Abstract: The Make-Up Holder/Travel Kit is a new invention that is made of durable fabric on the front of the product, with pockets made of the same fabric. The backing is made of a cotton material. By design, the unit can be transformed into a self-contained traveling unit. We have invented and designed a product that: 1. Holds make-up supplies and various other toiletries in pocketed compartments 2. Is adjustable and can be worn around the neck during the application process 3. Can be hung on standard bedroom and bathroom door knobs, until needed 4. Converts into a self-contained travel kit 5. Reduces the mess and spills normally found when using traditional make-up pouches 6. Allows consumers to wear the unit and move about freely from room to room when necessary The Make-Up Holder/Travel Kit is a product that is used to conveniently hold make up supplies and other light weight toiletries in one single unit.

Abstract: A cosmetic applicator includes a handle, a drive coupled to the handle, an applicator head coupled to the drive, and a torque limiter coupled to or within at least one of the drive and the applicator head such that the torque applied via the applicator head does not exceed a predetermined allowable torque.

Abstract: A single-wafer cleaning procedure has the steps of providing an etched wafer comprising a photo resist pattern on a front surface of the etched wafer, performing an ashing process to remove the photo resist pattern, hoisting the etched wafer to cool down the etched wafer, and performing a dry cleaning process upon the hoisted etched wafer when the etched wafer is cooled down.

Abstract: The dispensing end of a concrete handling mechanism is positioned over a catch basin while a stream of washing water is directed at the working surfaces thereof so that the wash residue falls into the basin. The agitated liquid portion containing the reactive constituents of the concrete entrained therein are then passed into a collection enclosure through slotted filter housings that exclude the larger constituents of the concrete including sand and aggregate which further accumulate at the slots to form decanting weirs over which the liquid passes. The liquid collected in the enclosure may be concurrently pumped out while the accumulated aggregate residue is collected and disposed.

Abstract: Object of the present invention is to provide a dishwasher and a method for controlling operation thereof. The dishwasher includes a body having a washing chamber for washing dishes, at least one rack in the washing chamber for placing dishes thereon, at least one reader unit for sensing information on dishes on the at least one rack, and a control unit for controlling operation of the dishwasher with reference to information on the dishes sensed at the reader unit.

Abstract: The invention relates to a method for guiding an automatic cleaning device for a surface submerged in a liquid. Changes in the device's inclination are detected; these changes correspond to its passage into a concave junction zone between two submerged surface portions (30 and 31) inclined relative to each other. Upon the condition that at least one change of the device's inclination is detected, a specific cleaning method for the junction zone is begun. The invention extends to a device making it possible to implement this method.

Abstract: The invention relates to a method for controlling an automatic device for cleaning a surface immersed in liquid which comprises electric motors for driving a chassis along a cleanable surface. The inventive method consists in periodically measuring at least one electrical quantity which makes it possible to obtain the representative value of the resisting torque of at least one driving electric motor (7), in comparing each obtained value with the predetermined threshold representative value of a maximum acceptable value and, when said value is greater than said threshold value for the driving electric motor (7), a procedure known as a protection procedure is started.

Abstract: The present invention is a composition for removal of multi-layer photoresist layers on an electronic device substrate for rework of the photoresist on the substrate, comprising; (i) a solvent blend of at least three discrete solvents, (ii) at least one organic sulfonic acid, and (iii) at least one corrosion inhibitor. The present invention is also a method for using the composition. This composition and method succeed in removing such multi-layer photoresist at temperatures less than 65° C. and in contact times under three minutes, allowing high throughput on single wafer tools.

Abstract: A method for removing pipe tuberculation includes the initial step of preparing an access point in the existing pipe by digging to the pipe and sawing a section from the pipe or creating an access port. The section of the pipeline to have its tuberculation removed is isolated by closing valves or creating another access point and sealing the end. Then, a reaming tool is introduced to the interior of the pipe. The reaming tool is attached to a hollow rod string capable of producing moderate thrust and pullback force, and must also produce sufficient torque when rotated. A horizontal directional drilling or “HDD” machine on the surface or in a pit dug out for this purpose applies the aforementioned forces to the rod string.

