Abstract: A frusto-conical filter includes at least one layer of a filtering material, wherein one or more layers of the at least one layer of a filtering material comprises a plurality of pleats. Each of the pleats has a center axis which essentially maintains a constant distance from the center axis of its adjoining pleats. The media filter has a first end and a second end, the second end being spaced apart from the first end, and one of the first and second ends is larger than the other of the first and second ends. A method of making this media involves cutting out a frusto-conical section from a generically shaped media and aligning it in such a way as to maintain the constant distance of the pleats from the adjacent pleats.

Abstract: A portable ionization unit for attachment to an overhead airflow nozzle is disclosed. The ionization unit includes a housing. A rechargeable self-contained ionizer is positioned inside the housing. The housing is attachable to the overhead airflow nozzle. Once the ionization unit is attached to the overhead airflow nozzle, a dome of bipolar ionized air is created above the seated passenger.

Abstract: A filter system can include a replaceable filter cartridge having a spinner element structured to swirl a mixed flow of compressible fluid and oil, as well as an end cap used to enclose an open interior of a filter media of the filter cartridge. The filter cartridge can be configured to interface with and be supported by a mesh holder. A housing can be attached over the filter cartridge to enclose the system and create a flow path for a mixed flow of compressible fluid and oil. The replaceable filter cartridge can be constructed of materials suitable for disposal in a waste incineration process. The mesh holder can be inserted on a combo-block and secured in place by a compression fitting. A stand pipe can extend into the interior of the filter media and be coupled with a central passage of the mesh holder.

Abstract: A rodent protection insert for a structure opening including a flexible polymer foam sheet having a protective mesh sheet carried on a front side which moves independently of the foam sheet. A securing member maintains a mechanical connection between the flexible polymer foam sheet and the mesh sheet. An airflow port is disposed in the flexible polymer foam sheet that includes a removable plug for controlling airflow through the airflow port. A perimeter edge of the flexible polymer foam sheet compresses against and conforms to interior wall surfaces within a structure opening when mounted to form an airtight seal against the interior wall surfaces and hold the foam sheet in place. The protective mesh sheet engages the interior wall surfaces when the flexible polymer foam sheet is compressed in the structure opening so that the protective mesh sheet stabilizes and supports the flexible polymer foam sheet within the structure opening.

Abstract: The cleaner includes a suction inlet configured to guide air and dusts, a main body including a first cyclone unit configured to separate the air and the dusts, which are suctioned through the suction inlet, from each other, and a dust separation module separably connected to the main body and including a second cyclone unit configured to separate the dusts from the air discharged from the first cyclone unit.

Abstract: A compressor system includes a compression module having an inlet for receiving air; and a filter housing in fluid communication with the compression module. The filter housing is constructed to house a filter, the filter having a sealing feature disposed at a first end of the filter and having an engagement feature disposed at a second end of the filter opposite the first end. The filter housing includes a trap door constructed to contact the engagement feature, and constructed to drive the engagement feature in a direction parallel to an axis of the filter toward the sealing feature and urge the sealing feature into sealing engagement with the filter housing.

Abstract: A filtering module includes at least one reinforced aluminum side plate and at least one filtering mesh. The reinforced aluminum side plate surrounds to form a rectangular frame. The reinforced aluminum side plate includes a top plate, a connecting plate, a base plate and a positioning plate. The connecting plate is connected between the top plate and the base plate. The base plate and the top plate are substantially parallel with each other. The base plate has a treated surface away from the top plate and configured to abut against a fan filtering unit. The top plate has a supporting surface away from the base plate. The positioning plate is disposed perpendicularly on the supporting plate and aligns with the connecting plate. The filtering mesh is at least partially supported on the supporting surface and at least partially abuts against the positioning plate.

Abstract: A modular filtration device is composed of a modular docking plate having at least one quick disconnect plumbing coupling; at least one electrical connector; and at least one alignment feature for aligning and receiving a modular filter; and a modular filter composed of a docking face having: at least one quick disconnect plumbing coupling; at least one electrical connector; and at least one alignment feature that mates with an alignment feature of the modular docking plate to provide proper alignment of the filter with the docking plate, engagement of the quick disconnect plumbing couplings, engagement of the electrical connectors, and engagement of the locking mechanism. The modular filtration device comprises a locking mechanism to hold the filter in place during operation. A modular filtration system is composed of a plurality of the filtration devices.

