Abstract: In one aspect, the present disclosure provides a nozzle for a 3D printing system. The nozzle may include a flowpath with a material inlet and a material outlet. The nozzle may further include a valve in fluid communication with the flowpath between the material inlet and the material outlet, where the valve includes a closed state and an open state, where in the closed state the valve obstructs the flowpath between the material inlet and the material outlet, and where in the open state the material inlet is in fluid communication with the material outlet. The nozzle may further include a compensator in fluid communication with the flowpath, where the compensator includes a contracted state associated with the open state of the valve and an expanded state associated with the closed state of the valve.

Abstract: The present invention for rights for a system configured for use with an existing motor vehicle windshield washer system whereby a portion of solution is directed to a headlamp washing outlet.

Abstract: Described are systems and methods for multi-material printing. The systems and methods can utilize a stereolithographic printing device, a moving stage, and a microfluidic device. The microfluidic device can include a plurality of reservoirs, each reservoir housing a different ink for printing, and a microfluidic chip. The microfluidic chip can include a chamber that comprises a plurality of inlets, a printing region, and one or more outlets as well as an elastic membrane.

Abstract: A closing engine including a framework, fluid drivers, and a flow control device. The framework has an inlet that receives a fluid and an outlet that dispenses the fluid. The fluid drivers are supported by the framework and pump fluid toward the outlet. The flow control device is coupled to the framework and is in fluid communication with the inlet, the outlet, and the fluid drivers. The fluid drivers are cooperatively driven by a motive force from fluid flow through the inlet to dispense fluid via the outlet, and to drive the flow control device to distribute diluent to the diluent drivers in a coordinated manner.

Abstract: An apparatus for dispensing a foodstuff a heating block (59) having a top side (60) and a bottom side (61), the bottom side (61) being complementary to a portion of the cylinder (11), the heating block (59) being removable from the housing (16) and from the container (1).

Abstract: A central hand sanitizing system (CHSS) is disclosed. The system includes a plurality of sanitizer stations (PSS) each in a plumbing network, a central sanitizer store (CSS) in communication with the PSS in the plumbing network; and a hand sanitizer solution (HSS) dispersed from the CSS to the PSS via the plumbing network and having a composition targeted to determined pathogens. The HSS comprises an ethanol, a glycerol, a hydrogen peroxide, a distilled water and an antipathogen solution of predetermined concentrations. A pulse oximeter, a fever sensor and an electronic processor communicate a status of users of respective PSS and a status of respective PSS. A central hand sanitizing method additionally includes dispersing a hand sanitizer solution (HSS) from the CSS to the PSS via the plumbing network and dispersing informational metrics regarding the PSS, CSS and HSS and users thereof to remote receivers via the electronic network.

Abstract: A post-mix beverage dispenser system with removable pumps is disclosed. The system includes a pump enclosure for receiving a plurality of beverage syrup pumps. Each beverage syrup pump may be easily removed from the enclosure and replaced in a tool-less manner. A sensor and control system for the plurality or removable pumps is also disclosed.

Abstract: An exemplary methodology for managing soap, sanitizer and lotion refills includes associating a first refill unit with a first dispenser, determining one or more usage rates for the first dispenser, determining an expected depletion date for the first refill unit. The methodology further includes associating a second refill unit with a second dispenser, determining one or more usage rates for the second dispenser, and determining an expected depletion date for the second refill unit. The methodology further includes providing instructions to move the first refill unit to the second dispenser and the second refill unit to the first dispenser.

Abstract: In an embodiment, an automatic food preparation and serving method comprises: releasing, from one or more magazines in a storage apparatus, a plurality of food canisters, each loaded with a different ingredient of a human consumable dish or meal, onto a canister transportation mechanism under program control by one or more digital electronic processors; transporting, using the canister transportation, the plurality of food canisters to a food dispensing mechanism under program control of the one or more processors; retrieving, using a bowl placement apparatus, a bowl from a bowl dispensing apparatus and placing the bowl on a bowl orientation mechanism below the food dispensing mechanism under program control of the one or more processors; dispensing, using the food dispensing mechanism, the ingredient of the human consumable dish or meal from the plurality of food canisters into the bowl under program control of the one or more processors; removing the plurality of food canisters using a canister removing app

Abstract: A housing for a device for metered dispensing of a medium, the housing including at least one inlet, preferably threadless, configured to allow the medium to enter the housing from a reservoir, a plurality of receptacles, preferably threadless, a metering device in each of the plurality of receptacles, an inlet line connected to the at least one inlet, and a plurality of distribution lines connected to the inlet line and to each of the plurality of receptacles, wherein the housing includes a plastic material.

