Abstract: The spray gun filter according to the invention for filtering liquid comprises a filter fabric and a filter support, which has outlet openings for the liquid and which surrounds the filter fabric from the outside.

Abstract: Filter module and filter unit with an inlet for medium that is to be filtered, and with an outlet for the permeate, with at least one filter sheet, a first spacer adjacent to the media side and a second spacer adjacent to the permeate side, the spacers being designed with a draining action, and the first spacer being connected to an inlet and the second spacer to an outlet, wherein the at least one filter sheet forms a first filter unit together with the two adjacent spacers, the filter sheet is designed as a single filter or a filter stack, the first spacer is designed to be impermeable to liquid on its outer face directed away from the filter sheet and is sealed off at its boundary to the outlet end, and the second spacer is designed to be impermeable to liquid on its outer face directed away from the filter sheet and is sealed off at its boundary to the inlet end.

Abstract: A filter assembly may include an outer insert and an inner insert. The outer insert having an aperture and a plurality of outer grooves. The outer grooves are formed in a radially outer periphery of the outer insert and are separated from each other and the aperture. The inner insert may be disposed within the aperture. A plurality of inner grooves may be formed in a radially outer periphery of the inner insert. Each of the outer and inner grooves may have a closed axial end and an open axial end.

Abstract: Fluid distribution filters having spiral filter media and associated systems and methods are disclosed herein. In one embodiment, for example, a filter assembly can include a canister having a body portion positioned between a first opening and a second opening. The filter assembly can further include a filter media positioned in the body portion of the canister. The filter media can include at least one channel in fluid communication with the first and second openings. The channel can have a spiral-like shape and be configured to distribute incoming fluid across the filter media and move the fluid at a substantially equal velocity across the filter media.

Abstract: A shower filter between a downwardly slanting shower arm and a shower head, including a base, and a vertical housing with filler material. The base has an input chamber for receiving water from the shower arm, and an output chamber from which water may be discharged to the shower head. The housing is secured at its bottom end to the base and has a first port communicating with the base input chamber and a second port communicating with the base output chamber. A tube carries water from the housing first port to the top end of the housing, where it is diffused before passing down through the filter material and second port to the output chamber. A fragrant block is mounted to the base.

Abstract: Liquid filter arrangements are described and shown. The arrangements generally include a filter member comprising a shell enclosing a filter cartridge. Unique features for interface between the enclosed filter cartridge and the shell are provided. Also provided are unique features for interaction between the cartridge and a filter head, in use.

Abstract: A liquid filter assembly comprising a filter subassembly is inserted within an elongated tubular filter body, enclosed by a pair of end caps. The filter subassembly includes a plurality of filtration discs placed onto a tubular core and inner support member. A disc aperture is provided concentrically through each filtration disc. An outer filter support member and a central filter support member support each filtration disc. The outer filter support member engages with an interior of the elongated body and an end wall engages with the disc perimeter. The central filter support member engages with an exterior of the inner support member and an end wall engages with the peripheral edge about the filtration disc aperture. Fluid passes through the first end cap orifice, continuing through the inner support member, transferring flow through the filtration discs, returning through the inner support member, and exiting the opposite end cap orifice.

Abstract: A filtration apparatus includes: a filtration chamber; a sample introducing port for introducing a sample into the filtration chamber; a sample discharge port disposed at a position on an opposite side of the filtration chamber from the sample introducing port; a filtration filter provided in the filtration chamber to filter the sample introduced from the sample introducing port; and a filtrate discharge port for discharging filtrate which has passed through the filtration filter. The filtration filter is disposed such that its filter face is parallel to a flowing direction of the sample introduced from the sample introducing port when the sample discharge port is open. An opening and closing mechanism for opening and closing the sample discharge port is disposed between the filtration chamber and the sample discharge port.

Abstract: A permeate adapter is provided. The permeate adapter may be used within a pressure vessel. The permeate adapter includes a front portion and an oppositely disposed back portion. The front portion includes a permeate opening for receiving an end of a permeate passage tube of a membrane cartridge and for being in fluid communication with a permeate reservoir. The front portion and the back portion each include one or more fluid openings. Fluid passageways are connected between the one or more front portion fluid openings and the back portion fluid openings. The fluid passageways receive an end of a membrane cartridge at the front portion. At the back portion, the fluid passageways are in fluid communication with a fluid reservoir adjacent the back portion of the permeate adapter.

