Abstract: A water separator reduces a water content of an air stream, which is used in an HVAC unit for a vehicle. The water separator includes a diverter wall and an adjacent wall spaced from the diverter wall to define an air passage. The diverter wall has a terminal end extending into the air passage for changing a direction of the air stream to reduce the water content of the air stream. A filter assembly is disposed through a receiving slot in the diverter wall and is within the air passage downstream of the terminal end.

Abstract: A spring loaded filter clamping frame includes a rear frame section which defines an interior space to secure a filter element. The rear frame section includes a projection extending toward the interior space and a rear latch mechanism. A front frame section defines an interior space and is slidably engaged with the rear frame section. An aperture in the front frame section interacts with the projection. A front latch mechanism with a latch mechanism biasing member interacts with the rear latch mechanism. A frame biasing member is located between the rear frame section and the front frame section. The frame biasing member applies a force urging the rear frame section and the front frame section apart, resulting in a filter clamping frame. In further examples, the frame biasing member is a coil spring and the latch mechanisms are hooks.

Abstract: A method of assembling a filter replacement assembly for use with a gas turbine engine. The method includes coupling a first container to a filter wall that is included in an inlet air treatment system. The first container defines a first cavity that is sized to receive at least one filter. A second container is coupled to the first container. The second container defines a second cavity that is sized to receive the at least one filter therein.

Abstract: A filter device (10), especially an air filter for an internal combustion engine, includes a main filter element (22) arranged in a filter housing (12). The main filter element is flown through by a fluid to be filtered. The main filter element (22) is a multi-bellows filter having nested filter bellows (32, 34). Between the filter bellows (32, 34) a flow space (44) for the fluid is formed communicating with an end face of the main filter element (22), wherein each one of the filter bellows (32, 34) is embodied as a star-shaped filter with filter folds arranged in a star shape. On at least one end face of the main filter element (22) there is a seal (36) between one of the filter bellows (32, 34) and the filter housing (12).

Abstract: An air cleaner includes a housing and an access cover. The internal volume of the housing can be reached through an opening in a side wall of the housing. A filter element having fluted filter media is removable and replaceable from the air cleaner. The housing is constructed and arranged to cam the element into sealing engagement with the housing. The access cover includes structure to help support and ensure proper seating of the filter element within the housing. A method of installing the filter element in the air cleaner includes sliding a portion of the filter element against a slide surface in the housing. A method of servicing an air cleaner includes tilting the filter element against a tilt surface in the housing to release a seal between the filter element and the housing. The filter element can have a handle to assist in servicing of the air cleaner.

Abstract: An air conditioning system duct housing has a plurality of walls coupled together, having at least one outside air intake, at least one return air intake and an air supply outlet channel; a filter; and a receiving aperture (mixed air plenum) to receive the filter therein, wherein the receiving aperture (mixed air plenum) is interposed between the at least one outside air intake, the at least one return air intake and the air supply outlet channel.

Abstract: Embodiments of the invention generally provide a filter frame assembly adapted for clamping in a housing is provided. The frame assembly includes a frame having a downstream frame member coupled to a cross-member, the downstream frame member and cross-member adapted to fit within the housing. At least two clamp mechanisms are coupled to frame assembly. Each of the clamp mechanisms include a rotatable rod coupled to a handle which is used to displace the frame assembly. The handle is configured to be clear of a filter receiving aperture defined above the cross-member when the handle is in both of an open or a closed position.

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

Abstract: A two stage filter device includes a cyclonic pre-separator (10) designed as a pre-filter that separates the particles from the gas flow and a main filter element (20) arranged downstream as a second stage operable to filter by guiding the particles through at least one filter medium (24). The main filter element (20) is received in a filter housing (30). The main filter element (20) includes at least one retaining element (22) for stabilizing the position of the main filter element (20) in the housing (30).

Abstract: A filter housing includes a duct having at least one registration flange and an access port sized to pass a plurality of seating rail assemblies. Each seating rail assembly is releasably engaged with the duct includes a seating flange. By locating the seating rail assembly at a particular distance from the registration flange, a channel of different sizes can be formed for receiving a filter having a corresponding dimension.

