Abstract: A filter receptacle assembly is described including a filter receptacle having a receptacle wall and a circular edge defining an opening for receiving a filter cartridge and a first interlock device coupled to the receptacle wall of the filter receptacle, wherein the first interlock device comprises a first actuator moveable between a first position and a second position and biased into the first position, wherein at least a portion of the first actuator protrudes from the receptacle wall in the first position, wherein the first interlock device is configured so that when a filter cartridge is inserted into the filter receptacle, the first actuator is moved by the filter cartridge from the first position to the second position and is held in the second position by the filter cartridge.

Abstract: A filter device has a cup-shaped filter housing and a filter element disposed in the filter housing. A filter head is connectable to the filter housing and forms a cover for the filter housing. A spring element is provided that is acting on the filter element. The filter head has at least one first form-fit element. The filter housing has at least one second form-fit element for interacting with the at least one first form-fit element. The spring element is arranged such that the filter head and the filter housing for reaching a closed position, in which the at least one first form-fit element and the at least one second form-fit element engage each other, are movable relative to each other axially against the force of the spring element. The spring element clamps the filter element axially between filter head and filter housing in the closed position.

Abstract: A filter assembly for filtering a fluid. The filter assembly at least one filter in a housing, an inlet lid mounted over the filter housing and including an inlet for the inlet of fluid into the housing, and an outlet lid mounted over the filter housing and including an outlet for the outlet of fluid from the housing. The assembly also includes an inlet plunger adapted for sealing flow from the inlet when the inlet plunger is biased to a first sealing position, and an outlet plunger adapted for sealing flow to the outlet when the outlet plunger is biased to a first sealing position.

Abstract: The present invention relates to a water-filter device. This is distinguished by the provision of an adjusting medium (5) of which the volume and/or the structure change/changes by way of a liquid (6) which is in contact with the adjusting mechanism (1) and/or has flowed through the adjusting mechanism (1).

Abstract: The present invention relates generally to fluid filtration, such as, for example, filtration systems and methods, filtration units, pitchers, and components thereof.

Abstract: The invention relates to a fluid filter (1) comprising a collecting chamber (10) for a liquid which is separated from the fluid, in addition to a filter insert (4) which comprises a filter medium which is permeable to the fluid. The collecting chamber is arranged below the filter medium (5), and a liquid sensor (19) is arranged above the deepest point of the collecting chamber (10) and the liquid sensor (19) is protected from the liquid, at least sectionally, by means of a protective wall (18, 20). Said protective wall (18, 20) extends laterally and/or below the liquid sensor (19) and a liquid permeable connection is provided from the collecting chamber (10) to the fluid sensor (19).

Abstract: Various “no filter, no run” fuel filtration designs are described that include a variable restriction orifice (VRO) designed to vary the amount of fluid, for example fuel, that reaches a fluid outlet. The VRO has a fully open position at which a maximum non-zero fluid flow is permitted, and a fully closed position at which a limited amount of fluid can flow to the outlet. In the case of diesel fuel, the amount of fuel flow permitted at the fully closed position provides lubrication of downstream fuel system components, for example the fuel pump, but is insufficient to permit engine operation.

Abstract: An appliance includes a main body, and a door movably attached to the main body. The door includes a front, a back, a side surface extending from the front to the back, and a recess formed on the side surface. The appliance further includes a water filtration system including a filter that is disposed in the recess.

Abstract: An aspect of the present invention is generally directed toward an appliance that includes a water source inlet that receives intake water from a water source and a water outlet proximate a water dispensing location on a door of the appliance in fluid communication with one another via one or more water conduits spaced within the appliance. The appliance also includes a removable water filter and dispenser assembly configured to be removably engaged and disengaged with the water outlet of the appliance by hand without the use of tools. The removable water filter and dispenser assembly includes: (1) a housing that includes at least one water treatment media; and (2) a treated water dispensing outlet configured to deliver water treated by the at least one water treatment media for use or consumption.

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: Filter assemblies, filter modules, and filtration systems and methods.

Abstract: A draw latch retainer is used to secure a filter cartridge to a filter head. A cam actuated retainer extends from the head to engage a keeper in the top of the cartridge. Rotation of the cam draws the retainer and cartridge axially toward the head into an installed position. The retainer extends through an aperture in the upper portion of the cartridge to apply a retention force against the bottom side of the keeper. The keeper and upper portion of the cartridge supporting the keeper are configured to transmit the retaining force laterally across the top of the cartridge. The keeper may be integral with a top plate enclosing an open end of the cartridge housing, or may be supported by the top plate.

