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: A panel filter including a pleated filter media, a frame and a screen is provided. The pleated filter media is supported by the frame which is a one piece die cut frame or a two-piece die cut frame with integrally formed webbing and border. The pleated filter media is further supported by the screen on one or both sides.

Abstract: A filter cartridge 12 that has a first and second layer of filter media 38, 40 that each have first and second major surfaces 32, 44 and a perimeter 46 and that each contain active particulate that is bonded together. A plenum 42 is disposed between the first and second layers of filter media 38, 40 such that the plenum 42 interfaces with the second major surface 44, 44? of each layer of filter media. A housing sidewall 30 extends from the first layer of filter media 38 to the second layer of filter media 40 and is secured to the perimeter 46 of the first and second layers of filter media. The first major surfaces 32, 32? of the first and second layers of filter media 38, 40 are each fluid permeable and are each in fluid communication with an exterior gas space. A filter cartridge 12 having such a construction provides a bifurcated flow pattern in a higher volume structure.

Abstract: A air condenser housing screening apparatus includes a pair of female mating members each comprising an elongated panel having a first side and a second side. A female receiver is mounted on the first side. A pair of male mating members is provided and each is removably engageable with one of the female mating members. Each of the female mating members has one of a plurality of fasteners coupled thereto. The fasteners are configured to releasably couple the female mating members to an air condenser housing. A screen mesh is positioned between coupled pairs of the female and male mating members to cover a portion of the housing with the screen.

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 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: 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: An air filter for electrical equipment includes metallic filter media including a first outer layer, an opposing second outer layer, and at least one inner layer disposed between the first outer layer and the opposing second outer layer, and a frame disposed along a perimeter edge of the filter media configured to retain the filter media.

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: There is provided herein an air filter that includes one or more foldable extension flaps that can be folded and secured against the frame to provided an extend thickness dimension for the frame of the air filter, which allows the same filter to be used in either a smaller or larger filter slot within an HVAC system.

Abstract: A moisture diversion system for a gas turbine inlet. The moisture diversion system comprises a housing that is operably connected with a gas turbine and defines an opening through which air flows to the gas turbine. A hood is attached to the housing adjacent the opening. The hood has a surface disposed at an acute angle relative to horizontal. A device is disposed relative to the hood to separate moisture from air flowing through the device. Separated moisture is directed onto the hood. A gutter is disposed adjacent an edge of the hood to collect moisture from the hood. A conduit is fluidly connected with the gutter to conduct water away from the gutter and the opening in the housing to inhibit separated moisture from re-entering the air flow through the opening to the gas turbine.

Abstract: A non-V bank filter for an animal confinement application such as for filtering out the porcine reproductive and respiratory syndrome virus (PRRSV) is provided. The filter may be a deep pleat of synthetic filter media with at least a MERV 14 rating and efficiency sufficient to filter out the PRRSV in high air flow applications. The media may be embossed and have spacers to provide for structural support and open filter structure for airflow. The filter can occupy less space and in some embodiments ½ or even less space than a corresponding V-Bank filter with comparable performance.

Abstract: A filter pack includes filter media formed into a filter structure having a front, a back and at least one side surface; and a frame adhered to the at least one side surface and comprising an adhesive and an adhesive carrier. The adhesive carrier can be a sheet of material which can be impregnated with the adhesive, one example being a sheet of the filter material itself. The adhesive carrier can alternatively be a single use tray mold for holding the adhesive while it cures, and which is left into the final product.

Abstract: An approach that provides filter media pleat pack retention is described. In one embodiment, filter media pleat pack retention is attained by providing a filter media pleat pack having a joining member located between a first filter media portion and a second filter media portion. The first filter media portion is coupled to the joining member at one side and the second filter media portion is coupled to the joining member at an opposite side. The joining member provides stiffness to the filter media pleat pack and provides support to the panel stopping excessive bowing under high pressure and subsequent tearing and puncture.

