Abstract: A body 1 is constructed by mounting a purifier cartridge 23 in a cold-water passage 7 and is equipped with a purified water handle 16 for opening and closing a branch passage leading from the cold-water passage 7 to the purifier cartridge 23. To this body, there is mounted a base 9 which includes a valve functioning part 11 for adjusting the mixing of cold water and hot water coming through the cold-water passage 7 and a hot-water passage 8, and the flow rates of the cold water, the hot water and the mixed water by operating a lever 15. A spout 10 spouts therefrom the cold water, the hot water, their mixed water adjusted by the valve functioning part 11, or the purified water. The purified water handle 16 and the valve functioning part 11 are provided separately, and hence they can be individually replaced when they fail.

Abstract: A device to filter water having a tubular housing with seven chambers therein divided by dividing members and filter screens. The first chamber includes a granular activated carbon filtering medium, the second chamber includes a mixed bed ion exchange resin filter medium, the third chamber being empty, the fourth chamber includes an iodinated filtering medium, the fifth chamber includes a granular activated carbon filtering medium, the sixth chamber has an anion exchange resin filtering medium and the seventh chamber, being adjacent to the sixth chamber and to the outlet port, includes a carbon filtering medium. A faucet adapter is removably connected to the source of water and it is designed to limit the water pressure applied to the device.

Abstract: A water filtration system for use with a sink, comprising: (a) a main housing member, circumscribing an enclosure subdivided into first and second compartments by an intermediate upright partition wall; (b) a fluid intake, mounted into the first compartment and adapted to be fluidingly connected to the drain pipe of the sink; (c) a water outlet, mounted into the second compartment and adapted to be fluidingly connected to a sewer line; wherein the partition wall defines a lower water-tight portion and an upper portion having a plurality of bores, the bores sized for macroparticulate contaminant screening of the fluid wherein purified water only is allowed through the partition wall upper portion and into the second compartment; (d) a tray, releasably engaged into the first compartment for collecting the macroparticulate contaminant screened by the partition wall upper portion; and (e) an elbowed siphon duct, mounted into the second compartment and operatively coupled to the water outlet, for escape of purifie

Abstract: The water purification filter is coupled intermediate any conventional shower head feed pipe and shower head. The filtration device is toroidal with a serpentine flow path. The filtration device envelopes the feed pipe which enables the shower head to remain within substantially the same location as before the insertion of the filter. To purify the shower water, the filter contains a filter media coupled between two filter screens.

Abstract: A shower water filter assembly which includes an elongated housing containing a cartridge of filter media, and which is connected to the water outlet in a shower. In order to permit the elongated housing to have sufficient length to efficiently perform a filtering function, a flexible hose is coupled to the bottom of the housing and extends through a tubular wand to the shower head. The wand and shower head are supported, for example, on the side of the cylindrical housing so as to provide sufficient elevation for the shower head for normal shower use. Alternatively, the wand and shower head may be removed from the supporting bracket and used manually for the shower.

Abstract: A water treatment device including an arrangement having mechanisms for mechanically totaling the volume of water filtered and for indicating when the replaceable filter cartridge has reached the end of its useful life. End-of-life indication is provided by a valve mechanism for stopping flow after a predetermined volume has been filtered. The arrangement includes a novel mechanism for resetting the flow totalization mechanism. The preferred water treatment device is faucet mounted and also includes a novel flow bypass design.

Abstract: A filter apparatus for water purification is provided. A compact housing has a disk filter including concentric chambers connected in series with divided water flow in opposite directions in each chamber with one water tank input and one purified water output.

Abstract: A faucet spout including a sleeve member having a lower water exit, a core member having a closed end, a filtering screen, a resilient adapter fitted onto a faucet and a cap member. The core member is disposed in the sleeve member with the closed end facing the water exit of the sleeve member. The filtering screen is disposed in an inner insert groove of the sleeve member above the core member. The resilient adapter is disposed on an inner step section of the sleeve member. The cap member is screwed on an upper end of the sleeve member to associate the resilient adapter with the sleeve member. When the faucet is opened, the water flowing into the sleeve member is more than the water flowing out of the sleeve member so that the water accumulates therein and creates turbulence and back pressure, making the resilient adapter more firmly engage with the faucet without easily detaching therefrom. The water under pressure will be injected from the water exit of the sleeve member in fog pattern.

