Abstract: An apparatus and a method for removing a liquid from a container having a bowl and a flange, the bowl holding the liquid and containing a hydrophilic ophthalmic lens, wherein there is provided a nozzle with a central face and a shoulder around the periphery of the face. The shoulder has a sealing means which is sized to fit on the flange of the container, where it forms a sealed volume above the container bowl, this volume including the volume of the bowl itself. The central face has through it at least one fluid entrance passage and at least one fluid exit passage arranged so that the flow is distributed substantially symmetric about the center axis of the lens so that when the purging fluid is introduced into the sealed volume, there is no migration of the lens. There is connected to the entrance passage a source of purging fluid that has a pressure and flow sufficient to remove substantially all the liquid through the exit passage.

Abstract: Apparatus for cleaning long tubular instruments including an ultrasonically agitated sump containing cleaning solution into which the instrument to be cleaned is placed. A pump and filter arrangement is connected to an end of the instrument to impose a pulsating partial vacuum thereon and draw cleaning fluid through the full length of the instrument. The filtered cleaning solution is then returned to the sump.

Abstract: An apparatus and a method for removing a liquid from a container having a bowl and a flange, the bowl holding the liquid and containing a hydrophilic ophthalmic lens, wherein there is provided a nozzle with a central face and a shoulder around the periphery of the face. The shoulder has a sealing means which is sized to fit on the flange of the container, where it forms a sealed volume above the container bowl, this volume including the volume of the bowl itself. The central face has through it at lease one fluid entrance passage and at least one fluid exit passage arranged so that the flow is distributed substantially symmetric about the center axis of the lens. The apparatus includes a lens retainer which resiliently urges the lens into engagement with the bowl so that when the purging fluid is introduced into the sealed volume, there is no migration of the lens.

Abstract: On a bottle testing apparatus which has a plurality of sampling tubes which can be lowered into the bottles, the said tubes are individually detachable for cleaning. Hence they can be quickly and easily replaced with clean tubes. In addition, an adaptor is provided by means of which a cleaning fluid can be passed through the pipes of the apparatus.

Abstract: A self-cleaning return pump system for use with a clean-in-place system for cleaning vessels includes a recirculation loop for providing flow communication including a return pump, an eductor, and a separator. The return pump is arranged to discharge a liquid through the eductor into the separator and is supplied with a substantially continuous flow of liquid from the separator. A return line provides flow communication between the vessel to be cleaned and a suction port of the eductor. The separator has a top discharge port and a bottom discharge port. The top discharge port is configured to discharge a liquid or a liquid-air mixture therefrom to the clean-in-place system. The return pump causes liquid flowing through the recirculation loop at the eductor to have sufficient dynamic head to draw liquid or a mixture of liquid and air from the vessel through the return line, into the eductor. The liquid or liquid air mixture is discharged into the separator.

Abstract: A system for sanitizing beverage dispensing equipment includes a plurality of beverage sources such as kegs, each connected to a dispensing tap by means of a connecting conduit removably coupled to one of the sources and the tap. A manifold includes a plurality of flexible hoses attached thereto. Each of the hoses has a first end in fluid flow connection with the manifold body and a second end provided with a fitting adapted to be connected to one of the connecting conduits when it is disconnected from its beverage source. A source of solution for cleaning or sanitizing the taps and the connecting conduits is provided. A pump is connected by an inflow hose to the solution source and is connected to an outflow hose which has an output end with a fitting adapted to be connected in fluid flow communication to one of the connecting conduits when it disconnected from its beverage dispensing tap.

