Abstract: A filter assembly, including an air cleaner assembly for an internal combustion engine in an underhood engine compartment, includes a mounting bracket with a flow passage therethrough. In one form, a combination air filter element and base is provided for an air cleaner assembly. In a further form, a filter assembly includes a filter element integrally and permanently mounted to the base for removal and replacement as a single unit.

Abstract: According to the present disclosure, air cleaner assemblies, components, features and methods are described. A filter cartridge is characterized, that can be conveniently used as part of the system ensuring that a proper cartridge is installed in the housing, in a proper radial orientation and in a manner such that cartridge rotation is inhibited, in spite of the use of a radial seal. The cartridge can be configured to also be used with a housing that includes a utility conduit in an exterior surface thereof. Advantageous features and methods of assembly and use are described.

Abstract: A crankcase ventilation filter assembly and components therefor, are described. In an example arrangement, the crankcase ventilation filter assembly is configured to be serviced from either the top or the bottom. A rotational indexing arrangement is to ensure appropriate orientation of an internally received filter cartridge, and other components of the arrangement are provided. Methods of assembly, servicing and use are described.

Abstract: An air filtration media pack is provided having a plurality of layers of single facer media. The layer of single facer media includes a fluted sheet, a facing sheet, and a plurality of flutes extending between the fluted sheet and the facing sheet and having a flute length extending from a first face of the filtration media pack to a second face of the filtration media pack. A first portion of the plurality of flutes are closed to unfiltered air flowing into the first portion of the plurality of flutes, and a second portion of the plurality of flutes are closed to unfiltered air from flowing out of the second portion of the plurality of flutes so that air passing into one of the first face and the second face of the media pack and out the other of the first face and the second face of the media pack passes through media to provide filtration of the air. The fluted sheet includes repeating internal peaks facing toward the facing sheet and repeating external peaks facing away from the facing sheet.

Abstract: A filter element (1) for fluid filtration has a hollow-cylindrical filter medium (2) folded in a star shape, an outlet-side end plate (3) and a second end plate (4), a hollow-cylindrical supporting mesh (5) disposed in the interior (6) of the filter medium, wherein at the outlet-side end of the filter element, the supporting mesh has a connecting region (11) in which the supporting mesh (5) is provided with a coupling element (7). In the connecting region (7) the supporting mesh (5) includes a radially outwardly projecting collar (8) protruding beyond the outlet-side end face (9) of the filter medium. The outlet-side end plate (3) encloses the outlet-side end face (9) of the filter medium (2) and the collar (8) and has an annular axial seal (10).

Abstract: The invention relates to a filter device for filtering gaseous fluids that is provided with a filter insert part that includes a filter medium and a sealing element, wherein the filter insert part is to be inserted into a filter housing. Furthermore, an additional sealing web is provided between the sealing body of the sealing element and the housing part, wherein the sealing element has a common contact surface with the sealing web, wherein the sealing web is offset in the direction of the clean side of the filter medium with respect to the contact surface.

Abstract: A filter element comprises a top frame member, a bottom frame member and a pleated filter assembly received in respective channel sectioned formers comprised by said top and bottom frame members. The formers are integrally bonded with a polyurethane resin core formed in the formers. A mold may include a core member or projections which maintain air passages during molding, and serve to locate the pleats of the filter element in relation to the air passages.

Abstract: A filter element includes a single seamless media pack having first and second opposite ends and first and second lateral sides extending between the first and second ends. The media pack also has pleats extending between the first and second ends and a first cross-section defined between the first and second lateral sides. The first cross-section having at least one outward projection that defines an internal radius of at least ¼ inch wherein a plurality of pleats of the media pack are fanned around the internal radius. A first end cap is secured to the first end of the media pack while a second end cap secured to the second end of the media pack. Additionally, a frame member is secured to the first end cap, second end cap, the first lateral side, and the second lateral side. A pre-filter is usable with described filter arrangements.

Abstract: Z-filter media pack arrangements and methods for providing them are described. The preferred arrangements have a cured-in-place jacket around an outside of a coiled z-filter media combination. The preferred cured-in-place jacket is a mold-in-place overmold which includes, integral therein, a housing seal arrangement. Preferably a cured-in-place center core is used, most preferably one that has opposite concave ends with seal arrangements configured to seal a lead end portion of the coiled z-filter media combination.

Abstract: A filter assembly for filtering fluids includes a housing having a base and a cover having guide structure for assembly. The guide structure may also provide gasket retention.