Abstract: A stormwater filter assembly includes a hood and an outlet tube within the hood for draining filtered stormwater. The outlet tube has a solid wall along at least a portion of its height, and an inlet above the solid wall. A second tube is disposed about the outlet tube defining a flow space therebetween for receiving filtered stormwater. The second tube includes a wall that is perforated along at least a portion of its height that overlaps with the solid wall of the outlet tube such that filtered stormwater that enters the flow space must move upward to enter the outlet tube. A filter media is disposed between the hood and the second tube through which stormwater travels during a filtering operation.

Abstract: A reducing agent container having a multi-function and having a container body thereof is provided with at least a heat exchanger which permits a heating medium using an engine as a heat source thereof to circulate therein for performing the heat exchange with a liquid reducing agent and a strainer which filtrates foreign substances from the liquid reducing agent, the heat exchanger and the strainer being attached to a top board of the container body. Further, a suction pipe capable of sucking the liquid reducing agent from the inside of the container body is connected to the strainer, and a supply port for the liquid reducing agent from which the foreign substances are filtrated is formed in the strainer. Thus, the whole of strainer is not exposed to the outside air, especially, the wind during traveling, and accordingly, the freezing of the urea aqueous solution in the strainer can be suppressed.

Abstract: A scavenging filter includes a volume containing activated beads or fiber particles of a scavenging material housed in a removable housing in a cartridge filter body having an axial inlet extending to a space below a permeable false bottom, the fluid permeating upwards through the material, and cleaned liquor leaving via an annular space surrounding the chamber.

Abstract: Liquid filter arrangements are described and shown. The arrangements generally include a filter member comprising a shell enclosing a filter cartridge. Unique features for interface between the enclosed filter cartridge and the shell are provided. Also provided are unique features for interaction between the cartridge and a filter head, in use.

Abstract: A straight-through flow filter element is provided in which an L-shaped ring is spaced from one of the inlet and outlet flow faces. The seal member may extend therefrom in a cantilevered manner away from one of the flow faces. The spacing may be facilitated by way of spacer elements which may contact the flow face and thereby also support the flow face toward the outer perimeter.

Abstract: A filter assembly, comprising: a housing defining an inner cavity; a mounting member formed with the housing, the mounting member having at least one feature for engaging a feature of a center tube of a removable filter cartridge being configured to be removably inserted into the housing, wherein the at least one feature engages the feature of the center tube as the filter assembly rotates therein.

Abstract: A filter cartridge (10), in this case comprising an injection moulded cylindrical plastics body (11) having spaced anti-tracking ribs (12) which are disposed unevenly along the inner surface (13) of the hollow body (11). First and second paper rolls as filter elements (14 and 15) have been pushed under compression into the hollow body (11) and are separated by spacer means (16) located centrally within the hollow body (11). Spacer means (16) is made from two separate spacers (18) which are generally made in the form of a spoked wheel type arrangement. Each spacer (18) comprises an outer ring (19) and an inner ring (20), the inner ring (20) has four apertures or recesses (21) on its top and offset by 45 degrees equally on its opposite side are four more equally spaced apertures (21) making a total of eight, the apertures provide flow through passages (21) through the inner ring (20), plastic connector portions (22) extend radially between the rings (19 and 20).

Abstract: A diesel filter includes a filter member and a water reservoir formed below the filter member. The filter member has a case, a cap for closing the opening of the case, an element, and an element-holding member for holding an upper part of the element, and is detachably housed in the case. The element-holding member has an opening that allows fuel to flow out, and the fuel introduced from a fuel inlet port to a portion above the element-holding member is then introduced to the water reservoir via a passage formed between the inner peripheral surface of the case and the outer peripheral surface of the element.

Abstract: A compact filter element in which the end faces of a plurality of nonwoven filter layers (3) are fixedly integrated into a cover (4) and in which the oncoming flow of fluid to be filtered is deflected in the cover (4) in such a way that the fluid flows respectively into every second or alternating area between two adjacent nonwoven filter layers (3) and flows through the nonwoven filter layers (3) into the intervening spaces between the spaces between filter layers in to which it initially flows, from which intervening spaces it exits the filter element.

