Abstract: A fuel filtration apparatus for use in an internal combustion engine comprises an interrupter valve in a flow path from an inlet port of a filter head to a compliant filter. The interrupter valve has an open state and a closed state. In the open state a protruding member of the filter depresses a bottom end of the valve and opens the flow path when the compliant filter is connected to the filter head. The interrupter valve also has a closed state wherein the flow path is closed in the absence of the protruding member of the filter (as with a non-compliant filter).

Abstract: A fluid filter includes a base plate, a canister, and filtering media contained in the canister for filtering fluid from an inlet port to an outlet port. Notches are formed into an outer periphery of the base plate. An annular bead of the canister side wall is partially formed into the notches to provide a torque locking mechanism between the base plate and the canister. The terminating lip portion of the canister is wrapped around the outer face of the base plate and formed into an annular trough to directly secure the base plate to the canister. The annular trough includes a diverging outer wall that provides a narrow contact interface between the terminating lip portion and the retention corner of the base plate to thereby reduce moment loads induced therebetween as a result of high fluid pressures in the filter.

Abstract: A container is provided comprising a casing, a set plate closing the lower end of the casing and a lock ring that fastens the set plate onto the casing. The casing is provided with a radial outer flange formed around an open end of the main body thereof. The radial outer flange and the outer periphery of the set plate are each provided with three stop projections and three notches. The radial outer flange is further provided with three biasing projections and the outer periphery of the set plate is further provided with three engagement rims. The members of each threesome are arranged at a regular angular interval and each threesome is arranged at different angular phase positions from those of the other threesomes. The outer periphery of the lock ring is provided with three engagement lugs that project inwardly at a regular angular interval.

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 filter system for a fluid having a cup-shaped housing releasably connected to a connecting head and a filter element arranged in the housing, in which the releasable connection is formed by at least one connecting element formed on the connecting head which engages a connecting element formed by a part of the filter element in combination with a part of the cup-shaped housing such that the connection between the housing and the receiving head can only be produced if a proper filter element is installed in the housing.

Abstract: A filter medium comprises: a) 55 to 80 percent by weight of activated carbon particles having a D50 of 70 to 130 micrometers and a D10 of 25 to 50 micrometers; b) 5 to 20 percent by weight of first catalytic activated carbon particles having a D50 in a range of 20 to 40 micrometers and a D10 of 2 to 20 micrometers; and c) 10 to 30 percent by weight of a thermoplastic binder that binds at least the activated carbon particles and the catalytic activated carbon particles into a porous unitary body, wherein the percent by weight of components a)-c) is based upon a total weight of components a)-c). A water filtration system including the filter medium is also disclosed.

Abstract: One embodiment is a unique replaceable filter element. Further embodiments, forms, objects, features, advantages, aspects, and benefits shall become apparent from the following description and drawings.

Abstract: The invention relates to an apparatus for separating blood, more particularly an apparatus (1) for absorbing blood (19) and separating blood components, e.g. blood plasma, as a sample liquid (2). Said apparatus (1) comprises a feeding device (13) for absorbing the blood (2), a device (15) for separating blood components as a sample liquid (2), a duct which preferably absorbs the sample liquid (2) exclusively by means of capillary forces, and a device for filling the duct (3) with sample liquid (2) in an inlet or feeding zone (18) of the duct (3). The separating device (15), in particular a membrane, is curved, especially convexly shaped, and the apex of said curved, especially convex shape projects into the filling device.

Abstract: A filter assembly (100) may comprise a filter cartridge (102) and a filter housing (101) which may include a cylindrical support (121) and a removable portion (110).