Abstract: An object is to provide a vent filter in which a vent film is less likely to be broken when cut and a measure to shrinkage is taken while the characteristics and functions both inherent to the vent film are being kept. The vent filter includes a frame-shaped adhesive layer 2 and a vent film 3 attached to the adhesive layer 2, wherein an outer peripheral portion of the vent film 3 is positioned at an outer side than an outer peripheral portion of the frame-shaped adhesive layer 2.

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: 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 includes 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: A filter assembly, panel filter element, and servicing method is provided for reducing inlet flow restriction from a housing inlet into an inlet plenum and reducing outlet flow restriction from an outlet plenum to a housing outlet.

Abstract: In accordance with one embodiment, a filter assembly includes a housing having an inlet for particulate laden gas and an outlet for clean gas. The assembly also has at least one filter being capable of filtering particulate from the gas that is located in the gas flow between the inlet and outlet. The filter assembly further includes a cleaning mechanism for removing particulate from the filter and the filter assembly.

Abstract: Approaches to providing z-filter media constructions are provided. Preferred corrugated media, filter constructions having such corrugated media, and filter systems using such filter constructions are provided. Also, preferred methods of forming filter constructions are provided.

Abstract: An air cleaner arrangement is shown. The air cleaner arrangement includes a serviceable filter cartridge comprising strips of media arranged in a stacked configuration. The strips of media each comprise a corrugated sheet secured to a facing sheet. A preferred filter cartridge positioned within the air cleaner arrangement, is depicted.

Abstract: An air filter cartridge has filter media and a gasket arrangement with a perimeter gasket member against the downstream flow face and a side gasket member adjacent to at least a partial extension of a first side panel. The side gasket member includes no portion against second, third, and fourth side panels of the air filter cartridge. The air filter cartridge can be used in a dust collector having a tubesheet and a frame arrangement extending from the tubesheet. The perimeter gasket member seals against the frame arrangement and the side gasket member seals against the tubesheet.

Abstract: A filter element including an end cap is provided. The end cap includes an annular seal support carrying an annular seal member and a mounting arrangement to seal and support the filter element in a filter housing. The end cap is configure to engage with a mating engagement structure of the housing to provide self alignment feature of the filter element.

Abstract: A filter pack includes a filter construction and a sealing system for sealing the construction within a duct or housing. The filter construction has first and second opposite flow faces and is configured for a straight-through flow. The sealing system includes a frame construction and a compressible seal member. The compressible seal member is molded around a portion of the frame construction. The compressible seal member is sufficiently compressible to form a radial seal between and against the frame construction and a surface of a housing when the filter pack is inserted within the housing.

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. Blocked stacked arrangements and slanted stacked arrangements are shown. Such stacked media is provided with molded end pieces to secure and seal opposite side edges of the media strips. Also described are serviceable filter cartridges and air cleaners including the filter cartridges. Methods of assembly and use are also provided.

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

Abstract: An air filtration device for a compressor is disclosed. A sealing head is fixed onto an opening of the compressor and has a first-end opening, a second-end opening and a screw hole; the first-end opening has a first thread; a sealing cap is coupled to the second-end opening and includes a cover plate, a screw and a first positioning portion; the screw is screwed into the screw hole; an air filter is coupled to the first-end opening and includes a filter core and a filter cover; the filter cover has a second thread and a second positioning portion, and the second threads are engaged with the first threads, and the second positioning portion is positioned on the first positioning portion. When the air filter is rotated, the cover plate is moved with the filter cover to seal or leave the second-end opening.

Abstract: A secondary filter cartridge radially nested within and radially supported by a main filter cartridge. The secondary cartridge has a flexible multi-leg crown “with slits” which engage a receptacle of the main filter element for radial support and a central pin projection interior to the crown extending outwards to protect the crown from impact damage. The main filter cartridge bottom end disk has axially extending, spaced apart projections engaged into matching pockets or gaps provided between engaging inward projections on an interior end face of the filter housing, rotationally fixing or locking the filter housing and the main filter cartridge. The main filter cartridge includes an anti-rotation housing engagement member extending through a filter housing wall to the exterior indicating presence of a properly installed filter cartridge and rotatably locking position of the housing and main filter cartridge.

