Abstract: A filter unit includes at least one housing and at least one filter element designed for axial flow between its end faces that is inserted with at least a portion of its length into a tubular filter protection element and connected thereto and provided about its circumference with at least one endless sealing collar that is supported on the filter protection element and by clamping means is pressed against a sealing flange provided on the housing.

Abstract: Air filtration devices and systems are provided to filter conditioned air after air exits an air conditioner module located on a ground support equipment unit but prior to entering a grounded aircraft. Disclosed embodiments include a system with the air filtration unit located along a hose originating from an aircraft ground support unit and a system with the air filtration unit located along a hose originating from an aircraft. Certain embodiments of the air filtration unit include a diffuser, which is configured to couple to a filter and direct air through the filter during operation.

Abstract: The invention relates to a liquid separator, particularly an oil separator for compressed air systems. The liquid separator comprises a housing (15), which can be detachably connected by means of a bayonet-type connector (11) to a counterpart (12). The housing (15) is locked onto the counterpart (12) by axial tensioning forces (F) operable to lock the bayonet connector (11).

Abstract: An air cleaner 10 includes an air cleaner case 3 having an inlet 1 for introducing air and an outlet 2 for ejecting air. An intake pipe 5 having an intake opening 4 opened upward or obliquely upward in the air cleaner case 3 is connected to the outlet 2. The air cleaner 10 includes a main air filter element 6a positioned above the intake opening 4 and an auxiliary air filter element 6b, which is separate from the main air filter element 6a, positioned above the intake opening 4 but below the main air filter element 6a. The main air filter element 6a is configured to be detachable from the air cleaner case 3 with the auxiliary air filter element 6b fixed in the air cleaner case 3.

Abstract: A water dissipation device for a breathing circuit is provided, including a bucket-shaped hollow composite structure having walls made of a first inner layer made of water vapor wicking material, and a second outer layer of a water vapor breathable medium surrounding the first inner layer. The device defines a flow space surrounded by the composite structure to provide a superior way of removal of moisture or water vapor from a breathing circuit, due to the greater surface area of flow spaces bounded by a water vapor breathable medium and the use of a water vapor wicking material and relatively long dwell times and flow paths through the device. The result is that when the device is connected to a breathing circuit, rainout or condensation in the breathing tube and collection of water within the breathing circuit is significantly reduced.

Abstract: A filter cartridge, a safety element and fluid cleaner assembly are described. The fluid cleaner assembly generally includes a housing having a cover and a primary fluid cleaner section. The filter cartridge generally comprises z-filter media, arranged in a straight through configuration. Preferred cartridges include a seal gasket positioned to extend continuously around at outer perimeter of the straight through flow construction. The fluid cleaner assembly can have a precleaner positioned therein. Preferred features are described. Methods of assembly and use are also provided.

Abstract: A device for introduction of an ammonia dopant into a spectrometry system without the use of a delivery system containing ammonia. The delivery device includes an ammonium solid that will, upon the introduction of heat, yield ammonia gas for delivery into the spectrometer system. Use of such an alternative to traditional ammonia dopant systems will yield little or no change in spectrometer readings. The volumetric flow rate of the ammonium is controlled by the use of capillary tubes as the exiting pathway, where the flowrate is determined by the cross sectional area and length of the capillary tube. Delivery of the ammonia is aided by use of a frit or screen to permit only gas to exit.

Abstract: A filter arrangement includes a filter media pack having a side wall. A ring is oriented around and against the side wall of the filter media pack. The ring includes a band having an interior surface oriented against the side wall of the filter media pack and an opposite exterior surface. A first seal member is secured to the exterior surface of the band. The first seal member is oriented radially from the filter media pack. The filter media pack includes Z-media having an inlet flow face and an opposite outlet flow face. An air cleaner including a housing with a filter element operably installed therein is provided. Methods of installing, filtering, and servicing are described.

Abstract: An air cleaner assembly and components therefor are provided. Features are described providing for a cantilevered support of a filter cartridge contained therein, and also, in some examples anti-rotational support. Also, a supported housing seal is shown. A filter cartridge arrangement is described and shown. Methods of assembly and use are also described.

