Abstract: Herein are disclosed apparatus and methods that can be used to receive a volume of potable water from a source and to treat the volume of water so as to improve the perceived or actual aesthetic quality of the water, and to thereafter contain the treated water such that it can be used or consumed. In general, the apparatus comprises a container capable of receiving a volume of water, and a capture element within the container that is capable of removing at least a portion of such substances in the water as may be perceived as impacting water quality. The capture element comprises sorbent media that is capable of removing at least some portion of such undesirable substances, and that may comprise, for example, activated carbon and the like.

Abstract: A canteen including a reservoir for containing unfiltered water; a filter; a spout; and a pump for pumping water from the reservoir, through the filter, and then out the spout as filtered water.

Abstract: The invention substantially relates to the distillery industry. Said invention is characterized in that each portion of vodka poured from a bottle into a drinking vessel is treated and purified prior to the consumption thereof by a consumer by pushing it out from the bottle at an optimal rate through a primary filter material, a sorbing agent or a mixture thereof and a secondary filter material, which are placed inside a bottle neck or at the exit therefrom, by means of a specified positive air pressure formed inside the bottle, when necessary, with the aid of a compressed gas cylinder arranged outside the bottle.

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: Herein are disclosed apparatus and methods that can be used to receive a volume of potable water from a source and to treat the volume of water so as to improve the perceived or actual aesthetic quality of the water, and to thereafter contain the treated water such that it can be used or consumed. In general, the apparatus comprises a container capable of receiving a volume of water, and a capture element within the container that is capable of removing at least a portion of such substances in the water as may be perceived as impacting water quality. The capture element comprises sorbent media that is capable of removing at least some portion of such undesirable substances, and that may comprise, for example, activated carbon and the like.

Abstract: The present invention relates to an integrated portable water purifier for purifying water, by filtration through adsorption media to remove harmful chemicals followed by ultraviolet treatment to disinfect the water. The water purifier effectively removes the contaminants found in drinking water. The integrated portable water purifier includes a water chamber (1) for receiving water to be purified and a treated water chamber (2) for receiving treated water through a filter cartridge (20). The water purifier is provided with a microprocessor based controller (6) for controlling the operation of the purification system. A UV lamp (8) is provided in the treated water chamber (2) for microbiological treatment of the filtered water in the treated water chamber (2) and a sensor (7) for sensing the conductivity of the treated water and the level of the water in the treated water chamber (2). A power source (18) is provided for supplying power to the system.

Abstract: The invention relates to a dispensing device for a liquid medium, having a medium reservoir for accommodating the medium, having a dispensing opening for dispensing the medium from the medium reservoir, and having a pressure-equalizing channel which opens out into the medium reservoir and has a microbiologically active filter arrangement inserted therein. According to the invention, the filter arrangement has a liquid filter oriented in the direction of the medium reservoir and a bacteria filter oriented away from the medium reservoir.

Abstract: A filter assembly is provided. Embodiments of the filter assembly allow for the continuous filtering of the frying oil, while the fryer is on-line. The filter assembly may include a dirty chamber, a clean chamber, a pump configured to suck the frying oil through the chambers, and a toggle clamp configured to move the filter assembly between a closed configuration and an opened configuration. In the opened configuration, the filter assembly is configured to seal a filter media portion between the two chambers. The pump is configured to suck oil into the dirty chamber and through the filter media and into the clean chamber in order to filter dirt from the oil. In the opened configuration, the filter assembly is configured to allow the removal of now dirty filter media portion from between the chambers and the insertion of a new clean filter media portion.

Abstract: A micro fluidic system comprising at least one tube (1), a membrane (3) and at least one fitting member (4). The fitting member (4) is positioned around the membrane (3) and an end part (2) of the tube(s) (1), thereby fitting the membrane (3) to the end part(s) (2). The fitting member(s) (4) is/are made from a shrinkable material, and it/they is/are fitted tightly around the membrane (3) end part(s) (2). This is obtained by causing the shrinkable material to shrink, e.g. by heating the material, while the fitting member (4) is positioned around the membrane (3) and the end part(s) (2). It is an advantage that the fitting member (4) is made from a shrinkable material because this provides the possibility of fitting the membrane (3) tightly to the end parts) (2) in an easy and cost effective manner. The micro fluidic system is very suitable for use in a probe, such as a dialysis probe. Also claimed is a method of manufacturing the micro fluidic system.

