Abstract: A filter apparatus capable of releasing air from a filter body, comprising a filter body held by a holder. The filter body includes a fluid inlet and a fluid outlet. The filter body is disposed in the holder so as to rotate around an axis of rotation that passes through the fluid inlet. The holder includes a front panel. The front panel comprises engaging portions, for temporarily engaging the fluid outlet at either an air releasing position or at a filtering position, and a fixing means for fixing the filter body at each position. The filter apparatus further includes means for rotating the filter body.

Abstract: A fluid filter housing for receipt of a fluid filter element and for threaded attachment to a mounting base includes a unitary, molded plastic shell, an annular, threaded nutplate, and a plastic weld ring. The plastic shell defines a hollow interior for receipt of the fluid filter element. The plastic shell also defines one side of an O-ring groove. The threaded nutplate includes a groove-side surface that defines a second side of the O-ring groove. The weld ring is securely joined to the threaded nutplate by co-molding and is securely joined to the shell by a spin weld process. The weld ring provides a third surface for the O-ring groove. As such, three separate components are used to create an inwardly opening three-sided annular groove for receipt of an annular seal for sealing an interface between the fluid filter housing and the mounting base.

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

Abstract: A rear half part of a surface of a main body of a working oil tank installed in line with a control valve opposing to the valve is dented in an inclining surface shape in the direction moving away from the valve so that between both the tank and the valve, is formed a working space for attaching and detaching a pressure compensating spool, while return tubes are separately connected to the upper and the lower side of a filter case side wall within the body. Within the body, is provided a cylindrical filter case having a bottom in which a return filter for return oil is housed, and the return tubes are connected to the case side wall in a state of communicating with the inside of the filter case.

Abstract: A delivery system for removing contaminants from lubricating and hydraulic fluids. The delivery system can include a reusable sleeve and a first end cap and a second end cap coupled to the reusable sleeve. The delivery system can also include a disposable absorbent cartridge containing absorbent material capable of removing contaminants from lubricating and hydraulic fluids. The disposable absorbent cartridge can be removeably positioned inside the reusable sleeve between the first end cap and the second end cap. The disposable absorbent cartridge can be constructed of a material permeable to the lubricating and hydraulic fluids.

Abstract: An animal watering system including a water tank, interior container and base for connecting to a bowl. The interior container fluidly connects the water tank and the base/bowl. The interior container in addition to supplying water from the water tank to the bowl, also receives water from the bowl as it circulates. The interior container includes a filter to filter the water as it leaves the water tank and enters the bowl and as it flows from the bowl into the interior container.

Abstract: A filter comprises a housing and a filter cartridge. The housing includes an inlet, an outlet, a vent, and a filter cartridge chamber. The filter cartridge is permanently positioned in the filter cartridge chamber of the housing with an annular channel between the filter cartridge and the housing. The bottom of the filter cartridge and the interior of the bottom of the housing each include a surface which inclines upwardly toward the annular channel.

Abstract: A system and method are disclosed for filtering liquid using a filter platform that is not rigidly affixed to a container containing the liquid to be filtered. The platform may be buoyant so that as liquid flows from one side of the platform, through a filter, and then to the other side of the platform, the platform may move, thus reducing the volume of a container or portion of a container that holds the unfiltered liquid. Alternatively, the platform may be heavier than the liquid to be filtered, may be either set in place on a support structure or else set on top of unfiltered liquid and allowed to sink downward as liquid is filtered. The system may further comprise a flexible membrane that allows two sections of liquid to be separated, even while the platform is moveable.

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 method and apparatus for efficiently performing solid phase extraction techniques for cleanup of samples to be used in analysis for pesticides, food products, etc. An insert to a centrifuge tube is disclosed which provides for mixing the solid and liquid, after which centrifuging is used to separate the liquid from the solid, after processing it through an appropriate filter.

Abstract: A water treatment cartridge, or insert, for use in connection with a water treatment device such as a gravity-fed water pitcher or the like includes a support structure and water treatment material arranged in combination with the support structure.

