Abstract: An irrigation recirculation system and methods of filtering and cleaning water within the irrigation recirculation system. The system includes an above the ground water source and a fluid flow conduit that conveys the water into a filter element within a basin. The filter element separates solids from the water by causing the water to change direction before continuing on a fluid flow path. The water is then stored and distributed by a self-cleaning storage system that convey the filtered water to sprinkler heads of the irrigation system.

Abstract: A device includes: a first portion configured to be grasped by the hand of the user, and a second portion defining a reservoir containing a control material, wherein the control material contains a target analyte in a known or predetermined concentration. A method of verifying the accuracy of an analyte monitoring device includes receiving a fluid sample, identifying the fluid sample as a control solution, and analyzing the fluid sample.

Abstract: An icemaker appliance includes a cabinet forming an ice storage compartment, an ice maker provided in the ice storage compartment, a first reservoir storing liquid, a filter nested within the first reservoir, and a circulation system to deliver the liquid from the first reservoir to the ice maker. The liquid not frozen on the ice maker is filtered through the filter and resupplied to the circulation system.

Abstract: A fluid filtering device may have a body that include a fluid collection portion, a filtering chamber, and a passthrough bore. The fluid collection portion may be configured to collect fluid supplied to the fluid filtering device. The filtering chamber may be in fluid communication with the fluid collection portion. The filtering chamber may have an entrance portion, an exit portion, and a fluid filter. The filtering chamber may be configured to filter the fluid supplied to the fluid filtering device. The passthrough bore may be in fluid communication with the filtering chamber and may be separate from the fluid collection portion such that fluid flowing from the fluid collection portion flows into the filtering chamber, and the fluid flowing from the filtering chamber flows into the passthrough bore.

Abstract: A tool for performing a logic built-in self-test of an electronic circuit operating on a clock cycle basis. The tool stores a configurable test signature in a random-access memory together with a pattern counter for a test pattern, wherein a number of the at least one additional signature register corresponds to a number of entries in the random access memory. The tool determines an error based, at least in part, on a compare operation for a given test pattern, wherein the compare operation determines whether the test signature in the first signature register before a capture cycle of a next test pattern differs from the corresponding configurable test signature. The tool stores the error in a corresponding additional signature register.

Abstract: Devices, kits, and assays are provided for the testing and monitoring of hemoglobin, anemia, glucose-6-phoshate dehydrogenase, and glucose-6-phosphate dehydrogenase deficiency in an individual.

Abstract: An intravenous delivery system may have a liquid source containing a liquid, tubing, and an anti-run-dry membrane positioned such that the liquid, flowing form the liquid source to the tubing, passes through the anti-run-dry membrane. The anti-run-dry membrane may be positioned within an exterior wall of a drip unit, and may be secured to a seat of the exterior wall by an attachment component. The attachment component may have various forms, such as a secondary exterior wall that cooperates with the exterior wall to define a drip chamber, a washer positioned such that the anti-run-dry membrane is between the washer and the seat, and an adhesive ring formed of a pressure sensitive adhesive and secured to the anti-run-dry membrane and the seat via compression. Interference features may protrude inward from the exterior wall or outward from the anti-run-dry membrane to help keep the anti-run-dry membrane in place.

Abstract: An intravenous delivery system may have a liquid source containing a liquid, tubing, and an anti-run-dry membrane positioned such that the liquid, flowing form the liquid source to the tubing, passes through the anti-run-dry membrane. The anti-run-dry membrane may be positioned within an exterior wall of a drip unit, and may be secured to a seat of the exterior wall by an attachment component. The attachment component may have various forms, such as a secondary exterior wall that cooperates with the exterior wall to define a drip chamber, a washer positioned such that the anti-run-dry membrane is between the washer and the seat, and an adhesive ring formed of a pressure sensitive adhesive and secured to the anti-run-dry membrane and the seat via compression. Interference features may protrude inward from the exterior wall or outward from the anti-run-dry membrane to help keep the anti-run-dry membrane in place.

Abstract: A device includes: a first portion configured to be grasped by the hand of the user, and a second portion defining a reservoir containing a control material, wherein the control material contains a target analyte in a known or predetermined concentration. Methods for verifying the accuracy of an analyte monitoring device include receiving control information from a test cartridge, transporting control material to an analysis site, determining the presence of the control material, analyzing the control material, and providing a pass or fail signal.