Abstract: A piston pump arrangement that disables operation of the pump in the absence of an inlet liquid and also to a piston pump arrangement useful to discharge liquids from at least two sources and to disable discharge of all of the liquids when supply of liquid from at least one source is empty.

Abstract: An automatic liquid soap supplying system is provided with a plurality of soap dispensing main bodies for discharging a liquid soap, a plurality of soap dispensing components to be respectively connected to the soap dispensing main bodies, a liquid soap filling tank connected to each soap dispensing component, a mounting component provided with a photo display area of necessity for supplying liquid soap, as well as a control unit. In this case, a differential hydrostatic pressure is formed between the liquid soap filling tank and the soap dispensing component, whereby the liquid soap is filled into the soap dispensing component automatically from the liquid soap filling tank through the differential hydrostatic pressure. Moreover, the photo display area of necessity for supplying liquid soap is used to recognize whether supplement of soap is required, and air remained due to the supplement of soap is discharged via a exhaust valve.

Abstract: The invention relates to a fluid dose-measuring device for dispensing predetermined amounts of fluid from a fluid container, comprising a housing with a stationary and a moveable part, wherein the stationary part comprises a connector portion defining an inlet passage, which connector portion is connectable to the fluid container, wherein the moveable part is configured to engage with an actuator of a dispensing device, and wherein the housing comprises an outlet through which the fluid is to be dispensed, and an internal gear pump with an inner and an outer gear for transporting fluid from the inlet passage to the outlet upon actuation by the actuator of the dispensing device, wherein the moveable part is connected to the outer gear, so that actuation of the moveable part allows to rotate the inner and outer gear relative to the stationary part.

Abstract: The present invention provides a method for granulating a polyamide or a polyamide composition, whereby it becomes possible to granulate even a polyamide that has such a melt viscosity that the polyamide cannot be pelletized into a strand-like shape easily. In the present invention, a polyamide, whose melt viscosity at glass transition temperature+160° C. and a shear rate of 100 s?1 is 3 Pa·s to 200 Pa·s and whose terminal amino group concentration is 5 ?eq/g to 70 ?eq/g, is melted by heating to a range of glass transition temperature+160° C. to glass transition temperature+180° C. of the polyamide, and then is solidified by dropping the molten polyamide in the form of granules onto a metallic belt, thereby producing granules.

Abstract: A foam intercept system and a method of using the foam intercept system are disclosed herein. The foam intercept system is useful to control levels of foam generated on the surface of effluent seawater during aeration of the effluent seawater in a seawater aeration basin. Effluent seawater contained within the seawater aeration basin may be produced in a seawater flue gas desulfurization system associated with a power plant or an aluminum production plant.

Abstract: The present invention discloses a fluid dispensing system that includes modularized components such as a flow-out member from which fluid dispenses, fluid displacement mechanism, including electronics associated therewith and a reservoir for storage of fluid. The flow-out member, fluid displacement mechanism, and components constituting the fluid dispensing system including the reservoir may have one of a linear or nonlinear cooperative relationship in terms of connectivity and operation, and may be positioned in one of a close proximity or remote locations from one another. Flow out member is provided that may moved in more that one direction to refill reservoir.

Abstract: Disclosed is a supplying device of fixed colorants volume for a colorant dispenser. The supply device includes: a colorant source; a cylinder body having multiple piston cylinders arranged around a circumferential direction thereof; a swashplate having an oblique surface and arranged substantially coaxially with the cylinder body; multiple piston mechanisms, where each piston mechanism includes a piston rod and a piston connected to the piston rod, the piston rod has a rolling abutment structure abutting against the oblique surface, and the piston is constructed to be capable of making a stroke movement in the corresponding piston cylinder by means of rotation of the swashplate; an actuator for actuating the swashplate; a controller operatively connected to the actuator to control the amount of rotation of the swashplate; and an outlet for dispensing a colorant. Preferably, the supply device further includes an axial reset mechanism and a circumferential reset mechanism.

