Abstract: A hollow fiber filter device for dialysis having a housing and an end cap is described. The end cap is attached to an axial end of the housing, and has a curved channel in fluid communication with a fluid port, a fluid chamber having a flow path defined by a plurality of curved members connected to an upper interior surface. The distance between circumferentially adjacent curved members may decrease in a radially outward flow direction.

Abstract: A box filter comprises of a casing and at least two filters, which are installed inside the casing and behind the influx channel and have a buffer gap between two adjacent filters; the influx channel, which is installed on the external wall of the box filter. In addition, more than one guide vane is installed at the inlet of the influx channel and the bottom of the guide vane leans against the filter so as to eliminate the clog that forms the channel and so as to stop backflow of the sewage into the aquarium or container of the sift device while the box filter or sift device is removed from the aquarium. The guide vane can effectively improve drawbacks of the box filter of a prior art as well as enhance the filtration effect.

Abstract: The present invention relates to a hollow fiber made of a semipermeable membrane material, with the hollow fiber having exactly one restriction over its total length in which the inner diameter of the hollow fiber is reduced with respect to the section or sections of the hollow fiber adjoining the restriction. The present invention further relates to a hollow fiber bundle, to a filter and to a method for the manufacture of a hollow fiber or of a hollow fiber bundle.

Abstract: A filter device includes a filter housing (10), a filter inlet (12), a filter outlet (14), and a filter element (16). The filter element divides a filter area (18) into two partial areas (20, 22). One partial filter areas is conical in form with the cross-section of that partial area (20) being tapered from the filter inlet (12) to the filter outlet (14). The partial areas are separated from each other by the filter element. This arrangement results in an optimum residence time distribution inside the filter device at a uniform flow rate, which is particularly useful for highly viscous fluids such as polymer melts or similar.

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 self-cleaning assembly comprising an enclosed casing 1 with a movable piston 31 and filters 32,33 therein. The preferred assembly has a casing 1 with a dirty water inlet 5, a first outlet 6 for clean filtered water and a second outlet 7 for the removal of sludge from the casing. The filter assembly is constructed and arranged to provide, in its normal operating mode, a liquid flow path through the filter 32,33 in a first direction between the dirty water inlet 5 and the clean water outlet 6 and, in a cleaning mode, to provide a liquid flow path in a second direction between the dirty water inlet 5 and the sludge outlet 7. In the cleaning mode, the movable member 31 compresses the filters 32,33 during the liquid flow in the second direction and contaminant is released therefrom for removal from the filter assembly via the second outlet 7. In an alternative embodiment, the sludge outlet 7 is omitted and sludge is removed from the casing via the outlet 6.

Abstract: A compact filter element with a large filter surface area having inner and outer rings of filter material with an annular space between them, such that fluid to be filtered can be introduced into the annular space between the rings of filter material and a portion thereof can flow through the outer ring of filter material to the periphery of the filter element and another portion thereof can flow through the inner ring of filter material to the center of the filter element; at least one fluid-permeable support member for the filter material, and at least one end disk on an axial end face of the filter element affixed to the rings of filter material in a sealed manner, in which the end disk has a centrally arranged inlet opening for the fluid to be filtered and one or more radially extending distributor channels leading from the central inlet opening to at least one eccentrically arranged outlet opening which opens into the annular space between the rings of filter material to admit fluid to be filtered to the

Abstract: A seal on a movable top or bottom plate for use in a chromatography column. The plate is formed of a flow distributor connected to one or more movement rods that control the movement of the top plate within a chromatography column. The plate is formed of two pieces, a flow distributor and a seal plate. The seal plate is mounted on top of the flow distributor and has a seal that is essentially co-terminal with the outer edge of the flow distributor. The seal plate is attached to the flow distributor by one or more pins or threaded bolts and forms a space between them. The one or more pins contain one or more compression means for biasing the seal plate against the flow distributor. An opening is formed in the seal plate for the selective introduction of a pressurized energy source such as compressed air, gas or hydraulic fluid into the space to overcome the compression means. One or more seals are arranged between the seal plate and distributor to maintain the pressurized energy source between the two of them.