Abstract: A filter, comprising: a housing defining an inner cavity; an inner sleeve disposed within the housing, the inner sleeve having portions in a spaced relationship with respect to the an interior surface of the inner cavity; a plurality of tab members extending away from the inner sleeve, the tab members being configured to be removably secured to a feature of a cap, the cap being configured to engage the housing to provide a first position and a second position with respect to the housing, wherein the first position seals the inner sleeve to the housing and a fluid filtration path from an inlet of the filter to an outlet of the filter is defined by the inner sleeve and the second position provides a fluid drain path through an opening in the cap, the fluid drain path being closed when the cap is in the first position; and a filtration media disposed within an interior area of the inner sleeve, wherein the filtration media is disposed in the fluid filtration path and fluid flow through the outlet opening must pa

Abstract: An apparatus for purifying a liquid including: reaction chambers that utilizes an ionization reaction material in turbulence with the liquid, a first fine collective filtration unit, a first laser photolytic light chamber that utilizes ultraviolet light in the 100 to 300 nanometer range to irradiate liquid, a second ultra-fine collective filtration unit, and a pharmaceutical grade granular activated carbon filter unit.

Abstract: Hydrocarbon processing devices and systems are constructed to modify the combustion characteristics of hydrocarbon fuels and emissions for the purpose of emissions reduction and to increase the overall performance characteristics of the engine. According to one exemplary embodiment, a catalytic device for processing a fluid containing hydrocarbons includes a reactive body formed of a plurality of metallic materials arranged in a layered structure. The plurality of metallic materials is formed of at least two different materials. The body has an inner core member having a first density and another region, that is formed along a longitudinal length of the rolled layered structure, has a second density which is less than the first density.

Abstract: Particular aspects of the inventive technology may, in embodiments, relate to a fluid filter apparatus that includes a filtered fluid conduit that has a length that is at least three times a characteristic diameter; and a plurality of holes, wherein at least one of said holes has a first shape and engages an end cap during fluid filter operation, and wherein at least one other of said holes has said first shape and passes filtered fluid from outside of said filtered fluid conduit to a conduit interior during fluid filter operation.

Abstract: A permeate adapter is provided. The permeate adapter may be used within a pressure vessel. The permeate adapter includes a front portion and an oppositely disposed back portion. The front portion includes a permeate opening for receiving an end of a permeate passage tube of a membrane cartridge and for being in fluid communication with a permeate reservoir. The front portion and the back portion each include one or more fluid openings. Fluid passageways are connected between the one or more front portion fluid openings and the back portion fluid openings. The fluid passageways receive an end of a membrane cartridge at the front portion. At the back portion, the fluid passageways are in fluid communication with a fluid reservoir adjacent the back portion of the permeate adapter.

Abstract: A fuel filter assembly includes a housing having an end supporting a first tube. The housing defines a cavity that is enclosed by a cover opposite the end. A diverter is arranged within the cavity and includes first and second sides with the first side adjacent to the housing end. The diverter includes a wall on the first side in sealing engagement with either the first tube or the housing end. The diverter is constructed from a first material forming a base and a second material supported by the first material defining at least a portion of the first side. The second material may be overmolded onto the first material. Preferably, the first material is a plastic and the second material is an elastomer forming a gasket suitable for providing a seal between the diverter and the housing. One end of the filter media is embedded in the adhesive on the second side of the diverter.

Abstract: A fluid filtration system housing has first, second and third openings. A cap is removably and sealably attached to the first opening. A filter assembly is fitted in the housing to thereby define a first chamber accessible via the third opening and a second chamber accessible via the second opening and sealed by the cap.

Abstract: A fluid treatment system that includes at least one treatment module (“pod”) with rigid and impermeable inner and outer surfaces, and an annular center passage which is designed to provide an alternative flow path during the pod backwashing process. At least one chemical treatment media disposed in the interior portion of the pod. A riser extends upwardly through the pod so that the outer surface of the riser and the inner surface of the pod define the annular passage. At least one valve assembly controls the movement of a fluid within the annular passage. The pod is serviced by directing the fluid into the riser and then directing the fluid through the pod, a portion of the fluid flowing through the annular passage.