Abstract: A system for cleaning totes is disclosed in which each tote has a fill opening at its top and a dispensing valve, both of which are open to an interior chamber of the tote. The system includes a conveyor line having a receiving end and a discharge end and which is adapted to transport the totes from the receiving and to the discharge end. At a first station along the conveyor, the tote is initially drained of any remaining fluid within its interior and the tote is then moved to a second station. At the second station, a wash solution is cycled through the tote in order to clean the interior of the tote. The wash solution is recycled and appropriate fillers are used to remove the impurities from the wash solution. The tote then progressively moves through three rinse stations along the conveyor line in which each rinse station includes a lid attachable to the fill opening of the tote and which progressively rinses the interior of the tote.

Abstract: A washing apparatus includes a pipet-outer-wall washing member embedding a through-hole in which a pipet is loosely inserted, a supply path for supplying washing solution to the through-hole, and a discharge path for discharging waste liquid from the through-hole. It further includes a pipet-interior washing device which connects to the pipet. A washing solution storage chamber is connected to the supply path in the pipet-outer-wall washing member and to the pipet-interior washing device and a suction device is connected to the discharge path of the washing member. The sucking device is used for sucking-up waste liquid which exits the through-hole at a side wall thereof. A waste liquid storage chamber is connected to the discharge path. Finally, a drive device causes at least one of the washing member and the pipet to move relative to the other to vary the relative position of the washing member versus the pipet to thereby allow for washing of the entire pipet.

Abstract: The invention disclosed defined a vertically extending passage through the rotary center of an inner cup or the rotary center of a spinner in a notary chemical treater, disposes a stationary cleaning fluid nozzle in the passage, and injects the cleaning fluid from the nozzle to clean a lid of the rotary chemical treater and the underside of an object treatment within the treater. The underside of the lid and the underside of the objective part are efficiently cleaned, and the need for sealing the movable parts against the cleaning fluid is eliminated because the nozzle is stationary, ensuring the prevention of the cleaning fluid from leaking.

Abstract: A medical tubular shaft instrument with a channel-like cavity is cleaned by drawing a cleaning liquid through the cavity by vacuum suction. The instrument is placed into a holder in a container where one end of the instrument is dipped into a cleaning liquid held in the container. The other end of the instrument is connected to a suction line. A flushing action in the interior of the cavity is created which removes impurities residing there. A device is also proposed which can clean one or several instruments at the same time, and can be folded to a more compact position when not in use.

Abstract: An apparatus mounted on a vehicle frame for cleaning liquids and solids from a sub-surface enclosure. The apparatus comprises a water tank having a drain valve and a feed valve. A water pump is connected to the feed valve that supplies water to a high pressure cleaning device used for loosening waste solids in the sub-surface enclosure. A suction pump connected to a suction hose removes the waste from the sub-surface enclosure and directs it to either of two waste tanks through a valve configuration comprising an inlet valve connected to one waste tank and a second inlet valve connected to the other waste tank. The two inlet valves selectively allow the waste removed from the sub-surface enclosure to enter either the first waste tank, the second waste tank or both. A method for cleaning the sub-surface enclosure is also provided.

Abstract: A system for washing a tank and recovering and treating residual tank liquid includes a first system unit equipped with a suction device for sucking and discharging residual tank liquid, a second system unit equipped with an oil-water separator for separating oil from the discharged residual liquid, a device for treating the separated oil and a supply source for supplying a washing liquid into the tank, a third system unit equipped with an inert gas generator, and first, second and third conveyance mechanism for conveying the first, second and third system units to the tank to be treated.

Abstract: A sewage collection and disposal system for a passenger transport vehicle comprises a sewage collection tank having a sewage inlet connected to a sewer pipe of the vehicle and a sewage discharge outlet for draining sewage from the sewage collection tank under control of a drain valve. A cleaning liquid supply pipe connects a source of cleaning liquid under pressure to a cleaning liquid supply connection for introducing cleaning liquid into the sewage collection tank. A precharge tank that is in fluid communication with the sewage collection tank is also connected to the cleaning liquid supply pipe, whereby cleaning liquid is supplied to the precharge tank when cleaning liquid is supplied to the cleaning liquid supply member. A blower establishes a partial vacuum in the sewage collection tank when the drain valve is closed, whereby pressure difference between the precharge tank and the sewage collection tank forces cleaning liquid present in the precharge tank into the sewage collection tank.