Abstract: A water purification device for attachment to a hose or other water supply such that water flowing through the device comes in intimate contact with a treatment media including free available silver ions to provide a anti-bacteria and germicide treatment of the water flowing therethrough. Preferably, the device includes an inner chamber having opposed pairs of shells, and treatment media is disposed in at least one of such shells.

Abstract: A filtering arrangement is provided for effluent from a septic tank prior to passage to a drain field or other disposal. The filtering arrangement makes use of an open-top, U-shaped filter into which the septic effluent is conducted from the top, preferably through a T-fitting providing an open-topped channel leading into the U-shaped filter. The filter may be formed of an outer perforated casing and an inner lining of an open-cell-type polymeric material which effects the filtering of the effluent. The U-shaped filter is preferably suspended from the T-fitting. A preferred filter includes an inner and outer casing with a fibrous filter material between. The filter also preferably has an imperforate lower portion to retain a permanent body of liquid in the bottom of the filter. The arrangement provides fail-safe filtering automatically adjustable for varying flow rates and conditions of the filter. The polymeric filter medium is changed periodically to maintain efficiency.

Abstract: Herbs contained within a filter assembly disposed within an outer enclosure assembly is infused by hot water from a faucet when a connector tube at the top of the enclosure assembly is attached to the faucet outlet and an outlet at the bottom of the enclosure assembly is opened, thereby permitting the herb infused liquid to be dispensed for a medicinal bath.

Abstract: An apparatus for the purification of shower water by the intimate contact with finely divided metal comprising copper and zinc. This apparatus causes turbulence of the water in contact with the metal. Also a method for the purification of water by the intimate contacting of shower water in a turbulent state with finely divided metal comprising copper and zinc. A showerhead can be directly connected to the outlet supplying purified water.

Abstract: A ball valve has a housing which rotatably carries a ball. The housing has inlet and outlet ports. The ball has two ports which may be rotated to align with the housing's ports. The ball carries a cartridge in a cartridge compartment located transverse to the ball ports. The cartridge has inlet and outlet ports between which a cartridge flow passage is defined. A strainer is located within the cartridge flow passage. The ball and cartridge may be rotated to an orientation in which the ball ports are substantially transverse to the housing ports, from which orientation the cartridge may be extracted from the ball and housing and the strainer may be removed from the cartridge.

Abstract: The present invention provides a one piece or unitary filter assembly for attachment to a waterline to remove chlorine and other substances from water. This unitary assembly provides a rechargeable or reusable filter assembly for use with hot water passing through a concentrated bed of 100% granulated or powdered zinc and includes a removable diverter/screen element to enable zinc to be added to or removed from an internal chamber formed therein. The preferred method of treating water utilizes 100% zinc filter media to react with or remove chlorine and other substances more efficiently from water, thereby allowing a greater volume of water to be treated, as well as the treatment of water at elevated temperatures. The pure zinc filtering media used has the added advantage of achieving a more efficient oxidation of chlorine while meeting current EPA standards.

Abstract: This invention is regarding to a fast connection joint for pipe fitting, particularly for those applications where prevention of water spraying in large quantity is required. Its structural design allows connecting or disconnecting an external pipe or faucet, without the need to shut off the water automatically opens when a pipe or faucet is inserted into the connection joint and automatically closes when the pipe or faucet is withdrawn.

Abstract: A low profile water distiller has a housing. A steam chamber is located within the housing having a horizontal dimension greater than its vertical height. A condenser is also located within the housing having a horizontal dimension greater than its vertical height. The vertical height of the condenser is generally the same as the vertical height of the steam chamber. A raw water conduit extends in a generally horizontal plane within the housing for delivering water to be distilled into the steam chamber. A steam conduit also extends within the housing for delivering steam from the steam chamber to the condenser. The steam conduit extends in a generally horizontal plane parallel to the generally horizontal plane of the raw water conduit. An air circulation channel within the housing draws cooling air through the condenser in a generally horizontal path parallel to the generally horizontal planes of the raw water conduit and the steam conduit.

