Abstract: Single-use long-life faucet mounted water filtration devices are disclosed. A bathroom water filtration device having two outlets for filtered water is disclosed. Additionally, a fountain head is included for use in the bathroom water filtration device. The water filtration device is of unibody construction formed by ultrasonically welding certain parts thereof together. Since the devices disclosed are disposable, no filter replacement or other maintenance is performed. A gate, magnet(s), sensor and electronics provide an indication of filter performance enabling disposal of the water filtration device and installation of a new device. A kitchen water filtration device is larger than the bathroom device. Both the kitchen and bathroom water filtration devices are small and are mounted behind the faucet connection so as to facilitate full utilization of the sink or wash basin.

Abstract: A filter detection apparatus for photolithography equipment for fabricating a semiconductor device includes a filter which filters at least one of air bubbles and particles in a photoresist. The apparatus also includes a housing which holds the filter. In addition, the apparatus includes a housing fixing portion which fixes the housing. The apparatus also includes a built-in filter sensing portion which senses a presence of the filter in the housing fixed to the housing fixing portion. The apparatus also includes an indicator which indicates the presence of the filter in the housing, in accordance with a signal sensed in the built-in filter sensing portion.

Abstract: Disclosed is a semiconductor exposure apparatus which includes a chamber for accommodating therein a main unit of the exposure apparatus, a gas controlling unit for controlling a gas in the chamber, a chemical filter for attracting a chemical substance in a controlling gas, and a dust removing filter for catching a dust particle in a controlling gas, wherein a gas blowing area of the chemical filter is smaller than that of the dust removing filter wherein said chemical filter and said dust removing filter are disposed separately from each other. The chemical filter is mounted obliquely with respect to a direction of flow of a supplied gas. A gas rectifying device is disposed at a gas inlet side of the chemical filter and the dust removing filter. The chemical filter can be a pleat filter, and it is mounted so that the pleat thereof is orthogonal to the direction of flow of the supplied air.

Abstract: A fuel filter includes a first filter chamber, a second filter chamber and a valve assembly disposed between the first and second filter chambers. The valve assembly includes a valve casing with a valve head connected to a flag indicator slidably disposed within the valve casing and movable between a first and second position. A port located in the valve casing allows fuel to flow from the first filter chamber to the second filter chamber when the valve head and flag indicator moves from the first position to the second position. A transparent portion of the valve casing allows the flag indicator to be visible in the second position allowing a user to determine that the fuel filter must be serviced or removed and replaced.

Abstract: A refrigerator with a water treatment system including a head connecting a water supply to a water-using accessory. An end piece is provided for connecting a treatment cartridge to the head. The end piece comprises an inlet fitting having a cam that contacts a follower of a valve located in the head to open the valve when the end piece is mounted to the head and connects the treatment cartridge to the water treatment system.

Abstract: The invention is directed to a system for removing waste material from a fluid flowing in a channel. This system may incorporate the use of a trap for collecting the waste material while allowing the fluid to pass; a rake for removing the waste material away from the trap; a drive assembly for moving the rake to remove the waste material; a prime mover for operating the drive assembly; and a variable speed controller configured for operating the prime mover over a variable range of speeds.

Abstract: A system for automated treatment of fluids having interchangeable process modules (39, 40, 41, 42, 43), which are arranged next to each other, and which are respectively provided with a control unit and a fluid unit. The fluid unit is controlled by the control unit in order to carry out a module-specific process function during the treatment of the fluids. The control units are interconnected via a data bus (48), which is common to the process modules (39, 40, 41, 42, 43), and the fluid units are interconnected by a fluid bus (49) that has several channels. A fluid bus section is provided for at least one part of the channels inside each process module (e.g., 42). This section has fluid bus interfaces (52) at the ends thereof. A connection unit (51) is configured to be mounted between the respectively adjacent fluid bus interfaces (52) of two successive process modules (e.g., 41, 42) in at least two different mounting positions.