Abstract: A modular filtration platform having at least one manifold head and at least one respective filter cartridge assembly. Each manifold head is connected to one another to establish a water flow in a series or parallel manner. Each filter cartridge assembly is releasably secured from rotation relative to the manifold head by a locking mechanism. An aperture on the filter cartridge assembly annular collar mates with a protruding resilient extension on either the manifold head or support bracket. Alternatively, an aperture on the filter cartridge assembly annular collar and an aperture on the manifold head annular collar mate with a protruding member from a locking ring extending through both apertures. An integrated sensor package may be integrated with the system for true managed water visible/audible indications and Wi-Fi interface to facilitate virtually instantaneous response times for filtration needs.

Abstract: An exchangeable filter of a treatment device has a housing with a housing pot and a housing cover connected to the open side of the housing pot. The exchangeable filter is connectable to a connecting head of the treatment device with a bayonet-type connecting device. The connecting device has a housing connecting part on the housing interacting with a head connecting part of the connecting head for connecting the connecting device. The housing has an inlet for a fluid to be treated connectable to a supply conduit of the treatment head and an outlet for the treated fluid connectable to a discharge conduit of the treatment head. The housing pot has a rim at the open side of the housing pot. The rim radially outwardly surrounds the housing connecting part and axially projects past the housing connecting part in a direction away from the housing bottom.

Abstract: A fan assembly is disclosed. The fan assembly can include a first support frame. The fan assembly can comprise a shaft assembly having a first end coupled with the first support frame and a second end disposed away from the first end. A second support frame can be coupled with the first support frame and disposed at or over the second end of the shaft assembly. An impeller can have fan blades coupled with a hub, the hub being disposed over the shaft assembly for rotation between the first and second support frames about a longitudinal axis. Transverse loading on the shaft assembly can be controlled by the first and second support frames.

Abstract: Systems and methods are disclosed for an air intake assembly comprising an airbox defining a plenum for enclosing an air filter, an intake tube attached to the air filter at a first end of the intake tube, the intake tube having a shoulder, and a multi-lipped gasket for detachably connecting the intake tube to the airbox, the multi-lipped gasket comprising a body portion defining a bore for sealingly engaging the intake tube, a lip adjacent the bore for engaging the shoulder of the intake tube, and a pair of distal lips for sealingly engaging the airbox, wherein the airbox, the air filter, and the intake tube are adapted so that air flows into the airbox, through the air filter, through the intake tube, and into a combustion engine (optionally reaching the combustion engine by first passing through a turbocharger and intercooler) of a vehicle.

Abstract: A fluid filter device and method are disclosed. The fluid filter device includes a first disk having an opening forming an inlet and a second disk having an opening forming an outlet. A cylindrically shaped soft housing is disposed adjacent the first disk at one end and engaging with the second disk at its other end. A first cylindrical shaped permeable bag filter is encased by the soft housing. The bag filter has a closed end disposed adjacent the outlet, and the bag filter has an open end coupling with the first disk to form a seal around the inlet such that liquid entering the inlet permeates through the bag filter to a region between the bag filter and the soft housing before exiting the outlet.

Abstract: A separating device for separating a liquid from gas is provided with a separating element that has a housing with housing cover closing off an end face of the housing. A filter element is arranged in the housing. A coupling element is provided to couple the separating element to a connector device. The housing cover has a central first gas passage and a second gas passage arranged radially outwardly of the first gas passage. The housing cover has a housing cover thread correlated with the first gas passage. The housing cover thread is to be screwed to a coupling element thread of the coupling element. A fluid discharge channel is arranged within the coupling element for discharging separated liquid from the separating device. The housing cover thread and the coupling element thread, in a position of use of the separating device, are connected substantially seal-tightly to each other.

Abstract: An air purifier includes a first case and a second case that are insertably coupled such that the second case slides up and down with respect to the first case. The first case may suction air through a suction space provided at a bottom and a plurality of holes formed in a side wall. The second case may include a discharge grill provided at a top end through which air is discharged and a plurality of holes formed in a side wall through which air is suctioned when the second case is moved down to a first position and through which air is discharged when the second case is moved up to a second position. The top discharge grill may be opened and closed. The second case may also include a side discharge portion formed in the side wall above the plurality of holes. The side discharge portion may be opened and closed.

