid web formed by a layer of resin extending axially a potted length into pome of the flutes from the outlet end resist axially oriented pressure forces on the alternating layers.

Abstract: A filter element arrangement is provided which includes a media pack including 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: Methods, techniques, and constructions are provided for use to apply an evacuation valve arrangement on an air cleaner assembly that is configured for pulse jet operation. An example evacuation valve arrangement is provided which comprises a valve member in the form of a sleeve that extends completely around a sidewall portion of an air cleaner housing of a pulse jet air cleaner. Examples are depicted in which the sidewall portion can comprise: a portion of a housing sidewall section that surrounds an installed filter cartridge, in use; a portion of an access cover; or, a drop tube secured to a portion of the housing, for example either on an access cover or on another portion of a housing. Specific features and alternatives are described. Also, methods of assembly and operation are described.

Abstract: A vaporized fuel treatment apparatus having comprising a first adsorbent having a honeycomb structure capable of adsorbing and desorbing vapor contained in fuel evaporation gas, a case configured to house the first adsorbent therein, and a holding device configured to elastically hold the first adsorbent within the case. The first adsorbent has a circumferential surface and at least one end surface intersecting with the circumferential surface at a corner portion. The holding device comprises a holding member having a first portion and a second portion configured to contact with the circumferential surface and the at least one end surface, respectively. The holding member does not contact with the corner portion of the first adsorbent. The vaporized fuel treatment apparatus can include a sealed container disposed in a canister for controlling temperature alteration in the canister.

Abstract: A filter element comprises a pleated filter (10), one end of which is received in an end cap (11), which is made up of a unitary moulding comprising an end part (21) of a harder plastics material, and a lower part (22) of a softer plastics material, the plastics being compatible or of the same composition, differing only in hardness. A groove (24) engages with a support plate (14), the groove being formed in the softer material abutting the harder material so that the latter forms one face of the groove. A perforated support sleeve (29) can be inserted by dropping into the filter, and an end cap (12) at the other end of the filter either closes the end or is adapted for connection to a further similar filter.

Abstract: An air cleaner and preferred components for an air cleaner are provided. In one arrangement, the air cleaner includes a band or cassette component, configured for removably receiving a z-filter media pack therein, during use. In another arrangement, the band is permanently mounted of the media pack. Air cleaner arrangements configured for use of the cassette or band therewith included an arrangement with a central housing section for receipt of the main filter cartridge and cassette, and which has thereon a mounting arrangement with 3 mountable sides. Preferred precleaner arrangements and outlet tube arrangements can be secured to the center housing section.

Abstract: The present disclosure relates to radial wall flow particulate filters comprised of ceramic material. The filters include a filter body that has a plurality of adjacent troughs circumferentially arranged around a longitudinal axis.

Abstract: A filter assembly, having a housing including a housing bottom portion; at least one ring filter element that is received by at least one receiving space defined at least in part by the housing, wherein the receiving space includes a receiving space bottom portion; a cover attached to the housing bottom portion and configured for at least partially enclosing the at least one receiving space and the ring filter element, wherein the at least one receiving space may be selectively emptied when the cover is removed; an outlet located at the receiving space bottom portion within the cover; and a closure located on the at least one ring filter element, wherein the closure is configured to at least partially close the outlet when the at least one ring filter element is inserted into the at least one receiving space.

Abstract: An apparatus for collecting smoke and dust with a deodorizing function which has excellent capability for maintenance and an improved deodorizing and silencing effect, the apparatus having a housing and a bulkhead having an opening and disposed in the housing to separate a space for deodorizing and filtering exhaust gas from a space for discharging exhaust gas, a vacuuming device for vacuuming exhaust gas disposed in the space for discharging and communicating with the opening of the bulkhead, a filtering device for filtering exhaust gas disposed in the space for deodorizing and filtering and communicating with the vacuuming device through the opening of the bulkhead, and a deodorizing device for deodorizing the exhaust gas concentrically disposed at an outer side of the filtering device.

Abstract: An intake filter for an internal combustion engine for a motor vehicle including an unfiltered air intake region, a filter medium and a filtered air conduit, in which the unfiltered air intake region is arranged beneath the engine hood of the motor vehicle and is attached to the engine hood. The filter medium is tubular body which has a porosity that ensures a sufficient filtration of the intake air for the internal combustion engine.

Abstract: A filter formed by the following steps is provided.

