Abstract: A filter bag for a vacuum cleaner includes a tubular bag made of a casing which has at least one nonwoven layer. The casing has a first end region which is sealed at least partially and a second sealed end region situated opposite the first end region. The first end region is folded and forms a base.

Abstract: Presented is an improved dust filtration unit of the type characterized by a filter bag having a plurality of pockets conjoined to a unitary opening, the opening having a collar that extends circumferentially around the opening, and a frame for supporting individual pockets and circumferentially supporting the opening. The improvement includes the frame having circumferential sidewalls with substantially vertical portions and top edges. A flange extends outwardly from the top edges to define a parameter and the filter bag includes an elastic hem at an outer edge of the collar. The bag is inserted within the sidewalls of the frame and the elastic hem edge of the collar is stretched over the flange for supporting attachment thereto.

Abstract: An air purifier that removes particles or contaminants from air includes a base having an air inlet, an air outlet and an air flow path therethrough. An impeller urges air into the air inlet, through the air flow path and out of the air outlet and a motor drives the impeller. The motor and impeller are supported within the base. A foldable air filter is in fluid communication with the air outlet and is removably mountable to an exterior surface of the base proximate the air outlet.

Abstract: A filter pipeline for an air intake system of an internal combustion engine has a tubular body and a filter element arranged in the tubular body. The filter element is a filter bag of a flexible material that has an opening and is attachable in the area of the opening to the tubular body. The filter bag and an inner wall of the tubular body are shaped such that in a circumferential direction of the pipeline different spacings are provided between the filter bag and the inner wall of the tubular body.

Abstract: A method for making a pocket filter assembly is provided. Two side and two end header elements each having a pair of longitudinally extending side walls and a longitudinally extending bottom wall forming a longitudinally extending channel are joined at ends forming a rectangular header with two opposing sides and two opposing ends. The bottom wall and side walls of each of the opposing sides and the bottom walls and said side walls of each of said opposing ends become adjacent forming a rectangular header with a continuous bottom wall and continuous inner and outer side wall having a continuous channel therein. An upstream perimeter portion of a pocket filter element is inserted in the continuous channel and a liquid polymeric material is placed therein. The polymeric material is solidified forming a header frame having the upstream perimeter portion of the filter element unitary therewith.

Abstract: A vacuum cleaner includes a housing having a filter bag cavity. A suction generator and a bag mount are both carried on the housing. Additionally, the vacuum cleaner includes a bag caddy that is displaceable between an operating position connected to the bag mount and a bag disposal position disconnected from the bag mount.

Abstract: The filter fabric containing polyphenylene sulfide fibers, characterized in that the following (1) and/or (2) is satisfied is used to provide a filter fabric and a bag filter composed of the filter fabric excellent in dust-collecting efficiency and high in mechanical strength: (1) Containing at least two webs, one of which on the dust side contains 50 wt % or more of heat resistant fibers with a fiber, diameter of 15 ?m or less, while the other web on the clean side contains 50 wt % or more of heat resistant fibers with a fiber diameter of 20 ?m or more (2) Containing a web containing polyphenylene sulfide staple fibers with their fineness kept in a range from 1 to 3 dtex and fluorine-based staple fibers with their fineness kept in a range from 2 to 4 dtex.

Abstract: A filter bag structure for use in a baghouse that has a tubesheet with a plurality of openings. The filter bag structure includes a substantially cylindrical filter bag having an axial end portion formed into a cuff. The filter bag has filtration media of a substantially electrically non-conductive material. The cuff of the filter bag is to be positioned adjacent an opening and mounted to structure of the tubesheet. An electrically conductive ground wire extends along a portion of the filter bag and has a portion to contact the tubesheet. An electrically conductive anti-collapse ring extends around another portion of the filter bag. An electrically conductive cover secures the anti-collapse ring to the filter bag and provides electrical conductivity between the ground wire and anti-collapse ring.

Abstract: A debris collection device with a self cleaning retention system that is designed for powered tools such as a sander. One embodiment of the system has an inflatable collection bag and a bag retention system, which further includes an integral bag adapter nozzle for retaining the collection bag to the debris exhaust of a tool such as a sander. For one embodiment of the debris collection device, the retention system can also has a tube, pipe or bracket which connects the adapter to powered tool such as a sander.