Abstract: A method of making a dishwashing cleaning composition is disclosed. The method includes: providing ingredients for a dishwashing cleaning composition; providing a polymer selected from the group of: at least one first monomer and at least one second monomer, the first monomer being selected from the group of acrylate, substituted acrylate, maleate, or substituted maleate, and the second monomer being selected from styrene or substituted styrene, wherein the weight ratio of the first monomer to the second monomer is from 80:20 to 20:80; polyvinyl pyrrolidone; polyvinyl pyridine N-oxide; lignin-sulphonate; polyethylene-imine alkoxylates; and mixtures thereof; and combining the ingredients and the polymer to form a dishwashing cleaning composition that is capable of removing grease and oil from plastic dishware. In addition, a dishwashing cleaning composition is disclosed that comprises from 0.

Abstract: A method and apparatus for cleaning, rinsing and Marangoni drying substrates is provided. A line of fluid is sprayed along a substrate surface forming an air/fluid interface line, and a line of drying vapor is supplied to the interface line to achieve Marangoni drying. Thus, a large portion of the substrate is simultaneously dried. A preferred apparatus employs a tank of cleaning and/or rinsing fluid. Above the tank fluid a source of rinsing fluid directs rinsing fluid to the surface of a substrate forming a meniscus on the substrate surface as the substrate is lifted from the cleaning fluid, and a drying vapor source directs drying vapor to the meniscus. The drying vapor lowers the surface tension of the meniscus, inducing a Marangoni flow of rinsing fluid from the substrate's surface, and thereby drying the substrate. The cleaning fluid tank has a substrate receiving and cleaning portion and a substrate rinsing portion.

Abstract: A system and method for sanitizing articles including a rectangular apparatus defining an enclosure through which the articles may be transported, a tank for sanitizing solution, sprayers for spraying sanitizing solution on the top and bottom of articles in the enclosure, and a container for catching used sanitizing solution; a mechanism for moving the articles through the rectangular enclosure from the first entry end and out of the enclosure at the second exit end; a mechanism for automatic triggering of release of water from the tank when an article enters the enclosure; a mechanism for carrying used water to either the container for sanitizing solution or a drain system; and a sanitizing solution capable of disinfecting the articles when sprayed on the articles without requiring rinsing of the articles after the articles have been sprayed with the sanitizing solution.

Abstract: In accordance with the teachings of the present invention a system and method for spray cleaning ceramic packages are provided. In a particular embodiment, the system includes a process chamber, a turntable operable to rotate within the process chamber, at least one cassette operable to be coupled with the turntable and configured to hold one or more ceramic packages, and a spray post operable to distribute a cleaning solution onto the one or more ceramic packages. In a particular embodiment, the method includes loading a plurality of digital micro-mirror device ceramic packages into a process chamber of a spray cleaning system, spraying the ceramic packages inside the process chamber with a cleaning solution, rinsing the ceramic packages inside the process chamber with a rinse solution comprising water, draining the process chamber of the cleaning solution and rinse solution, and drying the ceramic packages inside the process chamber.

Abstract: An aerosol-deliverable formulation comprises a liquid abrasive composition having a viscosity of 1000 mPas or less, and a propellant. The formulation provides effective, and unexpected, suspensions of abrasives that do not settle from the suspension to form a hard cake of non-redispersible solid material.

Abstract: Disclosed is a composition for removing a photoresist which contains a reaction product of a primary or secondary organic amine having a hydroxyl group with an ethylene carbonate, propylene carbonate, ?-butylolactone, 1,3-dihydroxy-2-propanone, or a monovalent or divalent carboxylic acid, if necessary an organic amine, and a water-soluble organic solvent and/or water. This composition is capable of removing a photoresist with high performance and preventing corrosion of a metal wiring material. By using such a composition, there occurs no problem such that impurities precipitate and adhere to the substrate or the like during water rinsing after removal.

Abstract: The present invention relates to dishwashers, and more particularly, to a dishwasher and a method for controlling the same, which can measure turbidity of the washing water, and control operation of the dishwasher with reference to the turbidity detected thus, to prevent wasting of water, and optimize a washing time period. The dishwasher includes a sump for holding washing water, a washing pump for pumping the washing water to provide a portion of the washing water to dishes to be washed through a main flow passage, and a turbidity sensing means for sensing turbidity of the washing water, wherein the turbidity sensing means is positioned at a sampling flow passage through which the other portion of the washing water passes.

