Abstract: A filtration device may include a filter element and a housing that is configured to receive the filter element. The filter element may include a casing having a first outer surface and a flange connected to the first outer surface. The flange may include a plurality of snap members. A snap member, of the plurality of snap members, may include a fulcrum projecting from the flange and a lever mounted on the fulcrum. The housing may include a shell having a second outer surface and a plurality of ramp members. The plurality of ramp members may be fixedly connected to the second outer surface and may be configured to engage the plurality of snap members of the filter element. A ramp member, of the plurality of ramp members, may include an angled surface that extends from the second outer surface at an acute angle relative to the second outer surface.

Abstract: Air cleaner assemblies, components therefor, and features thereof are described. Also described are methods of assembly and use. In depicted examples, the air cleaner assemblies and components optionally use advantageous housing seal features. Methods of assembly and use are described.

Abstract: An air cleaner assembly is disclosed, along with related methods. In one aspect, the air cleaner assembly has a housing including a housing body and a removable cover that together define an interior volume for holding a filter cartridge. The housing can include a first part of a first connection arrangement. The air filter cartridge can include a second part of the first connection arrangement. In one aspect, the first and second parts can be secured together place the air filter cartridge in a latched position by moving the air filter cartridge in a first direction. In one aspect, the first and second parts can be disconnected from each other to place the air filter cartridge in an unlatched position by moving the air filter cartridge in the first direction. The air cleaner assembly can include a second connection arrangement securing the air filter cartridge to the housing cover such that the housing body and housing cover are secured together.

Abstract: A monitoring device includes a sensor module disposed between an aeroshell and a cavity assembly. A surface of the aeroshell and a surface of the cavity assembly may form a flow-facing surface of the monitoring device. A junction area on the flow-facing surface within which the aeroshell abuts the cavity assembly may be a smooth surface to minimize the disruption to the surrounding flow of fluid. The sensor module may sample the absolute pressure from ports distributed about the flow-facing surface. The absolute pressure measurements may be used to compute the velocity of the fluid flow, including speed and/or direction. The monitoring device may be powered by inductively received energy or harvested energy. In one variant of the monitoring device, the monitoring device may be constructed from an electrically coupled mosaic of flexible thin-profile tiles, each of which may be responsible for one functional aspect of the monitoring device.

Abstract: A cover for an air filter housing of a motor vehicle has a clear cover with a gasket having a first channel enclosing an outer periphery of the cover. The gasket has a second channel configured to receive an inwardly extending flange on the air filter housing which flange extends around a viewing opening in the housing. The gasket has an end portion connected to the second channel that is inwardly and downwardly inclined to allow the end portion to slip over the flange and form a snap lock with the flange retaining the gasket and cover over the opening in the air filter housing. The end portion has a downwardly inclined edge below the flange, so the cover and gasket can be removed from the housing by pulling on a pull tab extending from the gasket.

Abstract: A frame assembly for releasably maintaining an air filter. In some embodiments, the frame assembly includes a thermoformed body integrally forming a base, opposing side walls, opposing end walls, and at least one closure sub-assembly. The frame assembly is configured to releasable retain an air filter relative to the base via the closure sub-assembly. In other embodiments, the frame assembly defines, in a flat state, foldable side and end panels at the perimeter edges of a central grid panel; the frame assembly can be transitioned to a final state for receiving an air filter by folding the panels. The frame assemblies of the present disclosure are re-usable, allowing a user to replace a “used” air filter with a “new” air filter.

Abstract: Provided are filtration systems, filters, and corresponding methods of installing and using a clean room filter. A filtration system may include a housing defining a vent opening and a filter opening. The housing may include a knife edge disposed about a perimeter of the filter opening and configured to extend downwardly. The filtration system may include a filter removably attached to the housing. The filter may include a frame having an opening and a channel disposed about a perimeter of the opening. The filter may further include a filter substrate disposed in the opening of the frame, a gasket disposed about a perimeter of the opening within the channel, and an adhesive compound disposed within the channel between the gasket and the channel. The filter may be configured to engage the knife edge of the housing, such that air may be configured to pass between the clean room and a duct via the filter.

Abstract: A fixing device for the dust bag of a dust collector includes a dust collector provided with a wind guide box having its lower side formed with a stuff falling opening, which extends downward to form a ring body. The wind guide box has its outer circumference provided with two tightening units, and an annular frame is connected between the two tightening units and positioned beneath the ring body. The two tightening units can adjust the annular frame to be at a first position or at a second position able to quickly fix or disassemble the dust bag of a dust collector.