Abstract: A dialyzer mount arranged to support a plurality of differently sized and/or shaped dialyzer units and to accommodate different distances between dialysate connections on the dialyzer units. The dialyzer mount, which may be located on a front panel of the dialysis unit, may include a pair of flange portions that are each arranged to engage with a respective dialysate quick-connect fitting connected to a dialysate port of the dialyzer. Each flange portion may be arranged to engage with a groove on the quick connect fitting that is located between a portion of the base of the quick connect fitting and a slide element of the quick connect fitting. One flange portion may include an adjustable support that is moveable, e.g., in a vertical direction.

Abstract: A liquid filter with a replaceable filter insert and a housing having a raw liquid inlet, a central clean liquid outlet, and an eccentric liquid discharge channel. A standpipe extends above the liquid outlet and receives the insert. The insert has an eccentric closing pin. A first positioning arrangement is arranged on the clean liquid outlet and a lower end region of the standpipe so that, when the standpipe is plugged into the clean liquid outlet, the standpipe is guided into a particular position relative to the filter housing. A second positioning arrangement is arranged on the standpipe and the insert so that, when the insert is plugged onto the standpipe, it is guided into a particular position relative to the standpipe. The positioning arrangements are matched to one another so that the closing pin on the insert enters into engagement with the discharge channel in the filter housing.

Abstract: An apparatus for filtering water has an interface and a filtration/purification canister removably mountable thereon. Connecting the canister to the interface automatically opens a check valve in the interface to permit water to flow from the interface into and through the canister, and then back to and through the interface to an outlet port. Disconnecting the canister from the interface automatically closes the check valve, stopping the flow of water. An end cap may be substituted for the canister to permit fluid to flow through the interface when the canister is not mounted on the interface. The outlet port may be directly connected to an appliance that uses water, to eliminate possible contamination that may occur when water is brought indirectly form the outlet port to the appliance instead. A flapper valve is provided in the canister to prevent back flow of fluid from the inlet port of the canister when the canister is not mounted on the interface.

Abstract: A water filter assembly, and a refrigerator and a water purifier having the same, including: a manifold having a inflow path through which raw water flows in and an outflow path through which filtered water flows out; a case supporting the manifold; and a filter cartridge coupled to a lower side of the case such that it is separable and connected with the outflow port of the manifold, wherein a fluid flow control unit is installed between the manifold and the filter cartridge and rotates according to a rotation of the filter cartridge, the center of the rotation is the same as the center of an outlet of the filter cartridge, and the fluid flow control unit includes a disk having a connection hole allowing the raw water inflow path and an inlet of the filter cartridge to communicate only at a certain position.

Abstract: An apparatus includes a fluid filter canister that includes an internal seal disposed within an inlet recess to provide a seal between a flow of unfiltered fluid into the filter canister and the ambient environment.

Abstract: A gas compression system includes a compressor operable to discharge a mixed flow of gas and lubricant, a separator tank including an opening having a first face, and a separator element including a disk portion having a second face and a third face. The separator element is positioned at least partially within the opening and is operable to separate at least a portion of the lubricant from the mixed flow of gas and lubricant. A lid is coupled to the separator tank and includes a fourth face. A one-piece seal ring is coupled to the disk and is compressed between the lid, the disk, and the separator tank to define a first airtight seal between the first face and the second face and a second airtight seal between the third face and the fourth face.

Abstract: A filter cartridge is provided that is designed to actuate a valve that controls fluid flow into an outlet for discharging filtered fluid. The valve receives a ball at a first position which is axially movable between the first position and a second position. If a filter cartridge is not installed or an inappropriately designed filter cartridge is installed, the ball is moved from the first position to the second position to seal an outlet opening of the outlet. If the described filter cartridge is installed, the ball is retained at the first position by a holding member and the valve allows filtered fluid flow into the outlet opening.

Abstract: Coolant conditioning unit for coolant of an internal combustion engine. The unit includes a cup-shaped housing, a removable cover for closing the housing, a replaceable filter insert arranged in the housing and being detachably connected to the cover, an inlet, an anti-drain valve that is normally open during filtering, and a stop valve arranged in the inlet. The stop valve is held in an open position by the filter insert and closes when the filter insert is removed from the housing and closes before the cover has been completely separated from the housing. This abstract is not intended to define the invention disclosed in the specification, nor intended to limit the scope of the invention in any way.