Abstract: An improved filter support structure for supporting filter media. The support structure includes two sections removably coupled together with an improved coupling assembly. The first section has a cross section presenting a first width spaced apart from a second width, the second width being less than the first width. The coupling assembly includes an element carried by the second section, and presents an engagement width that is greater than the second width and less than or equal to the first width such that the element may be shiftably received within the first section at the first width, and can be removably engaged at the second width.

Abstract: A wet/dry vacuum bag may be used to collect both wet and dry debris without destruction of the bag and without loss in performance.

Abstract: The present disclosure provides a method, apparatus, and system to mount a filter bag to a wet/dry vacuum cleaner by providing an adapter for mounting the filter bag to a drain opening in the wet/dry vacuum cleaner drum and restricting the typical vacuum port, forcing the vacuum materials to enter through the drain opening and into the bag. The lid of the wet/dry vacuum cleaner can be removed independently of the bag to avoid rupturing the bag. Further, the bag can rest on the bottom of the drum for support.

Abstract: A disposable open bag for a power tool such as a Shop-Vac cleaner has a mounting plate with an opening for receiving debris from the intake of the power tool. The mounting plate is also provided with a vent opening(s), e.g., to prevent the bag from closing in on the air filter and blocking the airflow. The said bag provides a cleaner and more convenient means of collection of the debris, leaves, and particulate matters directly into the bag.

Abstract: A particulate filtration system for removing particulates suspended in a fluid include, in an exemplary embodiment, a filter element and a pre-collector body component operably connected to the filter element. The pre-collector body component is capable of receiving an electrical charge to attract and remove particles suspended in the fluid.

Abstract: A dust cover of a vacuum cleaner is installed to be separable from a dust collecting chamber so as to open/close the dust collecting chamber in which a dust bag filtering sucked dust is mounted, and has a support part to which the dust bag is mounted at its inside, thereby easily performing processes of mounting the dust bag to a vacuum cleaner and separating the dust bag from the vacuum cleaner and discarding without an external contamination.

Abstract: One aspect of the invention is directed to a filter assembly for use in a baghouse having a tubesheet with a plurality of thimbles each having a beaded portion. The filter assembly comprises a cylindrical filter bag having an axial end portion formed into a cuff. The cuff of the filter bag is adapted to be positioned within the thimble. The filter assembly also includes mounting structure adapted to be located within the cuff of the filter bag to mount the filter bag relative to a respective thimble of the tubesheet. The mounting structure comprises an annular gasket. The gasket includes a bead portion. The mounting structure also includes a resilient snapband for exerting a force to expand the gasket outward and seat the bead portion of the gasket within a beaded portion of the thimble to form a seal.

Abstract: A cartridge filter has a unitary upper fitting and a separate gasket which permits a single base filter to be used with a wide range of tube sheet openings, simply by selecting the appropriate gasket. In one embodiment, the gasket is bonded to the unitary upper fitting. In another embodiment, the tubular side wall of the unitary upper fitting defines an annular step, and the gasket defines a bottom edge, at least a portion of which rests on the step.

Abstract: An improved bag docking assembly for aligning a vacuum bag for engagement with a dirty air outlet nozzle on a vacuum cleaner, and for retaining the vacuum bag in the position of engagement. The assembly incorporates an anchor member and a mounting member. The anchor member serves to attach the bag docking assembly to the vacuum cleaner. The anchor member can be a substantially flat piece of plastic having a central opening for closely receiving the dirty air outlet nozzle on the vacuum cleaner. The central opening can have a shoulder for engaging a rim or similar protrusion formed about the perimeter of the dirty air outlet nozzle. Additionally, protrusions are located on the anchor member that align with voids in the vacuum bag collar to ensure that correct alignment of the vacuum bag has been achieved.

Abstract: A dust collector with an invertible wind exhausting case includes a wind exhausting case having an upper and lower cover, which is respectively provided with two threaded holes of the same size in two lateral sidewalls. Two bolts combine tightly the lower cover with each of two upper horizontal tubes of two upper side frames of a platform truck, by screwing the threaded holes. The threaded holes of the upper cover are sealed up with bolts. In case the position of the fan motor and the sucking tube vase is needed to be inverted upside down, it is enough to screw loose the seal bolts of the platform truck and those of the upper cover and then the wind exhausting case can be inverted upside down and then seal bolts are screwed tight again. Thus the inverting work of the invention is much more simplified than a conventional one.