Abstract: A device for producing mineral-containing water comprises a case communicated with a water outlet of a water storage vessel with or without the use of a plug, the case being provided with a plurality of small diameter water passages. Small masses of ceramics serving as mineral-water production material are accommodated in the case. The device permits only a required quantity of supply water to be rendered to mineral-containing water for drinking or cooking, by contacting the water with the small masses of ceramics. Mineral-containing water is produced when pouring supply water from the faucet into the water storage vessel, for instance, a canteen, a kettle, a pot, a bottle, etc., and this requires no substantial change in the appearance of the vessel or in the operation of pouring water.

Abstract: A water treatment system and related components for reducing contaminants in normal drinking water are provided. An elongated tube has first and second ends and is connected with an interference fit at its first end to the interior surface of a neck of a conventional bottle. Water treatment media is disposed within the tube adjacent its second end, such as activated charcoal, halogenated resins, ion exchange resins, calcium and/or magnesium leaching material. The tube includes a flange adjacent its first end which minimizes the possibility that water will enter the bottle except by flowing through the open first end of the tube.

Abstract: A filtering arrangement is provided for effluent from a septic tank prior to passage to a drain field or other disposal. The filtering arrangement makes use of an open-top, U-shaped filter means into which the septic effluent is conducted from the top, preferably through a T-fitting providing an open-topped channel leading into the U-shaped filter. The filter is preferably formed of an outer perforated casing and an inner lining of an open-cell-type polymeric material which effects the filtering of the effluent. The U-shaped filter is preferably suspended from the T-fitting. The arrangement provides fail-safe filtering automatically adjustable for varying flow rates and conditions of the filter. The polymeric filter medium is changed periodically to maintain efficiency.

Abstract: An improved water filter unit including a casing having a removable snap-type cover with the casing mountable to a surface or free standing. The casing including a plurality of removable different type water filter cartridges, each of which includes a pair of different water filters, connected to a manifold formed in the casing. The casing including a pair of change water filter indicators.

Abstract: A shower filter assembly having a thin or low-profile design including a recessed inlet which leads into an internal chamber in which a baffle is mounted to deflect water flowing into the chamber substantially evenly through a dechlorinating media held within the chamber. An outlet from the chamber includes a shut-off valve and a compact shower head securely mounted to the end of the outlet.

Abstract: A faucet mounted water filtration unit having two tubular hollow legs depending from a base member with a coupler for attaching the unit to a faucet spout, with the spout straddled by the legs and the unit positioned about the faucet. One leg brings unfiltered water from the faucet spout attachment into the filter housing containing a replaceable cartridge. The other tubular leg brings filtered water from the filter unit to an outlet port. A diverter valve on the base allows one to bypass the filter unit to receive unfiltered water.

Abstract: Apparatus and method are provided for the substantial separation on a continuous flow basis of immiscible liquids flowing as a common stream, with one of the liquids substantially encapsulating another of the liquids, in a flow conduit. The conduit comprises an inner surface which is selectively "wettable" by one of the liquids to the substantial exclusion of another of the liquids; and the liquid separator apparatus are disposed in the conduit and operate to substantially separate the liquids, or at least a portion of one of the liquids, from the common liquids stream as that stream flows into contact with the separator apparatus in the conduit.Apparatus and method for the introduction of a liquid on a continuous flow basis into a flowing stream of another liquid which is immiscible therewith and is flowing in a flow conduit are also provided.

Abstract: A faucet assembly with removable filter has a bottom housing portion attached to a source of water. A top housing portion that includes a spout means attaches and detaches from the bottom housing portion. A valve assembly carried in the bottom housing is movable between a closed position, blocking the passage of water through the bottom housing portion into the attached top housing portion, and an opened position permitting the passage of water through the bottom housing portion into attached the top housing portion. A filter is removably carried within the hollow interior of the top housing portion between the valve assembly and the spout. The filter makes sealing engagement with the valve assembly and with the spout as the top housing portion is attached to the bottom housing portion.