Abstract: A filter element has a reinforcement band or ring along at least a portion of the perimeter thereof and performing a support function thereat preventing or minimizing damage upon attempted percussive cleaning of the filter element by service personnel striking the perimeter against an impact surface. Alternatively, a failure band or ring is provided along at least a portion of the perimeter and performs a designated failure function to a failure condition thereat upon attempted percussive cleaning, with the failure condition providing at least one of: a) an indication to service personnel that the filter element has been damaged and should not be re-installed; and b) a deformed condition preventing re-installation.

Abstract: Fluted filter media includes filter material having a plurality of flutes formed therein having alternating ends of adjacent flutes closed to force fluid through filter material. A first embodiment of the filter media includes tapered flutes which have the open ends of the flutes larger in cross-section than the closed flutes, wherein the upstream open flutes converge toward the downstream end and the upstream closed end flutes diverge toward the downstream end. A second embodiment includes filter media which is asymmetric formed with dissimilar upstream and downstream flute cross-sections with larger flute openings to the upstream side of the filter. A third embodiment includes filter media with an upstream edge crushed to improve flow at the upstream edge. A fourth embodiment includes filter media with the upstream sealing material recessed from the upstream edge for reducing effects from blockages at the upstream edge of the filter.

Abstract: Disclosed are sealing apparatuses having a sealing gland for an O-ring, the sealing gland comprising a primary gland and an auxiliary gland located below the primary gland. The apparatuses may be utilized for filter cartridges in filter systems.

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: A sealing arrangement is provided in which a seal flange includes a seal flange body having an integrated electrically conductive seal integrated onto an outer circumferential edge of the seal flange body. The seal flange with integrated seal is installable to seal between two confronting mounting flange faces. The seal is operative to conduct electric charge between said seal flange body and said mounting flanges.

Abstract: A filter device has a housing assembled of a housing bottom part and housing top part. A filter element is inserted into the housing and is made of a filter medium. A locking device connects the filter element with the housing bottom part and the housing top part in a mounted position of the filter element inside the housing. The locking device has a locking element connected to the filter element. The housing bottom part and the housing top part each have locking parts, wherein the locking element engages the locking parts on the housing bottom part and the housing top part.

Abstract: An air cleaner having a housing body and a removable cover and a filter element, in which the cover and the filter element rotationally interfere with each other by engagement between an inside surface of the cover and an outer radial periphery of the filter element. A filter element includes a pair of end caps, filter media, and an outer wall on the end cap circumscribing the filter media, in which the outer wall is non-circular. A method of installing a filter element into a housing includes orienting a cover over an element and a housing body by engaging an inside surface of the cover and an outer radial periphery of the filter element to rotationally interfere with each other.

Abstract: In a filter element (10) having a filter bellows (11) which is covered at each end by an end disk (13, 14), the end disks (13, 14) are each provided with at least one coupling element for coupling to a filter housing (20) and connected to one another via at least one central tube (12) spanning the filter bellows (11). Alternatively, a central tube which runs right through and onto which end disks and filter bellows are pushed and which is configured at its ends for coupling with parts of the housing is present.

Abstract: A holding sealing material includes a mat, an inorganic binder and an organic binder. The mat includes inorganic fibers and has an upper part, a center part, and a lower part in a thickness direction. The inorganic binder is loaded on the mat. The organic binder is loaded mainly on the upper part and the lower part of the mat. The holding sealing material is disposed between an exhaust gas-treating body and a casing for housing the exhaust gas-treating body to form an exhaust gas purifying apparatus.

Abstract: A motor-vehicle air cleaner comprises the filter assembly, an air-cleaner housing configured to fittably and removably accommodate the filter assembly and to enclose the main filter and the auxiliary filter separately when the filter assembly is accommodated in the air-cleaner housing. The motor-vehicle air cleaner further comprises a flow restrictor configured to restrict air flow to the auxiliary filter.

Abstract: A method and apparatus for reinforcing a tubular-shaped sealing collar, extending from a filter cartridge are provided, by embedding, or substantially encapsulating, a reinforcement element within the tubular-shaped sealing collar, for resisting a change in circumference of at least a portion of the tubular-shaped collar. The collar may be formed from a resiliently compressible foam material, and the reinforcement element may be formed from a substantially non-compressible material.

Abstract: A V-bank air filter having a high air flow rate with low pressure drop is provided. In one embodiment, a V-bank filter includes a housing having a first pair and a second pair of pleated filter elements arranged in a vee configuration and comprising a unitary disposable filter. A centerline defined by the first pair of pleated filter elements defines an acute angle with a centerline defined by the second pair of pleated filter elements.