Abstract: This invention is a dental cleaning device disposed within a visually attractive furniture grade cabinet. The cleaning tank within the device is kidney shaped with a pair of inlets that direct a circulating liquid upwardly and inwardly from an area adjacent the bottom of one end of said tank. At least one liquid outlet is provided at the opposite end of said tank and connected to a circulating means such as a circulating pump so that a continuous flow of liquid can be accomplished across dentures placed in the tank, The kidney shape of the tank causes eddy currents to flow off of the main swirling inlet to outlet liquid circulation to further clean the various areas of the dentures.

Abstract: An apparatus (1) is used for cleaning the fuel injection system of a motor vehicle. The apparatus (1) includes an adaptor body (3) which fits onto a container (2). The adaptor body (3) has an inlet port (6) and an outlet port (7) which connect the interior of the container (2) to the fuel system of the motor vehicle. The outlet port (7) has an extension pipe (16) which has an opening adjacent the bottom of the container (2) while the inlet port (6) opens adjacent the top of the container (2). The apparatus (1) is used to direct cleaning solvent (26) to the fuel system of the motor vehicle.

Abstract: A continuous-filtering fryer apparatus for and process of continuously filtering of cooking oil while cooking having a tank with a bottom and side walls extending from the bottom, an inlet port extending into the interior of the tank, an outlet port affixed to the tank and in communication with an interior of the tank adjacent a bottom of the tank, a pump connected to the inlet port and to the outlet port so as to draw cooking oil from the tank and to pass the cooking oil to the inlet port, heating elements extending into the interior of the interior of the tank, and a filter plate attached to the inlet port adjacent to the bottom of the tank for removing particles from the cooking oil. The inlet port is positioned so as to be below the level of cooking oil in the tank. The filter plate has a first mesh screen, a second mesh screen, and a layer of porous material sandwiched between the mesh screens.

Abstract: A method and an apparatus are provided for complete fluid exchange and internal system flushing of an automatic transmission system as the transmission system operates. The apparatus is connectable to the transmission system and, in a preferred embodiment, is operable at an adjustable output fluid flow rate and pressure setting to act as an independent fluid supply and storage system for the automatic transmission system in the course of a fluid exchange and flushing operation. In addition to its application to an automatic transmission system, the apparatus of the present invention can be used to flush the fuel system of any internal combustion engine.

Abstract: Flushing apparatus for internally cleaning internal combustion engines includes an adapter system with sets of both oil port filter port and oil drain plug port adapter sets. For a kigiven engine a selected oil filter port adapter couples the fluid conduit from the flushing apparatus to the oil filter port on the engine block with the adapter allocating the flow of fluid between the two passages in that oil filter port in a predetermined ratio, approximately a ratio of 4 to 1, irrespective of the diameter of the oil filter port passages. A universal coupling member to which the adapter attaches is formed of two parts rotatably mounted to one another and includes a rotary gland. The companion set of oil drain plug port adapters for the flushing apparatus includes a universal coupling member of like construction.

Abstract: An automatic pipetting device comprising only one pipetting needle having a tip end and an open end. The device comprises a metering syringe having an outlet. The device also comprises a mechanism for cleaning the pipetting needle with a cleaning fluid when the pipetting needle is positioned in a cleaning position. The mechanism comprises a plunger pump, a second tube having a first end and a second end, a first valve, a second valve, and a third tube having a first end and a second end, the second end of the tubing immersed in a cleaning fluid. The second end of the first tube is in fluid communication with both the outlet of the metering syringe and the first valve. The first end of the second tube is in fluid communication with the first valve. The second end of the second tube is in fluid communication with both the plunger pump and the second valve. The first end of the third tube is in fluid communication with the second valve.