Abstract: An in-line water purification system where all the water from a supply to a faucet opening enters a filter cartridge further includes a flow restrictor placed at the end of a faucet and which can be placed in a position so as to reduce water volume through said filtering system to remove the subjective control by the end user of water flow through the filtering device.

Abstract: Apparatus and method are provided for the substantial separation on a continuous flow basis of immisicible liquids flowing as a common stream, with one of said liquids substantially encapsulating another of said liquids, in a flow conduit. The conduit comprises an inner surface which is selectively "wettable" by one of the liquids to the substantial exclusion of another of the liquids; and the liquid separator apparatus are disposed in the conduit and operate to substantially separate the liquids, or at least a portion of one of the liquids, from the common liquids stream as that stream flows into contact with the separator apparatus in the conduit.Apparatus and method for the introduction of a liquid on a continuous flow basis into a flowing stream of another liquid which is immisicible therewith and is flowing in a flow conduit are also provided.

Abstract: A shower dechlorinator is fabricated in the form of a short cylindrical filter housing. A first end cap is provided on one end of the housing, and this end cap is threaded onto the outlet pipe for a shower. A second end cap seals the other end of the housing and is adapted to be attached to a shower head. The filter housing is filled with granulated or randomly oriented fibrous material which chemically interacts with chlorine in the water passing through the unit. Typical filter material is in the form of a copper/zinc metal alloy.

Abstract: A portable water treatment apparatus utilizing a cylindrical filter module having a spirally wound semipermeable membrane assembly includes interior upper and lower O-ring seals and an outer brine seal, all of which may be assembled without any potentially damaging movement between the seals and the respective interfacing surfaces in contact with the seals. Each of the O-ring seals is disposed between an annular shoulder on one interfacing part and a frustoconical surface on the other part such that a sealing compression is the only movement imposed on the O-ring. The brine seal, comprising a strip of adhesive-coated tape, is attached after the filter module has been placed in the housing such that it is in its final sealing position and is undisturbed by any subsequent assembly step.

Abstract: An undergravel filter of an aquarium tank served by a power head to suck water from a chamber located beneath the undergravel filter to circulate this water into the tank. A riser tube connects the filter with the power head and contains a carbon cartridge, fixed to the power head. The carbon cartridge is perforated and has a substantially conical configuration. The cartridge is filled with carbon which provides chemical filtration of the water before it is returned into the aquarium tank.

Abstract: A portable tap water filter having an upper portion including a resilient faucet connection member and having a lower portion including filtration media. The portable tap water filter is removably attached to a faucet head at an interior annular lip. The interior annular lip is expandable to aid mounting and removal by movement of a plurality of ribs within the upper portion about a fulcrum location when the user squeezes the upper portion below the fulcrum location. A state-of-the-art filtration system is resident in the lower portion. A water stream regulation structure is included having a baffle, a saucer which centrally eclipses the lower portion and a plurality of drill holes annularly arranged around the periphery of the saucer.

Abstract: This device is designed to most effectively strain and filter water from faucets. Primarily, it consists of a cartridge with a rubber fitting that is received in a faucet. A pair of mesh screens are received in the cartridge for retaining foreign particles, and a pair of aeration discs are also provided along with activated charcoal for removing toxic substances.

Abstract: A filter is disclosed for treating drinking waters contaminated with lead or, alternately, lead and copper. The filter is made an effective extractor of toxic lead or copper by incorporating a particulate chelating agent having substantial selectivity for lead or lead and copper and having little or no reactivity with all other ions.

Abstract: A water filter has an elongated base with an inlet opening near one end thereof to which is secured an adaptor ring for attachment to a water faucet. A first outlet opening on the base dispenses unfiltered water and there is a channel defined within the base that leads toward the other end, with an externally-operable valve being included for selecting between unfiltered flow to that outlet and flow down the channel. Located near the other end of the base is a mounting on which sits a water filter cartridge that communicates with the channel, and the cartridge delivers filtered water to a second outlet. A number of features include a color indicator to exhibit degree of cartridge usage, a reversible adaptor ring to accommodate different faucets and there are different aerator structures. Of particular note is the replaceable cartridge which includes a deflector for obtaining better usage of the main filtering material, an exteriorally-mounted first filter and an internally-mounted second filter.