Abstract: A filter assembly comprises a filter (10) defining path for fluid passing to or from the filter (10). An adaptor (11) is connected to the filter (10) and provides a continuation of the path. The adaptor (11) is for mounting the filter (10) on a mounting plate (12) and carries one or more sealing rings (30, 37) that are engageable with the mounting plate (12). The adaptor (11) is made from a plastics material and one surface of the adaptor (11) is reinforced by contact with an annular reinforcing member (31) which may be of metal, particularly steel. This allows the flow path provided by the adaptor (11) to be maximized.

Abstract: A novel surface treatment is provided for portions of filter media coming in contact with the filter media holder, such as filter housing. In certain applications, the treatment is also applied to the filter media holder, depending on the application. Filter media having at least two distinct surface property modifications are provided in liquid filtration applications to enhance the performance of a filtration system, reduce the cost of the system, provided a visual means of detecting fluid bypass, and minimize fluid holdup volume within the filter media, all with substantially no loss of performance performances parameters, even in steam sterilization applications.

Abstract: One embodiment is a filter element including an outer filter media and an inner filter media. The outer filter media is operable to remove particulates present in a flow of fluid and/or coalesce water contained in the flow of fluid. The inner filter media is operable to remove particulates from the flow of fluid, separate water form the flow of fluid, and remove particulates from the flow of fluid. Other embodiments include unique apparatus, devices, systems, and methods relating to fuel filters and filtration. Further embodiments, forms, objects, features, advantages, aspects, and benefits of the present application shall become apparent from the detailed description and figures included herewith.

Abstract: A gas baffle for a waste water treatment plant filter housing that includes a first and second deflecting plate. The gas baffle has at least one flow-through opening defined by the first and second deflecting plates. The combination of the first and second deflecting plates deflects rising gas bubbles and any solid particulates so that the bubbles and particulates do not enter the filter housing. The gas baffle may include exterior apertures to dissipate the rising gas bubbles that travel on the bottom surface of each deflecting plate. The gas baffle may be integrally formed with the filter housing or created separately and subsequently connected.

Abstract: A filter cloth of long pile fiber bundles is used as a tertiary filter in a wastewater processing method. The filter may be backwashed by a rotating suction head which does not touch the filter cloth. A combination of countercurrent and horizontal flow dislodges entrained solids from the filter cloth. Mounting of the filter media as modular components permits increased capacity within a single tank while avoiding down time in changeover of filter media.

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: A filter trap into which waste water can be dumped to separate particulate matter from the water. A sensor senses when the liquid level in the filter trap rises above a predetermined level, and triggers an alarm to indicate the filter basket is full of particulate matter and must be removed to dispose of the contents. The withdrawal of the filter basket from the filter trap causes the inlet thereto to automatically close so that waste water cannot be dumped into the filter trap when the filter basket has been removed. A sensor senses when the filter basket has been removed to provide a visual indication thereof.

Abstract: A water purification device includes an expandable water collecting device having a variable volume, wherein at least part of the surface of the water collecting device includes a filter area, the filter area being permeable to water and allowing water to enter the water collecting device when the filter area is submerged in water. The device further includes a mechanically driven expansion means for exerting a force for increasing the volume of the water collecting device and thereby drawing water through the filter area into the water collecting device. In use, the water collecting device is submerged and the expansion means is released, drawing water into the water collecting device through the filter membrane.

Abstract: A drain basin insert having a housing, with the housing having a sidewall having a top edge and a bottom edge, and with the housing having a perforated base member secured to the sidewall at the lower edge of the sidewall, and with the housing having an outwardly extending flange at the top edge of the sidewall. The insert also includes a secondary filter means having a permeable container having hydrophobic filter media therein. The insert also has a perforated, rigid structural member having a bottom wall and a raised portion, with the raised portion attached to the bottom wall and extending upwardly therefrom. The insert also has a primary filter means having an outer sidewall, a bottom surface, and a central portion, with the bottom surface contacting the bottom wall of the perforated structural member, and with the central portion contacting the raised portion of the perforated structural member.