Abstract: An aircraft potable water supply system allows unused water to be recovered for later use. The system prevents cross contamination of potable water, waste water and foul water, drains down the entire system upon aircraft shutdown and refills the system in preparation for a resumption of service.

Abstract: A liquid filter cartridge comprising an outer casing defining an inside volume containing a filter element that separates the inside volume into an upstream space and a downstream space, the casing having an end wall defining a liquid inlet passage communicating with the upstream space, and a liquid outlet passage communicating with the downstream space, the casing being adapted for mounting on a support that includes a liquid inlet channel designed to communicate with the inlet passage, a liquid outlet channel designed to communicate with the outlet passage, and a drain channel communicating with the inlet passage. The cartridge includes a closure member fastened to the end wall of the casing and adapted to close the drain channel when the cartridge is mounted on the support.

Abstract: A filter cartridge has a keyed end cap which is configured and shaped for unlocking an associated valve mechanism that comprises a latch device and a valve. In this manner, when the fuel filter cartridge is placed into a fuel filter housing having such a latch and valve mechanism, the fuel filter cartridge is operable therein to filter fluid and pass the fluid into a standpipe contained within the fuel filter housing. The fuel filter cartridge of this type generally includes pleated filter paper which is disposed between two opposed end caps. The keys may be provided along the bottom end cap.

Abstract: An embodiment includes a valve with a filter in which the flow of water through the valve is stopped by lowering a filter within the valve. This movement of the filter allows a poppet valve to close, stopping the flow of water. Subsequent raising of the filter holds the poppet valve in the open position, allowing the flow of water through the filter for further use. Embodiments are found in drinking fountains and facilitate the maintenance of the drinking fountain by allowing a technician to shut off the water using a screwdriver without requiring the removal of the fountain cover.

Abstract: Described are filter cartridges having an inlet opening and an outlet opening on the stem of the filter cartridges, which permit the permit the entry and exit, respectively, of a fluid in one or more radial directions perpendicular to the longitudinal axis of the stem. These filter cartridges are suitable for use in filtration systems that allow users to install the filter cartridges by a straight line push motion and remove the filter cartridges by a straight line pull motion.

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 element is removably positionable within a filter housing that includes a standpipe extending therewithin and provided with a flow control valve. The filter element comprises a tubular filter media, a first end cap, a second end cap longitudinally spaced from the first end cap, and a center tube extending between the first and second end caps. The center tube has a substantially cylindrical body extending between opposite first and second ends of the center tube. The center tube has at least one inlet opening formed on the cylindrical body and a standpipe opening at the second end thereof adjacent to the second end cap through which the standpipe may be inserted longitudinally into the center tube. The center tube further has at least one actuator key provided to open the flow control valve of the standpipe.

Abstract: An upper endcap of a fuel filter cartridge includes a skirt, an axially extending pin surrounded by the skirt, and a plurality of ribs that define fluid flow channels leading to the pin. The pin is extendable through an axially facing fuel inlet opening at the upper end of a standpipe for actuating a valve to an open position allowing fuel to flow through the axially facing inlet opening and into the standpipe. The valve can include a hole that receives the pin therein to help stabilize the valve when the valve is actuated open.

Abstract: A filter assembly comprises a filter housing (23) into which a filter element is insertable. A core element (38) is provided extending within the housing (23). The filter assembly comprises a coupling assembly (200) that is insertable into the housing (23), the coupling assembly (200) comprising a leaf spring (201) having a span larger than an internal diameter of the filter housing (23), such that when the leaf spring (201) is inserted into the filter housing (23) the outer edge of the leaf spring (201) engages an inner surface of the filter housing (23) and the leaf spring (201) bulges in the direction of insertion of the leaf spring into the housing, preventing removal of the leaf spring, in a direction opposite to the insertion direction, from the filter housing (23), the coupling assembly (200) comprising a connecting part for connecting the core element (38) to the coupling assembly (200).

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: Disclosed is a disposable filter capsule apparatus that incorporates integral quick connect components and check valves to facilitate assembly to, and dis-assembly from, larger assemblies and apparatus. The quick connect elements and valves are configured to eliminate the need for auxiliary sealing elements, e.g., o-rings and valve springs so as to prevent unwanted reactions with fluids and/or gases flowing through the capsules, and to further prevent the disposal of expensive re-usable elements in the disposable capsules.