Abstract: A refrigerant connection includes a ferrule positioned within a threaded nut. The threaded nut is received on a connector body. A seal is positioned between the ferrule and the connector body. As the nut is turned on the connector body, the ferrule squeezes the seal. The seal is cylindrical such that sealing surfaces are provided at each axial end and at an outer periphery. In this way, the seal is not as sensitive to surface imperfections in the various components as was the case in the prior art.

Abstract: A vehicle having an engine, a fuel tank, and a pump encased in a housing. The pump is in fluid communication with the fuel tank and the engine. A filter is disposed intermediate the fuel pump and the engine. An electrical conductor having an inoperative position and an operative position is operatively associated with the pump. When the filter is installed, the electrical conductor contacts the pump housing to ground the pump allowing operation thereof.

Abstract: Blood is purified by removing the whole blood from a patient and feeding the blood into a manifold in a centrifuge. A purifying chamber is formed in the centrifuge from a plurality of co-arcuately arranged modules. The blood is supplied from the manifold to each of the modules. Each module contains a stack of dialysate membranes. Fresh dialysate is fed into the manifold and then to each of the modules. Under centrifugal force the cells are separated from the plasma. The plasma is purified by removing contaminants as a result of the action of the dialysate and membranes. The purified blood is returned to the patient by being fed back to the manifold and then to the patient. The used dialysate/contaminants are fed from the modules back to the manifold and out of the centrifuge.

Abstract: The present invention relates generally to a fractionator for collecting at least one of a plurality of segregated components from a segregated sample disposed in a sample tube. The fractionator has a head with a head surface at its forward end. The head may be configured to form a slideable seal with the inside surface of a sample tube. A collection port is disposed forward of the head surface, and a fluid passageway is in fluid communication with the collection port and is configured and arranged to allow fluid transport from the sample tube to a sample receptacle. The fractionator may have a valve in fluid communication with the collection port and may have a valve controller configured and arranged to operate the valve based, at least in part, on the location of the collection port with respect to a sample disposed in the sample tube.

Abstract: The invention relates to a filtration system and method for carrying out a process for the filtration of fluids, comprising at least one filtration device with at least one filtration element comprising readable data and a check and/or test apparatus to which the filtration device may be connected, by means of data and testing means lines. The check and/or testing device is connected to a process controller, by data exchange means, for regulation and control of the filtration process and the process controller is connected to a filtration databank, by means of data exchange means, which comprises data sets for at least one filter element and/or for each filtration device and/or for the filtration process. The invention further relates to a computer programme product for carrying out a filtration process on fluids whereby programme components may be called up from a programme memory which support the carrying out of the filtration process.

Abstract: A fluid-treating device containing a distributing device having a revolving disc in a stationary housing, and a motor for rotating the disc. Feed and discharge pipes are connected to an end wall of the housing and open onto the revolving disc. Stationary vessels are connected to the housing via connecting pipes. The revolving disc includes a plurality of passageways that open on the outer side of the disc. For a number of positions of the disc, the passageways are each connected to one of the connecting pipes, while feed and discharge pipes open via ring-like ducts into different passageways.

Abstract: The present invention relates to a device (1) for cleaning a liquid-containing vessel. More particularly, the present invention relates to a device (1), suitable for cleaning liquid-containing vessels (such as bathtubs or swimming pools), equipped with an energy storage means and a self-tracking means and/or a filter, wherein said device (1) is capable of floating and actively moving in said vessel.

Abstract: A system for automated treatment of fluids having interchangeable process modules (39, 40, 41, 42, 43), which are arranged next to each other, and which are respectively provided with a control unit and a fluid unit. The fluid unit is controlled by the control unit in order to carry out a module-specific process function during the treatment of the fluids. The control units are interconnected via a data bus (48), which is common to the process modules (39, 40, 41, 42, 43), and the fluid units are interconnected by a fluid bus (49) that has several channels. A fluid bus section is provided for at least one part of the channels inside each process module (e.g., 42). This section has fluid bus interfaces (52) at the ends thereof. A connection unit (51) is configured to be mounted between the respectively adjacent fluid bus interfaces (52) of two successive process modules (e.g., 41, 42) in at least two different mounting positions.