Abstract: A filter to clean the air entering an alternator in a vehicle used in a dirty environment such as a crop harvesting machine includes a mesh filter which is coupled to an air intake of the alternator. The filter is constructed of a mesh material which is flexible and includes relatively small apertures. The apertures prevent chaff and other extraneous material from entering the alternator, while allowing air to flow freely into the alternator, preventing overheating. The flexible mesh sleeve can be vibrated during operation, as, for example, by the flow of air from the engine fan, to provide a self cleaning function in which the vibration causes extraneous material to be shook from the filter.

Abstract: A fluid handling device having a support frame and a plurality of filter frames attached thereto. Each of the filter frames has an outer frame member that removably secures a filter; the filters being either a planar filter, pocket filter, or multiple pocket filter. The various filters can be arranged to correlate the change-out schedule of all of the filters across the fluid flow area. The filters with the highest particulate capacity can be arranged to be in the zone of the fluid flow area with the highest particulate concentration. The filters are easily constructed from a single piece of filtration media and collapsible to save space when storing or shipping.

Abstract: A filter mounting system for use in a baghouse having a tubesheet with a plurality of openings. The filter mounting system includes filter media and a tubular mounting collar attached to the filter media to mount the filter media relative to the tubesheet. The filter mounting system also includes a gasket made of a flexible material. The gasket has a tubesheet receiving portion and a filter receiving portion extending from the tubesheet receiving portion. The mounting collar of the filter mounting system is adapted to be positioned within the filter receiving portion of the gasket and engaging the filter receiving portion to effect sealing engagement of the tubesheet receiving portion of the gasket against a portion of the tubesheet adjacent the opening. The filter receiving portion extends from the tubesheet receiving portion to force one portion of the gasket into sealing engagement with a surface of the tubesheet upon engagement with the mounting collar.

Abstract: A filter element for hydrocarbon emissions in, e.g., marine diesel engine applications, comprises a wound mat received within a filter bag. An annular end cap is bonded to one end of the wound mat, and is sealed around its periphery to a bag ring at the open end of the bag. The bag ring is then received and retained in a seat ring in the housing. The exhaust as stream from the engine is directed through an opening in the end cap and through the wound mat and bag for removal of hydrocarbons and contaminants.

Abstract: A filter stop for a vacuum cleaner contains a dust chamber that is closable with a lid and receives a dust bag with a reinforcement plate in a specific fitting position. The filter stop has a base plate that is movable between two stopping positions parallel to the direction in which the reinforcement plate of the dust bag is inserted into the dust chamber. The filter stop is also provided with a swiveling lever that can be brought into a position activating the vacuuming function of the vacuum cleaner by the reinforcement plate when the dust bag is correctly positioned. The swiveling lever is in a position preventing the vacuuming function from being activated when the dust bag is not correctly positioned. The filter stop can be brought into a stop position activating the vacuuming function exclusively when the swiveling lever is actuated by a shoulder of the reinforcement plate.

Abstract: An improved filtering bag combination having an increased area of filtering and a longer life of use. The improved structure includes a filtering member with multiple folds to cover a support formed of a plurality of rods. The rods of the support have a plurality of bracing members to support the filtering member, two ends of the support are mounted with two shaping pieces, and an upper and lower lid for fixing and sealing. The bracing members are all serrated members, and are provided on the outside with numerous equidistantly separated crests and corresponding hollows and on the inner side with a connecting base. The crests each have a clamping notch for placing a rod, so that the bracing members can be transversely arranged within a circle formed by encircling the rods of the support.

Abstract: A dust-collection structure of a dust-collection device includes a body, a dust-collection module, a moving seat and a dust-filtering module. The cart body is provided with a blower having a driving member and the top face of the blower is provided with a connection tube connecting to the dust-filtering module; the dust-collection module is a hollow cylindrical body positioned onto the cart and the cylindrical body is used to hold the dust-collection bag and the top edge of the cylindrical body is a connection body for mounting with the moving seat; the moving seat comprises two upward extended upright rods mounted at the cart body and the top end of the upright rod is pivotally connected with a corresponding extended shaft and the connecting body is locked between two extended shafts, and the circumferential edge of connection body is provided with a connection tube to connect with the dust-suction tube.