Abstract: An air filter and frame that cooperate to require alignment of the filter in a desired orientation in order for insertion to occur. At least one edge of the filter is offset from a right angle relative to other edges and the faces of the filter, and an obstruction is formed in the frame so that the filter can be inserted into the frame in only the desired orientation. Preferably two opposing edges of the frame are angled, and obstructions, such as small rails, are mounted in opposing sidewalls of the frame.

Abstract: Segmented stackable filter assembly for filtering a gas and method of manufacturing same. An exemplary embodiment of the segmented stackable filter assembly comprises a plurality of filter segments stackable end-to-end for varying filtration capacity of the stackable filter assembly. Each filter segment includes an annular outer wire mesh and an annular inner wire mesh spaced apart from the outer wire mesh to define a gap therebetween containing filter media. The inner wire mesh defines a central air flow passage axially through the filter assembly. A lower end plate has an opening for receiving a neck portion upwardly projecting from an adjacent upper end plate, so that both filter segments are prevented from laterally moving relative to each other. A fan assembly is supported by the neck portion for suctioning the gas through the plurality of filter segments.

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: An air cleaner is provided with a housing having an opening, and a filter. The filter has a frame and an element supported to the frame. The filter is installed in the interior of the housing from the opening of the housing. A second seal surface of a seal ring of the filter is joined to a first seal surface of the housing in a state in which the filter is installed in the housing. A rib-shaped protection portion extending along the first seal surface is provided in the housing. The protection portion protrudes further toward the filter than the first seal surface. A slide protrusion protruding further toward the first seal surface than the second seal surface is provided in the frame of the filter. The slide protrusion can slide on the protection portion.

Abstract: A filter frame is removably attachable to a box fan. The filter frame is adapted for receiving a standard HVAC-style filter for removing contaminants from air flow induced by the fan. In this manner, a cost-effective means for filtering a flow of air is provided for residential and commercial settings. The filter frame is adaptable to a variety of standard box fan types of different styles and dimensions. The frame is configured to accommodate standard filters, such as those readily available from retail hardware stores and home centers.

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: The invention relates to a filter system for cleaning the air of an enclosure to be ventilated, especially for fiber-optic equipment. The enclosure includes a ventilation opening and is associated with an insertion shaft located proximate to the ventilation opening. The filter system includes an insertion part including a filter housing for accommodating at least one filter element and further including a handle for inserting the insertion part into the insertion shaft. The filter housing is configured so as to cover the ventilation opening when the filter housing is in a working position within the insertion shaft. The filter system includes an insertion arrangement provided at a first end portion of the insertion shaft for inserting the insertion part into the insertion shaft.

Abstract: A chamber air cleaner apparatus may include a chamber housing mounted through a connector onto an air hose wherein the air hose may be connected to a main air cleaner, an intake duct attached to an outer surface of the chamber housing wherein exterior air may be introduced into the chamber housing through the intake duct, a variable valve pivotally installed in the vicinity of the intake duct and selectively opening according to an air suction pressure applied thereto, and a filter element mounted between the intake duct and the connector within the chamber housing to purify the introduced air through the intake duct.

Abstract: An air cleaner includes a housing and an access cover. The internal volume of the housing can be reached through an opening in a side wall of the housing. A filter element having fluted filter media is removable and replaceable from the air cleaner. The housing is constructed and arranged to cam the element into sealing engagement with the housing. The access cover includes structure to help support and ensure proper seating of the filter element within the housing. A method of installing the filter element in the air cleaner includes sliding a portion of the filter element against a slide surface in the housing. A method of servicing an air cleaner includes tilting the filter element against a tilt surface in the housing to release a seal between the filter element and the housing. The filter element can have a handle to assist in servicing of the air cleaner.

Abstract: A flexible cover having magnetic attachment is provided for sealing openings in a structure such as a heating, ventilation and air conditioning duct, an automobile window, or an automobile door handle or lock. Magnets or another suitable affixing device are attached at the periphery on one side of the cover. Alternatively, the magnets may be attached to one side of the cover by sandwiching the magnets between two opposing flexible covers. Gaps between the magnets permit the flexible cover to attach to objects having a curved or angular conformation. In operation, the cover is placed over the opening preventing the transmission of air, fluid material, or particulate material through the opening.

