Abstract: Dialysis systems comprising actuators that cooperate to perform dialysis functions and sensors that cooperate to monitor dialysis functions are disclosed. According to one aspect, such a hemodialysis system comprises a user interface model layer, a therapy layer, below the user interface model layer, and a machine layer below the therapy layer. The user interface model layer is configured to manage the state of a graphical user interface and receive inputs from a graphical user interface. The therapy layer is configured to run state machines that generate therapy commands based at least in part on the inputs from the graphical user interface. The machine layer is configured to provide commands for the actuators based on the therapy commands.

Abstract: There is provided an infusion set capable of significantly reducing a period of time required for work of a worker during infusion. The infusion set includes a drip chamber, a tube which is connected to an outlet of the drip chamber, a roller clip which is provided in the tube, and an M clamp which is provided between the drip chamber and the roller clip in the tube and is used for storing liquid in the drip chamber. The tube has a first tube which can be mounted to an infusion pump device, a second tube which is connected to the outlet of the drip chamber and an inlet of the first tube, and a third tube which is connected to an outlet of the first tube. The M clamp is provided in the second tube, and the roller clip is provided in the third tube.

Abstract: Systems and methods for monitoring a filter in, for example, an immersion cooled system are described. In one embodiment the application pertains to a process comprising employing a filter media to filter fluid wherein one or more electrical properties change depending upon pH of the filter fluid. The one or more electrical properties may be measured to monitor the filter. If desired, the filter media's electrical properties may be modified based on the configuration of the filter to facilitate the measurements.

Abstract: The present invention provides a system for enriching a flowing liquid with a dissolved gas inside a conduit. The system comprises two or more capillaries, each capillary delivering a stream of a gas-enriched liquid to the flowing liquid. The first ends of the capillaries are positioned to form an intersecting angle with respect to the effluent streams such that these streams of gas-enriched liquid collide with each other upon exit from the first ends of the capillaries, effecting localized convective mixing within the larger liquid conduit before these gas-enriched streams are able to come into close contact with the boundary surfaces of the conduit, whereby the gas-enriched liquid mixes with the flowing liquid to form a gas-enriched flowing liquid. In the preferred embodiment, no observable bubbles are formed in the gas-enriched flowing liquid. Methods of making and using such system are also provided.

Abstract: A filter assembly has an outer housing having an open first end and an open second end. An inner filter housing is within the outer housing adjacent the second end, and a gasket is provided at the first end of the outer housing. An internal chamber is provided between the first end of the outer housing and the inner filter housing, where during use, fluid from the within the internal chamber is drawn out the second end of the outer housing by way of the inner filter housing. A filter is provided within the inner filter housing. The gasket forms a gasketed opening smaller than the open first end of the outer housing. The gasket may extend axially adjacent a wall of the outer housing and abut the inner filter housing, such that the internal chamber is defined by the gasket and the inner filter housing.

Abstract: A powered or non-powered pool skimmer device can include a funnel assembly comprising a funnel having a wide opening and a narrow opening, and a funnel profile extending between the wide opening and the narrow opening, a funnel plate to allow the funnel to freely float or be manually adjusted to position the funnel just beneath the water surface, a filter assembly positioned below the funnel assembly, and a main body with no bottom, so water can flow freely into the swimming pool's main filter system, that fits into an existing skimmer in both height and diameter extending along an axis, which can be locked into the skimmer via a skimmer adapter ring, wherein the funnel assembly, the filter assembly, and the pump assembly are positioned within the main body and arranged along the axis.

Abstract: One aspect of the disclosure provides a filter element including a first end cap, a second end cap, a ring of filter media and an annular seal. The first end cap defines a cylindrical collar that circumscribes a first central opening and includes a substantially planar first outer surface that extends radially outward from the cylindrical collar to an outer peripheral edge. The second end cap defines a second central opening substantially coaxial with the first central opening. The ring of filter media is disposed between the first end cap and the second end cap, and circumscribes a central cavity in fluid communication with the first central opening and the second central opening. The annular seal is disposed upon the first outer surface of the first end cap and around the cylindrical collar. The annular seal extends axially way from the first outer surface.