Abstract: A dishwasher is provided. The dishwasher includes a tub, a sump, and a sealing member. The tub includes a washing space, and the sump is coupled to a lower portion of the tub. The sealing member is interposed between the tub and the sump, and includes a protrusion contacting one of the tub and the sump to prevent a washing water leakage.

Abstract: A dishwasher includes a housing having a washing chamber and an access door, a plurality of legs supporting the housing, a pump and a drive motor provided in a cavity between the legs and below the housing, a plate closing a front side of the cavity, an insulator provided between the plate and the pump and drive motor and a first side shield closing a first side of the cavity.

Abstract: A dishwasher with a system for filling level recognition may be achieved which reliably determines the fluid level inside the dishwasher without the use of moving parts, whereby the dishwasher is provided with at least one capacitive filling level sensor for recognition of the fluid level of the rinsing fluid contained in the dishwasher, the electrical capacitance of which changes depending on the height of the fluid level. The fluid level in the dishwasher can thus be reliably determined without the need for moving parts and merely by the use of electronic components.

Abstract: A machine for cleaning the inner walls (66, 75) of a receptacle (12), includes several cleaning stations of which one is fitted with an insufflation tube (36) that is connected to a source of pressurized gas and that is provided with a nozzle (38) insufflating the gas towards the inner walls (66, 75) of the receptacle (12) during a cleaning cycle including an ascending phase and a descending phase (Pd) of the insufflation tube (36), the nozzle (38) having an annular peripheral slot (64) that is capable of forming a peripheral jet (f2) of gas of generally frustoconical shape directed towards the inner side walls (66) of the receptacle (12) and towards the bottom, and the peripheral jet (f2) being triggered for at least a part of the descending phase (Pd).

Abstract: An umbrella (1) in which the canopy is supported, tensioned and retained on a frame without any external points. The ends of conventional ribs (6,7) are provided with force spreading components (8) which are located within pockets (9) at the periphery of the umbrella canopy (3). As the umbrella is erected, the force spreading components open to provide a surface which pushes outwardly against a bearing surface formed between a pocket and the canopy, which “spread” outwards. The spreading of the components (8) is initiated by the radially outward movement of slidable tubes (7) upon inner rods (6) attached at their inner ends to the shaft (2) of the umbrella. Inner rods (6) and outer tubes (7) together form the ribs or spokes of the umbrella which are supported and raised/lowered by primary struts (11) connected between the ribs and a primary shaft slider (12).

Abstract: The water exclusion system for a tent comprises a liquid proof sheet sized to exceed the base dimensions of a tent; and one or more fasteners for attaching said sheet to the walls of said tent to form a liquid proof tub containing the base and a lower portion of the tent walls.

Abstract: A method and system for environmental control and supplementary power generation in conventional and hybrid vehicle applications is presented. A thermoelectric heat pump function regulates vehicular interior temperature environments and uses the waste heat from a vehicles engine to power thermocouples and generate supplemental electrical current to power electrical devices. Thermocouples are used to gauge changes in temperature. The Peltier Effect is used to provide both primary cabin environmental control and supplementary power generation for motorized vehicle applications. Thermoelectric generators can be used for both primary internal climate control and supplementary power generation in the vehicular environment.

Abstract: A thermoelectric module device includes a first substrate having inner and outer surfaces, a second substrate having inner and outer surfaces, a Peltier-junction module sandwiched between the inner surfaces of the first and second substrates, the Peltier-junction module being made up of a series of Peltier junctions including a pair of outermost Peltier junctions, a pair of power supply electrodes connected to the pair of the outermost Peltier junctions, respectively, and a metallization layer provided on the outer surface of the second substrate for being soldered to a package, the metallization layer being divided into spaced first and second portions which correspond to the Peltier-junction module and the pair of power supply electrodes, respectively.

Abstract: A thermal-recycling system is adapted for use with a motor vehicle that has a heat generator generating heat when the motor vehicle is running. The terminal-recycling system includes a thermoelectric cooling module adapted to be in thermal communication with the heat generator for transforming the heat generated by the heat generator into electricity, and a power control unit connected electrically to the thermoelectric cooling module and a rechargeable battery and receiving the electricity from the thermoelectric cooling module so as to enable charging of the rechargeable battery using the electricity from the thermoelectric cooling module.