Abstract: A “no filter, no run” filtration system that is designed to verify that a filter cartridge is present to safe-guard against damage to fuel injectors, associated fuel components, etc. and engine malfunctions. Fuel flow to the engine is prevented altogether or permitted in an amount insufficient to allow engine operation if a filter cartridge is not installed, and an appropriately designed filter cartridge is required to be used in order to permit sufficient fuel flow for engine operation. In one embodiment, a flow restriction valve is provided that includes a ball.

Abstract: A Platelet Rich Plasma separator assembly is disclosed. The assembly can include a cylindrical outer wall closed at the top by an upper plate and closed at the bottom. A bottom plate having an upper surface sloped down to a central opening. The top edge of the inner wall terminates at a distance from the upper plate to define an annular erythrocyte passageway therebetween. The inner wall has an outer surface and an inner surface that slopes radially inward from its top edge to its bottom at an angle of from 0.2 to 5 degrees with a central axis of the inner wall. A cylindrical depth filter is positioned between the inner surface of the outer wall and the outer surface of the inner wall in communication with the inner wall through the erythrocyte passageway.

Abstract: A filter cartridge for use in filtering fluids, for example fuel, lubrication, hydraulic and other liquids, as well as air. The filter cartridge is a filter-in-filter design with an inner filter and an outer filter. The inner filter and the outer filter, for example the bottom end plates thereof, are connected to each other via a snap fit connection mechanism. During manufacture, the inner filter can be inserted into the outer filter, with the snap fit connection mechanism retaining the inner filter in the outer filter.

Abstract: An oil filter unit for arrangement in the oil sump of an oil circuit, particularly in an automatic transmission. The oil filter unit has a multi-part filter housing with a filter chamber disposed therein such that an oil inlet and an oil outlet communicate with the filter chamber. A filter element is sealingly mounted in the housing between the oil inlet and the oil outlet. The filter element has a pleated filter medium, which is sealingly enclosed by a frame, and the frame has seal contours designed to cooperate with the contours of the filter housing.

Abstract: A filter vial and piston are provided where the vial has a cylindrical wall with a closed bottom and open top and with the hollow, tubular piston therein. The piston has a distal end covered by a cup having a proximal cup seal extending outward to engage the walls of the vial to form a fluid tight seal with the vial during use. The distal end of the piston has a piston flange extending outwardly and located adjacent a recess in the piston so the cup forms a snap fit over the piston flange and extends into the recess. The piston flange causes the cup to bulge sufficiently outward to form a fluid tight seal with the vial during use. A filter is placed in the bottom of the cup and abuts an inwardly extending lip on the cup. The filter is held against the lip by a piston support at the distal end of the piston. A cup support at a distal end of the cup also helps support the filter.

Abstract: A slurry handling and disposal system is provided for waste slurry and particulates. The system includes a waste bin provided with support structures for retaining a flexible removable filter element with a filter element supported above a floor of the waste bin. The particulate matter component of a volume of the waste slurry and particulates deposited in the filter element is retained in said filter element while the liquid component of the waste slurry and particulates are collected in a base portion of the waste bin.

Abstract: A filter element includes outer and inner sleeves made from a flexible, pervious material. The inner sleeve, which is arranged substantially concentric with respect to the outer sleeve, employs one or more handles to facilitate the removal of the filter element from an associated filter housing.

Abstract: An object of the invention is to provide a porous filter cartridge that hardly involves the contamination problem, provides an economic advantage, and is able to achieve efficient filtration and extraction without breaking. The object is accomplished by a porous filter cartridge including a bottomed cylindrical cap 5 with an outlet opening 29 at the bottom and a porous filter held inside the cap 5 on the bottom. At the bottom of the cap 5 a plurality of ribs 35, 37, and 39 are arranged radially about the outlet opening 29 in a standing condition to support the porous filter. At least some of the ribs are connected to each other at the center of the outlet opening 29 to span the outlet opening 29 to form a junction 43. The junction 43 has a top surface 41 convex to the porous filter side.