Abstract: A cartridge locking device (10) for holding a filter media (14) in a plenum (12) in which an actuator (112) movable between a first position and a second position connects to a lever member (122) inwardly of the plenum (12) that moves between a position bearing on the filter media (14) to a spaced-apart position for replacing the filter media (14), the locking device (10) operable from the holding position to the spaced-apart position without opening the plenum (12), thereby reducing the time for the plenum (12) to be open during replacement operations. A method of locking and releasing a filter (14) for filter (14) change out is disclosed.

Abstract: A filter assembly including a filter housing defining an interior chamber with an open end, a filter disposed within the interior chamber, and a cover removably positioned over the open end to enclose the interior chamber. The filter housing defines an axially-facing sealing surface spaced from the open end. The filter includes a filter element and a flange element, with the flange element having a hook-shaped lip portion defining an axially-facing groove adapted to securely retain an O-ring seal therein. The cover includes an axially-extending sidewall portion and a laterally-extending flange portion, with the sidewall portion defining an outward taper adapted to retain an O-ring seal thereon. A clamp is used to bias the cover into sealing engagement with the open end of the filter housing. The cover in turn biases the flange element of the filter into sealing engagement with the axially-facing sealing surface of the filter housing.

Abstract: A filter for a spa or pool, having a filter body which receives a filter bag having a sheath encompassing the exterior of the filter body and a pocket extending inwardly from the front end of the sheath into the filter. Operation of the spa water circulation system draws spa water into the filter bag pocket while concurrently spa water is drawn transversely through the filter bag sheath and auxiliary spa water openings into the filter body. An O-ring encircles the upper portion of the filter bag to releasably retain such bag to the filter body during operation of the spa water circulation system.

Abstract: An improved filter support structure for supporting filter media. The support structure includes two sections removably coupled together with an improved coupling assembly. The first section has a cross section presenting a first width spaced apart from a second width, the second width being less than the first width. The coupling assembly includes an element carried by the second section, and presents an engagement width that is greater than the second width and less than or equal to the first width such that the element may be shiftably received within the first section at the first width, and can be removably engaged at the second width.

Abstract: An industrial dust-collector is provided with an air blower in the bottom of the base. An air-inlet line and an air-out line are provided at the front of the air blower. A cover is provided on the top of the base, a sucking pipe is provided at the top of the cover, and both sides of the cover are respectively provided with a buckle article. A door and a pushing rod are provided at the exterior of the base. An air-guiding block is provided in the bottom of the cover, a plurality of air-guiding holes are provided in the bottom of the air-guiding block, an elastic ring is provided at the bottom of the air-guiding block to secure the top section of a dust-collecting bag and a sleeve tube, and a plurality of through holes are provided around the sleeve tube.

Abstract: A filter for a spa or pool, having a filter body which receives a filter bag having a sheath encompassing the exterior of the filter body and a pocket extending inwardly from the front end of the sheath into the filter. Operation of the spa water circulation system draws spa water into the filter bag pocket while concurrently spa water is drawn transversely through the filter bag sheath and auxiliary spa water openings into the filter body. An O-ring encircles the upper portion of the filter bag to releasably retain such bag to the filter body during operation of the spa water circulation system.

Abstract: A dust collection cabinet is provided, which includes a cabinet and a dust collection device. The cabinet provides a storage facility for work tools and other accessories. The dust collection device includes a housing disposed with a motor, an on/off switch, an inlet gate and an outlet gate. The dust collection device further includes a storage facility for the collected dust and a support apparatus. A platform provides the base of the dust collection cabinet and includes casters to provide portability to the dust collection cabinet.

Abstract: A filter cartridge for use in a baghouse having a tubesheet with a plurality of opening. A flexible snapband is biased towards engagement with a surface defining one of the openings in the tubesheet and is adapted to receive a portion of the filter cartridge. The snapband has a first surface and a second surface with a pair of protrusions separated by a groove adapted to receive a peripheral edge of one of the tubesheet opening. The pair of protrusions sealingly engage surfaces of the tubesheet. The filter cartridge includes filter media. Structure supports the filter media. A rigid non-metallic tubular collar is integrally formed with the filter media and the structure to secure this filter media and the structure to said collar. The collar includes a pair of longitudinally spaced continuous projections extending radially from the collar.