Abstract: A flow unit for microfluidic particles separation and concentration is disclosed. The unit comprises a nozzle segment, a turn segment, and a diffuser segment. The nozzle segment is defined by a first member and a second member, and has an opening through which fluid and microfluidic particles enter. The nozzle segment has a narrowing portion at which the first and second members narrow from the opening to increase momentum of the fluid therethrough. The turn segment is defined by the first member flaring outwardly downstream from the narrowing portion to change flow direction of the fluid consistent with the first member. The diffuser segment is defined by the second member extending past the turn segment to facilitate separation of the microfluidic particles from the fluid due to the inability to follow the fluid flow.

Abstract: A chromatography column distribution system (101) comprises a set of first bed support ribs (107) extending radially from a inner, first radial position (R1) near the centre of the plate to a outer radial position nearer to the periphery (109) of the plate and at least one set of intermediate bed support ribs (117, 119) starting at an intermediate radial position (R2, R3) and extending to an outer radial position nearer to the periphery (109) of the plate (101), whereby channels are formed between adjacent bed support ribs (107, 117, 119).

Abstract: A water filter cartridge (10) has a two-piece housing (14, 18) internally configured with inlet and outlet openings (12, 16), a diffuser (42), and a plurality of diverter plates (56, 32) to optimize liquid flow and to regulate even flow through a charcoal filter medium (40) located inside of the housing.

Abstract: A filter includes a filter element with an enlarged end cap at one end of a media ring with an elliptical flange set oblique or angled to the longitudinal axis of the element. The flange carries a sealing element, and is closely and sealingly received in a head casting of the filter to divide the head casting into inlet and outlet partitions. The end cap directs fluid from a transverse port in the housing into an axial flow path into the central cavity of the element, where the fluid flows radially outward through the media, and then out through an opposite transverse port in the head casting. The element can be removed when it is spent from the head casting after removal of an end closure.

Abstract: A storm water filtering system located in a storm water catch basin, the basin having a storm water inlet spaced from at least one storm water outlet and defining a chamber for storm water collection between the inlet and the outlet. The filtering system comprises a plate for dividing the basin into a first chamber for receiving storm water and a second chamber for passing storm water out of the basin and a filter assembly mounted within a hole formed in the plate, the filter assembly including a filter media having a predetermined effective flow rate for removing pollutants from the storm water. The system further includes at least one overflow tube coupled to the plate at another hole formed therein for passing storm water through the plate and bypassing the filter assembly. The overflow tube has a storm water inlet at a height above the filter media so as to limit the maximum water pressure applied to the filter media. The overflow tube also includes a diverter lid mounted to a top of the overflow tube.

Abstract: In a multi-ducted sink fitting assembly, a waste water connection to an assembly comprises a reverse osmosis waste water upright duct associated with the fitting; a dish water upright duct associated with the fitting to flow unclean dish water upwardly; and a discharge duct extending downwardly and associated with the fitting to receive flow from both the reverse osmosis waste water duct and the dish water duct.

Abstract: The present invention discloses a feed spacer, comprising a first layer and a second layer, for spiral-wound membrane module. The first layer consists of a plurality of first filaments, which are substantially in parallel to one another. Furthermore, the second layer also consists of a plurality of second filaments, which are substantially in parallel to one another. Moreover, the first layer is attached to the second layer, and the first filaments are disposed at an angle to the second filaments. Both the first layer and the second layer bend to the center of the spiral-wound. Additionally, the distance from the inside of the first layer to the center is bigger than that from the inside of the second layer to the center, and the diameter of the first filament is smaller than that of the second filament.

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: The water purification cartridge treats water with a halogen liberated from halogenated hydantoinyl resins and polymers, resulting in the safe, complete, and economical purification of non-potable water at low flow rates typically found in gravity feed filtration systems and at water pressures of less than 1 psig. The cartridge of the invention purifies non-potable water of bacteria, viruses, and some protozons without the need for additional power sources or risk to the consumer for exposure to chemicals that have been identified to have harmful, long-term effects. The cartridge described herein enables a gravity fed water purification system by combining the cartridge with conventional filters, such as porous diatomaceous earthen ceramic water filters or activated carbon filters packed either with granular activated carbon or block.