Abstract: Inline duct filters are disclosed herein. An embodiment of a filter includes a box with an opening in the box, wherein a door is receivable in the opening. A channel is located in the box and proximate the opening, wherein a filter element is receivable in the opening and the channel. At least two air ports are located in the box, wherein an air path extends between the air ports and through the location for the filter element.

Abstract: The invention relates to a filter module (1) for removing air-polluting materials from machine exhaust, comprising a filter housing (2) with an intake opening (5) and an outlet opening (6) for channeling machine exhaust through, at least one mounting element (24) for mounting the filter module (1) on a machine, and a filter assembly (7), arranged in the filter housing (2) and comprised of at least two filter groups (8), arranged in tandem in the direction of flow (3) and comprised of rod-shaped filter elements (10) with a filter medium (20), said elements being arranged parallel to one another at a constant center-to-center distance (9) and with their longitudinal axis largely crosswise to the direction of flow (3), wherein the filter elements (10) of two adjacent filter groups (8) are parallel to one another, and are arranged offset in relation to one another, crosswise to their longitudinal axes and to the direction of flow (3).

Abstract: An air filter for exemplary use with forced air circulation systems includes a modular media core having rigid top and bottom media supports that are connectable with a variety of axial supports to form a high efficiency air filter cartridge useful with many different types of air circulation systems.

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 deep bed scrubber filter section comprises includes an unfiltered air input end, a filtered air output end, an airflow filtration path extending from the unfiltered air input end to the filtered air output end, a plurality of media beds along the airflow filtration path in series arrangement with one another, the media beds each having a media bed volume and each being defined by a plurality of sidewalls, two of the sidewalls of each of the media beds being perforated sidewalls at least partially intersecting the airflow filtration path, wherein an adjustable sidewall of at least one of the perforated sidewalls of a first media bed of the media beds is independently removable from the airflow filtration path and is independently adjustable to a plurality of positions along the airflow filtration path, wherein adjustment of the at least one adjustable sidewall of the first media bed alters the media bed volume of the first media bed.

Abstract: The invention relates to a filtering device, comprising a tubular filter element and a carrier part, with the filter element fastened thereon. The carrier part can be inserted between an unfiltered fluid pipe and a filtered fluid pipe. The pipes can be assembled into a continuous flow pipe, wherein the filter element protrudes into the pipe interior.

Abstract: A filter device (10), especially an air filter for an internal combustion engine, includes a main filter element (22) arranged in a filter housing (12). The main filter element is flown through by a fluid to be filtered. The main filter element (22) is a multi-bellows filter having radially nested filter bellows (32, 34). Between the filter bellows (32, 34) a flow space (44) for the fluid is formed communicating with an end face of the main filter element (22), wherein each one of the filter bellows (32, 34) is embodied as a star-shaped filter with filter folds arranged in a star shape. On at least one end face of the main filter element (22) there is a seal (36) between one of the filter bellows (32, 34) and the filter housing (12).

Abstract: An adapter is provided for placement within a furnace filter bay having a flow of air therethrough. The filter bay is for receiving a furnace filter. The adapter includes a filter abutment face for abutment with at least a portion of the furnace filter, a mounting face parallel to the flow of air and attachment means permitting removable attachment of the adapter to the furnace filter bay. The adapter allows filters of smaller depth than the filters originally designed for use within the filter bay to be used, thereby eliminating the need for purchasing the original filters. A brace is also provided for the same purpose. A kit is described that includes the adapter and/or brace, along with instructions for installation thereof within the filter bay.

Abstract: A bag filtration element and system for its installation in a forced air furnace where the filtration element includes a channel element frame that receives rectangular bag frames fitted thereto that each received an open bag neck end fitted thereto, and the rectangular bag frames are fitted side by side into the channel element frame, whose upper end closes the frame into a rectangle, and, the bag ends are folded around the bag frames sides and connected. A rectangular opening is formed into the plenum of a furnace inlet air duct to extend, at an upward angle, across the rectangular opening, between opposing inner walls of the air duct, and a door is provides for positioning over the duct rectangular opening with the bag filtration element installed therein.