Abstract: The support device for bags, applicable in machines for extracorporeal blood treatment or in machines for renal failure treatment, comprises a base body (2) and a support element (3) associated to the base body in such a way as to be displaceable with respect to the base body between at least one operative loading position and an operative work position. In particular the support element is telescopically engaged to the base body and is slidable along a predetermined movement direction (4). The special configuration of the support device enables an easy loading of the machine and a subsequent optimal control of the machine stability.

Abstract: Device and process for conveying filter elements to a filter element magazine. The device includes a rotatable drum comprising at least one seat for receiving a filter element and a detection device that controls a rotation of the drum and detects the filter elements. The process includes conveying at least one filter element in a lengthwise axial direction to a drum that includes seats, wherein at least one of the seats is adapted to receive the at least one filter element, guiding the at least one filter element past a detection device, generating a start signal as soon as an end of the at least one filter element has passed the detection device, rotating the drum in a crosswise axial direction after receiving the start signal, and moving the at least one filter element into the filter element magazine.

Abstract: The present invention relates to a water purifier capable of being loaded with a plurality of kinds of filter cartridges, and provided with a display adapted to show the kind of filter cartridge, a user being able to easily ascertain the kind of the water-purifying cartridge in use. The water purifier according to the present invention is preferably provided with a power source for use in displaying the kind of filter cartridge, and a display for showing thereon the power source replacement time, so that this water purifier works to easily notify a user of filter cartridge and power source replacement time.

Abstract: The present invention provides a fluid-filtration receptacle well-suited for use in centrifugal sample concentration protocols, and particularly, wherein specifiable degrees of sample concentration are sought. Toward this end, the fluid-filtration receptacle is provided with an integral semi-permeable drain capable of being either completely or variably unsealed by a user to allow selective draining of a predetermined corresponding volume of said liquid from said receptacle. The fluid-filtration receptacle is preferably used in combination with a filtrate collection vial. The receptacle fits at least partially within the vial such that liquid (i.e., filtrate) drained from said receptacle collects within said vial.

Abstract: This invention relates to a liquid filter which includes a housing and a rotatable lid for covering the opening in the filter housing. The housing incorporates the inlet port and the outlet port for the filter. The lid is secured to the housing by rotating movement in which cam followers carried by the lid engage cam members carried by the housing to cause the lid to be cammed downwardly upon the housing. As the lid is drawn down onto the housing, an annular seal carried by the lid engages the inner surface of the housing to form a seal between the lid and the housing, covering a side opening in the housing.

Abstract: The invention relates to a chromatography device comprising:

Abstract: A filter maintenance monitoring method and a filter maintained thereby are provided , by which re-use of the filter by wash is smoothly and efficiently promoted. The filter includes that loaned from a filter owner to a filter user. The filter used for a predetermined purpose and having clogging of filter cloth by filtering dust in air is recovered to be washed for re-use. History data base stored in a storage portion of a computer is renewed based on wash history of the recovered filter. Then, re-use of the filter is decided based on the renewed history data base. Changes in the filter by damages or deterioration corresponding to the wash history are automatically grasped. Thereby, an efficient filter maintenance is realized.

Abstract: A screw pressing type filtering apparatus that discharges a treated substance having a constant water content, including a screw rotatably provided inside a substantially cylindrical filter body so that a substance supplied to the space between the screw and the filter body is filtered by the filter body while being conveyed by the rotating screw. The apparatus further includes: a back pressure valve installed in the discharge port of the filter body to restrict the discharge amount of the filtered substance, an air cylinder that supplies a pressure to the back pressure valve, a valve opening detector which detects the opening amount of the back pressure valve relative to the discharge port, and a control section which controls the air cylinder based upon the detection results of the valve opening detector so that a pressure that corresponds to the degree of opening is supplied to the back pressure valve.

Abstract: The present invention relates to an autosampler device useful in high pressure liquid chromatography (HPLC), and more particularly to a device useful for the automated introduction of small sample volumes into a HPLC system. Methods of analyzing low abundant protein samples using such a device are also included.