Abstract: Engine cleaning is affected at different times while the engine is running. Apparatus for cleaning internal combustion engines cyclically draws cleaning fluid from a reservoir by a pump, flushes the fluid through the block of the internal combustion engine, and returns the fluid to the reservoir. Tank selection valves alternately couple one of a pair of reservoir tanks to the pump, to the exclusion of another tank. One tank can be dedicated for use to clean gasoline powered internal combustion engines to preserve the characteristic color of the cleaning fluid, while the other tank can be utilized to clean diesel powered internal combustion engines. The system is operated through first flushing and soaking periods and through second flushing and soaking periods. A first tank in a pair is used to initially pump and recover cleaning fluid during the first flushing and soaking periods.

Abstract: A conduit system for spraying cleansing and rinsing liquids on a machine for processing containers such as bottles has vertical conduit columns arranged around the machine with liquid infeed conduits confluent with the lower end of at least some of the conduit columns and opposite ends of the infeed conduits are closed by welding to a support plate that is bolted in non-interfering locations to the legs of a machine table below the level of the bottle transporting rotor. Further support for the conduit columns is obtained with pipe arms that do not conduct liquid but have opposite ends welded to the support plate and to the conduit column, respectively. Conduit struts connect between uppers ends of the conduit columns. The conduits have a series of nozzles aimed for spraying all regions of the machine that must be cleansed and sterilized intermittently or continuously.

Abstract: A fluid collection and disposal system which includes a reusable collection unit designed to be cleaned by a servicing unit after use. The servicing unit performs an automatic servicing cycle to remove the collected fluid from the collection unit and prepare it for reuse.

Abstract: A gas exhaust system for use in a semiconductor manufacturing process wherein mechanical or chemical processing is applied on silicon wafers or the like arranged in a air-tight process chamber thereof, comprises a vacuum chamber having a gas suction port formed on an upper side thereof and a gas exhaust port formed on a lower side thereof. In the vacuum chamber, the first and second rotors are arranged vertically and supported rotatably at their lower end port ions in a cantilevered condition. The first and second rotors are driven to rotate in the opposite directions to thereby form a certain degree of vacuum condition in the vacuum chamber, whereby the residual gasses in the process chamber are discharged therefrom through the gas exhaust system.

Abstract: An injection type chemical sprayer (30) including interior and exterior cleaning systems. The interior cleaning system can include a rinsing nozzle (58) located within the concentrated chemical tank (52). Rinsing nozzle (58) can be selectively connected to the pressure side of a spray pump (34). The chemical rinsate can be dispensed by means of a rinsate pump (64) in combination with a rinsate nozzle (66). Following the rinsing operation, the concentrated chemical tank (52) can be reconnected to an injection pump (56), and then the concentrated chemical tank (52) can be filled with clean water which is then pumped through the injection system to completely flush it of the chemical being injected. System (30) also preferably includes an exterior cleaning system which can include a spray gun (60) selectively connected to the pressure side of the spray pump (34).

Abstract: A cleaning system for cleaning a plurality of service tanks located at different sites spaced widely apart from each other. A set of storage tanks is located at one site, for storing cleaning solutions, each cleaning solution being recirculated through a respective recirculating line from each storage tank. The cleaning system further includes cleaning stations, one for each service tank assembly, each located close to its respective service tank assembly, each cleaning station having a connection to each recirculating line. Each cleaning station includes a wash/motive tank for a washing liquid, a rinse tank for a rinsing liquid, and an outlet line leading from each of the wash/motive tank and the rinse tank. Liquid is conveyed from the outlet lines of the wash/motive tank and rinse tank to the respective service tank assembly via a feed line. A return line is adapted to return liquid from the respective service tank assembly. An eductor has a vacuum opening connected to the return line.