Abstract: The system for decontaminating industrial output gases may process both particulate and gaseous emissions from industrial facilities. The system may be located with or adjacent to an industrial facility or at some distance from the facility. In one embodiment the system includes a subsystem of alternating active and inactive filters, and a wash subsystem cleaning the inactive filters during the cycle. The wash water is captured in a basin for further processing of the chemical particulates therein. Fans located downstream of the filters draw the gaseous industrial output through the filters. Remaining vapor passes to a classification plant where the gases are separated into their constituent elements or compounds. Gases that to are allowed to escape may be burned, and the resulting gases recirculated through the system. Another embodiment is adapted for processing steam, and cools the steam for use as liquid water, rather than allowing it to escape as vapor.

Abstract: Principles, techniques and configurations applicable in air cleaner arrangements and filter cartridges therefore, are described. In general the filter cartridge includes an axial pivot arrangement, for pivoting the filter cartridge in place, when mounted in an air cleaner for use. The air cleaner may include a base pivot, for engagement with the pivot projection on the filter cartridge. Methods of assembly, installation and use are described.

Abstract: A filter housing includes a duct having at least one registration flange and an access port sized to pass a plurality of seating rail assemblies. Each seating rail assembly is releasably engaged with the duct includes a seating flange. By locating the seating rail assembly at a particular distance from the registration flange, a channel of different sizes can be formed for receiving a filter having a corresponding dimension.

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 frame is removably attachable to a box fan. The filter frame is adapted for receiving a standard HVAC-style filter for removing contaminants from air flow induced by the fan. In this manner, a cost-effective means for filtering a flow of air is provided for residential and commercial settings. The filter frame is adaptable to a variety of standard box fan types of different styles and dimensions. The frame is configured to accommodate standard filters, such as those readily available from retail hardware stores and home centers.

Abstract: Air cleaner and preferred components for an air cleaner are provided. In certain arrangements, a band is permanently mounted to the media pack, surrounding the media. Also, the cartridge is non-circular and includes a radial seal thereon.

Abstract: Embodiments of the invention generally provide a containment system having integrated bubble tight-dampers. In another embodiment, the containment system includes an integral auto-scan mechanism disposed in the housing of the containment system so that a filter element, disposed in the housing, may be leak tested without accessing the interior of the housing. In yet another embodiment, a method for testing a filter disposed in a containment system includes challenging an upstream side of a filter element disposed in a housing of the containment system with a test aerosol, and automatically moving a probe disposed within the housing to obtain samples for leak testing.

Abstract: A system comprising a handle having a gripping end and a working end. The system also comprising a filter engagement tool. The filter engagement tool is coupled to the handle. The filter engagement tool has a filter engagement means.

Abstract: An air cleaner includes a housing and an access cover. The internal volume of the housing can be reached through an opening in a side wall of the housing. A filter element having fluted filter media is removable and replaceable from the air cleaner. The housing is constructed and arranged to cam the element into sealing engagement with the housing. The access cover includes structure to help support and ensure proper seating of the filter element within the housing. A method of installing the filter element in the air cleaner includes sliding a portion of the filter element against a slide surface in the housing. A method of servicing an air cleaner includes tilting the filter element against a tilt surface in the housing to release a seal between the filter element and the housing. The filter element can have a handle to assist in servicing of the air cleaner.

Abstract: The invention relates to a filter system for cleaning the air of an enclosure to be ventilated, especially for fiber-optic equipment. The enclosure includes a ventilation opening and is associated with an insertion shaft located proximate to the ventilation opening. The filter system includes an insertion part including a filter housing for accommodating at least one filter element and further including a handle for inserting the insertion part into the insertion shaft. The filter housing is configured so as to cover the ventilation opening when the filter housing is in a working position within the insertion shaft. The filter system includes an insertion arrangement provided at a first end portion of the insertion shaft for inserting the insertion part into the insertion shaft.