Abstract: A fluid treatment system is disclosed that includes a replaceable and/or serviceable fluid treatment cartridge for treating fluid passing therethrough, and a connector head configured to detachably support the fluid treatment cartridge. The cartridge includes a device for storing data related to the performance and/or identity of the cartridge, and a mechanism is provided to facilitate an exchange of data between the fluid treatment cartridge and a monitoring device configured to process the data.

Abstract: A vehicle having an engine, a fuel tank, and a pump encased in a housing. The pump is in fluid communication with the fuel tank and the engine. A filter is disposed intermediate the fuel pump and the engine. An electrical conductor having an inoperative position and an operative position is operatively associated with the pump. When the filter is installed, the electrical conductor contacts the pump housing to ground the pump allowing operation thereof.

Abstract: A portable liquid filtration system includes a container 22 having a filtering assembly 30 therein and an arrangement for indicating the number of times that the cap has been fitted to the container in order to determine the remaining useful life of the filter. The indicator includes a clutch plate 50 having downwardly extending projections that mate with a plurality of upwardly extending projections on the filtering assembly top 34. The cap includes a vent and may include an arrangement to ensure that the filter is positioned correctly therein. Preferably, the indicator releases the filtering assembly after a predetermined number of uses that approximates the life of the filter.

Abstract: A filtering device including a casing with an inlet space for liquid to be filtered and an outlet space for filtered liquid; a substantially cylindrical filtering element of the disposable type, which is removably placed within the casing to function therein as a liquid permeable partition between the inlet space and the outlet space; a unique information containing micro circuit or chip provided in the filtering element, adapted to function as an identification label and cooperating with a receiver provided in the casing, so as to provide for a periodical or continuous exchange of information between the micro circuit and the receiver. The micro circuit is embedded, at a circumferential location, in an annular seal provided at a terminal edge of the cylindrical filtering element, the seal enabling the filtering element to sealingly engage an annular seat between the inlet space and the outlet space.

Abstract: Red blood cell sensing systems and methods rely upon straightforward measurement geometries. the systems and methods comprise an incident light source, an optical sensor, and a blood collection tube. The systems and methods hold the blood collection tube a predetermined radial distance from the incident light source where a linear relationship exists between sensed reflected light measured by the optical sensor and red blood cell hematocrit in a range of at least 10 to 90. The systems and methods make possible accurate red blood sensing without use of special optical cuvettes, mirrors, or focusing lenses. The systems and methods also make possible the use of standard transparent plastic tubing, without reliance upon special optical cuvettes.

Abstract: A replaceable filter cartridge includes a filter element 24 and an end plate 25 bonded to an end thereof The end plate includes at least two electrical contacts 52, 53 and a key way 67 that includes a relief section 75. Upon proper installation of the filter cartridge into the housing of a filter assembly, a key 41 attached to a centerpost 33 of the housing is received in the relief section of the end plate and the electrical contacts thereof make contact with corresponding electrical contacts in the housing causing a data component 49 to be energized. The data component may include a sensor, data chip, or resistor assembled to an exposed surface of the endplate.

Abstract: Device for treating a fluid, including a number of columns which are arranged on a support frame and through which the fluid is guided. This support frame rotates with respect to the environment and communication with the environment is achieved by means of a valve. This valve encompasses a plate which is rotationally fixed to the support frame and opposite to which there is a plate whose feed and discharge is in communication with the environment. This latter plate, or auxiliary member, can execute a limited reciprocating rotation, in order to achieve an indexing movement with respect to the first plate. These movements are realized with electromotors and wherein position sensors are provided.

Abstract: A recharge and filter assembly includes a housing with a removable recharge and filter cartridge. The housing includes a canister with a removable cover allowing access to the cartridge. The cartridge includes a filter element comprising a ring of media and upper and lower end caps. The upper end cap carries a peripheral seal which provides a fluid-tight seal with the housing canister. An annular channel is provided between an annular portion of the upper end cap and the seal. An annular support member from the cover is received in the annular channel to support the upper end cap. Latching fingers on the upper end cap and a mating ring on the cover removably couple the cartridge to the cover. The cartridge further includes a recharge canister supported by tabs on the upper and lower end caps. Fluid is recharged by inhibitor material, while particulates and other contaminants are removed by the filter media.