Abstract: A filter assembly for removing particulate contaminants from a fluid, comprises a annular filter element having first and second ends, a filter housing containing the filter element and having first and second ends and a substantially cylindrical side wall defining an annular space between the side wall and the filter element, an end plate secured to the first end of the filter housing and having at least one fluid inlet therethrough adjacent to the first end of the filter element so that the fluid enters the filter housing through the at least one fluid inlet and flows into the annular space, and a directional fluid insert having at least one of fm disposed between the first end of the filter element and the end plate. The fins provided to cause the fluid entering the filter housing through the at least one fluid inlet to swirl around the filter element.

Abstract: A filter assembly for filtering water in an aquatic structure having a housing with a flow inlet and a flow outlet and filter media between the flow inlet and the flow outlet. A vortex distributor is supported in the housing to distribute fluid evenly over the filter media and partially separate debris from the fluid. The vortex distributor has a conically shaped body portion with an upper side, a lower side and a vortex opening. The vortex opening is substantially centered in the body portion and a plurality of vanes are supported on the upper side of the body portion around the vortex opening, the vanes curving away from the vortex opening to form a substantially planar upper surface.

Abstract: A wave generator comprises a seat; a positioning ring a wave generating unit received in an upper side of the seat; the wave generating unit being formed by a flow-steady base and a flow-collecting mask; the flow-steady base having a central platform; an upper surface of the central platform having a plurality of projecting blocks which are annularly arranged; the spaces between projecting blocks being formed as flow channels; an inner wall of the wave generating unit being formed with a plurality of longitudinal slots for draining water; a positioning unit for positioning the flow-steady base and the flow-collecting mask precisely; a filtering web having a plurality of holes which formed as an umbrella shape; a positioning rod extending from a central lower side of the web; and a front end of the positioning rod being formed an enlarged tapered head.

Abstract: A fluid filter device includes a container having a passage for a fluid to flow through the container, and having an inner peripheral chamber for receiving a filter medium which includes a bore communicating with the passage of the container, one or more guide members are disposed in the bore of the filter medium for stirring the fluid and for converting the fluid into an eddy flow. A filter screen is disposed and engaged with the filter medium for anchoring the filter medium. The filter medium includes a number of grooves for receiving particles or contaminants. One or more magnetic devices may be disposed in or on the container for attracting and collecting the metal particles or contaminants.

Abstract: A magnetically enhanced oil filter apparatus includes an oil filtration assembly which includes a filtration assembly base having oil inlets and an oil outlet located in the filtration assembly base. A filtration material support bracket rests on the filtration assembly base. A quantity of filtration material is supported by the filtration material support bracket. A flow director shroud is connected to the filtration material support bracket. A top portion of the flow director shroud extends over the filtration material. A retainer spring urges the filtration material support bracket in firm contact with the filtration assembly base. A magnetic flux assembly rests on the oil filtration assembly, and assembly-to-assembly connection means are provided for connecting the magnetic flux assembly to the oil filtration assembly. The apparatus of the invention permits ferromagnetic particles to be removed from oil prior to being filtered through a quantity of filtration material.

Abstract: A connector apparatus is provided which is configured to replace a separation module in a system for dispensing a fluid. When it is desired to purge the system of a dispensed fluid, the connector apparatus, having the same configuration of an inlet and an outlet as the separation module, replaces the separation module and a purging fluid is passed through the system.

Abstract: A filtration vessel has an inlet for inflow into the filtration vessel of liquid media to be filtered, a body of filter media in the filtration vessel, and a drain to receive filtered liquid media for take off from the filtration vessel. The inlet is configured to induce rotating flow about the vessel of unfiltered liquid present in the vessel; and/or, the drain is configured in backwash mode to force backwash liquid through the filter media in rotating flow about the vessel; and/or the drain includes drain limbs inclined to the horizontal and providing for draining of filtered liquid along the inclined limbs to outlet.

Abstract: A filter device for the clarification of contaminated liquids includes a vessel configured to contain the liquid to be clarified. A first carrying disk is arranged within the vessel and is rotationally driven about a rotational axis. Mounting rods are attached to and extend generally perpendicular from the carrying disk. A plurality of filter modules including spaced apart filter elements extend generally parallel to the carrying disk. Each of the filter modules is rotationally fixed relative to the carrying disk at least in part by the mounting rods. The filter modules have a radially inward end spaced radially from the rotational axis of the carrying disk. The ends of the filter modules circumscribe a cavity within the vessel having a longitudinal axis corresponding to the rotational axis of the carrying disk. The cavity is configured such that a cleaning fluid medium from within the cavity flows radially out from said cavity and between the filter elements to clean the filter elements.