Abstract: A portable water purification device includes a base, a fixed sleeve, a tube, a filtering unit, and a movable sleeve. The base includes a channel for providing filtered liquid. The fixed sleeve is fixed on the base and includes a first peripheral wall and a first axial hole. The tube on where the filtering unit is mounted is secured on the base and held in the first axial hole to define a penetrated hole communicating with the channel. The movable sleeve is mounted on an external surface of the fixed sleeve, and slid between a first position away from the base and a second position adjacent to the base. The movable sleeve includes a second peripheral wall and a second axial hole whereby the first axial hole communicates with the second axial hole to define a containing room when the movable sleeve is located on the first position.

Abstract: The fuel sampler/strainer assembly includes a housing formed of fuel resistant material including a transparent elongated main body, a fuel receiving portion at an upper end thereof, and a fuel exiting portion also at the upper end thereof. The elongated main body has a closed lower end. The fuel receiving portion is generally tubular and has spaced-apart indentations in its upper end edge for alignment and cooperation with associated actuating arms of a pet cock drain valve. A rod is removably attachable at a first end to the fuel receiving portion and extends along a central axis of the fuel receiving portion and beyond the upper end edge of the fuel receiving portion so as to engage and manipulate a ball and spring drain valve at a second end of the rod. The fuel exiting portion includes a filter screen functioning as a barrier to water and desired particulate debris.

Abstract: A lightweight, portable, water purification device can be used to recover potable water from any water source. The manually operated device, requires no external power, is very lightweight, and removes salt and other impurities from source water while also disinfecting it. A symmetrical reverse osmosis (RO) membrane coupled with a pre-filter is used to remove salt and impurities from the raw water. Metal biocides are integratable to disinfect the permeate, improve wet storage and to significantly reduce biofouling within the RO membrane.

Abstract: The present disclosure concerns a fuel filter assembly that can be easily installed on a portable fuel container, such as a race fuel jug or utility jug. The assembly includes a fuel filter positioned in the fuel container to filter fuel that is being poured or otherwise discharged from the container. The fuel filter desirably is selected to filter dirt and other particulate matter that can clog the carburetor or cause damage to other engine parts.

Abstract: A pumping apparatus for pumping a liquid from a source to a target including a motor, a first pump driven by the motor, a second pump driven by the motor and a separator in fluid communication with the first and second pump for separating a liquid received from a source into a gaseous component and a liquid component. The separator further diverts the gaseous component to the first pump and the liquid component to the second pump, wherein the first pump pumps the gaseous component back to the source and the second pump pumps the liquid component to a target.

Abstract: To provide a waste recovery station for a beach cleaner which is less liable to be bulky after being divided and can facilitate installing work, and which can easily load and unload a beach cleaner and a waste recovery station on and from a trailer. A waste recovery station includes a pair of left and right grounded members, guide members formed like a mountain as viewed from the side and attached to the grounded members, and bar-like connecting members integrally connecting the grounded members. The waste recovery station can recover the waste collected by the beach cleaner towed by the towing vehicle to run on the sand area by allowing the beach cleaner to ride on the waste recovery station. The waste recovery station includes a connecting pipe which removably connect an end of the connecting member to the grounded member.

Abstract: The present invention discloses an electric jar pot with ozone disinfection function. The device includes a jar pot with an ozone generator and an ozone conveying device. By the power source connected with the device, the ozone generator produce the ozone gas while the device boils water. Through the ozone conveying device, the ozone gas is delivered to the bottom of the jar pot and is released, dissolved in water to form ozone water. Thus the germs inside the water are eliminated, the water is sterilized and purified.

Abstract: A portable battery-powered ozone generator, or ozonator, contained in a waterproof housing with an air intake and an ozone discharge conduit diffuses ozone directly into a body of water in a pool, pond or tank. The ozone generator and housing can be part of (1) a buoyant floating platform that is also equipped with solar power collector panels to provide a recharging current for the battery; (2) a robotic, self-propelled pool cleaner; or (3) a skimmer filter assembly that can include a solar panel under a solar transmissive cover that is flush mounted in the walk area alongside the pool.