Abstract: A filter media includes a media pack having a central opening that extends between opposing ends of the media pack. A support member, such as a center tube, extends through the central opening and supports one of the opposing ends. A second support member, such as a filter cartridge assembly guide, is secured to the second support member and supports the other of the opposing ends. In one example, the center tube includes a seat that extends radially outwardly from an axially body of the center tube to support the media pack. The first and second support members are secured by an interlocking connection of any suitable configuration. The disclosed arrangement can be used to reduce the number of components required for providing a large number of filter cartridge assembly. Each of a plurality of media packs provide different heights. A first support member is selected to support one of the opposing ends. A second support member is selected to accommodate the height of the selected media pack.

Abstract: The present invention describes a fuel filter assembly useful in the purification of fuels such as diesel, gasoline, jet fuel, kerosene, heating oil and similar liquids. The fuel filter assembled herein described separates solids and semisolids particulates such as algae, microbial growth, fungi and the like from fuel, providing a much cleaner fuel to secondary fuel system, engine and fuel consuming devices. The said fuel filtering assembly comprises a removable lid mounted at the top of an upright vertical housing, a non-disposable removable filter unit enclosed in the internal cavity of the said housing and a multi-purpose base comprising fuel inlet and fuel outlet as internal passages within the said base.

Abstract: A fluid filter includes a base plate, a canister, and filtering media contained in the canister for filtering fluid from an inlet port to an outlet port. Notches are formed into an outer periphery of the base plate. An annular bead of the canister side wall is partially formed into the notches to provide a torque locking mechanism between the base plate and the canister. The terminating lip portion of the canister is wrapped around the outer face of the base plate and formed into an annular trough to directly secure the base plate to the canister. The annular trough includes a diverging outer wall that provides a narrow contact interface between the terminating lip portion and the retention corner of the base plate to thereby reduce moment loads induced therebetween as a result of high fluid pressures in the filter.

Abstract: A replaceable liquid filter, particularly for the lubricating oil of an internal combustion engine, having a substantially cup-shaped housing with a concentrically disposed outlet opening for the filtered liquid and at least one inlet opening for the liquid to be filtered and a filter element sealingly disposed between the inlet opening and the outlet opening. The housing is connected to a top plate, and the top plate is connected to an end plate. A connector for releasably coupling the replaceable liquid filter to a mating part is disposed concentrically in the region of the cover plate, such that the connector extends axially beyond the contour of the replaceable liquid filter.

Abstract: A drainless reverse osmosis (RO) water purification system provides relatively pure water for on-demand dispensing, while recycling brine to a domestic hot water system. The drainless purification system includes a pre-filter catalyst cartridge for removing chlorine-based contaminants from a tap water supply upstream from an RO membrane. The catalyst is regularly refreshed by a high through-flow of water to a conventional cold water dispense faucet, thereby significantly prolonging the service life of the RO membrane. The RO membrane is incorporated into a multi-cartridge unit adapted for facilitated slide-out removal and replacement as needed. A control valve recycles brine from the RO membrane to the hot water system during pure water production, and recirculates tap water through the RO membrane when a pure water reservoir is substantially filled. The multi-cartridge unit may further include an air filtration system for providing a flow of filtered air.

Abstract: A filter cartridge including a housing having a water inlet and outlet, a valve disposed in the housing and defining transversally aligned inlet and outlet passageways, and having a first key formation that vertically depends from the valve, a cartridge having transversely separated inlet and outlet ports transversely aligned relative to a longitudinal axis of the cartridge, each of the ports engageable in a corresponding one of the passageways, and a complementary key formation for engaging the first key formation for ensuring proper engagement of the ports in the passageways where the ports and the key formation project from a common plane. The valve is rotatable in the housing between an open position in which feed water passes through the inlet passageway and into the cartridge, and treated water flows to the outlet passageway, and a closed position in which water is prevented from flowing to and from the valve.

Abstract: A filter assembly having a filter head having inlet and outlet ports and a top cap having a substantially curved, non-planar flange portion, the non-planar flange sealingly received within the filter head such that the filter head is divided into inlet and outlet partitions. In some embodiments, the flange portion has a generally s-shaped cross-sectional profile. The flange portion incorporating a modified venturi for improved flow of both inlet and outlet streams through the filter assembly.

