Abstract: A filter assembly for filtering a liquid or gaseous medium includes a filter housing for receiving an exchangeable filter insert. The filter housing has a housing head and a housing cover that can be removably connected to the housing head by means of a connecting element. The connecting element interacts with a locking element associated with the housing head so that, for the purpose of assembly, the housing cover can be connected to the housing head only if the filter insert is located in the filter housing.

Abstract: A filter cartridge for operatively engaging a manifold having an ejection cam and an insertion cam. The filter cartridge includes a filter element and inlet/outlet portion in fluid communication with the filter element.

Abstract: Embodiments of the invention provide a filtration system comprising a filter tank. In some embodiments, at least portions of an inlet pipe and an outlet manifold can be positioned within the filter tank. At least one manifold assembly can be coupled to the outlet manifold and also can be positioned within the filter tank. In some embodiments, the manifold assembly can include at least one first aperture, at least one second aperture, and at least one first cavity positioned within the manifold assembly. In some embodiments, the second aperture can fluidly connect the first cavity and the outlet manifold. Also, at least one filter can be coupled to the manifold assembly so that the first aperture fluidly connects the filter to the first cavity.

Abstract: A head for a water filter system having a filter element including a three-way valve member movable between a first position, a second position, and a third position. When the valve member is in the first position, incoming water is directed to the filter element to remove sediment and impurities from the water. When the valve member is in the second position, the incoming water is blocked from passing through the filter element and the valve member. Lastly, when the valve member is in the third position, the incoming water passes through the valve member and not the filter element so that the filter element can be removed and replaced without interrupting the incoming water flow.

Abstract: The present invention is uniquely engineered and provides water treatment devices for treatment of water in a small community or individual who are out of reach of access to safe water for domestic use, reach of adequate resources and reside in rural setting. Water treatment device of the invention are flexible, light weight and have high capacity.

Abstract: A filter with a drain valve is provided. The drain valve mounts within an opening of a housing of the filter. The drain valve has a knob mounted to a valve member thereof. At least one locking structure is disposed between the knob and the valve member to mechanically lock the knob to the valve member. Such a configuration reduces the likelihood that the knob will become inadvertently dislodged during operation.

Abstract: A collapsible container consists of three parts: a rigid top rim, a flexible center band, and a rigid base. This combination of sections allows the container to easily collapse to about one-third of its original height. The container is also quite stable when expanded and is self-supporting. In various embodiments of the invention, for example, the upper rim may be expandable, the base may include holes or mesh to serve as a colander or strainer, or the base may be configured as a tube to function as a funnel.

Abstract: A V-shaped filter includes a pair of filter media panel elements having respective root ends and diverging therefrom to distal ends in a V-shape. A single unitarily molded fixture is provided, securing the pair of filter media panel elements in the V-shape.

Abstract: A water filter system includes a removable filter unit having a body portion including a proximal end and a distal end. The proximal end is adapted to be inserted into a filter head assembly. A laterally extending key member is disposed on the body portion and adapted to engage a key slot in the filter head assembly. An engagement protrusion extends from the proximal end. The engagement protrusion includes a first portion that has a first radius of curvature and a second portion opposing the first portion that includes a second radius of curvature that is larger than the first radius of curvature.

Abstract: An intake strainer for establishing a sufficient water supply to a suction hose. The intake strainer includes a triangular-shaped body having an elongated bottom, a screened intake, and foot members extending from the body for elevating the intake. The body also includes interior guide vanes angled from the intake towards a central opening of the body to form water-receiving channels. Optional low water-level control blades may also be used with the intake. Extending from the side opening of the body is an outlet member which serves to fluidly connect to a hose, such as a fire hose, or a threaded coupler which would in turn connect to a threaded part of the fire hose. The strainer may be attached to a support plate for being affixed to a supporting frame of the holding tank or alternately may be used in a skimmer assembly and/or be attached to a flotation member.

Abstract: A colander-bowl assembly, having a bowl, the bowl having a rim and a first handle member extending outwardly from the rim, and, a colander pivotally secured to the bowl, the colander having a rim and also having a second handle member extending outwardly from the colander rim wherein said colander rotates exterior to said bowl.

Abstract: A device and method for removing moisture from ethanol blended fuel in a fuel tank comprises a container made of a non-woven nylon fabric, a desiccant, and a gelling agent; wherein the desiccant and gelling agent are inside the container.