Abstract: The system of the present invention is an all-automated and all hands-free, flushing module with the capability of performing an internal cleansing of internally soiled components of a patient support apparatus configured for one or more of the care, maintenance or treatment of a patient. The system is configured with at least one bay to receive a patient support apparatus to be cleaned. The system is designed so that additional bays can be used to clean two or three patient support apparatus at one time. The system includes hoses supplying liquid into the bed's internal surfaces that come into contact with substances associated with one or more of the care, maintenance and/or treatment of a patient on the patient support apparatus. The system automatically goes through a flush cycle, a wash cycle and a rinse cycle. The system has extra compartments for jug washing.

Abstract: A cleaning apparatus for cleaning the burning chambers of engines to remove carbon monoxide deposits and other accumulated residue therefrom. The apparatus includes a holding tank for containing a predetermined amount of cleaning solvent, a nozzle having a nozzle tip with a discharge outlet and a suction inlet, a supply line connecting between the holding tank and the outlet and a first pump for transferring solvent under pressure from the holding tank for discharge from the outlet into the burning chamber. A return line connects between the inlet of the nozzle and the holding tank and includes a second pump connected in-line for creating a suction at the inlet, causing solvent to be transferred back to the holding tank. An air supply line from a compressor connects to the solvent supply line via a three-way valve for selective discharge of pressurized air into the burning chamber to facilitate drying thereof after washing with the solvent.

Abstract: An apparatus and method are disclosed for cleaning and removing particulates from underground liquid fuel storage tanks which typically have restricted access openings to the interior thereof. The apparatus is provided with a main fuel pump having an inlet and outlet, an inflow passage communicating with the pump inlet for conducting fuel to the pump from an underground liquid storage tank, and an outflow passage communicating with the pump outlet for returning fuel from the pump to the same underground tank. The inflow passage is provided with protective strainer and a jet pump for increasing and maintaining the rate and velocity of fuel flowing therethrough to the main pump.

Abstract: A continuous-filtering fryer apparatus for continuous filtering of cooking oil while cooking having a tank with a bottom and side walls extending from the bottom, an inlet port extending into the interior of the tank, an outlet port affixed to the tank and in communication with an interior of the tank adjacent a bottom of the tank, a pump connected to the inlet port and to the outlet port so as to draw cooking oil from the tank and to pass the cooking oil to the inlet port, heating elements extending into the interior of the interior of the tank, and a filter plate attached to the inlet port adjacent to the bottom of the tank for removing particles from the cooking oil. The inlet port is positioned so as to be below the level of cooking oil in the tank. The filter plate has a first mesh screen, a second mesh screen, and a layer of porous material sandwiched between the mesh screens.

Abstract: Cleaning apparatus 10 comprises an enclosed washtank 12 and a screen loading unit 13. A pump is arranged to deliver high pressure heated water to an internal screen cleaning nozzle arrangement 14 and a ring-shaped external screen cleaning nozzle arrangement 15 which nozzle arrangements 14, 15 are arranged in a gap 19 between a screen support skid 16 and an entry screen support skid 17. The nozzle arrangement 14 is arranged to direct a spray of water outwardly; the nozzle arrangement 15 is arranged to direct a spray of water inwardly. In use, a cylindrical printing screen to be cleaned is pushed into the apparatus whilst high pressure heated water is being delivered by the internal and external nozzle arrangements 14, 15. As each portion of the screen is disposed opposite the gap 19, between support skids 16 and 17, that portion of the screen is washed on its inside and outside by water directed from the nozzle arrangements 14 and 15 respectively.

Abstract: A single motive pump, clean-in-place system is disclosed for use with an associated piping system and with a vessel to be cleaned of contaminating material. The system comprises a recirculation loop, a return line from the vessel to the recirculation loop, and a feed line from the recirculation loop to the vessel. During a wash recirculation cycle, the system uses a single motive pump to provide recirculation flow, feed flow, and, via an eductor pump, return suction from the vessel. An alternate embodiment of the clean-in-place system uses a water storage tank when adequate water flow rate or supply pressure are unavailable.