Abstract: An air filter and dust collector are provided. In one embodiment, the air filter includes a filter element coupled at a first end to a end cap and at a second end to a first side of a rectangular filter flange assembly. The rectangular filter flange assembly includes a central aperture open to an interior region bounded by the filter element. A rectangular gasket is disposed on the second side of the filter flange assembly and circumscribes the central aperture.

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 secondary filter cartridge radially nested within and radially supported by a main filter cartridge. The secondary cartridge has a flexible multi-leg crown “with slits” which engage a receptacle of the main filter element for radial support and a central pin projection interior to the crown extending outwards to protect the crown from impact damage. The main filter cartridge bottom end disk has axially extending, spaced apart projections engaged into matching pockets or gaps provided between engaging inward projections on an interior end face of the filter housing, rotationally fixing or locking the filter housing and the main filter cartridge. The main filter cartridge includes an anti-rotation housing engagement member extending through a filter housing wall to the exterior indicating presence of a properly installed filter cartridge and rotatably locking position of the housing and main filter cartridge.

Abstract: To provide a humidifying membrane module that is reduced in weight, size and cost by making a case in a single layer structure, the humidifying membrane module has a hollow fiber membrane bundle constructed from plural hollow fiber membranes, a case accommodating the hollow fiber membrane bundle, a first flow passage extending through hollows of the hollow fiber membranes, and a second flow passage extending through the outer surface sides of the hollow fiber membranes, the membrane bundle and the case are simultaneously integrated at both ends of the membrane bundle by using potting members sealing gaps between the membrane bundle and the case, an inlet and an outlet constructing the first flow passage are formed at the both ends of the case respectively, and an entrance and an exit constructing the second flow passage are formed in side surfaces near the both ends of the case respectively.

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: According to the present disclosure an air cleaner and air filter cartridge arrangement is provided. The air filter cartridge is a removable and replaceable cartridge for use in the air cleaner. The cartridge includes, among other things, an end cap having a preferred outwardly directed radial seal and a groove. The air cleaner includes a housing with a ring projecting into an interior, positioned to project against an end of the filter cartridge, when the filter cartridge is mounted for use. Methods of assembly and installation are described.

Abstract: A filter assembly for filtering fluids includes a housing having a base and a cover having guide structure for assembly. The guide structure may also provide gasket retention.

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: The invention relates to a filter unit for filtering gaseous fluids, comprising a filter insert part with a filter medium and a sealing element, said element being clamped between sealing struts on parts of the filter housing. The clamping force produced by the sealing struts that lie opposite one another runs at least approximately perpendicularly to the mounting direction of the housing parts.

Abstract: A crankcase ventilation filter assembly and components therefor, are described. In an example arrangement, the crankcase ventilation filter assembly is configured to be serviced from either the top or the bottom. A rotational indexing arrangement is to ensure appropriate orientation of an internally received filter cartridge, and other components of the arrangement are provided. Methods of assembly, servicing and use are described.

Abstract: An equipment component system including an equipment component structure having a first unit and a second unit and an intumescent paint or sealant on said equipment component structure. The intumescent paint or sealant provides sealing or prevents warpage or deformation or separation of a equipment component or sub-component in a fire or at high temperatures. The intumescent paint can shut a gap in a fire or at high temperatures. The intumescent paint can also pen a gap in a fire or at high temperatures so that fluid flow is preferentially directed one route versus another.

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: A mat member includes an inorganic fiber, an organic binder, and a material which expands at a temperature of approximately 130° C. to approximately 200° C.

Abstract: A filter assembly comprising a filter head having inlet and outlet ports; a filter bowl attached to the filter head, wherein the filter bowl has a drain hole located at the bottom of the filter bowl for draining fluids; a filter element housed within the filter bowl, the filter element including a barrier of filtration media, a drain layer and at least one support tube; wherein a pressure differential exists across the filter element; a bottom cap that seals fluid within the filter element; a top cap having a non-planar flange portion, wherein the flange portion has a substantially curving, generally s-shaped cross-sectional profile, the non-planar flange sealingly received within the filter head such that the filter head is divided into inlet and outlet partitions; wherein the top cap directs fluid from the inlet port into the filter element, where the fluid flows through the barrier of filtration media and then out of the assembly through the outlet port; and, a float drain component attached to the base of