Abstract: An aquarium filter cartridge includes a frame and a media pack attached to the frame. The frame includes recessed sections along the sides. The filter cartridge can be part of dual filter cartridge, also including a biological host media filter element. The filter cartridge or the dual filter cartridge can be mounted in a filter housing by sliding within receiving grooves in the filter housing. Methods of servicing are included.

Abstract: A fluid filter is disclosed herein, the fluid filter having a cylindrical body with a plurality of flutes disposed around its outer circumference, a cap coupled for rotation with the body having a plurality of projections disposed to engage the plurality of flutes, wherein the plurality of projections rotate past the plurality of flutes when a torque exceeding a threshold is applied to the cap.

Abstract: A filter incorporating a vessel defining an interior space, the vessel having a ceiling and a floor; filter media contained within the interior space; a helically threaded port which opens the vessel's interior space at the ceiling; a turn plate having a an outer edge; a retainer ring and snap ridges combination which interconnects the turn plate and the vessel, positions the plate beneath the floor, and facilitates circumferential motion of the plate's outer edge; a turn handle connected operatively to the plate, the turn handle being adapted for impelling the turn plate's circumferential motion; and ratcheting hook and ridge combinations which further interconnect the turn plate and the vessel, the hooks and ridges being adapted for, upon turning of the handle, translating a limited screw tightening torque to the ceiling's helically threaded port.

Abstract: A water treatment and conveyance apparatus that has a barrel with two ends, each with an indentation to accommodate a handle made of a heavy-duty material, two side members, a transverse grip member and two transverse support members that fit securely into the indentations of the barrel ends. One end of the barrel (the top) has at least one hole accommodating a removable cap, a removable inlet filter of mesh to screen out particles from entering water, and a removable outlet filter. In use, the handle is attached to both ends of the barrel in the indentations and the barrel is rolled and pulled to a water source and back to the puller's abode. After filling the barrel, a cleansing chemical such as a chlorine tablet is added to the water to help sterilize the water in transit.

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: A dialysis machine includes an ultrafiltration pump that pumps fluid from a pump inlet to a pump outlet, and a calibration fluid container. The container including a bottom, an upstanding sidewall, a container inlet and a container outlet, the bottom and the upstanding sidewall defining a container interior. The container may be to the atmosphere. At least the container outlet being disposed in the sidewall proximate to the bottom. The first end of a first hose is fluidly coupled to the pump inlet, and the second end of the first hose is removably, fluidly coupleable to the container outlet. The first end of a second hose is fluidly coupled to the pump outlet, and the second end of the second hose is removably, fluidly coupleable to the container inlet. In this way, a calibration process may be performed when the second ends of the first and second hoses are fluidly coupled to the container outlet and the container inlet, respectively.

Abstract: A membrane element is provided between a pair of water collecting cases. Water collecting spaces in which permeate having penetrated through the membrane element is collected are formed in the water collecting cases. The water collecting case of one membrane module and the water collecting case of the other membrane module are coupled via coupling portions. The coupling portions have flow holes. The water collecting space of the water collecting case of the one membrane module and the water collecting space of the water collecting case of the other membrane module communicate with each other via the flow holes of the coupling portions.

Abstract: A customizable multi-stage fluid treatment assembly typically includes a connector, a plurality of cartridges, and a cap. The plurality of cartridges have a treatment medium spaced within an interior volume of the individual cartridges, between the ends thereof. The ends of the plurality of cartridges are configured to receive a fluid, bring the fluid into operative contact with the treatment medium, and dispense the fluid from the opposing end of the cartridge. The connector is coupled with one end of the plurality of cartridges and has an inlet and an outlet for receiving and dispensing the fluid to and from an appliance. The cap is coupled with the other end of the plurality of cartridges, enclosing the fluid treatment assembly, which is configured to be received in a cavity of an appliance. The cartridges of the plurality of cartridges may be individually replaced with cartridges to meet customized needs.

Abstract: A filter element including a filter media, a first end cap, and a second end cap is provided. The filter media has first and second filter ends. The first end cap is attached to the first filter end and the second end cap is attached to the second filter end. The second end cap is formed from a molded material and includes a handle structure unitarily molded therein. The handle structure includes a flange with a void formed at least partially transversely therethrough. The void is molded without a mold split such that no mold split parting line is formed on the second end cap. In one embodiment, the void is formed in the flange of the handle structure using a grommet molded therein.