Abstract: A hollow filter element, including: a filter medium for filtering a fluid; wherein the filter element is a conical-oval rounded filter element; wherein the filter medium circumferentially surrounds an interior flow space of the filter element, wherein the filter medium circumferentially encloses around an element axis such that filter medium at least in one direction radial to the element axis is smaller on a first of the end sides of the filter medium than on a second of the end sides of the filter medium; wherein the filter medium has a first end body arranged at least on the smaller end side; wherein the first end body has at least one leveling element in the at least one direction of the smaller extent with respect to the element axis in a radially outer segment with respect to the element axis.

Abstract: The invention relates to a painting facility and a method for painting a workpiece, wherein, in a painting station, a coating is sprayed onto the workpiece by way of at least one painting device, and in an extraction station, which is arranged outside the painting station, air with overspray is extracted out of the painting station via an extraction device with a filter element, wherein overspray is separated out of the extracted air at the filter element. According to the invention it is provided that the exhaust air is led away via an extraction opening which is arranged in a lower region of the extraction station, wherein the filter element is placed onto the extraction opening, wherein the filter element is arranged approximately centrally in an extraction chamber of the extraction station. The invention further relates to a filter element provided for this purpose.

Abstract: A dust filtration unit for a frac sand storage bin and a method for using the same is disclosed. The dust filtration unit includes an adapter base adapted for attachment to an opened inspection hatch on the sand storage bin, a diffuser manifold attached to the adapter base, and a top plate of the diffuser manifold defining a plurality of filter bag orifices. Each of a plurality of filter bags is releasably attached to one of the plurality of filter bag orifices. In a non-limiting embodiment, the dust filtration unit further includes a hinge between the adapter base and the diffuser manifold, wherein the hinge rotatably attaches the adapter base to the diffuser manifold.

Abstract: A filtration system for a ventilation hood includes a first filter and a second filter, operatively disposed in series. The first filter is configured to be mounted within the ventilation hood, and has an air inlet, an air outlet, and a grease outlet. The second filter includes a filter material with an upstream surface and a downstream surface, an upstream housing element abutting the upstream surface of the filter material, and a downstream housing element abutting the downstream surface of the filter material. The housing elements include openings, and hold the filter material in compression.

Abstract: A filter retaining mechanism for retaining a filter and a pre-filter in relation to a filter aperture of a filter frame. A base clip retained by a proximal portion of a shank engages a flange of the frame, and a filter/pre-filter clip is retained by a distal portion of the shank. The filter/pre-filter clip has a proximal retaining formation that forms a distal retaining surface of a first reception area for retaining a filter and a proximal retaining surface of a second reception area for retaining a pre-filter and a distal retaining formation that forms a distal retaining surface of the second reception area. The filter/pre-filter clip is pivotable about a longitudinal axis between a first condition wherein the proximal and distal retaining formations retain the filter and the pre-filter and a second condition wherein the proximal and distal retaining formations face away from the filter aperture to release the filter and the pre-filter.

Abstract: An air filter assembly includes a filter element having at least one variable dimension, and a frame for engaging and supporting the filter element. The frame may include a plurality of linear segments forming a rectangular configuration, and a plurality of clips for connecting the linear segments together at corners thereof. The linear segments may be L-channel segments, C-channel segments, or may be of other form. Clips may be used for connecting the linear segments together at the corners. The filter element may have a pattern of creases or fold lines to facilitate folding thereof from an expanded configuration to a reduced configuration. A grate may be included for spanning an area bounded by the frame to support the filter element. The grate may have multiple arms and a central hub. An edge treatment may form a seal between the filter element and the frame.

Abstract: The invention relates to a cartridge flange for fitting filter cartridges in filter systems, in particular industrial suction-extraction systems or air-filter systems.

Abstract: Air filter cartridges for use in air cleaner assemblies are described. The air filter cartridges typically comprise a stack of strips of fluted media, having an inlet flow face and an outlet flow face. A projection is provided extending outwardly from adjacent the outlet flow face of the media pack, as a projection supporting a seal arrangement. The seal arrangement is typically rectangular, with four straight and four rounded corners. The projection can be configured with open corners, and in some instances comprises tabs, to facilitate flexing of the projection to accommodate variations in a housing seal surface, with which the cartridge is installed. Air cleaner assemblies and components therefor, using cartridges in accord with the descriptions herein, are described.

Abstract: An air cleaner housing is provided with a first case including an opening, a second case capable of opening and closing the opening of the first case, a clamp mechanism including a clamp that holds the second case in a state closing the opening of the first case, a filter element arranged between the first case and the second case, and a first closing stopper and a second closing stopper configured to interfere with each other when the second case is displaced from a predetermined position relative to the first case thereby stopping the second case from closing the opening of the first case. The first closing stopper and the second closing stopper are included in the clamp mechanism.