Abstract: Provided is an absorption column for body fluid purification by which the saturated adsorption amount of a substance to be adsorbed can be increased or the time required for reaching the saturated adsorption can be shortened, and therefore, the column capacity can be considerably reduced and the treatment time can be considerably shortened. The adsorption column having functional groups 6 specifically binding to a substance to be adsorbed including at least low density lipoprotein, immobilized on the surface of a porous support 5.

Abstract: The present invention relates to filtering a collected sample for water analysis, and a device where filtered water is collected so that filtered water can be contained in a sample container and where the collecting rate of the sample can be controlled. The collecting device comprises at least one filter funnel part, an upper plate on which the funnel part placed, mounting device comprising a supporting rod wherein one side of the supporting rod is combined with the edge of the upper plate and a waste box fixing the supporting rod, several base container parts wherein the sample container is inserted and a outlet port is formed, and a vacuum pump connected to the vacuum connecting port by a pump tube. Accordingly, the step of transferring filtered water into the sample container can be omitted, and the collection time can be reduced by controlling the collecting rate of the sample.

Abstract: A flexible water bottle is provided that includes an approach for filtering unfiltered water within the bottle. The bottle includes a filter assembly located within the cap of the bottle such that the filter assembly need not descend into the bottle cavity when the cap is screwed on, thereby not displacing water while screwing on the cap. The filter assembly has an axial flow orientation. An illustrated filter assembly includes paper filters covering the upper and lower ends and can include an activated charcoal filter in between the paper filters. Water is filtered when pressure generated by squeezing the bottle forces water from the bottle cavity through the filter along an axial flow path and out through a spout.

Abstract: A filter element is disclosed. The filter element includes a filter casing defining an inner radial surface, a filter body disposed within the casing, the filter body having an axial, dirty side surface and an axial, clean side surface, wherein the filter body includes fluted filter media having one or more flutes that extend from the dirty side surface to the clean side surface and a pre-filter including an axial, dirty side surface and an axial, clean side surface, the pre-filter arranged within the casing so that the dirty side surface of the pre-filter is proximate the clean side surface of the filter body, wherein the filter body and the pre-filter are fixably retained by the inner radial surface of the casing.

Abstract: An apparatus for buoyancy driven filtration includes a tank and a filter assembly. The tank preferably includes a cylindrical sidewall, a circular base and a roof. The sidewall extends upward from the perimeter of the base wall and the roof extends across the top of the sidewall. A travel stop extends downward from the roof. A liquid feedstock flows through a storm water inlet. At least one overflow port is provided through the sidewall. The filter assembly includes a filter element and at least one buoyancy element disposed on a bottom of the filter medium. As water flows through the storm water inlet, the water finds its level above the filter medium to provide a liquid feedstock, some of which penetrates the filter medium to create a filtrate. As the tank fills, the filter assembly rises on top of the filtrate as provided by the buoyancy element.

Abstract: A separation system including a pressure vessel containing a plurality of membrane cartridge assemblies is provided for the separation of a fluid feed. The separation system typically includes an elongated pressure vessel having a feed stream inlet, a residual stream and at least one permeate stream outlet. Disposed within the pressure vessel are a first tube sheet assembly defining a first permeate reservoir, a first fluid reservoir, and a plurality of membrane cartridge assemblies. The first tube sheet assembly includes a first pair of tube sheets, which define the first permeate reservoir therebetween, and a plurality of first sleeves disposed between the first pair of tube sheets. The first permeate reservoir is in fluid communication with the at least one permeate stream outlet. The at least one membrane cartridge assembly includes a membrane cartridge and a first permeate adapter joined to a first end of the membrane cartridge.

Abstract: A cardiotomy and venous blood reservoir including a housing assembly, a downtube, and a bowl. The housing assembly forms a chamber. The downtube extends from an inlet port to a downstream end within the chamber. A diameter of the tube lumen increases to the downstream end. The bowl forms a floor surface shoulder, intermediate segment, and protrusion. The shoulder circumferentially surrounds, and is spatially above, the downstream end. The intermediate segment extends radially inwardly and downwardly from the shoulder to a bottom face. The protrusion extends radially inwardly and upwardly from the bottom face to a center that is aligned with the lumen and below the downstream end. The flared inner diameter of the lumen reduces fluid velocity as venous blood enters the reservoir. The bowl floor surface gently receives the incoming venous blood at the protrusion, and smoothly guides the blood flow.