Abstract: A filter device comprises a filter element that is comprised of at least two radially nested filter bellows, wherein at least one filter bellows is to be flown through in the radial direction and a flow space for the fluid is formed between the filter bellows. Each filter bellows is embodied as a star-shaped filter with filter folds arranged in a star shape. On at least one end face of the filter element a sealing ring is arranged between a filter bellows and the filter housing.

Abstract: A fluid filter includes a base plate, a canister, and filtering media contained in the canister for filtering fluid from an inlet port to an outlet port. Notches are formed into an outer periphery of the base plate. An annular bead of the canister side wall is partially formed into the notches to provide a torque locking mechanism between the base plate and the canister. The terminating lip portion of the canister is wrapped around the outer face of the base plate and formed into an annular trough to directly secure the base plate to the canister. The annular trough includes a diverging outer wall that provides a narrow contact interface between the terminating lip portion and the retention corner of the base plate to thereby reduce moment loads induced therebetween as a result of high fluid pressures in the filter.

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 element having a frame defining an interior volume and having exterior surfaces. Filter media is mounted within the frame so as to allow fluid to enter an upstream side of the media and exit a downstream side of the media. At least one component of a multi-component filter frame seal, the at least one component being positioned on an outer surface of the frame and substantially circumscribing the filter frame at a location selected to align to a complementary component of the multi-component filter frame seal. The complementary component is provided separately from the filter element.

Abstract: An assembly for collecting material that is entrained in a gas stream comprises a housing defining a space within it, the housing having inlet and outlet ports for the gas that is to be filtered. The assembly includes a flow conduit which has a first conduit opening for communication with one of the ports and a second conduit opening for communication with the space within the housing. The axis of the first conduit opening and the axis of the second conduit opening are not aligned. The flow conduit contains at least one vane positioned within it so that the flow of gas along the conduit between the first and second conduit openings passes over the vane and is smoothed by it.

Abstract: A filter element is provided with a space-effective construction facilitating efficient space utilization in applications of constrained space requirements.

Abstract: A filter assembly includes a filter element mounted in a housing at a sealing interface provided by an integrally molded seal.

Abstract: A filter assembly having a filter head having inlet and outlet ports and a top cap having a substantially curved, non-planar flange portion, the non-planar flange sealingly received within the filter head such that the filter head is divided into inlet and outlet partitions. In some embodiments, the flange portion has a generally s-shaped cross-sectional profile. The flange portion incorporating a modified venturi for improved flow of both inlet and outlet streams through the filter assembly.

Abstract: The invention relates to a filter element, consisting of a filter medium (10) that is pleated in a zigzag manner and has a concentric form, and an end disk (11) disposed on a front, and a second end disk (12) disposed on the opposite front, wherein the end disk (12) has a concentric opening (13) and extends substantially annularly across the pleats of the filter medium. The end disk (12) has a ring collar (14) extending radially toward the outside. The ring collar (14) has a seal (15) that surrounds the ring collar at least partially, wherein the seal has an axially extending region, which carries radially peripheral sealing lips (17), and said radially peripherals sealing lips are supported in a groove (18) or in a housing wall (19) of a housing receiving the filter element.

Abstract: Z-filters capable of cleaning particulate matter from airflow streams in dust collectors, including reverse flow, reverse air, and reverse pulse systems.

Abstract: The invention relates to a filter element consisting of a filter medium (10) which is folded in a zig-zag manner and designed in a concentric shape. End plates (11, 12) are arranged on the end sides of the medium. End plate (12) has a concentric opening as well as a first annular ring (14) and a second annular ring (15), and a sealing groove (16) arranged between the rings. A reinforcement plate (17) is arranged in the area between the filter medium and the rings (14, 15). The end surfaces (18, 19) of the rings (14, 15) are supported by the grooves (20, 21) of a filter element housing, the grooves running radially.

Abstract: The air filter element may include an inner metal liner, an outer metal liner, a filter media, an annular end cap, and a composite end cap. The annular end cap is formed over the metal liners such that the metal liners are secured and at least a portion of the filter media is sealed. The composite end cap has a foamed urethane portion and a rigid urethane portion. The foamed urethane portion, which has a central aperture and stand-off apertures, is molded about the central aperture and the stand-off apertures such that the metal liners are secured, at least a portion of the filter media is sealed, and urethane flashing occurs proximate one or more of the central aperture and an outer liner periphery. The rigid urethane portion is molded over the foamed urethane portion such that the stand-off apertures are filled, blocked, and/or sealed.