Abstract: A fuel delivery system for a turbine engine includes a fluid supply conduit. The conduit has an inner peripheral surface that defines a flow supply passage. A fuel strainer is received in the conduit. The strainer has a hollow, generally frusto-conical body with an outer peripheral surface. The strainer has a longitudinal axis. A plurality of holes extends through the body substantially radially to the longitudinal axis. The holes have an associated effective flow area. The outer peripheral surface of the body is radially spaced from the inner peripheral surface of the conduit along the length of the strainer such that a flow area is defined between the outer peripheral surface of the strainer body and the inner peripheral surface of the fluid supply conduit. The flow area is equal to or greater than the effective flow area of the strainer holes along the length of the strainer.

Abstract: An air cleaner assembly and components therefor are described. The components include features of an air cleaner housing; advantageous main filter cartridges; and, advantageous safety filter cartridge features. Features of the main filter cartridge are provided to engage an access cover of the assembly, and a cartridge support within the housing, in a preferred manner. Methods of assembly and use are also described.

Abstract: An air filter media construction or arrangement is disclosed. The air filter media construction or arrangement includes strips of media comprising corrugated sheets secured to facing sheets and forming inlet and outlet flutes secured to one another in a stack. Blocked stacked arrangements and slanted stacked arrangements are shown. Such stacked media is provided with molded end pieces to secure and seal opposite side edges of the media strips. Also described are serviceable filter cartridges and air cleaners including the filter cartridges.

Abstract: A method is provided for servicing a filter, and structure is provided disabling assembly of the filter unless an authorized replacement filter element is used.

Abstract: A strainer provided in a refrigerant piping of an air conditioning device through which refrigerant flows includes a cylindrical shell disposed in the refrigerant piping, a cage type filter which includes an opening at one end and a bottom at the other end facing with each other relative to the flowing direction of the refrigerant and a meshed circumferential portion for allowing the refrigerant to pass through, but preventing sludge to pass through an annular passage provided between an outer circumferential portion of the filter and an inner circumferential portion of the cylindrical shell for the refrigerant to flow through and a leading pipe inserted into the refrigerant piping for letting the refrigerant and sludge and having an opening disposed in the cylindrical shell adjacent and opposing to the bottom of the filter and an inner circumferential wall along which sludge flows.

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: The invention relates to a liquid separator, particularly an oil separator for compressed air systems. The liquid separator comprises a housing (15), which can be detachably connected by means of a bayonet-type connector (11) to a counterpart (12).

Abstract: An air conditioner having an interior casing in which an air filter is provided along an inner face of an air suction inlet, includes a filter cleaning part, a cleaning time drive member for moving the air filter and the filter cleaning part with respect to each other, and an ultraviolet light irradiation unit which irradiates the air filter with ultraviolet rays. The air filter and the filter cleaning part are relatively moved by the cleaning time drive member to remove dust adhered to the air filter, and the ultraviolet light irradiation unit irradiates an uncleaned face of the air filter with the ultraviolet rays.

Abstract: An air cleaner case of an air cleaner used in an engine provides a lower casing holding a cleaner element thereon, and a cover accommodating the cleaner element therein. The lower casing includes a base on which the cleaner element is mounted, an exhaust duct extending downward from the base so that air purified by the cleaner element is conveyed to the intake side of the engine, an inlet duct extending downward from the base along the exhaust duct, and an inlet cylinder extending upward into the accommodating chamber from the base so as to be continuous with the inlet duct.

Abstract: A filter assembly for filtering a liquid or gaseous medium includes a filter housing for receiving an exchangeable filter insert. The filter housing has a housing head and a housing cover that can be removably connected to the housing head by means of a connecting element. The connecting element interacts with a locking element associated with the housing head so that, for the purpose of assembly, the housing cover can be connected to the housing head only if the filter insert is located in the filter housing.

Abstract: A filter bowl and filter cover assembly is provided wherein the filter bowl is adapted to be easily mounted upon and removed from the filter cover by a plurality of bolt fasteners as a result of the bolt fasteners, connecting the filter bowl to the filter cover, being loosened to a predetermined degree and rotating the filter bowl relative to the filter housing in a clockwise direction so as to permit the head portions of the bolt fasteners to pass through key-hole shaped apertures formed within the filter cover. The filter bowl is able to likewise be easily and quickly re-installed upon the filter cover as a result of a reversal of the aforenoted removal procedures.

Abstract: A filter element is includes a cylindrical media pack defining a central open volume and a longitudinal axis; a first end cap having a central aperture in flow communication with the central open volume; and a second, closed end cap having a central region closing an end of the media pack central, open volume. The closed end cap includes a projection extending axially outwardly therefrom and positioned at a location intersected by the longitudinal axis. An end cover for an air cleaner includes an inner side including a central projection thereon. Preferably, the central projection comprises a wall that includes an outer perimeter defining a regular polyhedron having at least five sides. An air cleaner comprises a cylindrical filter element having a first open end cap, a second closed end cap, and a cylindrical media pack extending therebetween. The first end cap defines an internal radial seal region. The second, closed end cap has a central region including a circular recessed portion.