Abstract: An apparatus for conditioning fluid. In one embodiment of the present invention, there is an apparatus which comprises two filters and an electrically actuatable switching valve. Fluid provided to the apparatus may be routed to either filter by the switching valve. A controller positions the valve to provide fluid to a particular filter based on a measurement of pressure downstream of the filter, provided that the temperature of the fluid is above a predetermined level. Further, the invention includes proximity switches by which the controller can determine the coupling or uncoupling of a filter from the body. Various fuel heaters are provided for heating the fuel.

Abstract: A replaceable fluid filter cartridge for a filter assembly which includes a housing and a centerpost is designed to include a generally cylindrical filter element having a sidewall which defines a hollow interior and an endplate bonded to one end of the filter element. The housing includes a pair of electrical contacts that are provided at a precise location within a base portion of the housing. A data component, which may be a sensor, data chip, resistor or electrical connection strip, is assembled to an exposed surface of the endplate and is arranged with a pair of spaced-apart electrically-conductive strips. The strips are adapted to make electrical contact with the housing contacts. An electrical contact is made between the data component and the housing contacts such that when the data component is energized, the data component is able to provide filtration data information to a remote station.

Abstract: A highly versatile drive arrangement that drives a linearly reciprocating piston of a water conditioning unit control valve without imparting any significant side loads on the support structure for the piston's drive rod or the associated seals. The drive arrangement includes a reversible electric motor and a motion converter, such as a lead screw arrangement, that converts the rotary motion of the electric motor's pinion or other output element to reciprocating linear motion of the piston. The reversible motor can be controlled, based on signals from a motion monitor such as an encoder, to drive the piston to any desired position within the piston upon command. This, in turn, permits the operation of the water conditioning unit to be optimized for prevailing conditions and permits the control valve's operation to be altered if, e.g., the piston becomes stuck or encounters an obstruction.

Abstract: An oil recovery system, designed to recover oil from oil-contaminated water of a river, lake or sea due to a difference in specific weight between oil and water, is disclosed. The system has an oil-contaminated water inlet unit (10), a segregation tank (15), an oil level sensing unit (100), a movable panel (24), a panel sensing unit (110), and a controller. The system remarkably improves oil recovering efficiency in comparison with typical recovery systems. The system performs the oil recovering process without using any chemicals, so that the system is free from causing environmental pollution. In an embodiment, the segregation tank (15) comprises a plurality of or four chambers (51 to 54), so that the flow of oil-contaminated water in the segregation tank (15) is stabilized. The system also has a plurality of oil floating units (59) and a plurality of horizontal shielding diaphragms (63) in the segregation tank (15), thus reducing the processing time for separating oil from water.

Abstract: A device for reducing water hardness suitable for the use in a household washing machine, in particular a dishwasher, comprising a container within which ionic exchange resins are housed, which provide to reduce the hardness degree of the water lapping them and means for regenerating the softening efficiency of said resins, wherein at least a portion of said resins are contained in a delimited space, a wall of said space comprises a movable or elastic element, means are provided for detecting the movement of said movable or elastic element.

Abstract: A filter unit for coupling in-line with a transmission fluid line is provided for filtering ferrous and non-ferrous particulate matter from the transmission fluid. The filter unit includes a filter element 21 situated within a casing 12. The filter unit has an annular magnet 26 mounted on an end thereof. In an operational condition, the magnet is seated against an inner surface of the casing. As the filter becomes clogged, the filter element moves to a bypass position unseating the magnet from the casing. Fluid then bypasses the filter element but still flows around the magnet which continues to attract and trap ferrous particulate matter. A ferrous indicator flag 49 may be positioned on the outside of the casing when the filter element is in its operational position and is released and falls away as a visual indication of a clogged filter element in the bypass position.