Abstract: A modular assembly for a portable hemodialysis system may include a dialysis unit, e.g., that contains suitable components for performing hemodialysis, such as a dialyzer, one or more pumps to circulate blood through the dialyzer, a source of dialysate, and one or more pumps to circulate the dialysate through the dialyzer, and a power unit having a housing that contains suitable components for providing operating power to the pumps of the dialysis unit. The power unit may be selectively connected to the dialysis unit and provide power (e.g., pneumatic power in the form of pressure and/or vacuum) to the dialysis unit for the pumps when connected to the dialysis unit, but may be incapable of providing power to the dialysis unit when disconnected from the dialysis unit. The dialysis unit and the power unit are sized and weighted to each be carried by hand by a human.

Abstract: A liquid filter housing with at least one handle molded into its perimeter enclosure, used in a Point of Entry water filtration system, or any similar water filtration system, wherein the handles on the filter housing operate to eliminate the necessity of a separate housing wrench used to detach and reattach the water filter housing during the changing of the filter media at the time of installation or ongoing maintenance.

Abstract: A detachable vented signaling alarm apparatus is provided which is capable of being attached to a skimmer basket commonly used with pool skimming systems. There are many different configurations and sizes of skimmer baskets with which the present apparatus is capable of attachment merely by drilling a hole generally centrally in the skimmer basket bottom. The detachable signaling alarm may be readily removed from the skimmer basket for various reasons such as pool vacuuming or maintenance and includes a vented stem for minimizing damage to the basket when debris has accumulated therein. An alarm of any type can be used with the vent mechanism for indicating when the skimmer basket is substantially blocked by debris by generating of an alarm condition responsive to airflow through the vent.

Abstract: A liquid transfer device having a housing with a top end, a bottom end, a sidewall, and an inner cavity. The sidewall has an inner surface and an outer surface. There is a plurality of openings traversing said sidewall. Also present is a filtering surface that covers the openings. The water or other liquids are pumped or transferred with a pump contained inside the inner cavity, with a fluid exit used for carrying the water out towards exterior hosing.

Abstract: A fluid filter assembly for filtering a fluid includes a housing base portion having an axially extending tube, a housing cover that is connected to the housing base portion to define an interior space, a filter element, and an interface structure. The filter element is disposed within the interior space and in engagement with the axially extending tube, the filter element having a filter media, a bottom end cap, a top end cap, and a mounting member defined by the top end cap, the mounting member having an axial wall with a vent passage therethrough and a radial wall that encircles the axial wall. The interface structure is connected to the housing cover and engages the top end cap of the filter element.

Abstract: The present invention discloses a multi-layer filter. The multi-layer filter comprises an upper part, and a body part. The body part comprises at least two filter layers with different mesh size respectively. By employing the multi-layer filter, it is conveniently and easily to make coffee/tea without residue of ground coffee/tea leaf.

Abstract: A filter system having a filter element ejection device is provided. Filter systems according to the present invention may include a filter element that includes an ejection receiver for receiving actuation action from an ejector of a filter housing. The ejector engages the ejection receiver when a user desires to eject the filter element from the filter housing. Typically, the ejector extends through the filter housing and axially ejects the filter element from the housing.

Abstract: A solids containment device for use in n hydromechanical grease interceptor, sized and shaped to be removably carried within the hydromechanical grease interceptor. The solids containment device includes a containment body with side and end walls, an open top, a wastewater inflow opening and an outflow opening. At least one removable solids separating screen is carried within the containment body, and is located between the inflow opening and the outflow opening. The outflow opening is directed away from the outflow aperture of the hydromechanical grease interceptor, in order to encourage a generally diagonal flow path for the wastewater stream within the hydromechanical grease interceptor, thereby encouraging separation of fats, oils and grease.

Abstract: A water filtration system includes a faucet assembly and a filtration assembly. The filtration assembly includes a filter assembly; a filter bracket or mounting assembly for securing the filter assembly to a support surface or structure; and a filter manifold assembly including an unfiltered water inlet for connecting to an unfiltered water supply and a filtered water outlet for connecting to a valve assembly of the faucet assembly. The filter assembly interfaces with the filter manifold assembly to provide filtered water to the faucet assembly under control of the valve assembly. A filter that otherwise would not interface with the filter bracket/mounting assembly and/or the filter manifold assembly can be adapted to work in the water filtration system by using a filter adaptor assembly.