Abstract: A filter insert (10) comprising: a body portion (12) and a closed-ended tube (14), an open end of which is sealingly affixed around the periphery of the body portion (12); an inlet aperture (16) and an outlet aperture (18) each aperture communicating via a through hole in the body portion (12) with the interior of the tube (14); a filter medium (20) located within the tube (14) and being sealingly interposed between the inlet aperture (16) and the outlet aperture (18), wherein the tube (14) is at least partially manufactured of a flexible plastics material, and wherein the body portion (12) is relatively rigid.

Abstract: A water filtration apparatus comprises a housing having a housing outlet and a housing inlet, the housing outlet configured to allow filtered water to exit therefrom, the housing inlet includes a valve stem, where the housing has latch arms disposed adjacent to the valve stem. At least one filter is disposed in the interior portion of the housing, and the at least one filter is in fluid communication with the housing outlet and the housing inlet. A valve assembly includes a valve body releasably coupled with the valve stem, where the valve body has a faucet interface component, and the valve body configured to fluidly couple with a faucet via the faucet interface component. The valve assembly has a valve body release coupled with the valve body, and the valve body release is slidable relative to the valve body and the one or more latch arms.

Abstract: Disclosed are a vapour-liquid filter mesh, a heat exchanger and an air conditioner. The vapour-liquid filter mesh includes a first area located in the middle and a second area located at the periphery of the first area, and the thickness of the second area is greater than the thickness of the first area.

Abstract: A system for monitoring fuel additives on board a vehicle includes a fuel line carrying fuel from a fuel source to an engine; a fuel additive sensor configured to measure concentration of additives in fuel at a point along the fuel line; a fuel additive dispenser connected in parallel to the fuel line; at least one flow control device for controlling an amount of flow from the fuel line into the fuel additive dispenser; and a controller configured to receive input from the fuel additive sensor and to control the flow control device to adjust the amount of the flow from the fuel line into the fuel additive dispenser.

Abstract: A breather including desiccant for humidity control includes an electronic end of life detection system. A temperature sensor and humidity sensor provide a temperature and humidity of the desiccant to a controller. The controller determines the relative humidity of the desiccant. The controller determines that the desiccant, and thus breather, has reached its end of life (i.e., end of useful life) when the relative humidity reaches a predetermined relative humidity (e.g., 40%). Optionally, a pressure sensor provides a pressure of the reservoir to the controller. The controller determines a fault condition or end of life condition of the breather when the pressure exceeds a predetermined pressure.

Abstract: A medical fluid control device with a fluid flow housing has at least one attachment port for attaching and removing an external medical fluid-guiding component and at least one connection port for connecting to a further functional component of the medical fluid conduction system, and with an adjustment member for controlling a flow of fluid relative to the at least one attachment port and/or the at least one connection port. A particulate filter with a pore width of between 2 ?m and 15 ?m is integrated in the attachment port.

Abstract: A pressure control device is provided and includes a body which has a groove-shaped flow path including a groove part and a widened part connected to the groove part and having a width larger than a width of the groove part, and a filter unit which captures foreign matters mixed in a fluid which passes through the groove-shaped flow path. The filter unit includes a frame body being in a cylindrical shape and including a through hole part which penetrates in a direction along a central axis, and at least one filter member being in a planar plate shape disposed to intercept the through hole part and supported inside the frame body, in which the filter unit is accommodated in the widened part so that a direction orthogonal to the central axis of the frame body is along a depth direction of the widened part.