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 body can include a first plurality of lugs, wherein each of the first plurality of lugs has a first engagement surface disposed at a first angle that is oblique to a rotational plane of the cover. A second plurality of lugs can be provided on the cover, wherein each of the second plurality of lugs has a second engagement surface disposed at the first angle. A lock mechanism can also be provided that is disposed on the cover, wherein the lock mechanism includes a lock member axially movable between a locked position and an unlocked position to selectively secure the cover to the housing body.

Abstract: A filter element includes first filter media, second filter media, a frame, and a seal member. The frame is coupled to the first filter media and the second filter media, the frame securing the first filter media and the second filter media into a V-shape. The seal member is attached to and extends from the frame. The seal member includes a U-shaped channel structured to receive a ridge of a housing when the filter element is installed in the housing. The seal member is structured to form a seal between the filter element and the housing when the filter element is installed in the housing.

Abstract: An apparatus and methods are provided for an air cleaner to be mounted onto an air inlet of an internal combustion engine. The air cleaner comprises an air filter that includes a filter medium disposed between a curved base and a cover. The curved base provides an interface between the air filter and the air inlet, and comprises a shape that provides clearance between the curved base and an electric choke installed onto a carburetor comprising the air inlet. The cover secures the air filter and the curved base to the air inlet such that an airstream is drawn through the filter medium and is conducted into the air inlet. A raised portion of the cover is configured to cooperate with the curved base to ensure a desired volume of the airstream is available to the air inlet at substantially all engine speeds.

Abstract: The present application provides a filter fixing device, comprising: a lock mounting piece, a hold-down piece, a push rod and at least one connecting rod. The lock mounting piece is provided with a lock used for engaging the lock receiving part on the filter fixing frame; the hold-down piece and the lock mounting piece are connected to each other in such a way that they can move relative to each other in a first direction, and the hold-down piece is used to hold down the filter; the push rod is connected to the hold-down piece and can pivotally rotate around an axis; at least one connecting rod is pivotally connected to the push rod and the lock mounting piece; the filter fixing device is configured in such a way that the rotation of the push rod relative to the hold-down piece may cause relative motion of the hold-down piece and the lock mounting piece in the first direction.

Abstract: A compressor system includes a compression module having an inlet for receiving air; and a filter housing in fluid communication with the compression module. The filter housing is constructed to house a filter, the filter having a sealing feature disposed at a first end of the filter and having an engagement feature disposed at a second end of the filter opposite the first end. The filter housing includes a trap door constructed to contact the engagement feature, and constructed to drive the engagement feature in a direction parallel to an axis of the filter toward the sealing feature and urge the sealing feature into sealing engagement with the filter housing.

Abstract: Systems and methods are disclosed for an air intake assembly comprising an airbox defining a plenum for enclosing an air filter, an intake tube attached to the air filter at a first end of the intake tube, the intake tube having a shoulder, and a multi-lipped gasket for detachably connecting the intake tube to the airbox, the multi-lipped gasket comprising a body portion defining a bore for sealingly engaging the intake tube, a lip adjacent the bore for engaging the shoulder of the intake tube, and a pair of distal lips for sealingly engaging the airbox, wherein the airbox, the air filter, and the intake tube are adapted so that air flows into the airbox, through the air filter, through the intake tube, and into a combustion engine (optionally reaching the combustion engine by first passing through a turbocharger and intercooler) of a vehicle.

Abstract: A filter assembly for an engine, has: a housing having a longitudinal axis and defining an internal volume, the housing having an open end; and a cartridge assembly receivable within the internal volume via the open end of the housing and securable to the housing, the cartridge assembly including a filter cartridge, a cover removably secured to the filter cartridge, and a sealing member between the cover and the filter cartridge, a locking engagement between the cover and the filter cartridge to limit an axial movement of the cover relative to the filter cartridge upon removal of the cartridge assembly from the housing.

Abstract: The attaching/removing workability of the collecting vessel of a conditioning apparatus with respect to a port block is increased. A primary-side port and a secondary-side port are formed in a port block 13, and a female screw part 27 that is screwed to a male screw part 23 is provided to the collecting vessel 24 that is mounted to the port block 13. An annular lock member 31 is mounted to the opening end of the collecting vessel 24 so as to be movable in the axial direction. A tongue piece 38 that presses the annular lock member 31 towards the outside in the axial direction of the collecting vessel 24 is provided to the inside of the annular lock member 31. A movable-side engagement part 41 that engages a fixed-side engagement part 42 of the port block 13 when the collecting vessel 24 is rotated to a position of fastening completion is provided to the annular lock member 31.