Abstract: Exemplary embodiments of foam cartridges, refill units for foam dispensers, and foam dispensers are disclosed herein. An exemplary foam cartridge for a foam pump that may be used in a refill unit includes a housing. The housing includes an upper cylindrical portion and a lower cylindrical portion. One or more air passageways are located through the upper cylindrical portion. The foam cartridge includes an interior cylindrical member having a dome. The interior cylindrical member is located at least partially within the upper cylindrical portion of the housing. One or more mixing passages located between the interior cylindrical member and the upper cylindrical portion of the housing, and one or more mix media are located at least partially within the lower cylindrical portion of the housing.

Abstract: The invention relates to a rotary die device for producing soft capsules, comprising a capsule forming unit for forming a soft-capsule shell and a novel dosing unit for feeding a filling material into the capsule forming unit, characterized in that the dosing unit comprises a dispensing system that includes (a) a container defining a reservoir for storing therapeutic or non-therapeutic compositions; (b) a low pressure pump; (c) a high pressure peristaltic pump; (d) a supply line for the therapeutic or non-therapeutic compositions; and (d) one or more electromagnetically activated nozzles/injectors to fill the softgel capsules with the therapeutic or non-therapeutic compositions.

Abstract: A water gun discharges water continuously by pushing in and pulling out an operating portion and has a casing imitating a barrel, a rear grip portion and a front grip portion. The casing incorporates a pump mechanism and includes pumping tubing forming a pumping path through which water is pumped up from a water storage tank by the pumping mechanism and a muzzle portion disposed at a front end of the casing. The pump mechanism includes a first cylinder and a second cylinder which are oriented in opposite directions, a first piston slidable forwards and backwards within the first cylinder and a second piston slidable forwards and backwards within the second cylinder, an interlocking member coupled to the first piston and the second piston and brought into engagement with a rear half portion of the casing, pumping check valves, a jet water flowing chamber and a water supply path.

Abstract: A hot melt adhesive material dispensing system comprises two separate and independent rotary, gear-type metering pumps, or two separate and independent sets of pumps, which are able to output precisely metered amounts of hot melt adhesive material. The hot melt adhesive materials discharged are able to be independently outputted through suitable output devices onto a substrate to result in different outputted volumes of the hot melt adhesive material in accordance with predeterminedly desired patterns, or at predeterminedly desired locations. The hot melt adhesive materials may also have their volumetric outputs combined such that the discharged or outputted volumes of the hot melt adhesive material onto the substrate may be, for example, twice the outputted volumes of the hot melt adhesive outputted onto the substrate from only one of the two pumps, or from only one of the two pumps.

Abstract: A fluid dispensing system including a parent dispenser and a child dispenser, wherein the parent dispenser has a parent body with a parent reservoir containing fluid, a first magnetic coupling member, a passage, a parent pump mechanism and a parent actuator. The parent actuator has an outlet, a second magnetic coupling member, and actuator inlet tube. The actuator inlet tube is removably received within the passage. The first and second magnetic coupling members cooperate to removably couple the parent actuator and the parent body. The child dispenser has a child body with a child reservoir, a child pump mechanism, and a child inlet tube. The child inlet tube is removably received within the passage when the child dispenser is coupled to the parent body. When the child dispenser is coupled to the parent body, the parent pump is actuated to transfer fluid from the parent to the child reservoir.

Abstract: A hot melt adhesive metering pump assembly, and an integral reservoir tank fluidically connected thereto and the hot melt adhesive metering pump assembly comprises a plurality of rotary, gear-type metering pumps which are arranged in a compact, longitudinally spaced manner upon a drive gear manifold. All of the driven gears of pumps are respectively driven by manifold pump drive gears which are rotatably mounted upon a common motor-driven rotary drive shaft rotatably disposed within the drive gear manifold, and a first side wall member of a base portion of the reservoir tank is integrally connected to a side wall portion of the drive gear manifold, while a second side wall member of the base portion of the reservoir tank is provided with a plurality of hose connections to which hot melt adhesive delivery hoses are to be connected so as to respectively convey the precisely metered amounts of the hot melt adhesive material toward the applicator heads.