Abstract: An improved flushing system accessory that comprises a connector and a lubricating-fluid vessel. The connector has a threaded first intake port connected to a water supply hose, and a second intake port coupled to a non-vented bottle containing lubricating fluid. The connector further includes a threaded outlet port sized for connection to a marine engine flushing accessory. The connector has an internal chamber to draw fluid from which is divided by a partition wall into a first passageway and a second passageway. The intake and outlet ports are in fluid communication with the interior chamber. Lubricating fluid supplied by the lubricating-fluid vessel, and water supplied by a water supply hose, enter through a first and second intake port, respectively. They then pass through the connector outlet port and into an attached marine engine flushing accessory.

Abstract: A skimmer door device configured to be positioned in front of an aperture of pool skimmer of a pool can include a frame configured to be secured to the pool skimmer in front of the aperture of the pool, the frame comprising a rear plate and two lateral tracks, one of the two lateral tracks positioned on each side of the rear plate, a door slidably received within the lateral tracks and configured to move up and down within the two lateral tracks to cover the aperture of the pool skimmer, and a float attached to the door, the float configured to float on a surface of water within the pool to adjust the position of the door.

Abstract: A powered pool skimmer device can include a funnel assembly comprising a the funnel having a wide opening and a narrow opening, and a funnel profile extending between the wide opening and the narrow opening, a filter assembly positioned below the funnel assembly, a pump assembly positioned below the filter assembly, the pump assembly including a pump configured to draw water through the funnel assembly and filter assembly and exhaust it through an exhaust, and a main body extending along an axis, wherein the funnel assembly, the filter assembly, and the pump assembly are positioned within the main body and arranged along the axis.

Abstract: A pool skimmer device includes a mounting plate configured to attached to a pool skimmer basket, an extension body extending from the mounting plate to a distal end, and a funnel positioned at the distal end of the extension body, the funnel comprising a wide opening positioned at the distal end of the extension body and a narrow opening, and a funnel profile extending between the wide opening and the narrow opening.

Abstract: An aerator device, a filter system including an aerator device, and a method of aerating a filter using an aerator device. An aerator device includes a housing having an interior cavity; a first plate in the interior cavity and defining a first cavity portion and a second cavity portion thereof, the first plate being spaced apart from a top wall of the housing to define a first opening through which the first cavity portion and the second cavity portion are in communication; and a second plate defining a first chamber and a second chamber of the second cavity portion, the first chamber and the second chamber being in communication with each other below a lower end of the second plate, the housing having an inlet opening in communication with the first cavity portion, and an outlet opening through the top wall and in communication with the second chamber.

Abstract: Provided is an accelerated method for preparing platelet rich plasma (PrP) without centrifugation or filtration. The method comprises contacting a sample of whole blood with an anti-coagulant and an inducer of Rouleaux formation; allowing the mixture to stand thereby depleting the sample of RBCs, and collecting the platelet-rich plasma fraction. The PrP volume obtained by the present method is about 10-60% of the volume of the starting whole blood sample, and contains less than 200,000 RBCs and at least 100,000 platelets per microliter.

Abstract: An apparatus for filtering water includes a tubular housing defining a housing interior for holding a filter cartridge that radially divides the housing interior into a feed zone and a filtrate zone. The housing interior extends vertically from a bottom end to an upper end defining an upper end opening that is sized to allow the filter cartridge to be inserted into and removed from the housing interior. A lid is removably attached in sealing relationship to the housing top end to prevent water flow out of the housing interior via the housing top end opening. A distributor, attached in sealing relationship to the housing bottom end, has an inflow passage for directing water flow into the feed zone of the housing interior, and an outflow passage for directing water flow out of the filtrate zone of the housing interior, and into a tank storing a granular filtration medium.

Abstract: A dialysis device comprising a prescriber interface and a programming means configured to allow, via the prescriber interface, input of a set of therapeutic objectives and a treatment plan and a re-evaluation means configured to, as a function of the therapeutic objectives and the treatment plan, suggest at least one treatment option comprising a set of settings of a treatment session to achieve said set of therapeutic objectives.