Abstract: A manually guided implement having a tool driven by an internal combustion engine, which draws combustion air in via an air filter disposed on an air filter base. The air filter is secured to the implement via a releasable securement device that includes a first securement element, and a second securement element that cooperates with the first securement element. The securement elements can be released from one another, or connected to one another, by means of a rotational movement about an axis of rotation. To achieve easy handling of the air filter, the first securement element is fixedly connected to the air filter.

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 includes a filter media pack and an axial seal member configured to axially seal against a filter housing. The axial seal member may be supported by and attached to the filter media pack by a media pack seal member. Alternatively, the axial seal member may be carried by a frame, which is attached to the filter media pack by the media pack seal member.

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 apparatus having an element configured as a tubular filter, which is mounted in a carrier tube such that an annular space for fluid flow is formed between the outer surface of the tubular filter element and the inner surface of the carrier tube. The tubular filter is releasably mounted inside the carrier tube such that it can be pulled by one end out of the carrier tube and a second tubular filter element connected to the opposite end of the filter element being pulled out can simultaneously be pulled into the carrier tube.

Abstract: A dust collection container for power tool with suction capacity is described comprising a first pipe (15) for air inlet and at least one second pipe (20) for air outlet, i.e. connected to the external environment, the dust container (13) comprising a filtering element (22) placed inside an external casing (14). The container further comprising a bladed element (100) accommodated in the external casing (14) and being adapted to increase the air turbulence. The shape of the space comprised between the filtering element (22) and the external casing (14) determines a cyclonic type air motion.

Abstract: The invention relates to a filter element consisting of a filter medium (10) that is pleated in a zigzag manner and has a concentric shape, and a first end disk (11) and a second end disk (12) disposed on an opposite front, wherein the end disk (12) has a concentric opening (13) and extends substantially annularly across the pleats of the filter medium. The end disk (11) has a ring collar (14) extending radially toward the outside. Said ring collar (14) has a seal (15) that surrounds the ring collar at least partially, wherein the seal has an axially extending region, which carries radially peripheral sealing lips (17), and said radially peripheral sealing lips are supported in a groove (18) or in a housing wall (19) of a housing receiving the filter element.

Abstract: In a filter housing (100) for at least one axial flow filter element (70) capable of receiving axial flow between its end faces and having at least one continuous sealing collar on its outer circumference which can be pressed against a sealing flange (17) on the housing, a plurality of filter elements (70) can be inserted side by side into cutouts (19) of a common clamping frame element (30). Each of the sealing collars rests on the clamping frame element (30) which is plane parallel to the at least one sealing flange (17) and displaceable toward the sealing flange (17) by a clamping device (50).

Abstract: A filter assembly is configured to be incorporated into an exhaust treatment device. The filter assembly comprises a frame, a filter media element, and a plurality of dividers supporting the filter media element within the frame. The frame has a first end and a second end defining a frame length therebetween. The filter media element is disposed within the frame and extends generally perpendicular to the frame length as a series of pleated contours. The plurality of dividers includes a first divider and a second divider. The first divider is disposed adjacent to the filter media element at the first end of the frame. The second divider is disposed adjacent to the filter media element at the second end of the frame.

Abstract: The invention relates to a method of manufacturing a filter element for use in connection with e.g.

Abstract: A filter arrangement includes a media construction comprising a corrugated sheet secured to a flat sheet rolled into a coiled construction. A frame and a first seal member are provided. The frame secures the first seal member to the coiled construction. The first seal member is preferably oriented to form a radial seal with a housing. A second seal member is secured to the outer annular surface of the coiled construction. The second seal member includes a gasket extension having first and second opposite ends; an attachment portion; and a protrusion extending from the attachment portion. The second seal member is preferably oriented to form an axial seal with a housing. Air cleaners preferably utilizing filter arrangements as described herein operably installed within housings. Methods of installing, filtering, assembling, and servicing preferably include arrangements as described herein.

Abstract: A fiber bed mist eliminator has a fiber bed which is formed of a composite fiber bed collecting media strip including a collection layer which is not subjected to needle punching. The fiber bed can be made very thin while retaining high efficiency in removing small particles of aerosol from a gas stream passing through the fiber bed. The fiber bed collecting media strip lends itself to be applied to the mist eliminator by spirally wrapping the element onto the mist eliminator. The fiber bed collecting media strip can overlap itself to seal at the locations where the fiber element overlaps itself. The fiber bed collecting media strip can be provided to the field in different formats for use in making a mist eliminator fiber bed.