Abstract: A filter for internal combustion engines, includes a rigid external casing provided with at least an inlet for a fluid to be filtered and an outlet for the fluid when filtered, and a filter cartridge located internally of the external casing, which includes a plurality of tubular filter walls arranged parallel to one another which are destined to be crossed by the fluid flowing from the inlet towards the outlet of the external casing; the external casing being conformed such as to delimit a pouch a transversal section of which, performed along a perpendicular plane to axes of the tubular filter walls, exhibits a prevalent line of development and a small width with respect to the prevalent line of development; the tubular filter walls being arranged internally of the pouch, side by side with one another, forming a single row which follows the prevalent line of development of the pouch.

Abstract: Disclosed is a way to increase the air circulation in buildings with furnaces, air conditioners, etc. with ducts that have openings on filter holders for filters. The present invention would stop the air from being drawn in around the filter opening causing more air being drawn from the return vents to increase circulation.

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

Abstract: A filter device has a filter housing having a receiving space and a carrier housing. A filter element is arranged in the carrier housing, wherein the carrier housing is inserted into the receiving space of the filter housing and locked in the receiving space. A bracket with a clamping section is arranged on the carrier housing and is secured pivotally on the carrier housing by a hinge so as be pivotable between a locking position and a release position. In the locking position, the damping section of the bracket is clamped between a step on the filter housing and a step on the carrier housing and is secured in a self-locking position.

Abstract: Filter racks are disclosed that are adjustable to accommodate filters of various thicknesses. The filter racks may include an insert that can be positioned within the base of the filter rack in two or more positions to adjust the receiving width of the filter rack. A perforated tab of the insert may be unbent to position the insert within the base at a smaller width, and the tab may be bent to position the insert within the base at a larger width. The insert also may include a divider that can be positioned within the base to reduce the width of the filter rack. Further, a rotating guide may be attached to detents within walls of the filter rack compartment. The guide may be biased at various angles to accommodate filters of different widths.

Abstract: An air cleaner includes a housing and an access cover. The internal volume of the housing can be reached through an opening in a side wall of the housing. A filter element having fluted filter media is removable and replaceable from the air cleaner. The housing is constructed and arranged to cam the element into sealing engagement with the housing. The access cover includes structure to help support and ensure proper seating of the filter element within the housing. A method of installing the filter element in the air cleaner includes sliding a portion of the filter element against a slide surface in the housing. A method of servicing an air cleaner includes tilting the filter element against a tilt surface in the housing to release a seal between the filter element and the housing. The filter element can have a handle to assist in servicing of the air cleaner.

Abstract: A filter cartridge includes a media pack having first and second opposite flow faces; the media pack comprising flutes extending in a direction between the inlet flow face and the outlet flow face; a frame mounted on the second flow face of the media pack; a seal support section extending from the base member; and first and second opposite and spaced blades extending from the base member and in a different direction from the base member as the seal support section. The first and second blades are embedded within the media pack through the second flow face. A seal member is oriented against the seal support section. The filter cartridge can be removably oriented in a cassette. The cassette and filter cartridge are removably oriented in an air cleaner housing. The cassette may include lugs to help position the cartridge in sealing engagement with the air cleaner housing. In another embodiment, the filter cartridge is cassette-free and includes a cartridge-handle projecting therefrom.

Abstract: A filter assembly includes a main body configured to attach to an air duct and having an opening defining an air flow area dimensioned to match dimensions of the air duct. A track is disposed outside of the air flow area; and a filter is disposed in the track. A method of filtering air with a filter including a filter medium and a filter frame surrounding the filter medium includes installing the filter along a duct which defines an air flow area so that the filter frame is disposed entirely outside of the air flow area; and moving air through the duct along the air flow area and through the filter medium.

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 relates to a filter device (10), especially an air filter for an internal combustion engine, in which a main filter element (22) is arranged in a filter housing (12). The main filter element is flown through by a fluid to be filtered. The main filter element (22) is embodied as a multi-bellows filter having at least two radially nested filter bellows (32, 34). Between the filter bellows (32, 34) a flow space (44) for the fluid is formed communicating with an end face of the main filter element (22), wherein each one of the filter bellows (32, 34) is embodied as a star-shaped filter with filter folds arranged in a star shape. On at least one end face of the main filter element (22) there is a seal (36) between one of the filter bellows (32, 34) and the filter housing (12).

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.