Abstract: A strainer device (1) is described, which may be mounted on a pour-out of a container by way of fastening means (12) on a lower side (14) which may face the container (3). The strainer device (1) comprises a plurality of sieve elements (10) which are pivotably arranged on a sieve element holder (15) in a plane parallel to the lower side (14) of the strainer device (1), at least partly separated from one another by way of slots (11). As a whole a flexible, bendable comb-like strainer device (1) is formed, which is may be fastened with a fixation device (2) on the pour-out of the container in a simply releasable manner. The strainer device (1) is preferably designed of a heat-resistant plastic, wherein stainless steel may also be applied completely or partly for the design of the sieve elements (10) and/or the sieve element holder (15).

Abstract: A system and method for installing a large-sized filtering membrane module to a frame structure with easiness is disclosed, wherein the system comprises a frame structure to which the filtering membrane module is to be installed; and an installing apparatus for installing the filtering membrane module to the frame structure, wherein the installing apparatus comprises a horizontal rod parallel to an inserting direction of the filtering membrane module into the frame structure; and a moving unit movable toward the frame structure along the horizontal rod while supporting the filtering membrane module.

Abstract: A water dispenser in a refrigerator door can include a filter casing in the door opening into the bottom of the dispenser housing. The filter casing can include a top wall positioned in the bottom of the dispenser housing, a head assembly at the bottom of the filter casing connected to the water supply and to a water outlet in the dispenser, and can include a filter casing drain. A filter cartridge in the filter casing can connect to the head assembly. The filter casing can include a filter retainer mounted adjacent the opening into the filter casing and can hold the filter cartridge connected to the head assembly in a first position and can release the filter cartridge in a second position. The filter casing can include a drain line leading from the filter casing drain to a pan outside the refrigerated space.

Abstract: A dual stage filter assembly for use in a fluid cleaning and sludge removal operation. An upper stage centrifugal separator incorporated into a first vessel. A lower stage baffle filter is incorporated into a second vessel, such that a dirty fluid flow delivered to the upper stage separator includes a clean outlet along with a separate dirty outlet which is delivered to an inlet of the lower stage filter for subsequent filtering and outflow. A convex collection element facilitates delivery of dirty fluid to the lower stage filter and includes a cone shaped separator element and can be either fixed or removable relative to the upper stage separator. An ascending pipe from the upper separator evacuates a clean fluid flow resulting from a negative pressure created within the upper separator concurrent with the dirty outlet from the upper stage being directed through the baffle filter in the lower stage.

Abstract: A filter for edible oil and fat designed to increase the useful life of oil and fat used for frying foodstuff and to improve the quality thereof, having reduced shape and dimensions, thus allowing to be immersed in the oil to be filtered, thus eliminating the time spent for removing and conveying the hot oil compared to the traditional filtering methods and making the process safer; the shorter time reducing the loss of heat, thus keeping the oil hot and the viscosity low and thus facilitating the passage thereof through filtering element.

Abstract: A portable device for filtering and purifying water comprised of an outer chamber and an inner chamber that is slidable within a section of the outer chamber, and a small pore size pre-filter, whereby water is drawn through the pre-filter into the first container section of the outer chamber where it is isolated and treated with a disinfectant agent, then is drawn out of the first container section and into the second container section, and then into the inner chamber, where it is passed across another filtering material such as an activated carbon bed, removing any remaining contaminants before the potable water exits through a mouthpiece.

Abstract: A portable device for filtering and purifying water comprised of an outer chamber and an inner chamber that is slidable within a section of the outer chamber, and a small pore size pre-filter, whereby water is drawn through the pre-filter into the first container section of the outer chamber where it is isolated and treated with a disinfectant agent, then is drawn out of the first container section and into the second container section, and then into the inner chamber, where it is passed across another filtering material such as an activated carbon bed, removing any remaining contaminants before the potable water exits through a mouthpiece.

Abstract: A water filter for a refrigeration appliance has a housing (1), which contains a filter material and has a fitting for mounting in a filter socket (2) at one end. A grip portion (8) is attached to an opposite end (3) of the housing (1).

Abstract: A portable water disinfecting and purification apparatus comprising a first chamber into which water to be purified may be drawn by suction or negative pressure, a second chamber into which the water from the first chamber can be forced by a pumping action or positive pressure, whereby the water is initially passed across a pre-filter secured over the inlet to the first chamber and having a very small pore size and an inner cavity in which a disinfecting agent is place to filters most contaminants before the water is drawn into said filtering device, and once in the first holding chamber the water is isolated and may be further treated with a disinfectant agent, and then is passed though at least additional filtering substance including an activated carbon or nano-filter.

Abstract: The present invention relates to a refrigerator having a water filter, a water filter housing, a water filter cap, and a tool for rotating the water filter cap. Engagement of the tool and the water filter cap and subsequent rotation of the tool thereby rotates the water filter cap and water filter. The tool includes a head portion and a body portion and the head portion is an inverse surface of at least a portion of the water filter cap for mating with the water filter cap.