Abstract: A filter element comprising a filter jacket, a fluted filter media, and an internal seal is provided. The filter jacket defines a filter jacket inner surface, a gravitational bottom, an upstream end, and a downstream end. The filter jacket includes a moisture release aperture disposed proximate the gravitational bottom. The fluted filter media resides within the filter jacket and defines a filter media outer surface. The fluted filter media comprises a planar sheet and a fluted material intermittently bonded together and collectively coiled to form a plurality of flutes. First and second selected ones of the plurality of flutes are closed proximate the upstream and downstream ends, respectively. The internal seal is formed between the filter jacket inner surface and the filter media outer surface. The internal seal is disposed within the filter jacket between the upstream and downstream ends. The moisture release aperture is located upstream of the internal seal.

Abstract: A filter element has first and second subelements providing increased media providing improved performance and packaging options. The first and second subelements provide first and second flow paths in parallel with each other along designated flow path portions.

Abstract: A method and apparatus are provided for constructing a filter element, having enhanced structural capabilities, through use of a molded end cap having first and second foam portions of differing physical properties meeting at a common juncture of the first and second foam portions and simultaneously cured with one another.

Abstract: An air cleaner arrangement or assembly is provided. The air cleaner arrangement includes a serviceable filter cartridge. The air cleaner assembly also includes an arrangement for positioning the filter cartridge into a preferred, sealing, orientation and for securing the filter cartridge in that location. Preferred serviceable filter cartridges are provided, as well as methods of assembly and use.

Abstract: A filter element for removing particles from a particulate laden fluid stream includes, in an exemplary embodiment, a filtration media formed into a tubular configuration and that a plurality of circumferentially spaced apart pleats. The filter element also includes at least one melt-extruded retention strap extending circumferentially around the filtration media to limit radial movement of the filtration media at operating temperatures up to about 500° F. Each melt-extruded retention strap is formed from a melt extrudable amorphous thermoplastic polyimide.

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. An optional mechanical interlock, operated with a non-threaded, movement of the cartridge, is provided between the primary filter cartridge and the housing. 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 adaptable dual direction, differential pressure assembly is disclosed. Solenoid valves release controlled bursts of air into a top of a container. A rate of the controlled bursts of air is partially responsive to a pressure differential between atmospheric pressure and that of compressed air in the reservoir. A pleated filter is fitted inside of the container. The pleated filter has an inner wall and an outer wall and has pleatings separated using hot melt glue beads there between. The controlled bursts of air are programmed to be substantially automatically responsive to one or more pressure differentials between an inner wall and an outer wall. In one embodiment, air is drawn from the blower through the pleated filter from the inner wall to the outer wall until a desired pressure differential is achieved.

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

Abstract: 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: An air cleaner assembly is provided, which is configured for alternate installation therein of different sized filter cartridges. Features of the air cleaner assembly and components for use therewith, are described. Also methods of assembly and use are described.

Abstract: A filter element (1), which is formed particularly of a flat element wrapped into a compact body and which along its outer circumference has at least one continuous main sealing ring (2) disposed adjacent an end face (4) on the intake side, is provided with an additional emergency sealing collar (3) which encloses the filter body and is disposed near the end face (5) on the outlet side.

Abstract: The present invention relates to an air filter unit (1) having the shape of a tube comprising a top plate (6), having an air inlet (7) leading into the interior of the tube, whereby the top plate (6) includes fasteners (13) for removably attaching said air filter unit to a wall (2) so that the air inlet of the top plate is concentrically disposed in relation to an opening in said wall, and a sealing ring (14,15) of a resilient material surrounding the air inlet in the top plate. According to the present invention, the top plate (6) includes at least one protrusion (16) on the side thereof facing said wall (2) in use, the height of said protrusion (16) being less than the distance with which the sealing ring (14,15), when not subjected to load, projects out from the surface of the top plate.

Abstract: A filter element has a resiliently compressible end cap at a first axial end sealing the filter and providing sealed engagement with a flow tube.

Abstract: A filter element has a resiliently compressible end cap at a first axial end sealing the filter and providing sealed engagement with a flow tube. A filter assembly comprising a filter media element having a first end and a second end, a first end cap disposed at the first end, and a second end cap disposed at the second end. The filter media element is shaped to form a hollow interior extending from the first end to the second end. The hollow interior defines an inner boundary of the element and the outer surface of the element defines an outer boundary. The second end cap covers both the filter media element and the hollow interior at the second end.