Abstract: A manually operated water purifying device which includes a manually moveable operating member that pumps unpurified water into a conduit where it is exposed to purification by an electrically operated UV-C lamp and then dispensed from a portable container, and the UV-C lamp is energized by an electric generator that is also driven by a manually moveable operating member.

Abstract: The present invention is directed to an electrolytic cell that is completely sealed during the electrolysis operation during production of oxidant. Gasses generated within the electrolysis operation, primarily hydrogen that is liberated at the cathode surface, increase the pressure within the cell, and the gas pressure is ultimately utilized to expel the oxidant from the cell chamber.

Abstract: A portable drinking device is provided that can be filled with municipal type water, and which will remove impurities (e.g. chlorine) from that water. The portable drinking device is designed so that a person can carry around a single drinking device, fill that drinking device with type water (e.g. from a faucet), and yet have a portable water source more suitable to that person's water quality preferences. The portable drinking device has an integrally contained filtration component, designed for filtering water that is drawn or otherwise delivered from the device through a drinking tube or other delivery mechanism, and in a way designed to ensure that all water obtained from the device is passed through the filtration component to remove the desired impurities.

Abstract: A new and useful approach to cleaning raw water or other raw liquid is provided. A metered amount of stabilized hydrogen peroxide is added to the raw water or other liquid, to clean the raw water or other liquid. In one particularly useful embodiment of the present invention, a portable drinking device is designed so that a metered amount of stabilized hydrogen peroxide can be added to a portable container of liquid, to clean raw water or other liquid in the portable container. Thus, a hiker, military person, or other person who may have to depend on his/her environment for sustenance, and who may not have an available water source other than raw water, has a simple and efficient way of using virtually any available body of raw water as a source, and cleaning the raw water, to provide the person with a portable source of clean water.

Abstract: A drinking water filter assembly has a filter cartridge which includes a filter element contained in a pressure vessel for unitary disposal, the cartridge received on a base containing attachment fittings for ease in installation and replacement with limited exposure to contaminants during a filter change. A flow powered flow meter is provided which measures the quantity of flow through the filter for alerting the user to replace the filter cartridge.

Abstract: A portable drinking device is provided that can be filled with municipal type water, and which will remove impurities (e.g. chlorine) from that water. The portable drinking device is designed so that a person can carry around a single drinking device, fill that drinking device with type water (e.g. from a faucet), and yet have a portable water source more suitable to that person's water quality preferences. The portable drinking device has an integrally contained filtration component, designed for filtering water that is drawn or otherwise delivered from the device through a drinking tube or other delivery mechanism, and in a way designed to ensure that all water obtained from the device is passed through the filtration component to remove the desired impurities.

Abstract: A portable container is disclosed, provided a means for the purification of a fluid by ultraviolet radiation. The container houses the liquid and mates with the ultraviolet light source, which is powered by a battery attached thereto. Additionally, an ultraviolet light sensor is provided to shut off the ultraviolet light and notify the user when the water has received an adequate dose of ultraviolet radiation.

Abstract: A portable oxidant generator for generating a chlorine or chlor-oxygen solution suitable for sterilizing contaminated drinking water, thereby providing a water disinfection system and potable water. The oxidant generator includes an electrolytic chamber and a power supply or source. The chamber holds a salt brine solution such that the solution is in contact with an anode and cathode included in the chamber. The power supply provides electrical charge that is passed between the anode and cathode through the salt brine solution. In the preferred embodiment of the present invention, a combination manual pump/switch is activated and injects electrolyte into the cell chamber and electrolyzes the solution. In one embodiment, as electrolysis proceeds, hydrogen gas is liberated and causes a gas pressure within the cell chamber thereby forcing the freshly generated oxidant solution from the cell.

Abstract: The present invention discloses a personal water purification system providing a watertight polymeric container 12 having a removable, threaded unfiltered water fill cap 18 that provides access through port 28 to an upper unfiltered water receiving chamber 20. At the lowest integral portion 24 of the receiving chamber 20, a threaded port 30 is provided for the attachment of a disposable filter cartridge 26 that is vertically threaded into the port 30. This allows for gravity induced filtering through cartridge 26 as opposed to pressure induced filtering. A plurality of filtered water ports 32 are also located in the lower integral portion of the unfiltered water chamber 20, one or more opposite the other and/or juxtapositioned, which allow filtered water to be dispensed from the lower filtered water chamber 16 to a drinking spout 22 provided at the top most portion of the container and to flow by gravity through a plurality of channels/conduits 34 when the container is tipped to its side.