Abstract: A filter element (1) has first and second end sections (3A, 3B) of a flat filter medium which are secured to one another. A sheathing (4) is provided, wherein said sheathing is compressed by the end sections (3A, 3B) and surrounds the end edges (9) of the end sections (3A, 3B). Alternatively, the filter element (1) has first and second end sections (3A, 3B) of a flat filter medium, wherein the first end section (3A) has a fold (5) having two fold legs (6A, 6B). The end section (3B) of the second end section (2B) is then compressed between the fold legs (6A, 6B).

Abstract: A mist eliminator including a substrate and a plurality of frusto-conical shaped protrusions disposed on the substrate is provided. The plurality of frusto-conical shaped protrusions have a geometry and are positioned at intervals that provide coalescence and retention of water particles from moisture containing air contacting the substrate and frusto-conical shaped protrusions. A moisture removal system and a method for removing water particles from inlet air with the mist eliminator are also disclosed.

Abstract: A dirt separator may be retrofit into existing gas turbine engines since it is formed of circumferentially separate pieces which may be assembled together in the gas turbine engine.

Abstract: A disposable air filter that includes: (a) air filtration media; (b) a substantially planar air filter frame providing three-dimensional support for the air filtration media; and (c) an inter-filter gap filler disposed along substantially the entire length of at least one side of an opposed pair of the first or second sides and integrated into the air filter frame is disclosed. The integral inter-filter gap filler reduces gaps between adjacent air filters disposed in a filter track of an air filter bank.

Abstract: A filter recognition system for use with an air purifier is provided. The air filter assembly or filter clip includes identification pins/taps which are read by the air purifier to determine the filter type. The filter recognition system adjusts the motor parameter based on the filter type. Additionally, the filter recognition system adjusts the filter timer to automatically communicate to a user the recommended time to change the filter based on the identified filter type.

Abstract: An accessory filter for enhancing the operation of a HVAC panel filter, the HVAC panel filter having a peripheral frame that is receivable in a filter mount of a forced air HVAC system. The accessory filter includes a filter sheet having planar dimensions matching the frame; and adhesive attached near the edges of the filter sheet operable to adhere the filter sheet to the frame. The filter sheet has a thickness substantially thinner than that of the HVAC panel filter. The filter sheet thickness allows the HVAC panel filter and the accessory filter to coextensively fit in the filter mount.

Abstract: A protective cover for preventing entry of particulate matter into a delivery hose of a respiratory device includes a filter member having a peripheral edge portion. The filter member is composed of a filter material having a mesh size capable of preventing the particulate matter to pass therethrough. The protective cover further includes a support member having an inner edge portion and an outer edge portion. The inner edge portion of the support member is attached to the peripheral edge of the filter member, such that, the support member circumferentially surrounds the filter member. Furthermore, the protective cover includes a securing member attached to the outer edge portion of the support member, such that, the securing member circumferentially surrounds the support member. The securing member is capable of gripping an end portion of the delivery hose of the respiratory device.

Abstract: A duct screen mountable in an air duct for retaining objects which pass through an associated register, the screen having a filtering base having a plurality of holes and a frame to hold the filtering base in place within the air duct.

Abstract: The two-stage air filter is formed of a nonwoven glass fiber first or inlet filter element and a second or outlet filter element formed of nonwoven fiber. The outlet filter element is preferably formed of either polyester material, or a blend of polyester and cotton fiber material. The first or inlet filter element is coarser than the second or outlet filter element, with the first element serving to capture larger particles while allowing smaller particles to pass therethrough to be captured by the finer second filter element. The two filter elements have a continuous and unbroken, homogeneous interface therebetween, with the attachment of the two filter elements with one another being solely at their mutual peripheries by a peripheral frame. Additional air freshening and cleaning, deodorizing, odor neutralizing, scent applying, fungicidal, bactericidal, and/or germicidal chemicals or materials may be applied to either or both filter elements.

Abstract: A frame for receiving a filter element includes: a pair of first members and a pair of second members. The first members may be arranged alternately with the second members in the assembled orientation to establish a plurality of joining structures between adjoining members. Each respective joining structure of the plurality of joining structures maintains the adjoining members oriented substantially about a respective axis. The first members and the second members cooperate to define a volume for effecting the receiving.