Abstract: A colander includes a front portion, an intermediate portion, and a back portion, with the intermediate portion being formed from a resilient material. The front portion is sized to be smaller than the back portion, allowing the front portion to be pressed into the back portion, folding the intermediate portion, for compact storage.

Abstract: A liquid filter has a filter housing with a first thread and a drain passage. A filter element including a filter medium is arranged in the filter housing. A filter lid is provided with a second thread configured to engage the first thread for connecting the filter lid to the filter housing. The filter lid further has a filter bypass valve for bypassing the filter element when a pressure loss that is too high occurs when liquid passes through the filter medium of the filter element. First bayonet connectors are provided on the filter lid and second bayonet connectors are provided on the filter element for connecting the filter element to the filter lid by engaging the first bayonet connectors. A double-concentric seal is arranged on the filter element for closing off the drain passage.

Abstract: A water dispenser in a refrigerator door can include a filter casing in the door opening into the bottom of the dispenser housing. The filter casing can include a top wall positioned in the bottom of the dispenser housing, a head assembly at the bottom of the filter casing connected to the water supply and to a water outlet in the dispenser, and can include a filter casing drain. A filter cartridge in the filter casing can connect to the head assembly. The filter casing can include a filter retainer mounted adjacent the opening into the filter casing and can hold the filter cartridge connected to the head assembly in a first position and can release the filter cartridge in a second position. The filter casing can include a drain line leading from the filter casing drain to a pan outside the refrigerated space.

Abstract: A modular water purification system is optimized for versatility and weight using a pump component that is mountable by standardized fittings into alternative prime mover modules that can receive and power the pump. The pump can be a heavy high pressure pump for a reverse osmosis stage, interchangeably mounted on an internal combustion engine module or an electric motor module. The pump is enclosed and protected by a frame with end plates, elongated bar handles and a standardized base that fits into and is fixed by a sliding flange and clamping structure, locating the pump precisely to engage a rotational fitting on the pump shaft with a complementary fitting coupled to the prime mover.

Abstract: A filter and replacement filter cartridge is provided with a pulsation dampener mounted and sealed to the filter cartridge basket at an inner diameter thereof. The pulsation dampener is captive to the basket such that removal of the basket from the filter housing canister removes all of the basket, filter media, and pulsation dampener as a single unit without separate, loose parts thereof. An axial extension section of the basket facilitates gripping and removal, and maintains a fully seated installed filter position. Sealing is provided without a section of the pulsation dampener interposed between the filter housing canister and lid.

Abstract: A fluid concentrator includes a main housing and a cartridge removably engaged to the main housing. The main housing includes a first end portion having a first port and a second port, an oppositely disposed second end portion and a separation chamber that extends between the first and second end portions. The second end portion has an inlet port and defines a cartridge passage that extends through the second end portion. The separation chamber is in fluid communication with the inlet port. The cartridge includes a first axial end portion that is engaged with the first end portion and an oppositely disposed second axial end portion, a portion of the second axial end portion is disposed in the cartridge passage of the second end portion of the main housing. The cartridge is adapted to filter fluid from the separation chamber.

Abstract: A method of folding a filter bag 10 made from a nonwoven fabric or stiff media to facilitate installation within a filter retainer basket and a folded filter bag 10 arrangement.

Abstract: A filter system having a filter element ejection device is provided. Filter systems according to the present invention may include a filter element that includes an ejection receiver for receiving actuation action from an ejector of a filter housing. The ejector engages the ejection receiver when a user desires to eject the filter element from the filter housing. Typically, the ejector extends through the filter housing and axially ejects the filter element from the housing.

Abstract: A filter assembly wherein a housing seat (220) and a cartridge cap (330) are keyed to insure correct filter replacement procedures. The seat (220) can comprise a family of pedestals (270) and the end cap (330) can comprise a corresponding family of pedestal-insertion pockets (370). The correct filter cartridge can be easily installed (e.g., periodically replaced), by aligning the pockets (370) of the end cap (330) with the pedestals (270) in the housing seat (220), and inserting the pedestals (260) into the pockets (370).

Abstract: A demountable filtering device is mounted inside a food processor or coffee pot, and comprises a shell and a filter, wherein the filter is detachably mounted in the shell, and the filter has a handle for the user. The filter can be separated from the shell, so the filter can be demounted and be cleaned after use.