Abstract: The present invention relates to a cap for hermetically sealing receiver driers, in which a cap body and a filter are separated and detachably engaged with each other and an O-ring is installed between the cap body and the filter, thereby facilitating the replacement of parts and the installation of the O-ring, favoring automatic assembly due to a tool insertion groove that can be formed long, achieving compactness of the cap due to the reduction of a total height of the cap when the cap body and the filter are engaged, improving a filtering effect by increasing the size of the filter with the cap being maintained in the same size, and facilitating engagement between the cap body and the filter and preventing the cap body from being released from a tank by discharging the air between the cap body and the filter.

Abstract: A first filter basket (20) sits down into a catch basin (10) and has an upper flange (24) that rests on a shoulder (14) provided in the catch basin (10) for supporting a grate (16). The filter basket (20) has expanded metal side and bottom walls which are adapted to pass liquid and catch particulate material larger in size than the wall openings. A geo-textile liner (42) is optionally positioned inside of the filter basket (20). The liner (42) is supported on a lower rim flange (26). Posts (40) on the rim flange (26) extend upwardly through openings (66) in marginal portions of the liner (42). A smaller second filter basket (72) is optionally supported inside the larger first filter basket (20). An absorbent pillow (90) may be positioned between the bottoms of the two filter baskets (20, 72) to catch and absorb oils and greases that are in the liquid that enters the catch basin (10).

Abstract: A system and method are disclosed for filtering liquid using a filter platform that is not rigidly affixed to a container containing the liquid to be filtered. The platform may be buoyant so that as liquid flows from one side of the platform, through a filter, and then to the other side of the platform, the platform may move, thus reducing the volume of a container or portion of a container that holds the unfiltered liquid. Alternatively, the platform may be heavier than the liquid to be filtered, may be either set in place on a support structure or else set on top of unfiltered liquid and allowed to sink downward as liquid is filtered. The system may further comprise a flexible membrane that allows two sections of liquid to be separated, even while the platform is moveable.

Abstract: An oxygenator which helps avoid bubbles in the blood from being discharged through the blood outlet port of the oxygenator includes a housing, a hollow fiber membrane bundle in the housing and formed by a multiplicity of hollow fiber membranes serving for gas exchange, gas-inlet and gas-outlet ports communicating with gas passages of the hollow fiber membranes, and a blood-inlet and blood-outlet ports. A filter member is provided on a side closer to the blood outlet port of the hollow fiber membrane bundle and serves to catch bubbles in blood. The blood outlet port projects from the housing and a passage enlargement is provided in a vicinity of the end of the blood outlet port closer to the housing and having an increased passage cross-sectional area. The blood passed the filter member is allowed to reach the blood outlet port by being decelerated in the passage enlargement.

Abstract: A reversible vacuum filter cartridge for connection to a pair of tubes or other entities to filter a liquid medium placed in one of the tubes or other entities is described. The filter cartridge is comprised of a male coupling and a female coupling. The couplings are interconnected to one another by simply pushing a mating projection of the male coupling into a mating cavity of the female coupling. A connecting port is provided in the male and female coupling and has a conduit communicating with tube connecting ends of each of the couplings which communicate with an open end of a tube connected to each of the couplings. The connecting port is identical in each of the couplings and serves either as vacuum port or an air intake port. A filter disk is retained captive between perforated outer walls of each of the couplings when interconnected together in fluid-tight relationship.

Abstract: A filter module includes an axially extending central channel, a first hollow adapter having an interior through which the central channel extends, a second hollow adapter having an interior through which the central extends, one or more filter cells positioned between the first and second adapters and around the central channel, and an enclosure. The enclosure has a first retainer ring mounted around the first adapter, a second retainer ring mounted around the second adapter, and an envelope which is sealed to the first and second retainer rings and extends around the one or more filter cells.