Abstract: A system for separating particles from fluid which includes a receptacle for containing the fluid, a lid for covering the receptacle, and a filter assembly which includes a filter component shaped to fit the receptacle, an o-ring encircling the perimeter of the filter component for securing the filter assembly in the receptacle, and at least two baffles attached to the bottom of the filter component for reducing the motion of the fluid around and through the filter assembly.

Abstract: A universal collection and transfer system which includes a collection container, a second container, and a transfer device mateable with both the collection container and the second container and including a hollow shaft which pierces the collection container to transfer a sample in the collection container into the second container.

Abstract: A portable oxidant generator for generating oxidants suitable for sterilizing contaminated drinking water, thereby providing potable water. The oxidant generator optionally comprises an electrolytic cell and a power supply or source for powering the generator. In a preferred embodiment, the cell holds an electrolyte solution such that the solution contacts an anode and a cathode. The power supply provides electrical charge that is passed to the electrolyte solution and/or other electrolyte substance. In a preferred embodiment of the present invention, the power supply includes an energy storage device that is charged to predetermined voltage. The energy storage device is preferably charged by a generator that converts mechanical energy into electrical energy. The present invention optionally includes an electrolyte storage compartment in the cap.

Abstract: The pitcher body takes a standard form to hold a beverage for storage. Mounted within the pitcher body is a filter assembly including a reservoir section, an outlet, and a filter element located operatively prior to the outlet. Additionally, a water-tight sealing cap is provided to seal the outlet. With the sealing cap removed, the filter assembly operates as normal, filtering water from the reservoir section to the pitcher body. With the sealing cap blocking the outlet, the reservoir section may be used as an ice hopper to cool the filtered water without contamination. The filter element may also be removed if the sealing cap blocks the outlet to provide increased capacity for holding ice.

Abstract: A portable water purifier (10) is disclosed herein. The portable water purifier (10) includes a container (11) for containing the liquid and mates with an ultraviolet light source (18) for purifying the liquid with ultraviolet radiation.

Abstract: A manually pressurized water filtering container comprising an enclosure having a compressible wall terminating at an open neck and a removable, water permeable filter module and a cap adapted for receiving the filter module and for engaging and sealing the open neck. A sealing gasket is compressed between two sealing surfaces in one case by a retainer and in another case by the engagement of the cap on the container. Water forced out of the enclosure by compression of the wall moves through the filter module to reach the open neck and the cap.

Abstract: A self-contained, portable rainwater collecting and purifying system for collecting, filtering and disinfecting rainwater or other precipitation primarily for drinking purposes. In a preferred embodiment the portable rainwater collecting and purifying system is characterized by a housing which contains the system components. The bottom of the housing is typically fitted with skids or wheels, and a pair of sloped water collection panels is typically hinged to the housing for receiving the falling rainwater. A collection gutter receives the rainwater from the panels and drains the rainwater into a vertical standpipe fitted with a typically screen filter or filters. As the rising water in the standpipe eventually overflows, the overflowing, partially filtered water leaves the standpipe and enters a water collection tank through a hopper typically fitted with a gravity-flow filter or filters.

Abstract: A water-filtering kit has a filter container (1, 28, 32, 37, 41). A water filter (8) is positioned on an interior portion of the filter container. A filter-inlet connection (9) on the water filter is positioned in tube-access proximity to an inlet-tube aperture (10) in the filter container. Similarly, a filter-outlet connection (11) on the water filter is positioned in tube-access proximity to an outlet-tube aperture (12) in the filter container. The filter container is sized and shaped to contain an inlet tube (13) and an outlet tube (14) which can include one or more hoses in a compacted mode that includes winding, spooling and rolling. The filter container has a container top (7, 31, 36, 40) proximate which or to which a filter head (25) of the filter is attached. The filter, the inlet tube and the outlet tube are positioned in the filter container for storage and transportation. The inlet tube and the outlet tube can have quick disconnects (21, 22, 23, 24).

Abstract: A spill-proof, heat-resistant container to hold used left-over cooking oil and grease. The container comprises an outer container, an inner container conformably shaped and dimensioned to be received within the outer container, and a removable lid for closing an opening of the inner container. The removable lid includes an aperture therethrough and a valve which blocks the aperture when the container is upset.