Abstract: An attachable air vent filter assembly for attachment to an air vent register of a HVAC system is disclosed comprising a filter housing having sidewalls and an open top, and the sidewalls being adapted to fit over the vent register. A removable filter carried within the housing having a filter medium for filtering air exiting from the vent register, and at least one air exit opening in the top of the housing for delivering air filtered by the filter medium directly into the interior space.

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

Abstract: A filter device is disclosed, including an air filter for a fresh air system of a motor vehicle. The filter device further include a filter housing which contains a receiving space. An annular filter element is inserted into the receiving space. The device also includes a cover for closing the receiving space. The cover is detachably fastened to the filter housing by means of a bayonet catch, so that the cover can be inserted axially into a cover receptacle formed on the filter housing and, when inserted, can be rotated between an unlocking position and a locking position.

Abstract: An air filter element (10) with a cylindrical central pipe (11) is provided wherein at one end of the central tube (11) a device (18) for transmission of torque from a tool to the air filter element (10) is provided and at the other end of the central tube (11) a fastening device (14) for detachably mounting the filter element (10) in a cylindrical support body (21) by means of an insertion/rotation movement is provided.

Abstract: A filter retention system for releasably retaining a filter cartridge in an operable position within air supply and air exhaust systems is comprised of a filter cartridge, filter retainers, mounting frame with integral sealing knife edge and filter alignment brackets. The filter retainers allow for installation and removal of the filter cartridge without the use of tools. The retention system automatically aligns filter cartridges such that an airtight seal is created between the sealant containing groove in the filter cartridge and the sealing knife edge of the retention system.

Abstract: An air cleaner assembly, a main filter element, a safety element, combinations and methods for servicing an air cleaner assembly are provided according to the present invention. The air cleaner assembly includes an air cleaner housing and a main filter element. The air cleaner housing includes a safety liner that supports the main filter element, and can be configured to help reduce the tendency of the main filter element to rotate during use of the air cleaner assembly. A safety element having two open ends, for use with such an assembly is described.

Abstract: Embodiments of the invention generally provide a holding frame having at least one rigid retainer and/or flexible retainers. The holding frame assembly is typically mounted in a housing of an air handler or other air moving conduit. The rigid retainer(s) and flexible retainer(s) are coupled to the holding frame assembly to define filter retaining pockets that retain a final filter within the holding frame assembly without use of clips and other fastening mechanisms.

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

Abstract: A filtering unit (10) comprising a casing (20) provided with at least one inlet (32), one outlet (33) and one support body (42) provided with abutment surfaces (44) adapted to removably support a filtering cartridge (50) contained within the casing (20) and adapted to divide the internal volume of the casing (20) into two chambers (21,22) respectively connected with the inlet (32) and the outlet (33) so as to filter the fluid flowing from the inlet (32) towards the outlet (33), the filtering cartridge (50) comprising at least one coupling element (55) configured to be snap-coupled to the support body (42) following a first axial translation for mutual approaching between the filtering cartridge (50) and the support body (42), whose distinctive characteristic lies in the fact that it comprises cam means (57,58) operating between the coupling element (55) and the support body (42) so as to radially bend the coupling element (55) in a release position for disengaging the coupling element (55) from the support el

Abstract: This disclosure describes examples of a seal element that can prevent leaks that occur due to sagging and/or displacement of a filter device from the tubesheet in a power generating system. The seal element can have a non-uniform profile that defines a material thickness for the seal element. In one example, the non-uniform profile defines an area or section of the seal element that is thicker relative to other areas or sections of the seal element. The thicker area corresponds to certain positions on the filter device that are susceptible to movement that can occur, e.g., due to particulate build-up during operation of the turbo-machine.

Abstract: A ventilation member (100) of the invention includes a tubular part (11), a gas permeable filter (19), and a cover part (31). In an attached state where the tubular part (11) is fit into the cover part (31), gaps functioning as gas passages (AR2 and AR3) are formed between a bottom portion (35) of the cover part (31) and the gas permeable filter (19) and between a side wall portion (39) of the cover part (31) and a body portion (17) of the tubular part (11). The opening area (S2) of a filter-end opening (15) with respect to an in-plane direction (WL) perpendicular to the thickness direction of the gas permeable filter (19) is larger than the opening area (S1) of a connection-end opening (13) with respect to the in-plane direction (WL).