Abstract: A filtration medium is sealed within a housing. The filtration medium is sized and configured to define multiple filtration regions within the housing, through which independent, though concurrent, blood filtration can occur. Each filtration region is served by its own inlet path, which conveys blood into the filtration region. The filtration medium in each filtration region passes the blood to remove at least one undesired component, such as, e.g., leukocytes. After filtration, the multiple filter regions convey the blood into a single, centrally located manifold. A single outlet path communicates with the manifold.

Abstract: A water filter assembly comprising a water filter arrangement and a water cooling arrangement in an integral unit. The cooling arrangements are concentrically configured with the cooling arrangement surrounding the filter arrangement.

Abstract: A strainer device for a fuel tank includes a sucking passage member provided with a passage opened in the fuel tank; a filtering member attached to the sucking passage member for covering a hole of the passage; and a conduit connecting portion extending outside the fuel tank for connecting a conduit for guiding fuel passing through the filtering member. The conduit connecting member is attached to the sucking passage member, so that a concave portion is formed at a connecting portion for receiving a check valve for preventing the fuel from flowing back from outside of the fuel tank.

Abstract: A water filter cartridge (10) has a two-piece housing (14, 18) internally configured with inlet and outlet openings (12, 16), a diffuser (42), and a plurality of diverter plates (56, 32) to optimize liquid flow and to regulate even flow through a charcoal filter medium (40) located inside of the housing.

Abstract: A filter assembly for separating and collecting a layer of particulate matter (e.g., cells) from a liquid containing the particulate matter (e.g., a biological fluid specimen). The filter assembly has a holder and contiguous inner and outer fluid pervious media. The outer fluid pervious medium is attached to the sidewall of the holder. The inner fluid pervious medium is of low fluidic impedance relative to the outer fluid pervious medium. The filter assembly is designed for use in a separation housing that defines two flow paths between inlet and outlet, one directly through the filter and the other around the periphery of the filter. The inlet portion of the housing has a central inlet in a radially sloped surface that faces the filter collection site. A movable suction head is adapted to cooperate with the housing and the filter assembly.

Abstract: The present disclosure relates to a water purification system for use in a water dispensing apparatus. The water purification system comprises an adapter adapted to mount to a top opening of the dispensing unit of the water dispensing apparatus, the adapter including a dispensing unit locking mechanism that is adapted to secure the adapter to the dispensing unit, and a filter connected to the adapter, the filter being adapted to filter impurities from the water that passes through the adapter from the container.

Abstract: The present invention relates to a fluid distributing device for distributing fluid into a column and to a fluid collecting device for collecting fluid from a column. The invention relates also to methods of using the devices of the present invention. The distributing device and/or the collecting device of the present invention can be used in fixed or fluidized bed reactors or columns, such as chromatographic separation columns, ion exchange columns, adsorption columns etc. A fluid distributing device comprises a) a first fluid conveying system; and b) a distributing plate, which comprises i) first means for fluid transfer for dividing the fluid flow coming from the delivering points into several partial fluid flows and for distributing the partial fluid flows into the column; and ii) first means for controlling of the partial fluid flows by differential pressure in the first means for fluid transfer.

Abstract: The present invention discloses a method and apparatus for separating particles and dissolved matter from a fluid stream. Specifically, the present invention includes a first pressure source which transports untreated fluid into a separator annulus with a filter element disposed therein. The untreated fluid is placed under appropriate pressure sufficient to produce turbulent flow, increased particle kinetics and/or cavitation physics allowing the desired fluid to penetrate and pass into and through the filter media. The filtered fluid is then transported to a collection tank. The contaminant particulate matter retained on the exterior of the filter media may be removed by the instantenous reverse pressurization of the separator annulus by a second pressure source thereby removing the contaminant particles away from contact with the filter media, and which may then be transported to a waste collection tank or a concentrator for further treatment.

Abstract: A water purifier under the present invention comprises a filtering pot, a purifying pot, a sterilizing pot, and related connecting pipes, as well as a control circuit. The filtering pot filters iron rust, mud pigment, floating particles, and so forth. The purifying pot removes odor, chloride, pesticide residuals, chemicals, and so forth. The sterilizing pot mineralizes the water, sterilizes bacteria and virus, delicates the water molecule, and co-operates with the control circuit, to provide a water purifier with high bactericidal and viral elimination rate and self-monitoring and energy saving functions.