Abstract: A semi-automatic benchtop filling system that allows the user to switch between pump technologies while utilizing one base unit. The base unit is outfitted to accommodate peristaltic, lobe, gear, and piston pumps providing a maximum amount of flexibility and versatility in one unit. The base unit employs a computerized servo motor control system and docking hardware for driving any of the four different pump types. The system is designed to automate the filling of sample containers regardless of which pump is mounted by tare weighting, and the drive will adjust itself to dispense the correct weight. The pump drive includes appropriate reduction gearing and quick disconnect flexible couplings for each of the different pump types, a side-mounted adapter for connecting any of the peristaltic, gear and lobe pumps, and a separate piston drive assembly and dock-connector at the rear for a piston pump.

Abstract: A microfluidic dispensing system may include multiple supply lines for simultaneous filling of diaphragm pumps associated with each supply line. Each supply line may fill corresponding groups of diaphragm pumps with a corresponding ingredient to a supply reservoir for the supply line. Accordingly, different groups of diaphragm pumps corresponding to different supply lines may be filled with corresponding ingredients simultaneously. Those ingredients corresponding to the different groups of diaphragm pumps may also be dispensed simultaneously, giving rise to a faster and more efficient fluidic dispensing system.

Abstract: A molten wax pumping device includes a pump body defining a pump hole and a material outlet, a pump rod inserted through the pump hole of the pump body, and a linear driving device affixed to the pump body for reciprocating the pump rod to pump molten wax out of a molten wax tank of a molten wax dispenser into the pump hole toward the material outlet. One or more molten wax pumping devices can be mounted to the molten wax tank for pumping out molten wax.

Abstract: A two stage grease gun with a handle capable of being actuated by a user is provided. The gun includes a high volume/low pressure piston for delivery of grease at a high volume and low pressure. A high pressure/low volume piston for delivery of grease at a high pressure and low volume is also included. Acutation of the handle by the user causes both pistons to move. A by-pass check valve is present and is configured to actuate based upon a backpressure. The by-pass check valve is not actuated by the user and effects the amount of grease dispensed by way of the high volume/low pressure piston. An associated method is also provided.

Abstract: An apparatus for percutaneous delivery of a sealant comprising: at least two fluid reservoirs, an introducer needle having a distal tip that is in fluid communication with at least one reservoir, a fluid delivery tube that is in fluid communication with a second reservoir, wherein the fluid delivery tube has a tip and wherein the fluid delivery tube is configured so that the tip of the fluid delivery tube does not extend past the distal tip of the introducer needle during use.

Abstract: A fluid dispenser is disclosed for dispensing multiple fluids and that includes valve assemblies with rotary recirculation and dispense valves. A table controlled by a motor and a controller moves all of the valve assemblies to either a dispense position or a recirculation position together. The controller selectively operates the pump motors associated with individual canisters of fluid so that the system can dispense a single fluid or multiple fluids at a time. When in the recirculation position, the fluids can be continuously, intermittently or periodically recirculated to maintain the fluids in a homogenous state.

Abstract: A fluid dispensing system including a parent dispenser and a child dispenser, wherein the parent dispenser has a parent body with a parent reservoir containing fluid, a first magnetic coupling member, a passage, a parent pump mechanism and a parent actuator. The parent actuator has an outlet, a second magnetic coupling member, and actuator inlet tube. The actuator inlet tube is removably received within the passage. The first and second magnetic coupling members cooperate to removably couple the parent actuator and the parent body. The child dispenser has a child body with a child reservoir, a child pump mechanism, and a child inlet tube. The child inlet tube is removably received within the passage when the child dispenser is coupled to the parent body. When the child dispenser is coupled to the parent body, the parent pump is actuated to transfer fluid from the parent to the child reservoir.

Abstract: A dispenser for dispensing liquids including an inner displacement member nested in an outer displacement member. The inner member is moveable between two end positions within the outer member by an actuator. The actuator is arranged to move the outer displacement member into a dispensing position when the inner displacement member is in one of its end positions. The displacement members can be pistons and/or bellows.

Abstract: The present invention provides a positive displacement rotary vane mixing pump in combination with a positive displacement rotary vane fluid pump. The mixing pump having an air inlet, an inlet for foamable fluid from the fluid pump, and an outlet from a discharge sector of the pump for discharging a mixture of air and liquid to a foam generator.

Abstract: Solvent feed systems are disclosed. Chromatography systems containing a solvent feed system are also disclosed. Methods of making and using solvent feed systems are further disclosed.