Abstract: Disclosed is a filter housing having two abutting filter housing portions with a filter element sized and configured to be installed the housing. At least one quick release retention clip is pivotally secured to the filter housing and operable between an engaged and a disengaged position. In the engaged position the retention clip retentively closes the housing. In the disengaged position the retention clip is operable to apply a separating force urge the filter housing portions to separate and release the filter element.

Abstract: A filter arrangement includes a media construction comprising a corrugated sheet secured to a flat sheet rolled into a coiled construction. A frame and a first seal member are provided. The frame secures the first seal member to the coiled construction. The first seal member is preferably oriented to form a radial seal with a housing. A second seal member is secured to the outer annular surface of the coiled construction. The second seal member includes a gasket extension having first and second opposite ends; an attachment portion; and a protrusion extending from the attachment portion. The second seal member is preferably oriented to form an axial seal with a housing. Air cleaners preferably utilizing filter arrangements as described herein operably installed within housings. Methods of installing, filtering, assembling, and servicing preferably include arrangements as described herein.

Abstract: The invention concerns a filter housing (1), in particular of an air filter for motor vehicles, that extends axially along a longitudinal axis (2) and comprises two detachably connected housing parts (3, 4). A locking connection (5) acting in the direction of the longitudinal axis (2) is provided between the two housing parts (3, 4), wherein the locking connection (5) in at least one rotational direction (6) of the first housing part (3) about the longitudinal axis (2) relative to the second housing part (4) can be brought into a position in which the housing parts (3, 4) are detachable in the axial direction.

Abstract: A filter apparatus includes a filter housing having at least one opening and a plurality of retention tabs positioned proximate to at least one of the openings and secured to the filter housing. Also included is a connection fitting having a tube segment sized and configured to be received into at least one opening of the filter housing, orientation tab or tabs secured to the connection fitting and positioned to be engageable between a portion of the plurality of retention tabs when in the installed position. A retention flange extends radially from the tube segment and is configured to retentively engage with the retention tabs to secure the connection fitting to the filter housing. The connection fitting is rotatable when the tube segment is received into the filter housing but is then rotationally locked relative to the filter housing when in the installed position.

Abstract: A fluted filter element may include one or more bridging elements to provide resistance to telescoping of the layers of the fluted filter element. The bridging elements are attached to one or both of the filter faces via adhesives, and/or mechanical means, and may also take the form of one or more beads of adhesive applied across one or both ends of the filter element. The adhesive beads may include a flexible element, such as a string, or strip of material embedded in the adhesive bead.

Abstract: The present invention provides an orientation device for enforcing correct orientation of a pleated filter element during installation into a filter support frame or filter housing, for example an automotive air cleaner. The orientation device includes at least one substantially rigid orientation rib positioned and mounted to have a portion of the rib extending between adjacent pleats of the pleated filter when the pleated filter is in an installed position. The orientation rib is positioned and mounted to block against at least a portion of the pleats of the filter element when the filter element is in an incorrect orientation, thereby preventing installation of the filter element.

Abstract: A smoke evacuating system for use during surgical procedures, particularly minimally invasive procedures involving the use of a laser or cautery at a surgical site having an associated higher than ambient pressure, wherein the system includes a filter with a site side and an outlet side and a fluid conduit extending between the surgical site and the filter. The filter includes a filter media and a housing substantially surrounding the filter media with a space between the filter media and the housing to collect condensed vapor. The filter exhibits low resistance or a low pressure drop and resists fluid flow, whereby the higher than ambient pressure is not substantially diminished and generates a fluid flow in the fluid flow path tending to carry smoke to and through the filter.

Abstract: A filter element and filter apparatus, and a method for fabricating a filter element, include a filter element having alternating layers of a face sheet material and a convoluted filter material, with the alternating layers forming substantially longitudinally oriented flutes that extend axially along, or past, a radially acting seal, into previously unused portions of the cavity of a filter housing. In some embodiments, structures such as struts extending partially across an outlet end of the filter element, or a rigid web formed by a layer of resin extending axially a potted length into pome of the flutes from the outlet end resist axially oriented pressure forces on the alternating layers.