Abstract: An apparatus and method for purifying a liquid including: reaction chambers that utilizes KDF 85 or KDF 55 or other media in turbulence with the liquid, a first fine collective filtration unit, a first laser photolytic light chamber that utilizes a laser producing ultraviolet light in the 100 to 300 nanometer range passing through a quartz tube that is surrounded by the liquid, a second ultra-fine collective filtration unit, a pharmaceutical grade granular activated carbon filter unit, and a second laser photolytic light chamber that utilizes a laser producing ultraviolet light in the 100 to 300 nanometer range passing through a quartz tube that is surrounded by the liquid wherein the laser light generator is the same one utilized in the first photolytic light chamber, whereby microbes are killed and collected, aromatic ring structures are eliminated and any particulate matter 0.5 microns or larger are removed from the liquid.

Abstract: The present invention relates to a method for the production of liquid cleaners, consisting of a cleaner housing with a cleaning chamber exhibiting an inner and an outer end, and a cleaning insert arranged inside the cleaning chamber. The cleaner housing is given a conical shape such that the cleaning chamber receives a smaller lateral dimension at its inner end than at its outer end, said outer end being openable. The cleaning insert is manufactured from a fluid-permeable, compressible cleaning material with a lateral dimension that in an initial state, outside the cleaner housing, exceeds the smaller lateral dimension of the cleaning chamber. The other end of the cleaner housing is kept open, and the cleaning insert is inserted into said other end having the larger lateral dimension, and is pressed into the cleaning chamber towards the end having the smaller lateral dimension.

Abstract: The present invention relates to a continuous filtration device in a liquid path, characterized in that it comprises, in combination: a modular ultrasonic treatment unit (12) which is in the form of a tubular metal body (11) with a cylindrical internal surface (13) and of circular cross section, open at both its feed end (10) and its discharge end (15), the external surface of the said tubular metal body having, in the vicinity of the nodal zone, a collar (17) which is coaxial with the said tube and which projects radially, this collar being equipped at its periphery with an ultrasonic converter (19) which projects radially and whose frequency is equal to the vibration frequency of the said collar (17) and to the longitudinal vibration frequency of the said tubular metal body (11), and a filtering cylindrical element (14) having a minimum filtration area of about 50 cm2 and preferably about 80 cm2 with a mesh opening less than about 20 ?m, which is arranged inside the tubular metal body (11) and coaxially

Abstract: The invention relates to a fuel filter for an internal combustion engine, comprising a filter housing consisting especially of metal, and a filter element and a pressure-regulating valve located in said filter housing. The aim of the invention is to ensure that no noise originating from the pressure-regulating valve is emitted. To this end, the pressure-regulating valve is mounted in the filter housing in such a way that vibrations are dampened.

Abstract: A filter cartridge assembly (10) including respective disposable elements (11) positioned either side of a three part reusable flow through spacer elements (12), the spacer elements (12) comprises three parts, opposed support sections (19) and (20) and an outer locator ring (21). The support sections (19) and (20) have filtrate flow through passages (22) and abutment flanges (23) which abut to provide radial flow through passages (24). Each of the supports (19) and (20) include circular ridges (25) and (26) at the inner and outer peripheral edges designed to push into the paper roll (16) while O-rings (27) and (28) provide seals between the supports (19) and (20) and the ring (21) and the outer body (13) of the respective elements (11).

Abstract: A filter assembly (20) is described that includes a sub-stantially recyclable filter cartridge (30) inside a pressure vessel (22). The invented filter cartridge comprises substantially non-pressure bearing walls, except for a pressure-bearing neck (44) that is adapted to with-stand high pressures preferably in the range of about 500 psi (34,47. 105 Pa) from the inside. The walls of the filter cartridge that are incapable of withstanding significant internal pressure are surronded on the outside by a pressure vessel (22). The invented cartridge need not seal et the pressure vessel, because the cartridge neck (44) protrudes outside of the pressure vessel (22) to seal directly to a filter head. The, cartridge preferably includes a quick-disassembly mechanism for allowing quick and non-destructive access to the internal components and media of the cartridge.

Abstract: A maintaining device for a filter medium having a stack of filtration disks presenting a central aperture, characterized in that it comprises a first flange with at least one central opening, a second flange and at least one perforated first central element intended to operate together with said central aperture of said stack of filtration disks, said first central element being integral at one its extremities with said second flange and being provided at its other extremity with ratchets intended to operate together with said central opening of said first flange.