Abstract: The invention relates to a cage system (15) for housing experimental animals which are to experience an environment different from that of a surrounding space (19). The cage system (15) comprises a climate control unit having a vaporizer (1) for generation of water into vapour. The vaporizer (1) comprises a vaporization chamber (4), and water is fed to the vaporization chamber (4) via a liquid supply tube (3). A surface tension breaking device (8) having an open structure is provided at the end (9) of the liquid supply tube (3) so that the water passes therethrough when flowing from the liquid supply tube (3) and into the vaporization chamber (4). Hereby water can be supplied to the vaporization chamber (4) without any significant formation of droplets in the vaporization chamber (4). The vaporizer (1) is used to supply a controllable and uniform flow of vapour to the cages (16) so that a desired humidity can be maintained.

Abstract: An aquatic jet propulsion device basically includes a portable main control module, a first submersible propulsion unit and a first sub-two-way communication device. The portable main control module includes a main controller and a main two-way communication device. The first submersible propulsion unit includes a first motor, a first battery electrically connected to the first motor and a first motor controller operatively connected to the first motor to control a speed of the first motor. The first sub-two-way communication device is configured to communicate with the main two-way communication device. The main controller is programmed to output a first control signal to control the speed of the first motor of the first submersible propulsion unit via the first motor controller based on a first feedback signal containing first propulsion unit data that is received from the first sub-two-way communication device.

Abstract: A method and an apparatus are presented for monitoring a concentration of a specific halogen in a body of water such as a spa or bathing unit for example. The apparatus comprises a housing in which is positioned an optical absorption analyzer for making first and second measurement of transmission of ultraviolet light from a light source emitting light at a specific wavelength. The second and first measurements are taken respectively before and after the ultraviolet light has travelled through a sample of water and are used to derive a concentration of the specific halogen. The derived concentration may then be communicated to a user using a display device and/or may be used to control operational components of a bathing unit for adjusting the concentration of halogen in the water.

Abstract: A fluid transport system for an automated slide treatment apparatus having slide treatment modules is disclosed. The fluid transport system including a fluid dispensing robot configured by a controller to dispense a plurality of reagents to slides received in the slide treatment modules. The fluid dispensing robot includes pumping means configured by the controller to pump the reagents to be dispensed from a plurality of corresponding reagent containers; a probe having a body arranged to store one or more of the reagents pumped via the pumping means so as to prime the probe with said one or more of the reagents to be dispensed; and a well disposed on the body of the probe to store further of the reagents primed to be dispensed.

Abstract: The invention relates to a process and a device for enriching water, in particular drinking water, with magnesium ions. In order to enable enrichment of water with magnesium ions in exchange for calcium ions and/or heavy metal ions during treatment of water, and in particular of drinking water, it is proposed according to the invention to pass the water through an ion exchanger which contains a weakly acidic ion exchange material, wherein at least a part of its ion exchange capacity is loaded with magnesium ions.

Abstract: A centrifuge force microscope module for use within a bucket of a centrifuge in measuring a characteristic of a sample under a centrifugal force and/or in monitoring a sample under a centrifugal force. The centrifuge force microscope module includes an electronics module and an optical module. The electronics module includes a housing removably disposable in the bucket of the centrifuge, and at least one of a power source and a connector operably connectable to a power source for powering the electronics module. The optical module is operable to receive and direct light from the sample. The optical module is releaseably connectable to the housing of the electronics module.

Abstract: A filter is provided comprising a filter media element enclosed by an impermeable bag with inlet and outlet ports provided for flow into and out of the bag and through the filter media element contained in the bag. The bag may be constructed of a sheet of plastic material of multiple layers. The filter element may be a stack of filter media disks for depth filtration and adsorption. The filter provides for cleanly change out, with unfiltered fluid being contained in the bag on the upstream side of the filter element within the bag.