Abstract: A filter package having a long shelf-life and containing substantially no contaminants comprises a filter cartridge, a flexible bag surrounding the filter cartridge having walls comprising a polymeric material impervious to microorganisms and liquid water, a venting mechanism formed in a wall of the flexible bag, and sanitized water sealed inside the flexible bag and immersing substantially 100% of a volume of the filter cartridge. The filter cartridge includes a porous filter medium having a plurality of pores through which a fluid can pass between an upstream side and a downstream side of the filter cartridge and the sanitized water substantially permeates the pores of the filter medium. The venting mechanism includes a vent filter preventing the passage of microorganisms into the flexible bag.

Abstract: A portable device for supplying filtered water includes a container, a cap member, a partitioning member, a filter member, an intake tube, a piston pump unit, and a spout. The partitioning member divides an interior of the container into an outer chamber and an inner chamber. The filter member is disposed on the partitioning member, and has a first inlet communicated with the outer chamber and a first outlet communicated with the inner chamber. The intake tube is disposed in the inner chamber. The piston pump unit is mounted in the cap member, and has second inlet and outlet, and an inner cylindrical wall defining a cylindrical chamber in fluid communication with the second inlet and outlet. The second inlet is further communicated with the intake tube. The second outlet is further communicated with a passage in a piston member through which purified water is drawn up to the spout.

Abstract: A cooking oil storage and filtering system for filtering and storing used cooking oil prior to reuse. The cooking oil storage and filtering system includes an housing assembly with a funnel portion, an upper portion, a bottom portion, a pair of track members, and a housing lid member; a filter assembly which is slidably insertable into the housing assembly along the track members and is designed for removing particulate matter from a quantity of cooking oil, and a kettle assembly, which can be positioned within the bottom portion of the housing and is designed for storing the quantity of cooking oil.

Abstract: A portable, self-contained, fully integrated water purification device which includes a receptacle modified to accommodate a filtration assembly for purifying water, and to store water following purification. The receptacle provides separate openings for water intake, and water outflow. The filtration assembly includes a pump and a multistage filter cartridge. Pump action draws water into the water purification device and forces the water through the multistage filter and into the receptacle. Purified water may be stored in the receptacle until consumption.

Abstract: The invention relates to a medical-technical or dental-technical work table (1) which in its forward region of its table surface (2a) has a protection arrangement (11) having a protection plate (11c) in upwardly extending arrangement, which protection plate is held on the work table by means of a holder (12), whereby there is provided a rearward rear-wall-like protection arrangement part (11b) having a rear wall (11d; 52) behind the protection plate (11c) which part is positionable in a disposition on the work table (1) and/or on a carrier arm (14) in which the rearward protection arrangement part (11b) forms with the protection plate (11c) a hood-shaped protection arrangement (11).

Abstract: In accordance with the present invention, there are provided articles for use in non-invasive measurements of nitric oxide levels in a variety of fluid media, e.g., in mammalian body fluids. Articles according to the present invention comprise a nitric oxide trapping agent contained within a vessel, wherein the vessel comprises a semi-permeable membrane. Nitric oxide diffuses through the semi-permeable membrane and is trapped therein for subsequent quantitative analysis. Articles of the present invention are particularly useful in selectively detecting nitric oxide in the presence of other NOx species.

Abstract: A faecal filter assembly comprises two open-mouthed receptacles adapted to be joined by a hollow stopper. A tubular filter extends centrally from the stopper so that the latter provides a shoulder at the open end of the receptacle where debris and the like will collect. The arrangement is such that when the assembly is placed in a centrifuge, centrifugal forces will not force debris through the filter but instead will collect it on the shoulder. Preferably the filter is a lattice of oppositely-extending ribs defining between them pores.

Abstract: A portable oxidant generator for generating a chlorine or chloro-oxygen solution suitable for sterilizing contaminated drinking water, thereby providing potable water. The oxidant generators include an electrolytic chamber and a power supply or source. The chamber holds a salt brine solution such that the solution is in contact with an anode and cathode included in the chamber. The power supply provides electrical charge which is passed between the anode and cathode through the salt brine solution. In the preferred embodiment of the present invention, the power supply includes an energy storage device that is charged to predetermined voltage. The energy storage device is preferably charged by a generator that converts mechanical energy into electrical energy. The present invention includes a brine storage compartment in the cap.