Abstract: A fluid filter includes a case in which an inflow path, an outflow path, and a drainage path are formed, a cap which is engaged with the case through axial rotation, a biasing device (a coil spring) which biases a filter element housed inside a casing constituted by the case and the cap toward the case side, a rotation restricting device (an abutting portion and a projecting portion) which restricts rotation of the filter element in a fastening direction when the cap is rotated relative to the case in the fastening direction, and a sealing member provided on an axial end surface side of the filter element, which seals the drainage path when the filter element is biased by the biasing device and rotation thereof is restricted by the rotation restricting device.

Abstract: A filter device includes at least one filter element (10) housed in a filter housing (22) and connected for the flow of fluid by fluid connections (30, 36) to a fluid device, in particular in the form of a hydraulic tank (40), using a connector device (44). A plunger valve arrangement is achieved, whereby the connector device (44) is provided with at least one longitudinally-displaceable blocking piece (46). In the blocking position, the blocking piece blocks the provided fluid connections (30, 36). After displacement into an open position, it releases the fluid connections. A blocking or releasing of the fluid connections in a rapid operation process is permitted to carry out a filter element exchange for the used filter medium.

Abstract: Filtration systems may comprise a manifold, a filter, a carriage, and a mounting mechanism. The manifold and the filter may each include an inlet fitting and an outlet fitting. The carriage may support the filter with the fittings of the manifold and filter respectively axially aligned. The mounting mechanism may be arranged between the manifold and the carriage to move the carriage and the filter between a disengaged position in which the filter fittings are spaced from the manifold fittings and an engaged position in which the filter fittings respectively engage the manifold fittings.

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: There is disclosed a liquid filter apparatus (10;10?), such as a cooking oil and/or fat filter apparatus comprising a filter means (100;100?) and at least one filter support means (105;105?). In use at least seal (110a;110b) is formed between the filter means (100;100?) and the filter support means (105;105?) by a liquid being filtered. The apparatus (10;10?) also comprises a cup (130;130?;202?,204?) for receiving matter from a liquid being filtered, wherein the filter means (100;100?) and cup (130;130?;202?;204?) are integrally formed in a single cup and filter body (135;135?). In disclosed embodiments the cup and filter body (135;135?) defines a single annular cup (130;130?). In another disclosed embodiment, the cup and filter body defines a plurality of concentrically aligned annular cups (202?;204?).

Abstract: A fluid filter device is described, where a flow attachment member provides a unique interface between the filtering element and a filter head. The fluid filter described herein generally provides a flow structure that is localized and sealed. The flow attachment member is configured to communicate fluid into and out of the fluid filter, and is configured to localize fluid flow both into and out of the fluid filter within a separating structure of the flow attachment member. The flow attachment member further includes a seal structure configured to substantially prevent or at least confine leakage to a localized area away from proximity of the edges of the housing. A composite filter head is described that has integrally molded inlet and outlet fittings.

Abstract: A fluid filter for a fluid circulation system having a filter mount, the fluid filter having: a housing; a filter element disposed within the housing; a tapping plate secured to the housing, the tapping plate defining a fluid inlet path for fluid to be filtered by the filter element and a fluid outlet path for fluid filtered by the filter element; and wherein a first peripheral edge portion of the tapping plate is engaged by a distal end of the housing that is bent around the first peripheral edge portion of the tapping plate and a second peripheral edge portion of the tapping plate is secured to an inner surface of the housing by an adhesive disposed between the second peripheral edge portion of the tapping plate and the inner surface of the housing.