Abstract: In an extracorporeal blood treatment apparatus, a user interface (22) has a touch screen for displaying two bar-graphs (24) of pressures in the extracorporeal blood circuit. By touching a bar-graph three alpha-numeric values appear: a reference value (29), an upper safety interval (28) of the pressure, comprised between an upper limit value and the reference valve (29), and a lower interval value (30), comprised between the reference value and a lower limit value. The reference value is a measured pressure value. Four buttons also appear on the display for input of modifications to the upper interval and the lower interval. The setting of the total pressure safety interval is simple and immediate.

Abstract: A method of treating water to reduce pollutants comprises mixing an adsorbent reagent with the water to form a water-adsorbant reagent mixture. Thereafter, subjecting the mixture to a liquid-solids separation process that produces treated water and sludge. The method further includes contacting the water or treated water with a living aquatic organism wherein the value of at least one property of the organism is correlated to the concentration of pollutants in the water. This value is evaluated and the method entails adjusting the quantity of adsorbent reagent mixed with the water as a function of the value of the property.

Abstract: Water purification system comprising filtration media sized with respect to each other to allow a first contaminant in the water to saturate the first medium with a delay prior to saturation of the second medium with a second contaminant.

Abstract: A device for staining suspended cells composed of a cannula (1), a pushrod (2), a plunger sealing pad (3), and a capture membrane (4), wherein the plunger sealing pad (3) is located at an upper part within the cavity of the cannula (1), the capture membrane (4) is located at a lower part within the cavity of the cannula (1), and an opening (5) above the membrane and an opening (6) below the membrane are formed on the wall of the cannula (1) respectively. The device is for use in staining suspended cells, is capable of effectively overcoming the drawbacks in current existing methods for staining cells, such as high failure rates, low accuracy and repeatability, and being very time-consuming, etc., and has advantages such as high success rates, good accuracy and repeatability, and not being time-consuming, etc.

Abstract: A flush pump feature on a liquid purifying filter includes a segment of flexible tubing containing a small bulb pump is described. Two check valves are positioned upstream and downstream of the bulb pump which then terminates with a simple manually operated open/closed valve. The addition of this flush pump feature enables the filter unit to be easily purged of air at first use and also will make the filter easier to clean and maintain without the need to remove it from a hydration carrier. In addition, the flush bulb feature can also be used to perform a simple visual integrity test of filter while out in a remote location and also can be used to effectively remove bulk water from the filter for lighter storage when not in use which also minimizes freeze related damage when used in a cold environment.

Abstract: A water filter including a housing, at least one cylindrical filter component disposed within the housing, an inflow pipe extending through, and parallel to a longitudinal axis of, the at least one cylindrical filter component, the inflow pipe including a series of openings arranged along the length of the inflow pipe so as to cause a cyclonic motion of the contaminated water out of the inflow pipe and into contact with the at least one cylindrical filter component, a first outflow pipe that delivers filtered water from the at least one cylindrical filter component, and a second outflow pipe that delivers contaminants from the at least one cylindrical filter component.

Abstract: Nozzle device and nozzle for atomisation and/or filtration as well as methods for using the same. The present invention relates to a nozzle and nozzle device for atomisation, in particular a micro-machined reinforced nozzle plate, that may produce small liquid droplets in air (spray) or into a liquid (emulsion) with a narrow droplet size distribution and to make small air bubbles into a liquid (foam) and to methods of making the same. The invention is further related to a nozzle part for filtration as well as means and methods to facilitate atomisation and filtration.

Abstract: An auxiliary grey water supply device captures used wash water from a commercial warewashing machine for supply to a pre-rinse station without substantial modification of the commercial warewashing machine. The captured wash water is delivered to a pre-rinse station for pre-rinsing of dishes that will be washed within the commercial warewashing machine.