Abstract: A liquid dispenser device including an air flow channel for passing air from the outside towards the inside of a liquid reservoir; a closure member for closing the air flow channel, the closure member being referred to as an “air diffuser member” and being made out of a non-porous polymer material that is permeable to air; and an isolator casing for isolating the diffuser member, the isolator casing being configured in such a manner that the diffuser member is not in contact with the liquid from the reservoir, the casing including an air flow element for passing air towards the inside of the reservoir.

Abstract: A liquid dispenser device including an air flow channel for passing air from the outside towards the inside of a liquid reservoir; a closure member for closing the air flow channel, the closure member being referred to as an “air diffuser member” and being made out of a non-porous polymer material that is permeable to air; and an isolator casing for isolating the diffuser member, the isolator casing being configured in such a manner that the diffuser member is not in contact with the liquid from the reservoir, the casing including an air flow element for passing air towards the inside of the reservoir.

Abstract: Embodiments of the invention generally provide a containment system having integrated bubble tight-dampers. In another embodiment, the containment system includes an integral auto-scan mechanism disposed in the housing of the containment system so that a filter element, disposed in the housing, may be leak tested without accessing the interior of the housing. In yet another embodiment, a method for testing a filter disposed in a containment system includes challenging an upstream side of a filter element disposed in a housing of the containment system with a test aerosol, and automatically moving a probe disposed within the housing to obtain samples for leak testing.

Abstract: A filter assembly includes a disposable filter body and a central support for the disposable filter body. Openings are provided in upper and lower ends of the disposable filter body for receiving a respective end of the central support. The filter assembly also includes a disposable filter cartridge, housed within the disposable filter body, and housing a filter member for filtering particulate contaminates from a flow of fluid through the filter assembly. The filter member is hollow and the disposable filter cartridge also includes an impermeable wall that extends axially through the filter member. The central support is separable from the disposable filter body and removable from the openings to allow disposal and replacement of the filter body and the filter cartridge during servicing.

Abstract: A blood processing filter including a flexible container (having an inlet and an outlet and a sheet-like filter member that is assembled in the flexible container) has a seal part that seals the flexible container and the filter member to form an effective filtration portion of the filter member and a partition part that seals the flexible container and the filter member to partition the effective filtration portion into a plurality of areas. The seal part and the partition part cooperate with the filter member to divide inside of the flexible container into three or more internal spaces including an inlet space that communicates with the inlet, and an outlet space that communicates with the outlet, and also form, as a blood channel, a channel that passes through each of three or more of the internal spaces and also passes multiple times through the filter member.

Abstract: A filter device, in particular a return line suction filter, has at least one filter housing (3) receiving a filter element (17) defining a longitudinal axis. The filter element has an end cap with an enclosure at one filter element end enclosing an end edge of the filter material (39) and fixed to an element receptacle (5) connected to the filter housing (3) for fixing the location of the filter element (17) in its functional position. The element receptacle (5) and the associated end cap (21) of the filter element (17) have design irregularities (63, 65) adapted to each other at their parts (23, 47) engaging each other in the functional position of the filter element (17). The irregularities enable the engagement in a positional alignment to each other.

Abstract: A filter element for a liquid filter is arranged in the liquid filter housing that has at least two housing parts such that an inlet of the housing for liquid to be filtered is separated from an outlet of the housing for filtered liquid. The filter element has a filter medium provided with a terminal disk. The terminal disk has a seal support for an outer radial annular seal that is to be clamped in a clamping area between the housing parts that are separable from each other. The seal support of the filter element has axially at least a base member and a cover member. The base member is fixedly connected to the terminal disk. The cover member is attached to the terminal disk, to the base member, or to terminal disk and base member. The annular seal is positioned between base member and cover member.

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

Abstract: A fluid filter assembly prevents the filter from moving when fluid is not flowing through the filter. The filter assembly of the invention includes a mounting ring mountable in the filter opening. The mounting ring has a mounting interface, which includes an axially extending portion and a radially outwardly extending flange that has a diameter greater than the filter opening. A rib extends radially outwardly from and circumscribes the ring. The rib is seatable within an annular groove defined within the filter housing and circumscribing the filter opening. When the rib is positioned in the groove, the filter is releasably secured in the opening.

Abstract: A filter assembly includes a head, a filter housing which can be connected to the head, and a filter element which can be received in the filter housing. The filter element includes a tubular wall provided with a filtration medium; a first end part provided at a first axial end of the filter element; and a second end part provided at a second axial end of the filter element. The second end part of the filter element is provided with a either a protrusion or an undercut opening, on the one hand, and the second end of the housing is provided with either an undercut opening or a protrusion, on the other hand. A side of the protrusion or opening is provided with a sloping face which slopes at a slope with respect to the axial direction of the filter element.