Abstract: Implementations of a filter holder may include: a mounting bracket having two or more T-shaped brackets slidably coupled with each other each with a first part and a second part, the first part being substantially perpendicular to the second part. A disc may be included. Two or more clamps, each coupled to the second part of each of the two or more T-shaped brackets may be included which couple to a filter. The disc may be slidably coupled to the first part of each of the two or more T-shaped brackets. The slidable coupling of the two or more T-shaped brackets may allow the T-shaped brackets to accommodate a dimension of two or more differently sized filters.

Abstract: A frame for sandwiching and holding a filter includes a first frame portion, a second frame portion, a plurality of first tapered projections, and a plurality of second tapered projections. At least the first tapered projections are disposed so as to be sandwiched by the second tapered projections with respect to an arrangement direction. Shapes, in a section in a plane perpendicular to the arrangement direction of at least one of the first tapered projections and the second tapered projections, of the at least one of the first tapered projections and the second tapered projections have first sides substantially perpendicular to a bottom thereof and second sides inclined with respect to the bottom.

Abstract: A filter frame includes a first frame portion that includes a filter installation surface for installing a filter, a second frame portion that retains the filter by holding the filter between the first frame portion, and a hinge portion that connects the first frame portion and the second frame portion. The first frame portion has a plurality of fitting projections and an arm provided on a filter installation surface of the first frame portion so as to extend between a plurality of fitting projections. The second frame portion has a plurality of fitting portions for receiving the plurality of fitting projections, and a cutout provided in a side of the frame facing the side in which the second frame portion is connected to the first frame portion by the hinge portion.

Abstract: An air cleaner apparatus for a vehicle includes a body defining therein a storage space. The body has an intake port through which air is to be taken in, a laterally-bent support section disposed at an upper portion, and plate-shaped reinforcement members disposed above the storage space and having a predetermined thickness, wherein a cover is coupled to the upper portion of the body, defines therein a storage space, and has a discharge port at one side through which air is to be discharged and a laterally-bent coupling section disposed at a lower side, wherein an opening is provided at front sides of the body and cover, and serves as an entrance through which a filter member is stored or taken out, and wherein a plate-shaped cover is coupled to a front portion of the storage part in order to open or close the storage part.

Abstract: A filter element for at least one of a fresh air system and a ventilation and/or air-conditioning system of a motor vehicle may include a filter body including a folded filter material that laterally surrounds an internal space. A first end plate and a second end plate may be sealingly attached to the filter body at sides that are facing away from one another. A front plate may be arranged in a lateral region of the filter body. The front plate may include a first end plate joining region and a second end plate joining region facing the first end plate and the second end plate. The first and second end plate joining regions may be fused with a front-side end of the first and second end plates.

Abstract: A filter used to reduce the emission of silica particles used in hydraulic fracturing. The silica reduction cover is a custom fit filter installed onto vent hatches of proppant storage trailers. Proppant storage trailers, or “frac sanders,” have a series of vent hatches that release air and fine particles into the atmosphere during material transfer operations. The silica reduction cover is comprised of filter material and permits the controlled release of high pressure air at each vent hatch while reducing sand particle loss. The silica reduction cover maintains proppant sand product in the trailer for production use while significantly reducing the emission of airborne sand particles in the immediate work and adjoining site areas. The silica reduction cover incorporates a viewing window so that workers may monitor proppant levels in the storage trailer while the silica reduction cover is installed.

Abstract: An air filter element has a filter means and a circumferential plastic frame with a sealing element, which encompasses a laterally outwardly projecting border of the plastic frame in a U-shaped manner. The sealing element is one piece with a circumferential sealing lip that is arranged on a side flank of the U-shaped sealing section.

Abstract: A light projector for operation during a show that contains theatrical haze. The light projector may include a light source, a lens, a fan, and a housing having an inner chamber. The lens may have a first side and a second side. The first side of the lens may be contained within the inner chamber of the housing. The second side the lens may be outside of the inner chamber of the housing. The fan may be configured to be operated to generate air flow inside the inner chamber of the housing. A substantial portion of the air flow may be directed to impinge upon the first side of the lens to cause de-fogging of theatrical haze condensate on the first side of the lens.