Abstract: A chlorinator for aerobic waste treatment systems that is in functional attachment with a waste stream and that includes a plurality of chlorine tablets therein. The chlorinator includes a cylinder portion that has a plurality of openings therethrough providing fluid communication between the waste stream and the plurality of chlorine tablets so that the waste stream comes into contact with all surfaces of at least one of the chlorine tablets. The chlorinator includes a cylinder portion adapted to hold the chlorine tablets therein, the cylinder portion having a plurality of openings providing fluid communication between the waste stream and chlorine tablets and a cylinder floor. The cylinder floor includes a floor aperture. In one embodiment there is a support disk hinged and oriented over the floor aperture so as to cover the floor aperture and a device to sense the presence of chlorine tablets within the cylinder portion.

Abstract: A fuel filter assembly for the filtering of a flow of fuel includes an outer shell defining a hollow interior and, at a first end, a fuel inlet passageway, a fuel outlet passageway, and a water collection region. The outer shell has a second end which is open and constructed and arranged to be closed by a removable lid. Installed within the hollow interior of the outer shell is a fuel filter cartridge which includes a filter element constructed and arranged for water separation. The filter element defines an interior space into which a fuel transfer pump is installed and which is operable to push fuel through the filter element. Included as part of the fuel filter assembly is a filter detector control circuit including a normally-open filter detector switch which is electrically and operably coupled to the fuel transfer pump. A plunger on the filter detector switch must be depressed in order to close the circuit and enable operation of the fuel transfer pump.

Abstract: A vacuum filter includes a cylindrical filter drum 12 having both a perforate section 14 and an imperforate section 16. The drum is positioned in a tank 20 so that the imperforate section is oriented upwardly therein. A level controller is provided to maintain the level of contaminated fluid below the top of the imperforate section but above the perforate section. A filter belt 54 wrapped around the filter drum is repositioned by rotating the drum when the differential pressure between the interior and exterior of the drum reaches a predetermined value. The inlet ends 35 of the suction pipes 34 are continuously positioned at the lowest point of the drum so that the pump does not lose suction when the drum is rotated thereby facilitating continuous filtration of the contaminated fluid through the vacuum filter.

Abstract: A set of bottles for containing dialysate chemical formulations, chemical cleaning agents or the like is described. The chemical formulation bottles come in two varieties, sodium bicarbonate and liquid acid formulations, each bottle having a slightly different shape. The different shapes cooperate with a bottle mounting structure in the dialysis machine to insure that bottles are correctly installed on their respective bottle opening mechanism. The bottles also have a detection feature comprising either a raised rim or groove extending around the periphery of the bottle. A sensor assembly in the bottle mounting and opening system detects the detection feature. The detection feature is used by the machine to distinguish between dialysate formulation bottles and chemical cleaning bottles, which do not have the detection feature. The detection feature prevents unintentional installation of the chemical bottle on the opening mechanism for the dialysate chemical formulation bottles.

Abstract: A filtering device comprising a casing with an inlet space for liquid to be filtered and an outlet space for filtered liquid; a substantially cylindrical filtering element of the disposable type, which is removably placed within the casing to function therein as a liquid permeable partition between the inlet space and the outlet space; a unique information containing micro circuit or chip provided in said filtering element, adapted to function as an identification label and cooperating with a receiver means provided in the casing, so as to provide for a periodical or continuous exchange of information between the micro circuit and the receiver means. According to the invention the micro circuit is embedded, at a circumferential location, in an annular sealing means provided at a terminal edge of the cylindrical filtering element, by means of which sealing means the filtering element sealingly engages an annular seat between the inlet space and the outlet space.