Abstract: A filter element for a liquid filter, especially a fuel filter, having an annular, rotationally symmetrical filter medium closed on at least one axial end by an end disk to sealingly separate an exterior space surrounding the the filter medium from an interior space inside the filter medium, with a connecting opening provided in the end disk such that the opening is arranged eccentrically of the axis of the filter medium, and a filter system in which such a filter element is disposed.

Abstract: Disclosed is a membrane separation device comprising a plurality of flat membrane elements (52) arranged in parallel to one another so as to form channels for a solution to be treated therebetween, and a collecting case (59) having a collecting space that is formed internally and communicates with filtrate flow channels of the membrane elements (52). The collecting case (59) includes a membrane element holder (53) having a plurality of slits, into which the sides of respective membrane elements (52) are inserted, and a stopper (58) which abuts on the membrane element holder (53) in the collecting case (59), and a filler (55) is provided in the slits to attach and watertightly seal between the membrane elements (52) and the membrane element holder (53).

Abstract: A replaceable filter has a filter housing with a cylindrical connecting end. A housing lid has a cylindrical counter connecting member matching the cylindrical connecting end. A filter closure system seal-tightly connects by form fit the cylindrical connecting end and the cylindrical counter connecting member when the connecting end is inserted or pushed onto the counter connecting member in an axial connecting direction and moved relative to the counter connecting member. An annular member is arranged coaxially relative to the connecting end and has a terminal edge area that is connected seal-tightly to the filter housing such that the annular member and the connecting end define a receptacle for the cylindrical counter connecting member. A sealing device is arranged in the receptacle and connected to the filter housing. The sealing device interacts with the counter connecting member.

Abstract: An oil filter assembly is disclosed for a machine, such as an internal combustion engine, that has an oil output port and an input port. A mounting plate is fixed with an outer enclosure. The mounting plate is further adapted to conduct oil from the machine into a peripheral portion of the outer enclosure, and then returning oil from a central portion of the outer enclosure back to the machine. Oil may pass from the peripheral portion to the central portion through a primary filter having a first porosity. A pressure-actuated valve is fixed fluidly between the portions of the outer enclosure. Oil passes through the pressure actuated valve only when an oil pressure differential between the peripheral and central portions exceeds a threshold pressure. A secondary filter has a second porosity greater than the first porosity, and is fixed between the pressure-actuated valve and the central portion.

Abstract: The present invention relates to a filter unit (1) for use in a water filtering device (30). The filter unit comprises a housing (3) having an inlet (13a-d) for receiving water to be filtered and an outlet (25) for dispensing filtered water. A water filtering medium (5) is contained in between the inlet and outlet. The water filtering medium (5) comprises an ion exchange resin layer (5b) and an activated carbon loaded material layer (5c), which layers are provided as two distinct layers arranged in the housing. The invention further relates to a water filtering device, such as a water filter jug, comprising a filter unit.

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

Abstract: A form-molded filter element cartridge has a pass-through filter-media sidewall through which fluid passes and is filtered, and has at least one filter-media flange compressively engageable to form a seal between a first dirty unfiltered-fluid side of the filter-media sidewall and a second clean filtered-fluid side of the filter-media sidewall. A method is provided for making the filter element cartridge.

Abstract: A liquid filter assembly is provided. The preferred assembly includes a serviceable filter cartridge having a primary filter section and a secondary or bypass filter section. The preferred assembly includes a bypass valve arrangement and a suction filter arrangement. A valve, to allow flow from an interior of the assembly to a reservoir if needed, is provided. Preferred serviceable filter cartridges are shown.

Abstract: Embodiments of the invention generally provide a containment system having integrated bubble tight-dampers. In another embodiment, the containment system includes an integral auto-scan mechanism disposed in the housing of the containment system so that a filter element, disposed in the housing, may be leak tested without accessing the interior of the housing. In yet another embodiment, a method for testing a filter disposed in a containment system includes challenging an upstream side of a filter element disposed in a housing of the containment system with a test aerosol, and automatically moving a probe disposed within the housing to obtain samples for leak testing.

Abstract: A filter device having a filter element (9) forming a body extending along a longitudinal axis received in a housing (1) closed by a cover part (3). A sealing arrangement (49) is provided to form a fluid-tight seal between the housing (1) and the cover part (3). The sealing arrangement (49) is a component of a filter element (9) and is fixed to a sealing carrier (48) rigidly connected to the filter element.