Abstract: A new water cap with built-in filter and air pump for filtering unfiltered water within a container. The inventive device includes a filtering portion position interiorly of a container. The filtering portion includes an upper microscreen disposed within the open lower end of the conduit. An upper layer of foam is disposed below the upper microscreen. A filtering cartridge is disposed below the upper layer of foam. A lower layer of foam is disposed below the filtering cartridge. A lower microscreen is disposed below the lower layer of foam. An air pump is coupled with respect to the container. The air pump is in communication with an interior of the container. The air pump has a check valve and an adjustable or standard air flow valve in communication therewith.

Abstract: A portable water treatment assembly and water treatment method are disclosed in which the water to be purified is placed in an upper container together with a suitable bactericide, and is held in that container until the bactericidal action is complete. At that time, an elongate dowel is manually manipulated to open a passage between the upper container and a lower container to drain the purified water through a sediment cartridge in the upper container to remove sediment from the water, and through a cartridge in the lower container containing a medium to remove the bactericide and/or other potentially distasteful ingredients from the water, and the purified water is collected in the lower container for subsequent dispensing and use.

Abstract: A brewer device for brewing single servings of a beverage, while also functioning as a cup closure lid. The lid includes a filter assembly to hold a brew substance, such as coffee grounds, a lip to secure said device to the mouth of a cup, and a frangible tab to allow consumption of the beverage without removing the lid. To enhance the aroma of the beverage while it is being consumed, the brew substance is held on top of the lid just below the position of the consumer's nose. Other brew substances, such as tea, cocoa, bouillon, etc., may be used.

Abstract: A counter top water filter unit intended for domestic use to be placed adjacent to a sink and having an inlet at its lower end which is coupled to the sink faucet. The filter unit includes a cylindrical-shaped carbon particle filter cartridge which has a longitudinal passage extending from one end to the other, and a removable pre-filter screen coaxial with the cartridge and surrounding the cartridge, both elements being removably mounted within a cylindrical filter housing, the housing being closed at its upper end and open at its lower end. A replaceable electronic display monitor unit is mounted in an outlet housing fitted to the top of the cylindrical filter housing. The state of the life-span of the filter cartridge is shown on the display monitor in terms of colored indicator lights which denote whether the filter cartridge is within, nearing an end to, and outside its expected life-span.

Abstract: A cleaning device for cleaning bearings, jewelry, brushes and various parts including a container having a rim, a container seal ledge resting on the container rim forming a fluid seal between the container rim and the container seal lodge, this is a way of supporting a screen a distance from the container bottom including a riser and a cap plug to seal the container while it is being agitated. In one embodiment the riser supports a screen which wedges against the container wall to hold the screen in place. Another embodiment has a frusto conical tube which holds the screen in place.

Abstract: A pump and filter assembly comprising a filter cover secured onto a filter body by a locking ring. A one-piece latching mechanism, integral to the locking ring and composed of flexible material, biases a latching end of the latching mechanism against the locking ring, causing the latching end of the latching mechanism to project through a slit in the locking ring into a notch on the outside of the filter body when the filter body is completely threadably engaged with the locking ring. The latching portion of the latching mechanism is easily biased away from the slit and the notch, facilitating disengagement of the locking ring from the filter body and filter cover. The entire latching mechanism is itself easily removed from the locking ring, facilitating repair or replacement of the latching mechanism.

Abstract: A portable container (2) for purifying drinking water (4), which container (2) comprises a body portion (6) for containing the drinking water (4), a handle (8) for lifting the container (2) for water pouring and water re-filling purposes, an ozone generator (10) for generating ozone from air, an air pump (12) for delivering air to the ozone generator (10) in order to produce a mixture of air and ozone and for delivering the mixture of air and ozone to the drinking water (4) in the body portion (6), and a filter (14) for the drinking water (4), and the container (2) being such that the mixture of air and ozone delivered to the drinking water (4) in the body portion (6) causes the drinking water (4) and the mixture of air and ozone continuously to pass through the filter (14) whereby the filter (14) filters the drinking water (4), and the ozone purifies both the water and the filter means (14).