Abstract: A cyclone separator assembly comprises a cyclone separator that removes large particles of dirt from a working airstream as it flows through the cyclone separator, and the separated large particles of dirt are deposited into a dirt cup. The cyclone separator assembly further includes a fine particle separation member comprising a plurality of apertures for separating fine particles of dirt from air in the cyclone separator or the dirt cup. The fine particle separation member can be formed in a wall of the cyclone separator, a sidewall of the dirt cup, or in the outlet of the cyclone separator assembly. The cyclone separator assembly can further include a guide plate for creating a direction change in the path of the working airstream to aid in the separation of fine particles of dirt from air passing through the outlet.

Abstract: The invention relates to a filter arrangement (1) for filtering a fluid, e.g. combustion air for a combustion engine. Said filter arrangement has several tubular sections or segments (2, 3). At least part of a wall (4) of at least one tubular section (2) comprises a filter material (4B). At least one tubular section (3) is designed in a bendable manner like a folding joint (5A).

Abstract: There is provided an air cleaner in which an adsorption element for adsorbing vaporized fuel is surely fixed to a housing without additionally providing a special step, and moreover the performance of element and the performance of an air cleaner itself can be maintained, and a manufacturing method for the air cleaner. The air cleaner is configured so that a filter element and an adsorption element for adsorbing vaporized fuel are incorporated in a housing formed by joining the open ends of a pair of housing members to each other. At the open end of each of the housing members, a welding protrusion projecting toward the open end on the other side is formed, and a connecting portion formed with a welding protrusion is provided on a holding frame of the adsorption element.

Abstract: A housing, which may be a filter housing, has break-away lock structure preventing movement in response to normal release force, and breaking-away from a housing section upon excessive release force, such that the housing may be re-assembled using the same housing sections, without having to use a new housing section to replace an old housing section otherwise having a non-re-mountable broken-off lock member.

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 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.

Abstract: A multi-cyclone dust separating apparatus includes a cyclone unit and a separable filter assembly adapted to be disposed at least partially in a discharge path of the cyclone unit. The cyclone unit includes a main cyclone, a secondary cyclone adapted to be disposed at substantially a same plane as the main cyclone, and a dust collecting casing adapted to substantially surround the main cyclone and the secondary cyclone. The dust collecting casing includes a dust chamber to collect dust separated at the main cyclone and the secondary cyclone.

Abstract: A smoke evacuating system for use during surgical procedures, particularly minimally invasive procedures involving the use of a laser or cautery at a surgical site having an associated higher than ambient pressure, wherein the system includes a filter with a site side and an outlet side and a fluid conduit extending between the surgical site and the filter. The filter includes a filter media and a housing substantially surrounding the filter media with a space between the filter media and the housing to collect condensed vapor. The filter exhibits low resistance or a low pressure drop and resists fluid flow, whereby the higher than ambient pressure is not substantially diminished and generates a fluid flow in the fluid flow path tending to carry smoke to and through the filter.

Abstract: A filter system for an internal combustion engine of a motor vehicle has a housing with a top housing part and a bottom housing part. A filter element is arranged inside the housing. An unfiltered air connector is connected to the housing. A clean air connector is connected to the housing The top housing part has a support grate embedded in foam material. The support grate and the foam material are configured such that bending of the top housing part in a direction of the bottom housing part is ensured when a load is applied.

Abstract: In a filter housing (100) for at least one axial flow filter element (70) capable of receiving axial flow between its end faces and having at least one continuous sealing collar on its outer circumference which can be pressed against a sealing flange (17) on the housing, a plurality of filter elements (70) can be inserted side by side into cutouts (19) of a common clamping frame element (30). Each of the sealing collars rests on the clamping frame element (30) which is plane parallel to the at least one sealing flange (17) and displaceable toward the sealing flange (17) by a clamping device (50).

Abstract: Fluid treatment arrangements (10) and methods for operating fluid treatment arrangements (10) may include fluid treatment assemblies (11) and manifold assemblies (12) that direct fluids to and/or from the fluid treatment assemblies (11).

Abstract: A filter element comprising a filter jacket, a fluted filter media, and an internal seal is provided. The filter jacket defines a filter jacket inner surface, a gravitational bottom, an upstream end, and a downstream end. The filter jacket includes a moisture release aperture disposed proximate the gravitational bottom. The fluted filter media resides within the filter jacket and defines a filter media outer surface. The fluted filter media comprises a planar sheet and a fluted material intermittently bonded together and collectively coiled to form a plurality of flutes. First and second selected ones of the plurality of flutes are closed proximate the upstream and downstream ends, respectively. The internal seal is formed between the filter jacket inner surface and the filter media outer surface. The internal seal is disposed within the filter jacket between the upstream and downstream ends. The moisture release aperture is located upstream of the internal seal.