Abstract: An apparatus for washing paint spray guns and associated equipment with a liquid solvent for the purpose of cleaning and removing paint therefrom after use in painting operations. The apparatus includes a cleaning chamber having solvent dispersing nozzles therein, the nozzles being structured and disposed for spraying the liquid solvent onto exterior and interior surfaces of the spray gun, paint canister and other equipment supported within the cleaning chamber for cleaning thereof. The used solvent is collected in a holding chamber having a float switch therein which activates a solenoid controlled valve upon the used solvent reaching a predetermined level, releasing the contaminated solvent into a distillation chamber for boiling. Purified vapors pass through a condenser where they are cooled to a liquid state, yielding pure solvent which is directed into a clean solvent tank. A pump circulates the purified solvent from the clean solvent holding tank to the dispersing nozzles in the cleaning chamber.

Abstract: A scouring system for automatically scouring an empty liquid reservoir, for example, a flood basin, includes at least one scouring liquid chamber with a scouring opening in communication with a siphon-like scouring duct. Any liquid contained in the scouring liquid chamber is retained in the scouring liquid chamber by means of atmospheric pressure when the liquid level drops in the reservoir. An air inlet opening which can be closed by a ventilating valve is provided in the ceiling of the scouring liquid chamber. The ventilating valve includes a pressure box with a diaphragm which is deformed when compressed air is applied and closes the air inlet opening. A vacuum blower is connected to the scouring liquid chamber through an intake line and to the ventilating valve through a pressure line. The vacuum blower initially closes the ventilating valve, the scouring liquid chamber is evacuated and filled with scouring liquid.

Abstract: A self-cleaning system and method for a whirlpool includes a whirlpool basin having inner and outer surfaces, a drain, closable nozzles for introducing a water/air mixture into the basin, a water circuit, an air circuit, and a one-way valve that couples the water circuit and the air circuit. Hot and/or cold water sources are connected to the air circuit for introducing water into the basin via the air circuit, the one-way valve, the water circuit, and the opened nozzles. A detergent dispensing unit is also connected to the air circuit for use during a self-cleaning mode. In a whirlpool mode, hot and/or cold water is introduced into the basin by water flow through the air circuit, the one-way valve, and the water circuit. Water is withdrawn from the basin through an inlet into the water circuit, mixed with air provided from the air circuit, and reintroduced into the basin under pump-supplied pressure as a water/air mixture.

Abstract: A powered cleaning apparatus is provided for routine cleaning of both moderately soiled and severely stained toilet bowls. The device comprises a motor, fluid pump, and cover universally mountable on toilet bowls, and provides a continuous recirculated spray of cleaning solution fluid onto all interior toilet bowl surfaces. The continuous contact of cleaning solution fluid cleans the interior bowl surfaces without manual effort.

Abstract: A whirlpool system includes a basin defined by basin walls; a pipe system including a central conduit and nozzles coupled to the central conduit and situated in the basin walls and having nozzle outlets directed to the basin; a pressure generator coupled to the central conduit for supplying the nozzles with water and/or air; a mist generator for generating a fluid mist under influence of temperature at normal atmospheric pressure; and an intake conduit coupling the mist generator to the central conduit in a zone of the pressure generator for disinfecting the pipe system and the basin.

Abstract: The invention relates to a method for the removal of viscoelastic rubber residues from deep holes. The cleaning tool is suggested in the form of a jet of fluid droplets. The fluid is accelerated by a high-pressure pump and a narrow valve to a velocity above the speed of sound of the material to be removed. The distance between the valve and the hole to be cleaned is made greater as the valve cross-section is made smaller in relation to the cross-section of the hole to be cleaned.