Abstract: A filter cartridge for use in a baghouse having a tubesheet with a plurality of opening. A flexible snapband is biased towards engagement with a surface defining one of the openings in the tubesheet and is adapted to receive a portion of the filter cartridge. The snapband has a first surface and a second surface with a pair of protrusions separated by a groove adapted to receive a peripheral edge of one of the tubesheet openingd. The pair of protrusions sealingly engage surfaces of the tubesheet. The filter cartridge includes filter media. Structure supports the filter media. A rigid non-metallic tubular collar is integrally formed with the filter media and the structure to secure this filter media and the structure to said collar. The collar includes a pair of longitudinally spaced continuous projections extending radially from the collar.

Abstract: An improved filter support structure for supporting filter media. The support structure includes two sections removably coupled together with an improved coupling assembly. The first section has a cross section presenting a first width spaced apart from a second width, the second width being less than the first width. The coupling assembly includes an element carried by the second section, and presents an engagement width that is greater than the second width and less than or equal to the first width such that the element may be shiftably received within the first section at the first width, and can be removably engaged at the second width.

Abstract: A downdraft dust collector includes a work table disposed with two outfeed support mechanisms, a dust collection system and a platform upon which a support apparatus and the dust collection system are disposed. The platform is disposed with locking base casters. The support apparatus connects to the work table and the platform providing a vertical adjustment system to the work table. A storage cabinet is disposed on the platform and houses the dust collection system.

Abstract: A filter apparatus for use with a fluid bed processor includes a movable filter bundle that can be selectively moved within a fluid bed chamber. The movable filter bundle includes one or more filters attached to corresponding filter mounts on a support structure. The movable filter bundle may also include an index rod that rotationally secures the movable filter bundle when in a first position. A support assembly can be used to connect the movable filter bundle to the fluid bed chamber. In the first position air is filtered through the filters in the process operation of the filter apparatus. In a second position individual filters on the movable filter bundle can be easily inspected, serviced, and/or replaced.

Abstract: A filter cartridge having a unitary construction with a pleat pack filter formed securely about an interior screen for installation in the tube sheet of a baghouse. Opposite ends of the pleat pack are integrally received within a bottom end cap and an upper fitting. The bottom end cap may be molded to follow the contour of the pleat pack, or may be molded as a disk with an inwardly projecting groove to centrally align the pleat pack therein. The upper fitting is formed of a resiliently flexible material and includes an upper flange to overlie and seal with the upper surface of the tube sheet, a tube sheet mouth insert to seal with a circular opening in the tube sheet, a contoured transition to seal with the lower surface of the tube sheet, and a lower cylindrical collar which permanently secures the upper end of the filter. The contoured transition of the fitting is alternatively molded with either an exterior bulge or an interior bulge.

Abstract: A mounting collar is for supporting a vacuum cleaner filter bag in a mounted condition over a vacuum cleaner fill tube. The fill tube has a cylindrical outer surface. A panel of the mounting collar is configured to be attached to the filter bag. The panel has a first inner edge defining a first opening for receiving the fill tube. An elastomeric diaphragm of the collar extends across the first opening. The diaphragm has a second inner edge defining a second opening. The second inner edge is configured to be elastically stretched circumferentially about the fill tube and to be in contact with the cylindrical outer surface about the entire circumference of the cylindrical outer surface when the first opening receives the fill tube. A lobe of the diaphragm is defined by the second inner edge and a baseline. The baseline extends from a first point on the second inner edge to a second point on the second inner edge and is located entirely on the diaphragm.

Abstract: A filter assembly for filtering particulates out of a stream of gas, which includes an elongated filter bag made out of fabric with a plurality of pleats intermediate its ends with a support cage made from a plurality of wires on the outside of the bag having portions thereof disposed in the pleats.

Abstract: A dust-collection structure of a dust-collection device includes a body, a dust-collection module, a moving seat and a dust-filtering module.