Abstract: A thermogenerator with a first electrical voltage source (20) having a first voltage output (30) and a second electric voltage source (40) having a second voltage output (50). The first electrical voltage source (20) is formed of a first thermoelectric element (25), and a third voltage output (60) is provided, coupled to the first voltage output (30) and the second voltage output (50). A method is disclosed for the conversion of thermal energy into electrical energy, in which electrical voltage is generated by a first thermoelectric element (25), and where voltage is generated at least some of the time by means of a second voltage source (40), and where, by means of a converter circuit (150), the electric voltage from the first thermoelectric element (25) is converted to a higher voltage level.

Abstract: The invention provides systems having an electron transfer moiety tethered to an electrode by a conductive spacer moiety. A biasing potential applied to the electrode reduces the electron transfer moiety to form a reduced electron transfer species capable of absorbing a photon, to form an excited electron transfer species. An electron accepting moiety accepts an electron from the excited electron transfer species, to form a reduced electron acceptor. The reduced electron acceptor may for example be used in hydrogen generation reactions.

Abstract: An apparatus and method are for holding heat generating elements such as solar cells. The apparatus includes a body and a component mounting surface for mounting a heat generating component, such as a solar cell, thereon. The apparatus can further include a plurality of spaced apart heat transfer element holders that are configured to transfer heat from the body to heat transfer elements. The apparatus can also include a connector that is configured to cooperate with a corresponding connector of an adjacent apparatus to mechanically couple the body to the adjacent apparatus while allowing for thermal expansion the body relative to the adjacent apparatus, thereby producing a linear array.

Abstract: The invention relates to a solar cell comprising at least two photoactive layers. Solar cells or photovoltaic elements of this type are also called tandem solar cells or photovoltaic multicells. Tandem solar cells are comprised, in essence, of an optical and electrical series connection of two photoactive layers. The invention particularly relates to organic tandem solar cells comprising according to the invention at least one shared electrode disposed between two photovoltaically active layers and made substantially of organic material.

Abstract: The present invention describes nanocomposite material structures including layers forming p-n and p-i-n homo- and heterojunctions for application in photovoltaics, solar cells, photodetectors, and light emitting devices, comprising semiconductor nanoparticles, such as colloidal semiconductor nanocrystals, nanorods, nanowires, nanotubes, etc., wherein at least one of the layers is made of hydrogenated amorphous or microcrystalline/nanocrystalline silicon or their alloys enabling low-temperature fabrication processes preventing any degradation of physical properties of the nanoparticles.

Abstract: A liquid distributor for two liquid phases to be uniformly distributed into a plurality of tubes of an upright tube-bundle reactor for carrying out chemical reactions, wherein the inside of the tubes forming the tube bundle are provided for a trickle-bed operation, the tubes are retained at the top and bottom by tubesheets and are closed against the outside of the tube, a distribution chamber is arranged above the upper tubesheet, which chamber contains feed pipes for two different liquids and at least one gas phase, wherein a first liquid distribution system is arranged directly above the tubesheet or on it, which system is connected to at least one outer feed device and contains an annular weir installed outside the tubed area, with openings at the bottom and a plurality of inlet sleeves, wherein one inlet sleeve is assigned at the top to each of the tubes of the tube bundle, the inlet sleeves are of tubular design and are vertically aligned, and the said sleeves have at least one lateral and one further op

Abstract: A method and apparatus for activating and dissociating gases involves generating an activated gas with a plasma located in a chamber. A downstream gas input is positioned relative to an output of the chamber to enable the activated gas to facilitate dissociation of a downstream gas introduced by the gas input, wherein the dissociated downstream gas does not substantially interact with an interior surface of the chamber.

Abstract: Various aspects and embodiments of the present invention provide a fire hydrant actuator rod that is a corrosive resistant rod made by a cold-rolled finish process and plated with a metal compound. An actuator rod of the present invention may be installed in a fire hydrant between the cap structure and valve and cooperate with an O-ring and/or hydrant component to provide a seal without a sleeve or inner O-ring. In some embodiments of the present invention, an actuator rod is provided that cooperates with an O-ring to form a seal at the fire hydrant cap structure.

Abstract: An air pump nozzle includes a housing with an inflation hole. An inner space of the housing lodges a block assembly seat having a compartment at an end. The compartment lodges a block member having an insertion hole. A needle tube with an air outlet is inserted through the insertion hole and is retained from affiliating from the block member. The design of separate needle tube and block assembly seat can simplify the manufacturing procedure and product assembly, as well as reduce the manufacturing cost.