Abstract: Apparatus for cleaning an internal passage of an article, such as a fuel passage of a gas turbine or other engine. The apparatus comprises a container for containing cleaning fluid, means for communicating a first end of the passage to the cleaning fluid in the container, and cleaning fluid conduit means communicated to a second end of the passage in a manner to draw cleaning fluid from the container to flow through the passage from the first end toward the second end in response to flow of cleaning fluid through the conduit means. The apparatus includes means for blocking flow of cleaning fluid through the conduit means so as to direct the cleaning fluid therein to flow through the passage from the second end toward the first end and into the container.

Abstract: A compact cleaning plant is provided which has great cleaning effect and is self-cleaning. The apparatus according to the invention has a conical stationary part (1) mounted on the inlet pipe for the cleaning liquid, and on which there is suspended a 90.degree. pipe bend (16), the end of which has a hub (11) with nozzles (12) mounted in a rotatable manner in relation to the pipe bend. In this housing, there is contained a turbine (23) which drives a planet gear (15, 27) for turning the pipe bend (16), while at the same time the hub (11) is turned by means of toothed rims (8, 13) enclosed within the housing (1, 16, 11). The housing is also provided with outlet openings (35) and outlet slots (36, 37) for that part of the liquid (39) which serves to lubricate and clean the bearings, said openings and slots being positioned and configured in such a manner that the diverted out-flowing liquid also sweeps all of the housing's external parts.

Abstract: A robotic tank cleaning system is provided, comprising a light-weight, collapsible, and robotically controllable frame having an articulatable washing nozzle for spraying a petroleum-based solvent on a surface to be cleaned. Hydraulic power and control units are also provided which allow an operator to control the motion of the frame and washing nozzle from outside the tank, as well as a solvent supply system for delivering solvent to the washing nozzle. A hoisting mechanism is included to allow placement and retrieval of a waste removal pump, and a clearing blade is attached to the frame to assist movement of waste material to the waste removal pump. Waste material comprising dislodged oil sludge and expended solvent is collected in waste fractioning tanks where the collected oil sludge is allowed to settle below the expended solvent. The separated solvent in the waste fractioning tanks is redirected through the solvent supply system and is reused for further spraying of the tank interior.

Abstract: An apparatus useful for providing a plurality of chemical compositions useful to clean an item, e. g., a tank, comprises a plurality of reservoirs each containing a concentrated form of a different chemical composition and each having an outlet through which the concentrate exits the reservoir; a subsystem for providing diluent to the concentrates which exit the reservoir to form the chemical compositions; and a control subsystem to automatically control the time during which each concentrate exits from each reservoir. A method for providing chemical compositions useful to clean an item is also disclosed.

Abstract: A swimming pool debris collection trap for separating debris from water passing through a pool water recirculating system.The collection trap is located at poolside below pool deck level and comprises a tank having upper and lower seats dividing the tank into upper, lower and intermediate chambers.The intermediate chamber between the seats is connected to the pool by a trap suction line. Water from the suction line flows into the open upper end of a foraminous container resting upon the lower seat and extending into the lower chamber. The container traps debris but allows water to flow into the lower chamber for return to the pool through a trap discharge line.The container is removable through a cap opening provided in the intermediate chamber and normally closed by a sealing cap.A balance passage connects the pool to the upper chamber for filling it with water to a level above the upper seat.

Abstract: An apparatus for washing pellets of magnetic particles magnetically bound to the bottom of a test tube employs a liquid handling probe having an aspiration channel with a forked inlet for positioning the probe onto the periapical region of the test tube for optimizing both the aspiration and expression of liquids. While contacting the periapical region of the test tube, the forked inlet may aspirate liquid adjacent to the pellet without contacting the magnetic particles. Furthermore, the contact between the forked inlet and the periapical region of the test tube, serves to position the outlet of the liquid channel directly over the pellet for dislodging and resuspending the magnetically bound pellet with a forceful stream of wash liquid.