Abstract: An endcap includes a first plate member having a radial inner portion, a radial outer portion, and defining a longitudinal axis. The endcap also includes a flange disposed between the radial inner and outer portions, and projecting axially along the longitudinal axis in a first direction. The endcap also includes a first seal member disposed adjacent the flange. The first seal member includes a first portion engaged with an axial facing surface of the first plate member and a second portion engaged with a radially facing surface of the flange. The endcap further includes a second plate member disposed radially outward of the radial outer portion and a second seal member disposed adjacent the second plate member including at least a portion axially spaced from the axially facing surface of the first plate member in a second direction along the longitudinal axis opposite the first direction.

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 element disclosed herein includes a center tube defining a central reservoir and including an interior sidewall. The filter element further includes an end plate and a pocket defining a port extending from the end plate into the central reservoir. The pocket includes an inner wall, an outer wall, and a plurality of projections extending from the outer wall of the pocket toward the interior sidewall of the center tube.

Abstract: Housings for reverse osmosis filter cartridges and methods of making the same. The housings include: (1) a hollow cylindrical liner formed of a thermoplastic polymer that is adapted to surround a reverse osmosis filter cartridge; (2) a hollow head assembly that includes a transition collar portion formed of a thermoplastic polymer that is joined to said liner and a barrel portion formed of a chopped glass fiber-filled polymer that is overmolded onto said transition collar portion; (3) an end plug that is adapted to be received within an opening in the barrel portion; and (4) an overwrap layer comprising wound glass filaments and a polymeric resin that covers the outer surfaces of the liner and head assembly.

Abstract: A filter assembly with a replaceable filter element and a reusable filter housing, which incorporates a locking mechanism to ensure that the filter system will not be operated without a filter element installed.

Abstract: A rainwater collection apparatus is formed with an outer sleeve member that is adapted to connect with upper and lower downspout portions, and with an internal colander that is operable to collect and filter the rainwater flowing through the upper downspout portion. The colander has an upper flanged edge that removes water flowing along the inside surface of the downspout, a filter area including a plurality of apertures for the passage of rainwater into a catch basin, and a support flange that rests on a base ledge formed on the outer sleeve to define the catch basin. A discharge spout drains the collected rainwater from the catch basin to a remote storage container. An internal opening in the colander allows the passage of debris and the overflow of rainwater from the catch basin through apertures in the colander for discharge through the lower downspout portion.

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 spinning method for making a seamless filter housing 50 with an elliptical bottom 52 and a bottom opening 58 for a drain port. An inlet port 62 is added after fabrication along with any optional sensor ports 64. The seamless filter housing 50 made with this process.

Abstract: The invention relates to a filtering device, comprising a tubular filter element and a carrier part, with the filter element fastened thereon. The carrier part can be inserted between an unfiltered fluid pipe and a filtered fluid pipe. The pipes can be assembled into a continuous flow pipe, wherein the filter element protrudes into the pipe interior.

Abstract: Housings for reverse osmosis filter cartridges and methods of making the same. The housings include: (1) a hollow cylindrical liner formed of a thermoplastic polymer that is adapted to surround a reverse osmosis filter cartridge; (2) a hollow head assembly that includes a transition collar portion formed of a thermoplastic polymer that is joined to said liner and a barrel portion formed of a chopped glass fiber-filled polymer that is overmolded onto said transition collar portion; (3) an end plug that is adapted to be received within an opening in the barrel portion; and (4) an overwrap layer comprising wound glass filaments and a polymeric resin that covers the outer surfaces of the liner and head assembly.

Abstract: A liquid filter, with a housing inlet port and outlet port arranged at the bottom of the liquid filter. The liquid filter may also be configured with an inward projecting domed top cover and/or an eccentric septum plate supporting a desired filter element and/or filter basket. The inward projecting domed top cover configurable with respect to the septum plate to retain the desired filter element and/or filter basket in place when in a closed position.

Abstract: The invention provides a filter module comprising an outer casing provided at each end with a respective support plate for supporting at least one filter element for obtaining a filtrate that is recovered via an outlet passage provided in the vicinity of each support plate. According to the invention, each support plate is extended at right angles by an assembly skirt for assembling to the casing.