Abstract: This is a leak pan device designed to prevent internal damage to cabinetry caused by faulty plumbing, and also by various kinds of construction debris. It has a flat bottom and one or more raised edges to contain leakage, direct it in a prescribed course through a drain or depression in a raised edge, or both. The leak pan device is easily fitted and placed beneath plumbing under kitchen, bathroom and all other plumbing areas such that the leak pan contains leaking water thereby preventing damage including rotted wood, mold build-up and warped cabinet materials.

Abstract: A concrete wash residue collection structure includes a catch basin in which the constituents of wet concrete dislodged by a stream of washing water directed at the working surfaces of concrete handling equipment is first collected is then mounted on a carrier vehicle to be transported along a path along which smaller wash residue collection trays are placed to be lifted and drained into the basin. Throughout this collection process the agitated liquid portion containing the reactive constituents of the concrete entrained therein are then passed into a collection enclosure through slotted filter housings that exclude the larger solid constituents of the concrete like sand and aggregate which further accumulate at the slots to form decanting weirs over which the liquid passes. The liquid collected in the enclosure may is continuously pumped out to be thereafter neutralized while the accumulated aggregate residue collected in the basin is disposed in a landfill.

Abstract: A crossover manifold system for hot and cold water faucet pairs arranged back to back on opposite sides of a partition, the system comprising a pair of manifold tubes, wherein each tube comprises a central section; a first intermediate section and a second intermediate section, wherein each intermediate section is adjacent to and angled with respect to the central section; and a first distal section and a second distal section, wherein each distal section is adjacent to and angled with respect to the first and second intermediate sections, respectively. The first and second distal sections are approximately parallel to one another, and the manifold tubes cross over one another.

Abstract: A valve manifold vault, lid, and vault support base for subsurface irrigation system valve manifolds. The vault, lid, and support base provide a secure enclosure that prevents movement of a valve assembly and protects valves and valve components.

Abstract: A closure device with a pressure valve in which the closure device is provided in the form of a protective cap (1) which has a groove (2) on its outer periphery. At least one discharge opening (31, 32) for a fluid is formed inside the groove and communicates with the interior of the vessel to be closed by the closure device. Both lateral arms (41, 42) of an elastically deformable clip (4) are forcibly inserted into the groove. At least one of these arms (41, 42) is provided with a seal (51, 52) which seals the fluid discharge opening (31, 32) in order to ensure a tight seal when the pressure difference between the interior of the vessel to be closed and the exterior environment is less than a first predetermined value, and which opens this opening when the pressure difference is greater than a second predetermined value.

Abstract: An example pressure regulator includes body having a pressure inlet and a pressure outlet. A piston is disposed in the body and fluidly coupled to the pressure inlet and the pressure outlet. The piston is configured to operate in compression to contact a valve seat for the purpose of controlling the flow of fluid from the pressure inlet to the pressure outlet in response to a pressure applied to a surface of the piston via the pressure control outlet.

Abstract: (a) a body; (b) a valve seat; (c) a flapper; (d) a hinge pin attached to the body proximate to the valve seat and disposed substantially perpendicular to the fluid flow path; and (e) at least one flapper dog attached to the flapper, the flapper dog defining an aperture, the hinge pin being disposed through the aperture such that the flapper dog is rotatable around the hinge pin, the aperture in the flapper dog being oblong in shape.

Abstract: A device for microfluidic control comprising a regulator that is moveable in a conduit where the regulator is a composite polymer formed from a composite mixture comprising a polymerizable precursor and a particulate filler.

Abstract: A valve arrangement for a vacuum pump assembly selectively opens and closes communication between a vacuum pump, evacuation vessel, and a volume to be evacuated. The valve arrangement allows the evacuation vessel and any conduit connecting the vacuum pump and evacuation vessel to the volume to first be evacuated without providing a vacuum to the volume. The valve arrangement also allows the volume to be connected to the evacuation vessel but cut-off from the vacuum pump so that at initial stages of the evacuation process for the volume dead air contained within the volume may be communicated to the evacuation vessel rather than drawn out by the vacuum pump. Once the dead air, or portions thereof, has been removed from the volume, the valve arrangement may cut-off communication with the evacuation vessel, establish communication between the vacuum pump and the volume, and allow the vacuum pump to provide negative air pressure to the volume so that the volume may be evacuated.