Abstract: A liquid applying system according to the present invention comprises a liquid supply source and a nozzle communicating with the liquid supply source. The nozzle comprises a liquid storing portion for storing a liquid supplied from the liquid supply source, a number of small passages communicating with the liquid storing portion, each of the small passages having a transverse section which is smaller than that of the liquid storing portion, and a slit-like passage communicating with the small passages, in which liquids from the small passages flow together and from which the liquids are continuously discharged like a curtain toward a semiconductor wafer.

Abstract: A valve bushing cleaning device for cleaning a valve bushing while the bushing is situated in a valve bore of a valve body, such as in a railway vehicle brake apparatus and a method for cleaning such valve bushing. The cleaning device comprises a hollow cylindrical conduit having a first open end attachable to a source of pressurized fluid and a second closed end. The conduit has a recessed portion with fluid passageways through the wall thereof and structure for securing a sealing member on each side of the fluid passageways. In the method, the closed end of the cleaning device is inserted into a valve bushing disposed in a valve bore of a valve body, with pressurized fluid forced through the conduit, out of the fluid passageways, and through apertures in the valve bushing, with any solids picked up and carried by the fluid through passages formed in the valve body.

Abstract: A cleaning device cleans cell accumulations or sediment or cell accumulations with sediment in cuvettes of a microtiter plate. A liquid container supplies a cleaning liquid to a plurality of charging pipes with a pump. The charging pipes dropwise feed the cleaning liquid to the cuvette. Preferably the charging pipes are obliquely disposed relative to the walls of the cuvettes and have a cross-sectional expansion at their discharge openings to enhance the formation of drops. A plurality of pipettes are also provided for suctioning off the cleaning liquid provided to the cuvettes by the charging pipes. The pipettes are capable of having the immersion depth thereof in the cuvettes controlled so as to follow the level of the cleaning liquid down in the cuvettes.

Abstract: An apparatus for treating a package container blank with a fluid is disclosed and includes a rotary portion provided with a plurality of chambers for receiving the blanks and a fixed portion having a stator surface that faces the rotary portion. The fixed portion is provided with an arrangement that opens to the stator surface for supplying fluid so that upon successive rotations of the rotary member, the chambers will successively align with the arrangement for supplying fluid so that fluid is thereby supplied to the chambers.

Abstract: A method and apparatus for removing sediment such as leaves and debris from a pool by inducing turbulence in the pool water to stir up the sediment within local regions of the pool, and directing a steady jet of water from a stationary jet to provide a fixed direction gathering stream or pathway to capture and carry the sediment to the inlet of a leaf receiver which is fixed in position at the end of the pathway. Local area turbulence can be achieved in various ways, including the use of manual sweep brooms, water jet propelled devices carrying flexible sweep hoses, or an arrangement of rotary nozzles operative to sweep across and induce turbulence over camparatively large local regions of the pool. The leaf receiver in connected by a conduit to an externally located foraminous leaf collector mounted in a collector tank from which water is pumped, leaving the collected leaves in the leaf collector. An access cover in the pool deck can be opened to reach and withdraw the leaf collector for emptying.

Abstract: An apparatus for transmitting infections medical waste to a sewer without personnel exposure employing a closed container having a waste tube and a suction tube extending thereinto. The waste is transmitted from an endoscope or other source into the container and the container is drained to a sewer under control of a vacuum applied to the inside of the container. The automated container drainage affords virtually unlimited container volume for improved cleaning of instrument internal channels.

Abstract: A sparger system for removing sodium chlorite crystal and other crystalline particulate material in slurry form from a tank car comprises a plurality of spray nozzles from which water is expelled as a flat spray initially to dissolve sodium chlorite so as to cavitate the mass of sodium chlorite crystals, which break off in lumps into the cavity and then to impact the walls and roof of the tank car to flush off residual sodium chlorite crystal. The slurry is collected in a sump and is discharged therefrom, with additional sprays agitating the sump to break up clumps of sodium chlorite and to maintain the particulates in suspension.