Abstract: A filter arrangement is provided, as well as methods of assembly and use. Advantageous features, relating to a preferred filter cartridge and a preferred slide arrangement, are provided. A filter cartridge is provided that includes a plurality of projections spaced from one another around a central axis. Also, a liquid filter assembly arrangement is provided that includes a plate arrangement having a central liquid flow channel, the central liquid flow channel including a cartridge positioning projection arrangement therein, comprising at least one projection extending radially toward a central axis.

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 device having at least one filter element (37) that can be accommodated in a filter housing that has at least one connection unit (29) for forming a fluid connection to the filter element (37), wherein the connection unit (29) is provided for the feed of the fluid that is to be purified to the dirty side (41) of the filter element (37) and is a component of the element receiver with which the filter element (37) that is situated in the functioning position interacts is characterized in that, via the connection unit (29) as a component of the filter housing, or the parts that can be associated with the filter housing, the valve arrangement (61; 67, 69) or at least parts thereof are moveable in such a manner that, on shutdown of the filter device by removing the filter element (37) from the filter housing, the valve arrangement (61; 67, 69) comes into its closed position and on starting up the filter device by insertion of the filter element (37) into its functioning position within the filter housing,

Abstract: A drain mechanism includes: a cap that is attached detachably to a case of a fluid filter and formed with a drain hole, and includes an engaging projecting portion to which an engaging portion of a drain pipe inserted into the drain hole is engaged; and a valve member that is provided in the interior of the cap so as to close the drain hole and displaced in a direction for releasing closure of the drain hole upon contact with a tip end portion of the pipe inserted into the drain hole. The valve member is provided with a holding recess portion for holding the tip end portion of the pipe. A contact portion contacted by the tip end portion of the pipe is provided inside the holding recess portion of the valve member.

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 filter and filter element is provided that incorporates a valve member for preventing priming fluid from contaminating a clean fluid side of the filter or filter element. The filter may incorporate a replaceable filter element or be replaceable itself. The valve member is preferably formed as an annular flange of a grommet mounted to an end cap of the filter element. The annular flange sealingly engages with the end cap and closes a clean fluid outlet port in a relaxed state and opens the clean fluid outlet port in a deformed state.

Abstract: A liquid filter arrangement is provided, as well as methods of assembly and use. Advantageous features, relating to a preferred filter cartridge and a preferred slide arrangement, are provided.

Abstract: An apparatus for diverting rainwater includes a body having a top portion, a bottom portion, and a central portion. A diverter is disposed within the central portion, and has a lower portion and an upper portion. The lower portion of the diverter, together with one or more walls of the body, defines a containment configured to capture rainwater that enters through the top portion. An opening in at least one of the walls of the body is configured to divert rainwater from the containment. The body also includes a bypass flow area extending through the central portion adjacent to, and separate from, the containment, where the bypass flow area has a cross-sectional area that is substantially equal to or greater than a cross sectional area of the top and bottom portions.

Abstract: A water purifying system having a bypass path supplies raw water to an outlet when a filter assembly is separated from a valve assembly. The water purifying system includes a valve assembly having a valve cover with an inlet and an outlet, and a head member moved up and down within the valve cover to form an inflow path and an outflow path, and a filter assembly removably connected to the valve assembly and mounted with a filter. When the filter assembly is connected to the valve assembly through a linear motion, the filter assembly advances the head member so that a fluid flown in through the inlet is guided to the outlet passing through the filter. When the filter assembly is separated from the valve assembly, the head member is retreated so that the fluid flown through the inlet is guided to the outlet bypassing the filter.

Abstract: The present invention relates to a water filter device having a filter head with filter head components, a replaceable filter candle with filter candle components, and an encoding structure which is formed between a filter head component and a filter candle component. The water filter device is distinguished, in a first embodiment, in that an encoding structure is formed with axial orientation on an end face of the filter candle and/or on an element which is associated with such an end face of the filter candle. In a second embodiment, said water filter device is distinguished in that an encoding structure is formed separately from a fixing structure.

Abstract: There is provided a water purifying filter assembly module that a water purifying filter can be easily released from or assembled with. The water purifying filter assembly module may include: a filter assembly head having a water purifying filter assembled on one side thereof, the filter assembly head configured such that water to be filtered flows into the water purifying filter and the water, filtered through the water purifying filter, is discharged to an outside thereof; and a module body having the filter assembly head rotatably provided therein, the water purifying filter being released from or assembled on the filter assembly head as the water purifying filter is aligned and rotates with the filter assembly head.