Abstract: Disclosed is a sediment control apparatus capable of trapping sediments carried by a water stream. The apparatus comprises a filter member, a cover member, and a fastening mechanism. The filter member comprises an enclosure member composed of a permeable material capable of allowing water to pass therethrough, and a filtering material stored within the enclosure member for trapping sediments carried by the water stream. The cover member is coupled to the enclosure member such that an intermediate portion of the cover member is received on a portion of the enclosure member, and side portions of the cover member overhang from the enclosure member. The fastening mechanism is adapted to secure the side portions of the cover member to a surface for securing the filter member to the surface. The apparatus may further include at least one skirt portion configured on at least one peripheral edge of the cover member.

Abstract: A fluid filter assembly comprises a filter and a case. The case defines a filter chamber receiving the filter. The case comprises a notch extending into the filter chamber and engaging the filter.

Abstract: A filter within a filter cartridge design is described that includes a sealing structure on an endplate of an outer filter element. Generally, the sealing structure includes an annular flange on the endplate that can directly seal against an interior surface of a housing when the filter cartridge is assembled for use. During filtration, the annular flange prevents a working fluid from bypassing the outer filter element. The sealing flange can seal with the housing in a press fit engagement.

Abstract: The invention relates to a filtration cell that comprises a tank with a bottom wall (2) and four side walls extending upwards from the bottom wall as well as an upward opening, the four side walls including two opposite longitudinal walls (3, 5) as well as a front facing wall (4) and a rear facing wall connecting them, a filtration bed (7) supported in the tank, an outlet opening for discharging the filtrate, and a covering flap (24) protruding outwards from the top of one of said longitudinal walls, the longitudinal wall (5) opposed to that fitted with the flap including a lower portion (25) extending upwards from the bottom wall (2) and an upper portion (26) extending slantedly upwards and inside the tank from the top of said lower portion (25), and/or the front facing wall (4) comprises a bottom portion (27) extending upwards from the bottom wall (2) and a top portion (28) extending slantedly upwards and inside the tank from the top of said bottom portion (27).

Abstract: A self dislodging filter element, primarily for automotive applications, has a filter screen attached to an annular magnet. The filter element is installed in a port or conduit through which fluid flows and is held in place with magnetic attraction. If the filter screen becomes too clogged, pressure from the fluid impinging on the clogged screen overcomes the magnetic attraction and the filter slides down the conduit to be deposited in a repository and out of the fluid flow path.

Abstract: Improved screen filter modules, related compartmentalized filtration modules, and related filtration processes, suitable for filtering fluid to eliminate suspended particulate matter, such as living cells or microcarriers anchoring living cells, or to separate particulate matter based on size. The improvement is the presence of a barrier that channels redirected filtrate to the portion of the filter most susceptible to clogging by the particulate matter and induces flow patterns that act against clogging.

Abstract: A two part drain assembly for a container assembly with a drain for flowing fluid from the interior of the container assembly to exterior of the container assembly. A back plate comprising a first sliding engagement means parallel a second sliding engagement means connected by a back plate body, wherein a drain attachment hole is disposed on the back plate body and a bottom plate is disposed perpendicular to the first sliding engagement means and the second sliding engagement means. A front cover comprising a plurality of flow holes for slidably engaging simultaneously the first sliding engagement means and the second sliding engagement means, wherein the front cover forms an enclosed hollow chamber when slidably engaged with the back plate thereby permitting fluid to flow from the interior of the container assembly into the hollow chamber while excluding particles from entering the enclosed hollow chamber.

Abstract: A cross-corrugated structure packing module is provided for use in mass transfer or heat exchange columns and has particular applicability in severe service applications in which fouling, coking, and erosion are of concern. The structured packing module has a plurality of upright, parallel-extending, corrugated plates. Spacer elements are used to maintain the corrugations of adjacent plates in spaced apart relationship to reduce the opportunity for solids to accumulate on the surfaces of the plates. The plates are also free of apertures or surface treatments that would increase the opportunity for solids to accumulate on the plates.

Abstract: A disposable, single serve, fluid permeable filter configured to substantially conform to the contour of the interior surface of a permanent filter basket used in single serve type beverage brewers.