Abstract: A canister includes a canister case having an adsorbent chamber, an adsorbent housed in the adsorbent chamber of the canister case, a filter disposed between the adsorbent chamber and a port mounted on an end wall of the adsorbent chamber, and a tentative filter engaging projection provided in the adsorbent chamber. The filter is loosely fitted within the adsorbent chamber and then welded on the end wall of the adsorbent chamber. The tentative filter engaging projection tentatively holds the filter loosely fitted within the adsorbent chamber in a welding step of the filter.

Abstract: A horizontal dust collector includes a plurality of elongated filter elements in a horizontally-oriented array, each filter element connected at one end to a tube sheet, and at an opposite end to a support plate. The one end of each filter element is fitted with a substantially rigid coupler having an insertion portion, a peripheral, outwardly facing groove adopted to receive a mating edge defining an aperture in the tube sheet, and a radially outwardly extending flange axially behind the annular groove for engagement with a filter element assembly tool. A tool is also provided to facilitate installation of the filter elements within the dust collector.

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.

Abstract: Embodiments of the present invention include a filter latching device for use in a filtering system that provides filtered intake air for a power generation facility. In some embodiments, a filter latch is provided that includes a hinge coupled to the filter frame and an S-shaped retaining plate rotatably coupled to the hinge. In some embodiments, the S-shaped retaining plate provides an over-center action mechanism that locks the retaining plate in place against a sealing flange and a camming surface that provides gradually increasing pressure on the sealing flange as the latch is engaged.

Abstract: There is provided herein an air filter that includes one or more foldable extension flaps that can be folded and secured against the frame to provided an extend thickness dimension for the frame of the air filter, which allows the same filter to be used in either a smaller or larger filter slot within an HVAC system.

Abstract: A filter element has a zigzag-shaped fold pack of folds. At least one terminal element is folded parallel to the folds of the fold pack. The at least one terminal element has a first leg, a second leg, and a third leg. The first leg is arranged substantially perpendicularly to a flow direction of a medium flowing through the filter element. The first, second and third legs are delimited by folds of the at least one terminal element. The first and second legs are positioned substantially at a right angle relative to one another. The third leg projects laterally away from the filter element to form a peripheral seal.

Abstract: Embodiments of the present invention include a filter clamping device for use in a filtering system that provides filtered intake air for a power generation facility. In some embodiments, a filter clamp is provided, which includes an over-center action mechanism that locks the clamp in place against the filter gasket. Some embodiments also include a camming surface that provides gradually increasing pressure on the filter gasket as the clamp is engaged. The clamp may also include a stop that engages the filter frame at a predetermined position and determines, in part, the amount of clamping pressure applied to the filter.

Abstract: A system, in certain embodiments, includes a filter holding frame configured to support a plurality of filters for a turbine engine. The filter holding frame has a first filter cell and a first retainer. The first retainer has a first retaining pad coupled to a first shaft, wherein the first retaining pad and the first shaft are movable to secure and release a first filter in the first filter cell.

Abstract: A disposable air filter sub-assembly that includes: (a) air filtration media; (b) a substantially planar air filter frame providing three-dimensional support for the air filtration media; and (c) an air filter frame-connecting means integrated into the air filter frame. The integrated air filter frame-connecting means are adapted to connect a plurality of identical air filter sub-assemblies into an air filter assembly with sufficient structural strength in at least one direction such that the air filter sub-assemblies resists separation when the air filter assembly is extracted from the filter track of a filter bank.

Abstract: A panel air filter assembly, for use in heating, ventilating and air conditioning (HVAC) systems, which has a single filter element with multiple portions. The single filter element is sectioned into substantially equally-dimensioned and separate filter portions. Each of the filter portions includes a specific type of medium and is distinct from one another, so as to remove different types of contaminants from the outdoor supply air before entering heating, ventilating and air conditioning systems. A waterproof paperboard frame securely supports the filter element at the filter element's marginal edges.

Abstract: An upper and a lower panel with side panels therebetween define a rectilineal chamber of a housing having an air input and an air output side. A fan includes a plurality of blades and a motor to rotate the blades within the chamber. A filter assembly includes a bracket adjustably secured on each side panel and a filter component positioned in facing contact with the housing whereby all air passing through the housing passes through the filter component.