Abstract: In a water treatment system, fouling is made earlier detectable, considering additionally the effect of spacers arranged between its separating membrane layers. A water treatment system 1 includes a pre-treating unit for pre-treating a raw water; a desalting unit having a separating membrane unit for separating substance to be separated from the raw water pre-treated in the pre-treating unit, using a separating membrane; and a monitoring unit between the pre-treating unit and the desalting unit. The monitoring unit has a monitor device fitted to a bypass pipe and configured to have a closed vessel having at least one transparent or semitransparent surface, and an image-pickup device which makes the raw water flowing in this vessel visible through the transparent or semitransparent surface. In the vessel, separating membrane layers which the separating membrane unit has, and a fouling-generating member are arranged to be put onto each other.

Abstract: A spout that dispenses water from a water dispenser has a disinfection portion that provides two passes of the water therethrough. The disinfection portion has two flow tubes, the second arranged inside the first, so that an annular cross-section flow path is defined by an inside wall of first tube and an outside wall of the second tube. A second flow path having a circular cross-section is defined by an inside wall of the second tube. The water flow is transferred between the flow at a second end of the disinfection portion by a second end portion. At a first end portion, located at a first end of the disinfection portion, a first end portion body provides connections to the disinfection section for both an inlet and an outlet. The order of flow through the disinfection portion flow paths may depend upon the orientation of the spout.

Abstract: A method and apparatus for operating on skimmed oil/water picked up from a body of water to separate the oil from the water and discharge the oil-free water back into the body of water, first feeds the skimmed oil/water into a gravity settling tank wherein the oil tends to settle above the water, removing relatively oil-free water from the bottom of the tank and measuring its oil content with an oil concentration sensor, and either returning the oil/water flow to the settling tank for further processing if the measured concentration of oil exceeds predetermined limits or discharging the water back into the body of water if the oil concentration is measured to be less than the predetermined value.

Abstract: A comparator for use in improving the water quality of a body of water, such as a swimming pool, pond, aquarium, spa, hot tub, or other body of water, is disclosed. The comparator is adapted for comparing one or more results, whereby the or each result corresponds to a measured parameter indicative of water quality. The comparator may be further adapted to indicate a quantitative dosage of a water treating agent required to improve the quality of the water, responsive to one or more of the measured parameter(s). The comparator comprises at least one movable portion which, when moved to the result of the parameter measured, indicates the quantitative dosage of water treating agent to be used. The quantitative dosage may be indicated in a number of ways, such as by weight or volume, or by some other form of discrete measurement (such as a bag, bottle, sachet, tablet, etc).

Abstract: Apparatus and methods for the extracorporeal treatment of blood are described. The apparatus includes a dialyzer which is separated into a first and second chamber by a semipermeable membrane, wherein the first chamber is disposed in a dialysis fluid path and the second chamber can be connected to the blood circulation of a patient by way of a blood inflow conduit and a blood outflow conduit, a feed for fresh dialysis fluid, a discharge for spent dialysis fluid, a measuring device disposed within the discharge for determining the absorption of the spent dialysis fluid flowing through the discharge, wherein the measuring device has at least one radiation source for substantially monochromatic electromagnetic radiation, and a detector system for detecting the intensity of the electromagnetic radiation, wherein means are provided to compensate for changes that occur in the intensity of the electromagnetic radiation of the radiation source and/or the sensitivity of the detector system.

Abstract: Provided are filtration devices for purifying fluids from bioprocess applications and processes for using the same. The fluid filter elements or cells and fluid filter assemblies or capsules minimize upstream and residual volumes by the use of substantially flat interior surfaces. Desired pressure ratings are also met without the use of external equipment. Such capsules and assemblies can be disposable. The cells and capsules are in particular suitable for intermediate filtration volumes (150-2500 cm2 effective filtration area (EFA)) of biopharmaceutical processes. One or more of the following features are also provided by these cells and capsules: ergonomic connections, stand alone device with desired pressure rating, offer a small footprint when running in series or parallel, ability to monitor fluid level during operation, provide various EFA sizes to allow for use with minimal fluid volumes, and offer an integral seal between clean and dirty process fluid streams.