Abstract: A cyclone separator (100; 100?) including a first cyclone component (10; 10?) having at least one substantially cylindrical cell pipe (12) including a guide device (14), a particle outlet (30) for separated particles, and a second cyclone component (20; 20?) including at least one immersion pipe (22). The immersion pipe (22) is received in the cell pipe (12), at the outflow side end and is connected at least partially to the outflow side end of the cell pipe (12) and includes a central outlet (24) for the purified gas stream.

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

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

Abstract: An exhaust treatment system includes an emissions treatment device for treating exhaust emitted from an internal combustion engine. The exhaust treatment system includes a frame adapted to support first and second spaced apart portions of the exhaust treatment system. The emissions treatment device interconnects the first and second portions and is in receipt of exhaust from the first portion and provides treated exhaust to the second portion. A first bracket is fixed to the frame and includes one of a protrusion and a receptacle. A second bracket is adapted to be fixed to the emissions treatment device and includes the other of the protrusion and the receptacle. The protrusion is positioned within the receptacle when the emissions treatment device is properly positioned. The protrusion interferes with one of the second bracket and the emissions treatment device to preclude assembly when the emissions treatment device is improperly positioned.

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

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

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

Abstract: A ventilation member (100) of the invention includes a tubular part (11), a gas permeable filter (19), and a cover part (31). In an attached state where the tubular part (11) is fit into the cover part (31), gaps functioning as gas passages (AR2 and AR3) are formed between a bottom portion (35) of the cover part (31) and the gas permeable filter (19) and between a side wall portion (39) of the cover part (31) and a body portion (17) of the tubular part (11). The opening area (S2) of a filter-end opening (15) with respect to an in-plane direction (WL) perpendicular to the thickness direction of the gas permeable filter (19) is larger than the opening area (S1) of a connection-end opening (13) with respect to the in-plane direction (WL).

Abstract: An air cleaner assembly includes an air box and an air filter. The air box includes a body and a lid. The body includes a lower rib member coupled with at least one of a wall and a floor. The lid is movable to a closed position and includes an upper rib member that includes shoulder and arm portions. The air filter element includes a first end and defines outer and first end surfaces. The shoulder and arm portions define respective shoulder and arm surfaces. When the lid is in the closed position, the first end is sandwiched between the upper and lower rib members, the outer surface contacts each of the rest and shoulder surfaces, the first end surface contacts the arm surface, and the air filter element is positioned between and spaced from each of the floor surface and the lid surface.

Abstract: An air filter system and an air filter therefor are provided for use in a building with first and second zones separated by a wall-door system having a wall with a door therein. The gap between the door edges and the door frame and the door threshold region has an air flow permitting region in at least a portion of the gap. An air filter is mounted to extend substantially across the air flow permitting region.

Abstract: A gas turbine air filter system includes a frame and at least one guide attached to the frame. A first lever is attached to the frame and can pivot with respect to the frame to engage a first filter. A second lever is attached to the frame and can pivot with respect to the frame to engage a second filter. A method for securing gas turbine air filters includes inserting a first filter into a frame inside at least one guide and pivoting a first clamp connected to the frame to engage at least a portion of the first clamp with the first filter. The method further includes inserting a second filter into the frame inside the at least one guide and pivoting a second clamp to engage at least a portion of the second clamp with the second filter.

Abstract: A filter element for a combustion tool includes a filter medium having pores with a pore size greater than a target particle size.

Abstract: An air cleaner assembly, a main filter element, and a method for servicing an air cleaner assembly are provided according to the present invention. The air cleaner assembly includes an air cleaner housing and a main filter element. The air cleaner housing can include a safety liner or support having a closed end cap that supports the main filter element, and helps reduce the tendency of the main filter element to rotate during use of the air cleaner assembly.

Abstract: Disclosed is a vacuum system capable of realizing a simple, compact configuration using a filter cartridge. The vacuum system makes use of a container-shaped filter cartridge, which includes an intake port, an inflow port for compressed air, and a mounting port in a sidewall thereof, and a filter which is disposed in a space therein covered by a cap and filters air flowing in through the intake port. An ejector pump passes through the mounting port of the filter cartridge, is installed such that one end thereof is adjacent to or inserted into the inflow port, and includes a through-hole formed in a nozzle body so as to communicate with the space inside the filter cartridge. In the state in which the ejector pump is mounted, the filter cartridge is used as a housing providing a vacuum chamber or an enclosed space.

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