Abstract: Fluid filter apparatus including a body member defining a fluid inlet, a fluid outlet and a plurality of debris outlet apertures, a filter seated in the body member, and a cover member including a sleeve portion and an annular skirting mounted about the body member and arranged to assume a first orientation wherein the sleeve member is in sealing engagement with the debris outlet apertures and a second orientation wherein the annular skirting lies in adjacent non-sealing relationship with the debris outlet apertures whereby water and debris exiting therefrom impinge on the skirting for being deflected thereby.

Abstract: A water purification device has first and second like hollow elongated members adapted for detachable engagement with each other, and when engaged defining an elongated housing having a cylindrically shaped central section and opposite ends with small openings. A cylindrically shaped filter is disposed removably in said central section. The filter ends are disposed transversely to an axial bore in the filter. A first mechanism detachably securable to a water faucet pivotably secures one housing end to the faucet and conducts water from the port into the housing. A thin flat annularly shaped disposable fiber prefilter removably overlies the end of the filter adjacent said one housing end. A second mechanism connected between said first mechanism and the bore has a first position at which the conducted water flows through the device unfiltered and has a second position at which the water is filtered.

Abstract: A rotary sealing device for connecting a fixed gas supply pipe to a tube rotating about its axis. It comprises a first rotary member for receiving the fixed pipe, a second rotary member for receiving and sealing the rotary pipe and fixed to the first member, and a filter placed in a chamber made in the aforementioned members and forming an obstacle to the gas flow and consequently to an overpressure of said gas, opposing the entry into the said chamber of gas coming from outside the device.

Abstract: An apparatus for filtering drilling mud that is being recirculated out of the drill hole, which substantially comprises the flow conveying tubular section having at its first end a flanged base portion sealably attachable to the top portion of the hydril and open-ended at its second end for allowing fluid flow therethrough. Also provided is an outer tank portion encapsulating substantially the upper half portion of said tubular section, the tank portion having an open-ended top portion for receiving flow out of the end portion of the flow conveying tubular section and integrally attached at its bottom portion to the outer surface of the flow conveying tubular section, the outer tank portion defining a container for receiving the flow from the tubular section.

Abstract: A device for removing foreign particles from a source of fluid under pressure which is adaptable to be connected to a faucet or the like. It comprises one or more screens which are provided to collect the foreign particles which might include small stones, calcium deposits and the like, such that the particles cannot pass through the mesh of the screen. Such screens are mounted on a rotatable member having an exteriorly accessible handle whereby the rotatable member and screens thereon can be rotated at least ninety degrees and preferably one hundred eightly degrees so that the force of the fluid under pressure cleans off the screen and enables it to be used again to collect or intercept other additional foreign particles.

Abstract: An aerator which is attached to a water faucet includes a flow control disc at its upstream end for providing a restricted water passageway and includes air passage means for directing atmospheric air at the stream of water to mix the air and water at the upstream end of the aerator.

Abstract: A water tap filter having separable components for selective use in forming either a steady stream of water or alternately a spray. The unit includes in its steady stream component a filter element.

Abstract: A reverse osmosis water purifying device is provided with a flush water restrictor which serves to provide a suitable back pressure on the reverse osmosis membrane in order to affect the purification process. The device is designed for attachment to any source of pressurized water. The restrictor device consists of a capillary tube sized to provide a suitable ratio of flush water to purified water. A ball-type check valve surrounds the capillary tube at its point of exit and the ball valve may be dislodged in order to flush the membrane. The core of the membrane assembly is filled with activated charcoal in order to provide for a more efficient and complete purification.

Abstract: A filter for blood and the like including a housing defining an inlet for fluids to be filtered, and an outlet for filtered fluid, plus a stack of filter pads of thermoplastic fibers positioned within the housing. According to one aspect of this invention, the stack of pads is joined together at their periphery by a heat seal to form an integral filter unit, while, typically, the stack is joined to the housing at such periphery by a second seal. In another aspect of this invention, the fluid inlet is positioned adjacent a first pad of the stack and the fluid outlet is adjacent a last pad of the stack, the diameter of the fibers of the last pad being smaller than the diameter of the fibers of the first pad, typically with the fiber diameter of intermediate pads generally decreasing from pad to pad in the direction of the last pad.