Abstract: A water filter assembly, and a refrigerator and a water purifier having the same, including: a manifold having a inflow path through which raw water flows in and an outflow path through which filtered water flows out; a case supporting the manifold; and a filter cartridge coupled to a lower side of the case such that it is separable and connected with the outflow port of the manifold, wherein a fluid flow control unit is installed between the manifold and the filter cartridge and rotates according to a rotation of the filter cartridge, the center of the rotation is the same as the center of an outlet of the filter cartridge, and the fluid flow control unit includes a disk having a connection hole allowing the raw water inflow path and an inlet of the filter cartridge to communicate only at a certain position.

Abstract: In certain embodiments of the present disclosure, a water filter assembly for a refrigerator is described. The water filter assembly includes a door that includes a mover element for engaging a removable water filter such that in the closed position the mover element holds the removable water filter water inlet and water outlet in fluid communication with the water inlet and water outlet, respectively, of a manifold assembly, and in the open position the mover element allows for removal of the removable water filter which is not in fluid communication with the manifold assembly.

Abstract: The present disclosure provides a refrigerator having a cabinet including at least one access area having an open face and a grill door for selectively closing the open face of the access area. The refrigerator can also include a water using accessory provided on the cabinet. The grill door can be selectively retained to the cabinet wherein a manifold is fixed relative to the grill door and fluidly couples the water using accessory to a water supply. A water treatment cartridge can be removably coupled to a casing such that when the cartridge is coupled to the manifold, the cartridge treats the water from the water supply for use by the water using accessory. The manifold can be located on the grill door such that the mounting of the cartridge to the manifold moves the cartridge from within the access area to outside of the access area as the grill door moves from a closed position to an opened position, respectively.

Abstract: The present invention relates to a filtering device, which comprises a base plate (12) having a threaded center hole (122); a filter housing (11) having a cap-shaped body coupleable to the base plate; an anti-drainback valve (15) having a valve hole (151) defined in the center portion thereof arranged on the base plate (12), where the valve hole (151) correspondingly aligns with the threaded center hole (122) of the base plate (12); a filter assembly (14) having a filter hole (1411) abutting on the anti-drainback valve (15), where the filter hole (1411) aligns with the valve hole (151) of the anti-drainback valve (15); and a bypass valve (13) having a central plate portion (132) and a pair of extending wing portions (131) pressingly arranged between the inner surface of the filter housing and the filter assembly. The separately removable housing (11) provides easy assembly and enables simple filter media replacement.

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 fuel supply system including a filter removably securable within a filter housing mounted within a fuel tank and a pump removably securable within a pump housing mounted within the fuel tank and interconnected by a pipe. The filter housing includes an inner housing rotatably mounted within an outer housing. Alignable inlet openings and outlet passageways are formed in the inner and outer housings. A removable plug for closing an access opening to the inner housing includes lugs for engaging mating recesses in the inner housing such that rotation of the plug rotates the inner housing relative to the outer housing for rotating the inner housing between an aligned and misaligned orientation relative to the outer housing to control the flow of fluid through the filter housing.

Abstract: A cartridge for treating water capable of releasably engaging a water treatment device. The cartridge includes a housing, an inlet for introducing untreated water into the cartridge, an outlet port for egress of treated water from the cartridge, and a treatment media for treating untreated water that is in fluid communication with the inlet and the outlet port. The cartridge includes a first tube and a second tube, wherein each of the tubes comprise an inside surface, an outside surface, a proximal end, and a distal end, where the inside surface and/or the outside surface is a sealing surface. The first tube extends from the housing and surrounds the outlet port. At least a portion of the first tube or the second tube surrounds the other such that a gap is formed between the first tube and the second tube.

Abstract: A filter assembly for filtering water from an external source, the filter assembly having a manifold assembly and a filter cartridge. The filter cartridge includes a cartridge engagement means while the manifold includes a manifold engagement means. The cartridge engagement means and manifold engagement means cooperatively interfacing for removable attachment of the filter cartridge to the manifold assembly. The cartridge engagement means and manifold engagement means oriented in a retaining relation during removal of the cartridge filter from the manifold assembly such that any entrained pressure within the cartridge filter is vented while the cartridge engagement means and manifold engagement means are in the retaining relation.