Abstract: A valve system for use in a system including a first source of a first pressurized fluid and a second source of a second pressurized fluid includes a valve housing including a first inlet port adapted to be placed in fluid connection with the first source, a second inlet port adapted to be placed in fluid connection with the second source and an outlet port. The valve system further includes a backflow prevention system to prevent flow of the first pressurized fluid through the second inlet and to prevent flow of the second pressurized fluid through the first inlet port. The valve system is adapted to provide a fluid path between at least the first inlet port and the outlet port to enable fluid to be drawn from the outlet port to the first inlet port. Several of the valve systems of the present invention provide for flow from the first inlet port to the outlet port and concurrent flow from the second inlet port to the outlet port.

Abstract: A faucet structure comprises a valve body having outlet sleeves, accommodating tubes, and inlet connecting pipes to be mounted between a panel equipped with a passage, bores, a clearance recess, and through holes, and a cover having a set of holes. The middle section of the valve body is disposed a connecting tube having a set of coupling ends each joined to one outlet sleeve, and an assembly section to fit to an outlet duct of a water supply seat. The valve body also has a water-flow control valve received into the accommodating tube to match to a handle seat with a grip attached thereto. The water supply seat formed by a set of upper and lower housings assembled to each other to enclose the outlet duct therein is mounted to the middle section of the panel thereon. Therefore, the present invention can achieve easy and flexible assembly thereby.

Abstract: A two-stage pressure regulator comprising a regulator housing comprising a bonnet, a first regulator body having a top connected to the bonnet and a bottom connected to a second regulator body. The regulator housing has an inlet, a first flow path, a second flow path and an outlet. The regulator housing has a first regulating cavity formed between the first regulating body and the second regulating body and a second regulating cavity formed between the bonnet and the first regulating body. A first diaphragm is in the first regulating cavity and a second diaphragm is in the second regulating cavity. A first regulating assembly is operatively connected to the first diaphragm for preventing fluid flow through the first flow path and a second regulating assembly is operatively connected to the second diaphragm for preventing fluid flow through the second flow path.

Abstract: A quick-dis/connect coupler including two coupler modules, male and female. Each includes a housing. At least one includes a stopcock valve. The housing bodies are configured such that, as they are engaged/disengaged, each automatically opens/closes the other's stopcock valve. The complete coupler may include seven or fewer components, with five or fewer skus among them. The coupler provides a straight-through, laminar fluid flow path with no dead zones and essentially zero occlusion, and has no springs or other such components inside the fluid flow. The coupler uses inexpensive injection molding and snap-fit components which are dual-latched. The valve-closing springs also provide positive eject force upon disengagement of the coupler.

Abstract: A high pressure valve assembly (10) comprising a valve sleeve (14) and a valve body (16) slidably mounted in the valve sleeve (14) is disclosed, the valve body (16) and valve sleeve (14) each having first ends (18, 56) and second ends (20, 58). A sidewall (22) extends between the valve sleeve first end (18) and second end (20) which sidewall (22) has an inner surface (24) and an outer surface (26) and at least one opening (30) therethrough. The sidewall (22) also includes at least one channel (40) having a first end (42) facing the inner surface (24) at a first location closer to the first valve sleeve end (18) than to the second valve sleeve end (20) and a second end (44) facing the inner surface (24) at a second location closer to the second valve sleeve end (20) than to the first valve sleeve end (18). A method of using the valve assembly (10) is also disclosed.

Abstract: The gas pressure regulator (1) comprises a main body (2) having a first, gas inlet pipe (4) and a second, gas outlet pipe (6), a calibrated gas passage (8) through which the gas flows from the first pipe (4) to the second pipe (6), a shutter (9) housed at least partially in the main body (2) and a silencing element (102) also housed in the body (2).

Abstract: The invention relates to a system (1) for hygienically reconstituting and delivering food preparations, such as drinks, comprising a metering and mixing device (3) connected to a container (4) containing a base liquid, in the form of a package (2) configured to be connected to a base station (5). The metering and mixing device comprises a pump for metering the liquid, a diluent intake and a mixing chamber. Coupling means (51) are provided for providing the diluent supply and the means for driving the liquid pump.