Abstract: The invention relates to a gas filter insert (1), particularly an air filter insert for a fresh air system of an internal combustion engine, having a filter body (2) which extends in its longitudinal direction (4) in a U-shape around an inner chamber (5), and having a connector (3) which communicates with the inner chamber (5) and is arranged on the filter body on the open end-face side (7) thereof. In order to simplify the construction of the filter insert (1), the filter body (2) is sealed transversally to its longitudinal direction (4), with an end plate (9) on at least one end side (8).

Abstract: A filter element (1), which is formed particularly of a flat element wrapped into a compact body and which along its outer circumference has at least one continuous main sealing ring (2) disposed adjacent an end face (4) on the intake side, is provided with an additional emergency sealing collar (3) which encloses the filter body and is disposed near the end face (5) on the outlet side.

Abstract: The air-cleaner includes a housing. The air-cleaner includes a filter element located in the housing to filter air taken into the housing. The air-cleaner includes an adsorption element for adsorbing vaporized fuel flowing into the housing. The housing includes first and second housing components having open ends put on each other. The filter element is held between the first and second housing components, separating the housing into a clean side and a dust side. The adsorption element includes a frame at the periphery; and an adsorption portion located inside the frame. One of the first and second housing components as the clean side has an inner side back in the open end, the inner side having a mounting portion having the adsorption element mounted thereto. The mounting portion includes the adsorption element; and a support member placed thereon.

Abstract: Disclosed is a filter element (3) comprising a cylindrical, porous, longitudinally penetrated filter material core (5) and a frame (6) that tightly surrounds one end of the core in a radial direction and is provided with scaling and holding means via which the filter element (3) can be removably and tightly inserted into a filter housing (1, 2).

Abstract: A filter arrangement includes a media construction comprising a corrugated sheet secured to a flat sheet rolled into a coiled construction. A frame and a first seal member are provided. The frame secures the first seal member to the coiled construction. The first seal member is preferably oriented to form a radial seal with a housing. A second seal member is secured to the outer annular surface of the coiled construction. The second seal member includes a gasket extension having first and second opposite ends; an attachment portion; and a protrusion extending from the attachment portion. The second seal member is preferably oriented to form an axial seal with a housing. Air cleaners preferably utilizing filter arrangements as described herein operably installed within housings. Methods of installing, filtering, assembling, and servicing preferably include arrangements as described herein.

Abstract: A filter cartridge, a safety element and fluid cleaner assembly are described. The fluid cleaner assembly generally includes a housing having a cover and a primary fluid cleaner section. The filter cartridge generally comprises z-filter media, arranged in a straight through configuration. Preferred cartridges include a seal gasket positioned to extend continuously around at outer perimeter of the straight through flow construction. The fluid cleaner assembly can have a precleaner positioned therein. Preferred features are described. Methods of assembly and use are also provided.

Abstract: A foldable filter having a flexible filter media, a frame surrounding and supporting the filter media, the frame formed of rod members, at least two of which are flexible, each rod member extending between and connecting two corner regions, with the filter media being secured along its edges to the rod members. The filter may be folded by grasping two opposite rod members, rotating the two opposite rod members end over end oppositely relative to one another about a point generally midway along a length of the rod members to effect a relative 180 degree rotation between the two rod members, twisting the filter media, and folding the filter media in half by bringing the two rod members to lie on top of one another.

Abstract: An air cleaner located in the air intake tract of an internal combustion engine includes a filter housing, a filter element, and a sealing ring. The sealing ring comprises a support rim and a lip seal. The sealing ring is adapted to form a seal between an internal annular sealing surface of the filter housing and an interior annular sealing surface of a sealing band that is attached to one axial end of the filter element.

Abstract: A motor mount assembly for an air cleaner is provided according to an embodiment of the invention. The motor mount assembly includes a motor ring adapted for receiving a motor, a mount ring adapted to be received in the air cleaner, and a plurality of mounting vanes extending between the motor ring and the mount ring. A mounting vane of the plurality of mounting vanes includes a proximal end and a distal end. The distal end is affixed to the motor ring and the proximal end is affixed to the mount ring.