Abstract: A filter cartridge, for an internally by-passable water purifier apparatus, is in the form of a tubular shell that has inlet and outlet walls with at least one opening being defined in each. A water filtering material is disposed within the shell. Running lengthwise of the shell is an arrangement for guiding water from the inlet to the outlet regions and exclusive of the filtering material. That arrangement is either interiorly of or external to the shell.The cartridge is usable in a purifier apparatus that has a housing with an inlet for the flow of water as well as a single outlet area for discharging the flow of water. A channel defines the path of water flow from the inlet to the outlet, and a chamber is defined in that channel in the path of the flow. One valve is disposed in the channel for controlling the flow of water from the inlet through the cartridge to the outlet.

Abstract: The present invention relates to a system for automatically recovering the entirety of the excavated materials in the order in which they are raised to the surface.The excavated materials being delivered through the central passage of a double pipe system pass into a strainer pipe 6 discharging into a perforated recovery sheath 5 which is closed at its base. A decompression sleeve 3 encloses the strainer pipe. Air and water are evacuated through the strainer slots 6 and all the excavated materials are deposited at 5 in the order in which they are brought up.The invention is applicable to any reverse circulation drilling system.

Abstract: In accordance with the invention there is provided a water filter and water filter cartridge having an upper water filtering layer containing charcoal particles, a lower filtering layer having a submicron pore size and an intermediate filtering layer having a pore size greater than that of the lower layer but less than the particle size of the charcoal in the upper layer.

Abstract: In accordance with the invention there is provided a water filtering device for attachment to a faucet comprising a generally tubular passage with an inlet for water from the faucet at its upper end and an outlet for water at the lower end, an annular water filtering chamber surrounding the passage, openings between the lower axial end of said chamber and the lower portion of said passage, openings between the upper axial end of said chamber and the upper portion of said passage, and a valve in said passage movable for blocking the flow of water directly from the upper portion of said passage to the lower portion of said passage whereby when said valve is closed water from the faucet is caused to flow from said passage into and through said filtering chamber and then back into said passage and out of the water outlet.

Abstract: A washing machine drain filter including a cage with a top having a drain tube connection and bore through the top, a bottom, an oversize filter bag inside the cage connected with the bore, and means for detaching the cage from the top; further embodiments include a plural drain tube connection-single bag filter and an enclosed cage model with an additional drain tube connection in the bottom for standpipe use.

Abstract: A combination faucet and antisyphon break or air gap for dispensing purified water produced by a membrane type purification unit, has a body having a valve-controlled passage with a spout for dispensing purified water; and a pair of additional vertical passages, one for connection to the brine output of the purification unit and the other for connection to the sewer. The passage connected to the brine output of the purification unit comprises a plastic tube which terminates at its top in a gooseneck, which acts as a channel to direct the brine overflow from this passage past an antisyphon break into the passage connected to the sewer. This passage also comprises a plastic tube.

Abstract: The present invention relates to a double leaf filter head for drawing clear samples from a liquid to be analysed. The filter head is of especial use in drawing samples of phoshoric acid whose SO.sub.4 .sup.-.sup.- ion content is to be analysed by turbidimetric methods.

Abstract: The invention provides a faucet-mounted water filter comprising an upright tubular diverter body that is adapted to be secured to the open end of the water faucet. At the bottom of the diverter body is a water outlet through which unfiltered water can be dispensed. In the diverter body is a valve with a valve outlet duct projecting from one side of the diverter body. A manually movable valve handle projects from the diverter body and is connected to the valve for directing the flow of water either through the water outlet (when unfiltered water is required) or for diverting water through the outlet duct. A filter housing is mounted upon the duct and is preferably connected to the diverter by means of the duct. A carbon block filter element is provided in the filter housing which includes a vertical water inlet surface on an outside wall and a water outlet at the bottom. The filter housing includes an annular water distribution chamber for unfiltered water which surrounds the filter element.