Abstract: A fuel filter has a filter case and a filter element. The filter case defines a filtration chamber with a fuel inlet and a fuel outlet. The filter element is adapted to filter the fuel. The filter element is disposed within the filtration chamber and divides the filtration chamber into a first section on the side of the fuel outlet and a second section on the side of the fuel outlet. A control device controls the flow of the fuel within the first section, so that the fuel can flow within the first section along substantially the entire filter element.

Abstract: A high capacity gravity feed filter for filtering blood and blood products or the like includes a body having an inlet port, an outlet port, two filter wells, at least one filter element disposed in each of said filter wells, between the inlet port and outlet port so as to filter liquid which flows into the filtration device via the inlet port. The filter elements divide each of said filter wells into a first chamber and a second chamber. The device allows gases to vent the filtration device through the outlet port. The means may include a through slot located at the top of each of said second chambers. The filtration device allows air therein to be purged downstream into a receiving blood bag without the manipulation of the height of the filtration device or the receiving blood bag.

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: A depth filter design is disclosed which has little if any open void area upstream of the media. Preferably, it also has little if any open void area downstream of the media as well. A preferred embodiment uses layers of stacked, fibrous media with several of the layers being separated from the others by spacers which serve to compress the media and to prevent the bypass of fluid around the media adjacent the inner wall of the housing. Several designs for attaching the end caps which allow for the compression of the media are also disclosed.

Abstract: A filter assembly for removing particulate contaminants from a fluid, comprises a annular filter element having first and second ends, a filter housing containing the filter element and having first and second ends and a substantially cylindrical side wall defining an annular space between the side wall and the filter element, an end plate secured to the first end of the filter housing and having at least one fluid inlet therethrough adjacent to the first end of the filter element so that the fluid enters the filter housing through the at least one fluid inlet and flows into the annular space, and a directional fluid insert having at least one of fin disposed between the first end of the filter element and the end plate. The fins provided to cause the fluid entering the filter housing through the at least one fluid inlet to swirl around the filter element.

Abstract: The present invention relates to a water filter including an outer connector, an inner connector, a flow control sheet and a strainer. A flange extends from the periphery of the upper surface of the outer connector with at least two protrusions extending therefrom. A plurality of guiding ribs is formed at the inner surface of the sidewall of the outer connector near the bottom surface of the outer connector and radiating from the center of the outer connector. A board is formed at the inner surface of the sidewall of the outer connector connecting with upper ends of the guiding ribs. A plurality of puncturing posts projects from the upper surface of the board. A rim extends from the periphery of the upper surface of the inner connector with at least two positioning cutouts being defined therein. The inner connector is received in the outer connector with the positioning cutouts respectively engagingly receiving the protrusions of the outer connector.

Abstract: A filter comprising a filter cartridge and a housing having at least one fitting and defining a chamber, the filter cartridge being disposed in the chamber, wherein the housing includes a fluid conduit which extends axially from the fitting along the periphery of the filter cartridge, the fluid conduit being isolated from the filter cartridge chamber along a substantial portion of the length of the fluid conduit.

Abstract: The invention concerns a monitoring unit [10] for monitoring the condition of a semi-permeable membrane [24] in a water purification system, and particularly the condition of spiral membrane in a reverse osmosis water purification system. The monitoring unit [10] comprises a flow chamber [12] that includes an inlet for permitting ingress of a feed fluid into the flow chamber [12], and a feed fluid outlet [22] for permitting at least partial through-flow of the feed fluid through the flow chamber [12] such that cross-flow conditions apply in the flow chamber [12]. The semi-permeable membrane [24] is at least partly supported in the flow chamber [12]. The monitoring unit [10] further comprises at least one fluid outlet [18] arranged in fluid communication with the flow chamber [12] for permitting egress of fluid from the monitoring unit [10] after having passed through the membrane [24]; and an inspection window [20] for permitting visual inspection of the semi-permeable membrane [24].