Abstract: A baghouse filter having a filter media and an end cap is provided. The filter media has a longitudinal axis, and the end cap has an outer peripheral side wall. The side wall has first and second edges. A first recessed channel extends between the first and second edges of the side wall, and a second recessed channel extends from the first channel. The first and second channels define a connection area at which the filter connects to the tubesheet at an opening in the tubesheet. Also, a method is provided for installing a filter on a tubesheet having first and second sides separating plenums of a baghouse. The method includes providing a filter having structure for attaching to a tubesheet opening from either side, selecting the side to install the filter and installing the filter on the selected side.

Abstract: An improved filter support structure for supporting filter media. The support structure includes two sections removably coupled together with an improved coupling assembly. The first section has a cross section presenting a first width spaced apart from a second width, the second width being less than the first width. The coupling assembly includes an element carried by the second section, and presents an engagement width that is greater than the second width and less than or equal to the first width such that the element may be shiftably received within the first section at the first width, and can be removably engaged at the second width.

Abstract: An apparatus for mounting a vacuum cleaner filter bag on a vacuum cleaner fill tube includes a filter bag panel. The panel is configured to be grasped by a hand to mount the bag on the fill tube. The panel has an inner edge defining an opening for receiving the fill tube when the bag is mounted on the fill tube. The panel further has an outer edge. A first recessed section of the outer edge is sized and shaped to receive a single finger of the hand when the hand grasps the panel. The first recessed section has a first innermost location. A second recessed section of the outer edge is sized and shaped to receive the thumb of the hand when the hand grasps the panel. The second recessed section has a second innermost location. The innermost locations are spaced apart from each other along an imaginary straight line extending across the opening.

Abstract: A filter assembly for filtering particulates out of a stream of gas, which includes an elongated filter bag made out of fabric with a plurality of pleats intermediate its ends with a support cage made from a plurality of wires on the outside of the bag having portions thereof disposed in the pleats.

Abstract: A bag for vacuum sealing from which air is sucked up by a suction nozzle which is connected to a suction pipe or a suction horse of a vacuum cleaner. This bag has a small bag for air suction, and the suction nozzle is inserted in this small bag. The small bag is made of two resin films and is opened and closed by a zipper composed of a protrusion and a groove. The suction nozzle has a rear connecting portion with a check valve inside and a front portion with a suction hole, and the rear portion is to be connected to a vacuum cleaner. The rear connecting portion stands upward. The front portion is spatular and has a suction hole which opens downward. The outer circumference of the front portion where the suction hole is provided is almost equal to the inner circumference of the portion of the small bag where the suction nozzle is inserted.

Abstract: A filter bag for a pocket air filter includes two side walls. Both lateral edges of the side walls, and the edge of the base are welded to each other. The side walls are made of an air-permeable filter material which can be ultrasonically welded, and at least part of the surface of said side walls is joined by means of interconnected welded spacer elements running substantially parallel to said side walls. The spacer elements are formed by an intermediate layer made from a strip of flexible material, which is alternately welded to the side walls in zig-zag fashion.

Abstract: For use with vacuum cleaner bags of the type having a substantially rigid collar surrounding the bag opening, and with vacuum cleaners of the type having a dirty air outlet nozzle, a vacuum bag docking assembly is shown and described. The assembly incorporates an anchor member having a central opening for closely receiving the dirty air outlet nozzle. The assembly also incorporates a mounting member which engages the collar on the vacuum bag to secure the bag to the bag mounting member. The bag mounting member is pivotally connected to the anchor member, and moves between a loading position in which the bag can be inserted or removed from the mounting member, and a working position in which the bag opening engages the dirty air outlet nozzle.

Abstract: A vacuum cleaner filter bag retainer includes slots on each side which receive a cardboard plate attached to a filter bag. The plate is slid into the slots of the filter bag retainer such that openings in the plate and bag match with an opening in the filter bag retainer. The retainer is attached to a tank through an opening in the tank, and an inlet fitting extends from outside the tank, through the retainer, and into the bag. The inlet fitting, therefore, prevents the bag from sliding out of the slots in the retainer. A swivel fitting loosely traps the inlet fitting adjacent the filter bag retainer through threads on the swivel fitting and the retainer. The inlet fitting also holds a hose to the inlet fitting.