Abstract: A filter assembly is disclosed. The filter assembly includes a filter including a filter media, and an end cap; a filter container including an open end, and a wall portion defining a cavity that is adapted to receive the filter, wherein the wall portion includes an inner surface defining the cavity; and a close-out member removably secured to the filter container proximate the open end, wherein the close-out member includes a circumferential wall, an end wall, an inner surface, and an outer surface, wherein the inner surface of the close-out member includes one or more filter-retaining elements that engages the end cap, wherein the one or more filter retaining elements are located proximate one or more of the circumferential wall and the end wall, wherein the one or more filter retaining elements include a radial portion extending radially inwardly from an inner circumferential surface of the circumferential wall, and an axial portion extending axially away from an inner end wall surface of the end wall.

Abstract: The invention concerns of exchangeable filter (10) with a cup (11) and a cover (12). Within the cup (11) a filter element (13) for purifying liquid, in particular lubricant oil, is arranged. The cover comprises an outer contour (16, 17, 18), to which the upper area of the cup (11) is connected by a shaped crimp.

Abstract: Disclosed is a unique filter assembly for ensuring replacement cartridge compatibility in filtration systems having replaceable filter cartridges with lugged mounting systems. One representative filter assembly includes a representative cartridge member having a body portion for enclosing filter media and a neck portion depending therefrom. The representative neck portion of the representative cartridge includes at least one axial inlet port for directing unfiltered fluid into the body portion and at least one axial outlet port for directing filtered fluid out of the body portion. The representative neck portion also has at least two representative lugs depending radially outwardly therefrom, wherein at least one lug defines a keyed surface formation.

Abstract: It is an object of the present invention to provide a filter for trapping foreign matter in which a filtration element can trap foreign matter that is admixed to a fluid present inside the filter with good reliability and a comparatively high trapping ratio. Hydraulic oil that has flown from an opening portion into a guide space of a first flow path guide is guided downward by the first flow path guide and directed toward a second flow path guide. As a result, the oil passes through a very narrow gap, that is, a gap with a cross sectional area of the flow path narrowed so as to increase the flow velocity of the hydraulic oil, a rising flow of the hydraulic oil is formed, and this flow is spouted up by the second flow path guide and guided by the first flow path guide toward a filter element. Foreign matter admixed to the hydraulic oil rises with good intensity together with the hydraulic oil and is moved by the hydraulic oil toward the filter element.

Abstract: A grafted nonwoven substrate is disclosed having average fiber sizes of 0.7 to 15 microns, and a void volume of 50 to 95%, and a polymer comprising cationic aminoalkyl(meth)acryloyl monomer units grafted to the surface of the nonwoven substrate. The article may be used as a filter element to purify or separate target materials, such as oligonucleotides or monoclonal antibodies (MAb), from a fluid mixture.

Abstract: A crossflow filtration system including at least one quick dry change crossflow filtration cartridge designed to rotatably interface with a manifold assembly. The quick dry change crossflow filtration cartridge can comprise a membrane element, for example an ultrafiltration membrane, microfiltration membrane, nanofiltration membrane or reverse osmosis membrane element enclosed within a housing. The quick dry change cartridge includes an inlet stream, a permeate stream and a concentrate stream. The manifold assembly includes three similar flow paths; an inlet stream, a permeate stream and a concentrate stream. When engaged, the cartridge and manifold assembly define continuous inlet flow paths, permeate flow paths and concentrate flow paths that connect across the interface. Thus, all of the connections to the water filtration system can be made onto the manifold, and the resulting connected system is compact and easy to connect.

Abstract: A support for supporting and positioning a filter bowl of a filter system may include a bracket body, a rod, an extension arm threadably connected to the rod and a support band connected to and rotatable with respect to the extension arm. The bracket body may include a top plate. The top plate may include an opening for receiving the rod. The rod may be rotatably positioned in the opening in the top plate and extend from the top plate in a direction away from the top plate of the bracket body. The extension arm may be operable to extend from the bracket body or retract towards the top plate of the bracket body when the rod is rotated. The support band may be configured for attachment to the filter bowl of the filter system.

Abstract: For diesel internal combustion engines, an improved filter unit comprising an outer casing the interior of which is separated by a filtering baffle into two separate chambers to which a fuel inlet conduit and a fuel outlet conduit are connected respectively, with said casing there being associated a device provided with sensors for measuring certain characteristic parameters for correct engine operation.