Abstract: The present invention addresses the need for a collapsible filter that is easily assembled and installed. The collapsible filter comprises top and bottom arms rotatably attached to the top and bottom edges of two end caps. A pleated filter media is provided attached to at least one of the end caps. The present invention also addresses the need for mechanisms to facilitation the expansion of the pleated filter media, utilizing spring-like devices or other materials that may be compressed but expand to a natural state. Similarly, the present invention further addresses the need for mechanisms that allow for controlling the distance between adjacent pleats within a pleated, collapsible filter media. The present invention recognizes that a combination of these approaches may be utilized to provide a collapsible filter that is easily constructed at a manufacturing facility, assembled in the field, and installed within a system having need for a filter.

Abstract: The present invention relates to an air cleaner for removing air pollutants from an air stream, for instance such as the cleaning exhaust/intake gas of an amusement machine, said air cleaner comprising a filter device including at least one filter layer (4a, 4b) held by a filter holder (5) in said airflow substantially perpendicular to a main flow direction thereof and including a plurality of preferably stick-shaped filter elements (6) neighbouring each other. In accordance with the present invention, the filter device has no closed surrounding along the circumference of the filter layers, but provides for an open side along at least a portion of the periphery of the filter layer. At least one circumferential side section (7, 8) of the filter layer parallel to or tangential to the longitudinal axis of an outermost filter element is formed as an open side free of flow control elements surrounding the filter layer.

Abstract: A vacuum cleaner filter assembly having a filter frame with a frame sidewall defining an enclosed perimeter. A filter is mounted in the filter frame and has a surface through which air can pass. A deodorizer chamber has a first sidewall connected to a first portion of the frame sidewall, and a second sidewall connected a second portion of the frame sidewall. The deodorizer chamber has a filter-facing portion facing a first portion of the filter, and defines a passage from there to a portion of the chamber not facing the filter. A number of deodorizer pellets are contained in the chamber. The filter assembly has parallel first and second air paths. The first path extends through the first portion of the filter and the chamber. The second path extends through a second portion of the filter that is not covered by the pellet chamber and not through the chamber.

Abstract: A filter box which holds a chemical filter includes a box-shaped frame which holds the chemical filter and a guide groove which is provided on a side surface of the frame. The guide groove includes a first recess which is arranged between an upper end and a lower end of the side surface of the frame and which is communicated with a side end of the side surface; and a second recess which is communicated with the first recess and which extends toward the upper end of the frame. With the guide grooves, it is possible to exchange the filter efficiently and with high positioning precision.

Abstract: A filter cassette rack and tracks wherein the rack is a three dimensional rectangular rack having at least two opposing open sides, sealing and non-sealing support tracks span the rack providing filter cassette guides and sealing means for a plurality of filter cassettes.

Abstract: A plate-shaped filter insert for, in particular, a gas filter with a seal which projects outward on a first of two opposite plate surfaces should be simple and inexpensive to produce with good durability. For this purpose, such a filter insert has the following features: —the filter material (1) is designed as a web material folded in a zigzag shape, each of whose folds on the top side are sealed by a first sealant strip (2), —the first sealant strips (2) each project bent outward at one of the two opposite upper plate sides formed by the backs of the folds, —at the end folds lying in longitudinal direction of the web material, a second sealant strip (3) running transverse to this longitudinal direction is attached, —the second sealant strips (3) are each bonded tightly to the first sealant strips (2), —a circumferential sealant material (4) is applied to the first and second sealant strips (2, 3) bonded tightly to one another.

Abstract: A gas flow absorber comprises an absorption vessel, having a vessel wall defining a cylinder including an absorption material, the cylinder having a cylinder wall bearing, at the bottom thereof, in a circumferential slot formed on a support plate including a channel therethrough a gas mixture flow is conveyed, the channel having a channel hole passing through an enlarged portion of the support plate, the enlarged portion being coupled to a flat chamber substantially extending through the overall extension of the vessel bottom, the chamber being covered by a disc-like body made of a sintered material.