Abstract: An endcap including a first plate member including a radial inner portion, a radial outer portion, and defining a longitudinal axis. The endcap also includes a flange disposed between the radial inner and outer portions of the first plate member and projecting axially along the longitudinal axis in a first direction. The endcap also includes a first seal member disposed adjacent the flange. The first seal includes a first portion thereof engaged with an axial facing surface of the first plate member and a second portion thereof engaged with a radially facing surface of the flange. The endcap further includes a second plate member disposed radially outward of the radial outer portion and a second seal member disposed adjacent the second plate member including at least a portion thereof axially spaced from the axially facing surface of the first plate member in a second direction along the longitudinal axis opposite the first direction.

Abstract: One embodiment is a filter assembly wherein the shape of the filter is a non-circular geometry. Other embodiments include unique apparatus, devices, systems, and methods to remove contaminates from a flow of fuel while at the same time providing a unique filter and filter assembly geometry. 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: Embodiments of the invention provide a pre-filter assembly for use with a pump. The assembly includes a housing having an intake channel and an outlet channel. The intake channel includes an intake flange around a first circumference and a ribbed surface to facilitate sealing. The outlet channel includes a bottom portion and an outlet flange around a second circumference. The intake flange and the outlet flange are on opposite sides of the housing. The assembly also includes a basket positioned in the housing. The basket has a bottom side and is positioned above the bottom portion of the outlet channel to form a chamber. The basket is positioned in closer proximity to the intake channel than to the outlet channel. In addition, the assembly includes a securing device with a lid having ridges and a clear top to permit the user to view the contents of the basket. The securing device also includes a locking ring with slots and openings to permit the user to view the contents of the basket.

Abstract: A filter assembly for filtering particulate contaminants from a fluid comprises: a generally cylindrical filter unit with one end closed and the other end open; a filter head comprising a generally cylindrical sleeve extending generally horizontally an open end for receiving the open end of the filter unit with that has a vent port aligned with a vertical axis through an upper portion of the sleeve and a drain port aligned with the vertical axis extending through a lower portion of the sleeve; and a coupling for securing the open end of the filter unit to the filter head to seal the sleeve vent and drain ports; wherein loosening the coupling allows the filter unit to slide away from the filter head sufficiently to establish fluid communication between the sleeve vent and drain ports.

Abstract: A membrane treatment apparatus includes a filtration membrane 10 filtering raw water existing in an external environment 100 by applying pressure thereto and a treated water outlet 11 from which treated water collected after filtration by the filtration membrane 10 is taken, and is provided with a filter cloth 12 placed and fixed outside the filtration membrane 10 with a predetermined space left between the filter cloth and the filtration membrane. Preferably, the filter cloth 12 is provided in such a way as to cover an outer circumferential side and a bottom of the filtration membrane 10, and the filter cloth 12 is provided in such a way as to cover the outer circumferential side of the filtration membrane 10 with the bottom thereof uncovered.

Abstract: Embodiments of the invention generally provide a containment system having integrated bubble tight-dampers. In another embodiment, the containment system includes an integral auto-scan mechanism disposed in the housing of the containment system so that a filter element, disposed in the housing, may be leak tested without accessing the interior of the housing. In yet another embodiment, a method for testing a filter disposed in a containment system includes challenging an upstream side of a filter element disposed in a housing of the containment system with a test aerosol, and automatically moving a probe disposed within the housing to obtain samples for leak testing.

Abstract: The present invention includes a harvesting and irrigation device, a method and a kit for the collection of viable fat cells and/or adipose tissue with decreased handing and improved yield and viability.

Abstract: An oil filter assembly is disclosed for a machine, such as an internal combustion engine, that has an oil output port and an oil input port. A mounting plate is fixed with an outer enclosure and is adapted for securing to the machine. The mounting plate is further adapted to conduct oil from the machine into a peripheral portion of the outer enclosure, and then returning oil from a central portion of the outer enclosure back to the machine. Oil may pass from the peripheral portion to the central portion through a primary filter having a first porosity. A pressure-actuated valve is fixed fluidly between the peripheral portion and central portion of the outer enclosure. Oil may pass through the pressure-actuated valve only when an oil pressure differential between the peripheral portion and the central portion of the outer enclosure exceeds a predetermined threshold pressure.

Abstract: A blood filter device includes: a housing that includes a dome 2 provided with a blood inlet, a filter retaining portion 3 that is positioned below the dome, and a bottom portion 4 provided with a blood outlet; and a filter 8 that is mounted in a cavity of the filter retaining portion and partitions a cavity of the housing into a dome side and a bottom portion side. A sheet-like filter member 8a of the filter forms a plurality of pleats, and ridgelines of the respective pleats traverse the filter retaining portion in parallel respectively.