Abstract: A filter housing with a socket drain for minimizing waste and downstream contamination of valuable fluids during filter element changes.

Abstract: A water filtration apparatus has at least one tank in fluid communication with a conduit through at least one aperture in a wall. Each tank uses filter blocks to support the filter medium and to direct the filtered water to the conduit via the aperture. An end plate for the filter block is provided, the end plate being adapted to seal against a free end of the filter block. The end plate also provides apertures for fluid flow into and out of the filter block, and a device for receiving a sealant to provide a seal between the end plate and the wall. The end plate improves the installation of the apparatus, and the sealant improves the reliability of the seal round the apertures, which in turn improves the efficiency of a backwash operation used to clean the filter medium.

Abstract: The invention relates to a method and a system for purifying water whereby: the water to be purified is pressurized; a pressurized flow of said water is directed onto at least one selective permeability membrane to divide (11) the flow of pressurized water into a permeate flow and a retentate flow; the permeate flow is electrodeionized (12) to produce a flow of purified water consisting of the electrodeionized permeate flow; the flowrate of the retentate flow (19) is reduced; a substantially constant predetermined pressure (21) is maintained on the selective permeability membrane(s); and a substantially constant predetermined permeate flowrate is maintained and also relates to a suitable tangential filtration module system.

Abstract: This invention relates to a modular purification system having a disposable sump assembly and an improved flow distribution plate. The system is readily adaptable to a variety of configurations without the need for repiping or replumbing of the installation, and lends itself to the use of multiple purification techniques.

Abstract: A filter assembly having a filter head having inlet and outlet ports and a top cap having a substantially curved, non-planar flange portion, the non-planar flange sealingly received within the filter head such that the filter head is divided into inlet and outlet partitions. In some embodiments, the flange portion has a generally s-shaped cross-sectional profile. The flange portion incorporating a modified venturi for improved flow of both inlet and outlet streams through the filter assembly.

Abstract: A locking liquid filter assembly is disclosed that prevents an unauthorized user from removing the filter media cartridge after installation. The locking filter assembly includes a head unit for coupling with an inlet conduit for delivering unfiltered process liquid into the filter assembly and an outlet conduit for delivering filtered process liquid from the filter, a head portion that includes a manifold for communicating with the inlet conduit and with the outlet conduit, and a locking assembly coupled to the head portion configured such that when the filter media cartridge is fully engaged with the head portion, the locking assembly engages with the filter media cartridge to prevent filter media removal.

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

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

Abstract: A fluid filter constructed and arranged for threaded engagement with a fluid-delivery head for the filtration of an incoming fluid includes a molded plastic shell having a sidewall formed with a retaining ridge, a closed end and an opened end surrounded by a series of external threads, a fluid filter media pack installed into the fluid filter shell, the media pack including filtering media and an upper endplate bonded to the upper end of the filtering media, wherein the upper endplate includes a peripheral lip that is constructed and arranged to snap into position axially beneath the retaining ridge. The threaded engagement between the fluid filter shell and the fluid-delivery head eliminates the need for any nutplate.

Abstract: A filter with installation integrity permits fluid flow only in a first installation condition and not in a second undesired or mis-installation condition, including improper alignment or mounting of a filter element in a housing, an incorrect replacement filter element, absence of a filter element, and an incorrect housing cover. A magnetically actuated valve has a piston controlling fluid flow according to installation condition.

Abstract: A hydraulic filter includes a canister extending along the longitudinal axis. A closed end cap is at one end of the canister for closing one end thereof. A removable filter element is contained within the canister and a modular one-piece input end cap is at an end of the canister. The one-piece input end cap includes a hydraulic input chamber and a hydraulic output chamber which can be positioned in any one of three mutually perpendicular directions. The one-piece input end cap also allows for sensors to be positioned in any one of three mutually perpendicular directions. In addition, the one-piece input end cap can be utilized in base-ported or top-ported configurations while also allowing for side-to-side or side-to-end configurations.