Abstract: A centrifugal debris trap includes a cylindrical chamber bound by an inner surface of a continuous wall radially disposed about a center axis at a first inner diameter, and having a first wall end and a second wall end; and a plurality of grooves between the first and second wall ends, extending radially outward from the inner surface into a portion of the continuous wall, and each having a groove outer diameter that is greater than the first inner diameter. The cylindrical chamber is sealed at the first wall end by a back plate attached about a circumference of the first wall ends, and is open at the second wall end through a ring attached thereto about a circumference of the second wall end. The ring has a ring opening radially disposed about the center axis, and a second inner diameter less than the first inner diameter.

Abstract: A liquid separator for separating water from a mixture of water and fuel includes a flow dispersion member which serves to control the flow of the mixture into, through, and out of the liquid separator. The flow dispersion member is placed between a flow inlet channel and a separation chamber and includes a plurality of flow paths that significantly reduces turbulence into and through a separation chamber of the liquid separator thereby improving the separation of the water from the mixture. Further improvement of the separation is provided by the unique arrangement of an inlet port so as to induce a circulatory motion to the incoming mixture and thereby separate some water by centrifugal action.

Abstract: The present invention comprises a process for filtering a slurry and a filter cartridge construction for filtering a slurry having a filtration medium formed of a depth filter such as a cylindrical seamless fibrous depth filter comprising a nonwoven fibrous mass, woven fibers, a plurality of nonwoven fibrous layers or a fibrous felt or the like or a wound depth filter retained within a housing substantially free of an open void volume upstream of the depth filter which causes separation of solid particles from a slurry being filtered The filtration medium is divided into a plurality of depth filter segments by spacers which are spaced apart from each other along the length of a filter cartridge housing which houses the depth filter, The spacers serve to divide the depth filter medium into depth filter segments and to allow fluid to pass there through along a defined path defined by the configuration of the open portions of the spacers.

Abstract: A liquid filtering apparatus for mounting in a housing and positioned to filter liquid flowing from an inlet (23) to a drain. A rotatable wheel is disposed within and coupled to a rotating screen so that rotation of the wheel causes rotation of the screen. The wheel includes vanes (5–12) extending towards the screen dividing the space within the screen into sections substantially isolated from each other except via the drain. A stationary baffle (13) arranged adjacent a portion of the screen prevents liquid from flowing into the wheel through that screen portion. The baffle is positioned such that water flows more readily into sections of the wheel on one side of a vertical plane through the rotation axis than the other sections. Thus, the wheel is unbalanced by water retained in sections of the wheel and rotation of the wheel results.

Abstract: A separation device, such as a filter or separation line apparatus, and method of making the same.

Abstract: A filter device for filtering liquids including a filter membrane, a main body which is arranged upstream from the filter membrane, and which has a feed channel perpendicular to the surface of the filter membrane, a gap extending between the filter membrane and the main body forming a tangentially directed cross-flow, and a return channel which is used to return the tangential flow to the feed channel. The flow is primarily returned thereto by means of a contraction in the feed channel at the mouth of the return channel. Preferably, a solid separator is disposed in the return channel. At least one baffle element is arranged in the feed channel in order to create a turbulent flow. The tangential flow along the filter membrane is used to clean said membrane.

Abstract: The invention relates to a method and a device for degassing of suspension, specifically fiber stock suspension. The method according to the invention is characterized in that separated excess suspension is discharged sideways through an overflow having an overflow edge that is located in the tank outside wall and is positioned parallel to the tank axis. The device according to the invention is characterized in that the overflow includes at least one overflow having an overflow edge that is located in the tank outside wall and is positioned parallel to the tank axis and that at least one overflow system, for the purpose of discharging the separated excess suspension, is located following the overflow.

Abstract: A high debris content strainer that utilizes a cylindrically-shaped screen having four removal assemblies positioned evenly around the screen periphery. Each removal assembly includes a backwash spray bar on the downstream side of the screen and a scraper/brush and discharge tube on the upstream side of the screen where the debris lodges during filtering. The screen is rotatably-mounted inside a strainer housing. A shroud surrounds ¾ of the screen periphery and includes an opening directly adjacent an input fluid flow line, as well as scoops on opposing sides of the shroud. The shroud evenly distributes the contaminated fluid flow around the screen. When cleaning the screen is desired, the screen is rotated while the backwash spray bars are activated and, in combination with the scraper/brushes, the debris is dislodged from the upstream surface of the screen and directed into the discharge tubes which divert the contaminants to a discharge pipe.