Abstract: A housing for a vehicle component includes a first case and a second case. The first case has an opening and a retainer hole at an edge of the opening. The second case has an opening and a protrusion at an edge of the opening. With the protrusion engaged with the retainer hole, the openings of the first case and the second case are selectively opened and closed by pivoting the second case with respect to the first case. The first case and the second case have separation portions. When the second case is pivoted in the opening direction, the separation portions engage with each other to move the first case and the second case relative to each other such that the protrusion is pulled out of the retainer hole.

Abstract: The present invention pertains to a device for cleaning gases containing particles with a bellows and with at least one filter element arranged in the bellows. To ensure effective filtration without limitation of the mobility of the bellows, the present invention provides for at least one filter element to be fixed at a bellows inner flange of a bellows corrugation in a positive-locking manner.

Abstract: A filter frame for holding a filter provided with a plurality of folds so as to alternately form ridges and troughs includes: a first frame portion including a first holding portion, having a side corresponding to a first side of the filter, for holding the filter; a positioning portion, provided on the first holding portion, for determining a position of the filter; and a second frame portion including a second holding portion for holding the filter by sandwiching the filter between the first and second holding portions. The second holding portion is provided so as to be capable of opposing the first holding portion via the filter and has a side corresponding to a second side of the filter.

Abstract: A filter housing may include a filter insert configured to be inserted into the filter housing. The filter insert may have two spaced and opposite base discs and a filter wall configured to connect edge zones of the base discs. The filter insert may be penetrated by an opening connected to at least one of an untreated space inlet and clean space outlet of the housing. The opening is arranged in a flange plate connected in a leakproof manner to the base discs and the flange plate may be connected in a leakproof manner to the filter wall.

Abstract: A range extractor hood includes a screen, at least one filter element and at least one pivot bearing which swingably supports the at least one filter element on the screen. At least one locking member retains the at least one filter element to the screen. Located on the screen is a releasing device for, at least partially, releasing the locking member and retention of the filter element.

Abstract: A bracket to mount a filter in an exhaust hood includes clip portion, a restraint portion, and a support portion. The clip portion includes a first wall and a second wall that are substantially parallel to each other with a space formed therebetween. The support portion is disposed between the clip portion and the restraint portion, and the support portion includes a hole formed therein. The filter includes an external support frame embedded with a filter pad, the external support frame being configured to provide support to the filter pad to maintain the filter pad in a generally flat configuration. The filter pad includes fibers selected from the group consisting of: wool fibers, wood-based viscose fibers, and cellulose-based synthetic fibers, the fibers configured to absorb grease particulates.

Abstract: An accessory cap for a respiratory cartridge includes a housing having a front wall and a side wall which cooperate to define an interior cavity. The side wall includes a retaining formation configured and arranged to releasably engage and hold the housing on the respiratory cartridge. The housing includes a downwardly facing air passage configured to allow air to pass from an exterior environment to the interior cavity. The accessory cap further includes a pre-filter support web removably received within the interior cavity and spaced inwardly from the front wall. The housing and the pre-filter support web form a pre-filter cavity within the interior cavity adjacent to the front wall. The accessory cap can function as a standalone shower cap, or a pre-filter media can be optionally inserted into the pre-filter cavity so that the accessory cap functions as a combination pre-filter and a shower cap.

Abstract: Filter media suitable for various applications and related components, systems, and methods associated therewith are described. The filter media may include a fiber web having a mixture comprising non-fibrillated synthetic fibers and fibrillated fibers, such as lyocell. The fiber web may also include multi-component fibers (e.g., bi-component fibers). In some embodiments, glass fibers are not incorporated into the fiber web.

Abstract: The air filter system includes a cover that is configured to secure itself adjacent to an HVAC register. The cover includes hanger members on distal ends, which hook onto screw holes of the HVAC register. The cover includes a plurality of openings forming a vent through which air is able to pass. The cover is configured to be loosely hung underneath the HVAC register such that air-conditioned air is able to blow through the cover as well as along a peripheral opening formed between the cover and the HVAC register. The cover includes a filter member that is selectively removed, and positioned in between the cover and the HVAC register. The filter has a rectangular shape that corresponds to the cover. The filter also has lipped peripheral portion that has a thickness greater than a center portion.

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. A preferred projection/receiver arrangement is described. Methods of assembly and use are also provided.

Abstract: An image forming apparatus includes a housing, an image forming section, an air passage that is disposed so as to be movable between a first position and a second position, the air passage having an interior through which air is allowed to flow while the air passage is in the first position, a trapping member that is mountably and dismountably disposed in the interior of the air passage, the trapping member trapping an object contained in the air flowing through the interior of the air passage, and a mounting system that mounts the trapping member, which is not completely mounted in the interior of the air passage, in the interior of the air passage by an operation of moving the air passage from the second position to the first position.