Abstract: An oil filter arrangement (10) comprises a housing, which has a receiving chamber (16) for a filter element (18) which can be cross-flowed in a radial manner by oil and which can be inserted into the housing, a support tube (42) which supports the filter element when it is inserted and a cover (14) which can be screwed to the housing (12) via a thread (15). The cover comprises engaging ribs (44) which are used to rotate the filter element (18) when screwing and/or unscrewing the cover (14) to the housing and/or from the housing.

Abstract: A reusable remote filter having a can-like body, a tubular woven metal mesh filter element fitting concentrically within the can-like body, and a cap having the first and second threaded openings therein, the cap being threadedly assembleable to the can-like body, the first threaded opening being in fluid communication with a first port at a right angle thereto, the first port flaring outwardly to be substantially of the same diameter as the inner diameter of the tubular woven metal mesh filter element when the reusable remote filter is assembled, the second threaded opening being in fluid communication with the periphery of the tubular woven metal mesh filter element around substantially the entire periphery of the tubular woven metal mesh filter element.

Abstract: An apparatus, system, and method for bypassing a fuel filter pressure regulation valve which includes a bypass window and bypass passage. The bypass passage window is positioned in the top of a standpipe of a filter. The filter includes a filter cartridge with top and bottom end plates. The top end plate of the filter cartridge has a hole to receive a standpipe. The top end plate also has a sealing gasket to seal the bypass passage window when the proper filter cartridge is in place. This arrangement exposes the regulator valve to the fuel and/or air at the top of the filter housing when the proper filter cartridge is in place. Pressure in the housing opens the valve, allowing air and/or fuel to be vented through the bypass passage and back to the fuel tank.

Abstract: A liquid filter, particularly for the lubricating oil of an internal combustion engine, having at least one replaceable filter and a carrier module, in which the replaceable filter has a housing with an inlet and an outlet for the liquid to be filtered; a housing vessel with an opening pointing essentially downward is provided, and a filter medium is arranged in the housing between the inlet and outlet in a sealed manner. The replaceable filter with the opening pointing downward is attached in a sealed manner to the carrier module, and the carrier module has semiautomatic emptying device for the replaceable filter such that emptying of the replaceable filter is initiated by an external operation which opens a drain passage, and the drain passage is automatically closed again after the emptying process is completed.

Abstract: A filter system having individual compartments, a removable filter rack in each compartment, and an array of filter elements positioned in candle housing that are moveable into and out of the filter racks. Each compartment has an independent set of dirty oil inlets, clean oil outlets, overflow outlets, and air purge inlets, and is fluidly separated from adjacent compartments by the interior walls of the frame. Each rack may be disengaged from the various pipes and removed from the frame without disengaging the racks in adjoining compartments. As a result, the filter elements may be serviced without having to take the entire system off-line.

Abstract: A filter housing with a socket drain for minimizing waste and downstream contamination of valuable fluids during filter element changes.

Abstract: A fluid filter arrangement has a housing, a filter cartridge oriented within the housing, and a projection arrangement. The projection arrangement is oriented to space the filter cartridge from a wall of the housing in order to provide a fluid flow path between the filter cartridge and the housing wall. In some arrangements, the projection arrangement is part of an end cap. Embodiments of the projections include axial extensions, radial extensions, and angled extensions including both radial and axial components. Systems of use, methods of filtering, methods of making, and methods of servicing include arrangements of these types.

Abstract: In a filter, a rotatable connection flange with two kidney-shaped openings and a diametral web between the openings is located between the top part and bottom part of the filter. Rotating the connection flange allows the direction in which a gas flows through the filter element located in the filter housing to be reversed. In this way, the filter can be operated as a coalescence filter or as a dust filter by simply rotating the connection flange.