Abstract: An assembly for installation in a refrigerator provides an enclosure for conducting service lines therethrough and an air filter unit mounted to the enclosure. The air filter unit includes an air filter housing that contains an air filter and includes openings for the ingress of air from the refrigerator which, after passing through the air filter, is discharged to the refrigerator interior through discharge openings in the air filter housing. Means such as a fan is provided to establish a flow of air through the air filter housing. The air filter unit has utility separately from the enclosure for conducting service lines in which case the air filter housing includes first and second portions that are pivotally connected to one another. The air filter within the air filter housing is supported by one of the first and second portions of the air filter housing.

Abstract: In one aspect of the invention a smart air filter monitoring system for a cabinet for electronic devices is provided that includes: an air filter positioned in an air flow so that substantially all the air flows through the filter, the air flow being defined by the cabinet; a light emitting device on a first side of the air filter; at least two light sensors mounted near the air filter, each light sensor directed to the air filter to receive light emitted from the light emitting device after the emitted light has passed through the air filter, the light sensors adapted to generate electrical signals from the emitted light striking the light sensor; an electrical circuit, the electrical circuit generating a signal for indicating that the filter needs to be serviced when the electrical circuit determines that electrical signals received from a combination of the sensors indicates that the filter needs to be serviced.

Abstract: A filter element includes a first, outer tubular construction of filter media defining a first open filter interior; a second, inner tuber construction of filter media defining a second open filter interior; the second construction of filter media being located within the first open filter interior and being radially spaced from the first construction of filter media; and the second open filter interior defines an unfiltered fluid channel. A plastic inner liner is within the first open filter interior to support the first construction of filter media. A plastic outer liner is within the first open filter interior to support the second construction of filter media. A filtered fluid channel is defined between the inner liner and the outer liner. A brace arrangement is between the first and second tubular constructions. The brace arrangement can include a spring, a plurality of gussets, or a solid spacer.

Abstract: A vacuum cleaner filter assembly having a filter frame with a frame sidewall defining an enclosed perimeter. A filter is mounted in the filter frame and has a surface through which air can pass. A deodorizer chamber has a first sidewall connected to a first portion of the frame sidewall, and a second sidewall connected a second portion of the frame sidewall. The deodorizer chamber has a filter-facing portion facing a first portion of the filter, and defines a passage from there to a portion of the chamber not facing the filter. A number of deodorizer pellets are contained in the chamber. The filter assembly has parallel first and second air paths. The first path extends through the first portion of the filter and the chamber. The second path extends through a second portion of the filter that is not covered by the pellet chamber and not through the chamber.

Abstract: There is provided a protective filter 1 for an extracorporeal circulation circuit pressure monitor, having a dialysis device side housing 2, an extracorporeal circulation circuit side housing 3, and a hydrophobic filter 4 held between both the housings, which allows passage of a gas but does not allow passage of a liquid, characterized in that a plurality of ribs 27 and 38 capable of supporting the hydrophobic filter 4 are respectively provided in both housings, and a protective member 5 for preventing direct contact between the ribs 38 and the hydrophobic filter 4 is interposed between the ribs 38 provided in the extracorporeal circulation circuit side housing 3 and the hydrophobic filter 4.

Abstract: A portable air treatment device and system including a filter retaining mechanism for selectively retaining a replaceable filter assembly. The filter retaining mechanism includes a rigid, non-moveable body that reduces a size of an access opening to a filter chamber otherwise formed by the air treatment device housing, along with a bearing surface. The rigid body serves as a catch or latch, preventing unexpected dislodgement of a filter assembly from the chamber. The bearing surface is also rigid and non-moveable, and provides a means for easily inserting and removing a primarily non-permanently deflectable filter assembly about the rigid body.

Abstract: A sheet-like filter element is installed on a support within the casing of a filter device. A plate-like portion is integrally formed in at least the outer periphery of the filter element. A crimped portion which is to be secured to the support in a crimped state is formed in this plate-like portion. A protrusion which rises through the above described plate-like portion is formed so as to be integrated with the above described support around this crimped portion. The plate-like portion is secured to the support by means of this protrusion.

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