Abstract: A chlorinator for aerobic waste treatment systems. The chlorinator includes a cylinder portion that has a plurality of openings through which the waste water flows through to make contact with at least one chlorine table. The cylinder portion of the chlorinator also includes an inner surface that is non-reactive with the chlorine tablets and that enables the chlorine tablets to slide thereon. The waste stream comprises septic wastewater, which originates from toilet systems, and gray wastewater, which originates from somewhere other than toilet systems, such as sinks. The chlorinator selectively treats the septic wastewater by contacting it with the chlorine tablets but does not contact the gray wastewater with the chlorine tablets. In the preferred embodiment, a passageway provides fluid communication between the upstream side of the waste stream and the base portion of the chlorinator without directing any of the gray wastewater through the cylinder portion.

Abstract: An apparatus is disclosed for use in a cylindrical pipe connected to a water supply pipe wherein the apparatus uses a plurality of tablets for treating water flowing through the water supply pipe. The apparatus determines and indicates the level of the stack of tablets within the tablet cylinder. The apparatus determines the level of the stack of tablets by a status indicator rod that moves up and down according to the level of the stack of tablets. The level of the stack is indicated by a visual indicator wherein the status indicator rod moves along one or more markings. The level of the stack is also indicated by an audible and/or visual indicator such that as the status indicator rod reaches a predefined level, an electrical connection is made resulting in an alarm being triggered. The alarm may be either an audible alarm and/or a visual notification.

Abstract: A water filtering carafe comprising a raw water reservoir, a filtered water reservoir, and a gravity-flow cyst reduction water filter cartridge for filtering raw water passing from the raw into the filtered water reservoir, the carafe including a mounting receptacle for the filter cartridge which forms a cyst-blocking water seal as the filter is mounted therein, such that the combination of the water seal and water filter cartridge provides at least a 99.95% reduction in particles of 3-4 microns diameter in a charge of raw water passing from the raw water reservoir into the filtered water reservoir.

Abstract: A chlorinator for aerobic waste treatment systems that is in functional attachment with a waste stream and that includes a plurality of chlorine tablets therein. The chlorinator includes a cylinder portion that has a plurality of openings therethrough providing fluid communication between the waste stream and the plurality of chlorine tablets so that the waste stream comes into contact with all surfaces of at least one of the chlorine tablets. The cylinder portion of the chlorinator also includes an inner surface which has a coating that is non-reactive with the chlorine tablets and that enables the chlorine tablets to slide thereon. The waste stream comprises septic wastewater, which originates from toilet systems, and grey wastewater, which originates from somewhere other than toilet systems. The chlorinator also includes a device for selectively treating the septic wastewater with the chlorine tablets and not treating the grey wastewater with the chlorine tablets.

Abstract: An apparatus for associating a solution at an infinitely-variable level and/or flow rate with respect to an agent including an agent amount indicator that promotes agent-solution association adaptable for use in a chlorinator, or comparable component, of a fluid treatment plant. An embodiment configured according to the invention includes a chamber with an inlet and a vertically-inferior outlet. The level and flow of fluid in the chamber is regulated by a weir mounted on the outlet. Fluid in the chamber passes through an agent the retainer maintained in the chamber and washes over the agent, dissolving and depleting the agent. A magnetic follower on top of the agent urges the agent toward the bottom of the retainer. As the agent becomes depleted, the follower approaches the bottom of the retainer until it attains a predetermined distance from a sensor which activates a low-agent-supply alarm.

Abstract: A filter for filtering the lubricating oil in an internal combustion engine. The filter comprises a housing (10) having an unfiltered oil inlet and a filtered oil outlet. A filter element (16) is disposed in the housing (10). A cover (13) is provided with a safety element (20) which effectively prevents the housing (10) from being closed by the cover (13) if the filter element (16) is missing. The safety element is a tipping member affixed to the housing or the cover and which tips under the force of gravity into a blocking position when the filter element is missing.

Abstract: A filtering apparatus and replaceable filter assembly including an electronic filter identification system having an electronic label on the filter and a read-out mechanism on the filtering apparatus. The read-out mechanism is connected to a control unit of the filtering apparatus and the control unit is influenced by the read-out mechanism. The control unit may be actuable only upon disposing a filter in the filtering apparatus having a proper or predetermined electronic label. The filter identification system may also be interactive. The electronic label on the filter includes a read/write memory which can store the number of operating hours of the filter.