Abstract: A water purifying apparatus, comprises: a filtering unit for filtering water supplied from a wellhead into purified water; a water tank unit including a cold water tank for storing the purified water in a cold water state, and a hot water tank for storing the purified water in a hot water state; a discharging unit for selectively discharging out the purified water stored in the water tank unit; a state detecting unit for detecting an operation state of at least one of the filtering unit, the water tank unit, and the discharging unit; a controller for comparing the information detected by the state detecting unit with a preset reference, thereby judging an abnormal state of the water purifying apparatus; and a state displaying unit for displaying the abnormal state information to outside. When the water purifying apparatus has a breakdown, mal-operated components of the water purifying apparatus may be checked by being displayed on the state displaying unit, without being checked by an A/S specialist.

Abstract: A system for converting urine into potable water for drinking and use in a hand washing station (165) comprises a commode (100), a three-way valve (110) at the outlet of the commode, a urine reactants tank (145), a storage container (160), a pump (170), and a spigot (175). A user turns an actuator (111) on the valve in one direction to direct feces and feces-plus-urine into a reactants tank for feces, and in another direction to direct urine into the urine reactants tank. The urine reactants tank contains a plurality of baffles (210) separating the tank into chambers. A first chamber contains algae and microorganisms supplied by a seed (150). These organisms absorb nutrients from the urine as they grow into a mass (152). A last chamber contains only purified water which flows from the tank into the storage container from which it can be pumped to the spigot.

Abstract: Some demonstrative embodiments of the invention include a system and a method for disinfection of a liquid including monitoring the disinfection process. The system may include a conduit to carry flowing liquid to be disinfected, wherein the conduit comprises an inlet to receive the liquid, an outlet to discharge the liquid and walls transparent to ultraviolet radiations; an illumination source located within a transparent sleeve, wherein the transparent sleeve is immersed in the flowing liquid and the illumination source is to disinfect the liquid when passing through the conduit, a first light detector located externally to the conduit to detect light emitted by the illumination source and a second light detector located externally to the conduit to detect light emitted by the illumination source.

Abstract: A water distribution system configured for control by a remote control system is disclosed comprising of a water filtration unit for filtering water and a water storage unit for storing the filtered water and including a water dispenser. A control unit is provided that is configured to control the operation of the water filtration unit and includes a sensor system to measure the quality and the quantity of the water filtered, and to monitor the functioning of one or more components of the water filtration unit. A point of sale device is also provided comprising of a service management device mounted on the water dispenser and is configured to control the operation of the water dispenser and a user interface to receive user inputs and is configured to process user payments for the dispensing of water at the remote control system.

Abstract: A portable water filtration bottle includes a main unit having a containing space. The main unit is provided orderly from an water inlet to a water outlet with a first cover unit covering the water inlet; a filtration tank which contains a filter and is at a side of the containing space, with the filtration tank being connected with a non-return device at a side close to the containing space; a bactericidal lamp tube device which is at another side of the containing space; and a second cover unit covering the water outlet. Accordingly, water entering from the water inlet is filtered and then flows into the containing space under a control of a check valve. Next, water is sterilized by the bactericidal lamp tube device. Therefore, users are able to drink clean water at all times and hygiene of drinking water can be improved.

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: Embodiments of a filter device for use in fuel dispensing systems can comprise an inspection element that permits visual observation of fuel that flows inside of the system. The filter device can include a body with a wall that forms a filter chamber. The wall can have one or more apertures that couple with a fuel inlet and a fuel outlet to allow fuel to flow into and about the filter chamber. In one embodiment, the body includes a boss member with a bore that penetrates the wall to expose the filter chamber. The inspection element includes an optical element that fits within the bore and a retaining element that secures to the boss member to retain the optical element therein.