Abstract: According to the present invention, an edge filter for a pressurized fuel rail system having a plurality of fuel injectors from which pressurized fuel is fed to the injectors through a fuel inlet tube is disclosed. The edge filter has contoured leading and trailing ends that may be either spherical or conical to reduce turbulence in fuel upstream and downstream of the edge filter. The edge filter has inlet and outlet slots that are sloped between about 5% and 15% with the depth of the inlet slot decreasing as it approaches the outlet end and the depth of the outlet slot increasing as it approaches the outlet end.

Abstract: A filter assembly is described that includes a substantially recyclable filter cartridge inside a pressure vessel. The invented filter cartridge comprises substantially non-pressure bearing walls, except for a pressure-bearing neck that is adapted to withstand high pressures preferably in the range of about 500 psi from the inside. The walls of the filter cartridge that are incapable of withstanding significant internal pressure are surrounded on the outside by a pressure vessel. The invented cartridge need not seal to the pressure vessel, because the cartridge neck protrudes outside of the pressure vessel to seal directly to a filter head. The cartridge preferably includes a quick-disassembly mechanism for allowing quick and non-destructive access to the internal components and media of the cartridge.

Abstract: A packaged fluid filter comprises a sealed canister fitted with fluid inflow means and fluid outflow means which communicate internally of the canister respectively with proximal ends of an axial flow filter element hollow core spool, and outflow face of wound tissue laid on said core spool, thereby serving to eliminate need for a fixed spool holder internally of the canister.

Abstract: The present invention typically involves the use of a compressed blocking area to assist in sealing a filter element and avoiding channeling in a wound fibrous tissue filtering system. It may involve the use of multiple, spaced, interstitial rings. It may involve the intentional wasting of a portion of the filter element to create a compressed blocking area. It may also involve the use of different heights of the rings and may include the use of compression and secondary tapers on the rings. The heights and spacing of the rings with respect to the other ring or rings may vary in a certain ratio.

Abstract: The present invention typically involves the use of a compressed blocking area to assist in sealing a filter element and avoiding channeling in a wound fibrous tissue filtering system. It may involve the use of multiple, spaced, interstitial rings. It may involve the intentional wasting of a portion of the filter element to create a compressed blocking area. It may also involve the use of different heights of the rings and may include the use of compression and secondary tapers on the rings. The heights and spacing of the rings with respect to the other ring or rings may vary in a certain ratio.

Abstract: A spiral wound type membrane element is formed by winding independent or continuous envelope-like membranes around the peripheral surface of a water collection pipe and interposing raw water spacers between the envelope-like membranes. When running, raw water is supplied from at least the periphery side of the spiral wound type membrane element and permeate is taken out from an opening end of the water collection pipe. In back wash reverse filtration, permeate is introduced from the opening end of the water collection pipe and permeate guided out from the peripheral surface of the water collection pipe is discharged from at least the periphery side of the spiral wound type membrane element.

Abstract: This invention relates generally to filters for removing impurities from liquids, and more particularly to a replaceable filter cartridge having a barrier for preventing contaminants from draining from a spent cartridge, as it is being replaced. The barrier comprises a layer of filter media closely surrounding an inner perforated conducting conduit.

Abstract: The base assembly of a fuel filter assembly includes a base member and a bimetallic disc. The base member has a fuel supply inlet for receiving a flow of new fuel from a fuel tank and an inlet plenum in fluid communication with the fuel supply inlet and the filter cartridge. The base member also has an excess fuel inlet for receiving a flow of excess fuel from the fuel injection pump, an excess fuel outlet in fluid communication with the fuel tank, and a fuel passage providing fluid communication between the excess fuel inlet and the excess fuel outlet. The bimetallic disc is disposed in the fuel passage adjacent an opening in the wall separating the fuel passage from the inlet plenum. The edge portion of the bimetallic disc is flexed away from the wall to open the opening when the temperature of the excess fuel is below a predetermined value, warming the new fuel to prevent formation of wax crystals.

Abstract: An in line fluid filter has an elongate tubular housing with end fittings. An axially disposed closed elongate cylinder is held within the housing defining an annular fluid chamber therebetween. The annular fluid chamber is divided into a plurality of concentric, parallel annular flow paths by at least one elongate concentric, fluid impermeable partition. The flow paths are occupied by a woven wire filter fabric with coarse mesh. This provides a long tortuous filter path that does not readily clog up and that prevents the passage of large particles.