Abstract: An anti-drip valve assembly for a fluid dispenser is disclosed that includes a valve block and a cylindrical valve body disposed within the valve block. The cylindrical valve body includes a recess for accommodating a valve element. The recess is in communication with the chamber for accommodating a biasing element for biasing the valve element outward and away from the valve body or towards the valve block or dispense port, depending upon the position of the valve body. When the valve body is in a closed position, the valve element is biased against the dispense port. When the valve body is in a dispense position, and there may be a plurality of dispense positions, the dispense port is selectively in communication with a fluid passageway or one of a plurality of fluid passageways for dispensing fluid through the dispense port. The valve assembly is particularly useful for fluid dispensers employing more than one pump for dispensing a common fluid in different amounts.

Abstract: A microfluidic dispensing system may include diaphragm pumps that may be used for aspirating in corresponding ingredients via a nozzle or a tip from supply sources. Tips may be placed in contact with ingredient supply sources, and through repeated actuation of the diaphragm pumps, desired volumes of ingredients are aspirated into the tips. In some cases, an air plug is aspirated into the tips before an ingredient. Once the desired volume of each ingredient is reached within each tip, the ingredients are dispensed from the tips through repeated actuation of corresponding diaphragm pumps.

Abstract: A new and improved remote, hot melt adhesive metering station (510), for supplying predetermined or precisely metered volumes of hot melt adhesive material toward applicator head or dispensing nozzle structures, comprises a plurality of rotary, gear-type metering pumps (518) which are arranged in a compact, longitudinally spaced manner upon an axially elongated drive gear manifold (512) such that the rotational axes of the plurality of rotary, gear-type metering pumps (518) are disposed parallel and adjacent to one side of the axially elongated drive gear manifold (512).

Abstract: A fluid dispenser is disclosed for dispensing multiple fluids and that includes valve assemblies with rotary recirculation and dispense valves. A table controlled by a motor and a controller moves all of the valve assemblies to either a dispense position or a recirculation position together. The controller selectively operates the pump motors associated with individual canisters of fluid so that the system can dispense a single fluid or multiple fluids at a time. When in the recirculation position, the fluids can be continuously, intermittently or periodically recirculated to maintain the fluids in a homogenous state.

Abstract: A device for delivery of biologic materials, comprising: a cartridge having at least two cylinder bores for fluids to be delivered, wherein each cylinder includes an exit port for a fluid, a plunger within each cylinder for pushing the fluids out of the cylinder, a housing adapted to receive the cartridge, wherein the housing or cartridge includes an adaptor to receive and lock a manifold that operably connects to the exit ports of the cartridge, at least two toothed rams, wherein each toothed ram is at least partially within a cylinder bore, a trigger connected to the housing, wherein the trigger includes a toothed drive rack, a toothed wheel assembly that cooperates with the toothed drive rack and with the toothed rams, as well as methods of making the device, methods of using the device to treat discs, kits including the device.

Abstract: A modular system, for delivering hot melt adhesive materials, comprises a modular metering assembly, having metering stations disposed therein, that is able to be attachably and detachably mounted upon a modular tank assembly. Alternatively, one or more of the metering stations may be disposed externally of the modular metering assembly, and alternatively still further, one or more additional modular metering assemblies may be attachably and detachably connected to the first modular metering assembly. Also disclosed is a closed-loop fluid pressure control system, for independently controlling the pressure of the hot melt adhesive material being conveyed to the metering devices, whereby the working pressures of the hot melt adhesive materials being conveyed to the metering devices can have different working pressures.

Abstract: A new and improved hot melt adhesive material dispensing system comprises two separate and independent rotary, gear-type metering pumps, or two separate and independent sets of rotary, gear-type metering pumps, which are able to output precisely metered amounts of hot melt adhesive material. The hot melt adhesive materials discharged from the two separate and independent rotary gear pumps, or from the two separate and independent sets of rotary gear pumps, are able to in fact be independently outputted through suitable output devices onto a particular substrate so as to result in different outputted volumes of the hot melt adhesive material in accordance with predeterminedly desired patterns, or at predeterminedly desired locations.

Abstract: Apparatus for storing and dispensing flowable explosive, the apparatus including an explosive pump for pumping flowable explosive into an explosive tank having a fluid pressure-actuated piston movable therein for expelling flowable explosive out of the explosive tank through a delivery hose fitted with an injector through which one or more additives from one or more additive tanks can be pumped by an additive pump.