Abstract: Fluid treatment arrangements and methods for operating fluid treatment arrangements may include fluid treatment assemblies and manifold assemblies that direct fluids to and/or from the fluid treatment assemblies.

Abstract: A filter system includes a housing having an inlet opening surrounded by a sealing surface, an outlet opening, and a door having a seating surface surrounding a through-port opening. The door is movable between an open and closed position and a closed position. In an embodiment, a hinge connects the door to the housing, such that the door pivots between open and closed positions about the hinge. A panel pre-filter is seated along the seating surface of the door. A V-bank filter is positioned in the inlet opening, and has a flange in general alignment with the sealing surface, and has a plurality of filter media sections projecting away from the flange and into the housing interior. A latch is adapted to keep the panel pre-filter positioned inline and upstream of the V-bank filter. A seal is disposed between the flange of the V-bank filter and the sealing surface.

Abstract: Air filter cartridges for use in air cleaner assemblies are described. The air filter cartridges typically comprise a stack of strips of fluted media, having an inlet flow face and an outlet flow face. A projection is provided extending outwardly from adjacent the outlet flow face of the media pack, as a projection supporting a seal arrangement. The seal arrangement is typically rectangular, with four straight and four rounded corners. The projection can be configured with open corners, and in some instances comprises tabs, to facilitate flexing of the projection to accommodate variations in a housing seal surface, with which the cartridge is installed. Air cleaner assemblies and components therefor, using cartridges in accord with the descriptions herein, are described.

Abstract: A filter installation arrangement and an associated method of installing a filter assembly to a partition. A filter assembly includes a filter element that extends along a longitudinal axis. The filter element includes an end cap disposed at an end of the filter element. An adjustment device of the installation arrangement axially displaces the end cap of the filter element in a first direction. An insert portion is inserted adjacent the end cap subsequent to the axial displacement of the end cap. The insert portion is configured to limit axial displacement of the end cap in a second direction that is opposite the first direction.

Abstract: A generally rectangular tractor cab air filter housing arrangement (20) has a main body portion with inlet zones (20a) at each end through which air enters the housing, a first outlet aperture (20c) in the housing over which a filter element (18) is supported, and a second aperture in the housing in which a door (21) is pivoted to provide access to the filter for maintenance. The inlet zones (20a) are formed as chambers which are structurally interconnected by side portions (20d) of the housing so that the housing can be formed as a single piece hollow plastics molding. The door (21) may also be a hollow single piece plastics molding. Both the housing and/or the door may be formed by blow molding or rotational molding.

Abstract: A filter housing has first and second housing parts connected to each other to be openable and secured by a latching element. The latching element is connected to the first housing part by a moveable connection with a predetermined breaking point and is pivotable by the movable connection into the closed state. The latching element has two positioning elements and the housing parts have counter positioning elements. In the closed state, the counter positioning elements are axially arranged between the two positioning elements and the positioning elements form a stop for the counter positioning elements. The latching element has an element locking section locking at a housing locking section on the first or second housing part. The predetermined breaking point is subjected to mechanical stress such that the predetermined breaking point breaks upon locking or release of the latching element.

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 clip for holding a filter media over a supply/return/exhaust of an HVAC system includes a hook portion that secures to a grid of a suspended ceiling system and a filter holding portion that is connected to the hook portion such that the filter holding portion is biased towards the grid and/or a grille. An air filter placed between the filter holding portion and the grid and/or grille is held against the grid and/or grill until, for example, until construction is complete or the filter needs to be changed or removed, thereby covering the supply/return and reducing contamination of the HVAC system from construction dirt/debris.

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: 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: An air filtration unit for conveying bulk granular material from a tank trailer, and uses air pressure to achieve granular flow, the air filtration unit incorporates an intake that induces a spiral flow, the unit incorporates a lid at the back end of the filter housing, and a baffle structure at the intake inlet of the unit, to dampen sound.

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: An accessory cap for a respiratory cartridge includes a housing having a front wall and a side wall which cooperate to define an interior cavity. The side wall includes a retaining formation configured and arranged to releasably engage and hold the housing on the respiratory cartridge. The housing includes a downwardly facing air passage configured to allow air to pass from an exterior environment to the interior cavity. The accessory cap further includes a pre-filter support web removably received within the interior cavity and spaced inwardly from the front wall. The housing and the pre-filter support web form a pre-filter cavity within the interior cavity adjacent to the front wall. The accessory cap can function as a standalone shower cap, or a pre-filter media can be optionally inserted into the pre-filter cavity so that the accessory cap functions as a combination pre-filter and a shower cap.