Abstract: A fuel filter with a pressure regulating valve for fuel circulated from a fuel tank and injected into an internal combustion engine. The fuel filter comprises a filter pot closed by a cover and an annular filter element for radially filtering flow from the outside in. Fuel flows in and out through main flow connections on opposite sides of the filter. There is a recirculation connection to recirculate fuel. There is a pressure regulating valve on one end of the filter housing with the discharge connection. The pressure regulating valve operates against atmospheric pressure and has a spring-loaded diaphragm which acts in conjunction with a closure ram to close the inlet port of a recirculation flow duct which passes through the center of the filter and connects the regulating valve to the return connection. The diaphragm is fastened with the valve seat in a sealed manner to the edge of the pressure regulator housing, which open into the filter port and is formed in the cover of the filter housing.

Abstract: A full-flow filter is disclosed and which comprises a screen or element housed between two body halves. The construction of the filter is such that fluid to be filtered enters and exits the filter body from the same side thereof.

Abstract: The fluid treatment apparatus may comprise a sedimenter or agglomerator for insertion in a fuel line between a fuel tank and a fuel injection pump in order to remove dirt particles and water from diesel fuel passing along the fuel line. A water reservoir (4) is positioned at the bottom of the apparatus in order to collect the water removed from the fuel. In order to avoid applying a compressive clamping force to the side wall (17) of the water reservoir (4), the arrangement is such as to clamp only the top part of the side wall (17) ?as shown in FIG. 1! or else to apply no clamping force at all to the water reservoir (4) ?see FIG. 16!. This enables the water reservoir (4) to be made of cheap plastics material.

Abstract: The present invention is directed towards an apparatus for filtering particulate matter from a fluid. The apparatus is adapted to be placed within a bore of a housing, and in the preferred embodiment comprises a body member having a first end portion, a second end portion, and a middle portion disposed between the first and second end portions. A first flange and a second flange are connected to the first end portion. A third flange and a fourth flange are connected to the second end portion. A first fluid passing groove and a second fluid passing groove extend from the first end portion toward the second end portion. The first and second fluid passing grooves define a first web portion. A third fluid passing groove and a fourth fluid passing groove extend from the second end portion toward the first end portion. The third and fourth fluid passing grooves define a second web portion.

Abstract: A fuel filter element includes an outer casing within which is located an annular filter medium which surrounds an inner tube. The filter medium is supported by upper and lower annular support plates. The upper support plate is provided with apertures to allow fuel flow and the lower support plate has a series of apertures which are located adjacent the outer peripheral edge of the plate.

Abstract: A magnetic separator for separating magnetizable particles from a fluid is described herein. The separator includes a separating chamber having an inlet and outlet and a magnetic field generator for establishing an axial magnetic field within the separating chamber. Two or more magnetizable matrix elements are stacked axially within the chamber. A fluid distributor is provided for dividing a stream of fluid containing magnetizable particles supplied to the inlet of the chamber into two or more portions and directing each portion axially through a respective matrix element and thence to the outlet.

Abstract: A filter comprises a housing having a container and cover which enclose a filter element. The container includes a hollow central post which extends upwardly from the base of the container. The upper end cap for the filter element includes a base supporting the filter media and a cylinder extending downwardly within the central cavity of the filter media. A first seal is provided around the periphery of the upper end cap to seal the intersection between the container and the cover. A second seal on an upwardly-extending flange on the upper end cap seals against a corresponding downwardly-extending flange on the cover. A plurality of slots in the base of the upper end cap provide a flow path from an inlet on the cover to the upstream surface of the filter media. The lower end cap also includes a base supporting the filter media and a cylinder extending upwardly within the cavity of the filter media and defining a central lower opening for receipt of the central post.

Abstract: A fuel filter element includes an annular filter medium which is supported on a lower support plate. Fuel flows downwardly through the medium and then through apertures at the outer periphery of the support plate. The support plate is provided with depending annular baffles, the outer one being adjacent the apertures but inwardly thereof. The baffles and support plate form an air collection chamber from which air escapes at a controlled rate through an orifice into a central outlet tube.