Abstract: A modular system, for delivering hot melt adhesive or other thermoplastic materials, comprises a modular metering assembly, having a plurality of metering stations disposed therein, which is able to be attachably and detachably mounted upon a modular tank or supply assembly. Alternatively, one or more of the plurality of metering stations may be disposed externally of the modular metering assembly, and alternatively still further, one or more additional modular metering assemblies may be attachably and detachably connected to the first modular metering assembly. In this manner, the entire modular system exhibits enhanced versatility and flexibility in order to effectively implement different material application procedures that may be required for different end-user customers.

Abstract: A microfluidic dispensing system may include diaphragm pumps that may be used for aspirating in corresponding ingredients via a nozzle or a tip from supply sources. Tips may be placed in contact with ingredient supply sources, and through repeated actuation of the diaphragm pumps, desired volumes of ingredients are aspirated into the tips. In some cases, an air plug is aspirated into the tips before an ingredient. Once the desired volume of each ingredient is reached within each tip, the ingredients are dispensed from the tips through repeated actuation of corresponding diaphragm pumps.

Abstract: A microfluidic dispensing system may include multiple supply lines for simultaneous filling of diaphragm pumps associated with each supply line. Each supply line may fill corresponding groups of diaphragm pumps with a corresponding ingredient to a supply reservoir for the supply line. Accordingly, different groups of diaphragm pumps corresponding to different supply lines may be filled with corresponding ingredients simultaneously. Those ingredients corresponding to the different groups of diaphragm pumps may also be dispensed simultaneously, giving rise to a faster and more efficient fluidic dispensing system.

Abstract: A miniaturized fluid dispensing system for dispensing customized fluids. The dispenser may include first and second reservoirs containing constituent fluids; a drive motor; at least two pump assemblies commonly driven by the drive motor and in communication with the first and second reservoirs; first and second valve assembly in communication with the first and second pump assemblies; and a control system for selectively controlling the valve assemblies to blend and discharge a composition from the constituent fluids. The system may include a dispensing header to house the valves and to define ‘discharge’ and ‘recirculation’ flow paths for each constituent fluid. The present invention also provides a method for dispensing a fluid regimen (e.g. a plurality of compositions) by periodically blending and discharging varying compositions over time.

Abstract: A device and a method for dosing compounds and especially foamed compounds to a dosage target location. The device has at least one unit with respective pumps and nozzles that are fluidically interconnected. The pump is a rotary pump with at least one rotary element arranged to rotate inside a pump chamber.

Abstract: In application of a foamed hot melt adhesive, a mixing ratio of foam can be selectably and quickly set, and also application of a foamed hot melt adhesive and that of a solid hot melt adhesive can be selectively performed by a single application device. A first gear pump and a second gear pump are driven by drive mechanisms independent from each other. The pressure of a liquid being sent by the pressure in the second compression process is detected, and this causes the speed of the first gear pump and the second gear pump to be sequence-controlled to automatically control the amount of mixing of gas. A gas suction opening is provided between the first gear pump and the second gear pump, and a mixer is provided between the gas suction opening and the second gear pump. The end of a return circuit is set on the downstream side of the first gear pump to prevent foam from returning to the tank side. A restriction valve is installed in a gun to produce a single bubble.

Abstract: A combination dispenser and implement holder is disclosed. The combination comprises a plurality of containers, each for retaining a liquid. Each container includes a bottom wall, at least one side wall, and a top wall. The top wall of each container preferably includes a dispensing nozzle. Each container is fluidly isolated from each other container by at least one of the side walls so that mixing of the liquids does not occur. A towel rack projects from at least one side wall of at least one container, and preferably a sponge holder projects from the same wall below the towel rack. Drain holes are included in a bottom wall of the sponge holder. In one embodiment of the invention having three containers, the width of the third container is preferably larger than the width of the sponge holder and the towel rack. As such, when viewing the combination from the front, neither the towel rack or the sponge holder are visible.

Abstract: A modular chemical delivery system is designed to be readily convertible from use with a warewashing system to use with a laundry system, or vice-versa, merely by the replacement of one chip in the controller of the system. The dispensing system is also readily expandable by adding additional satellite pumps in order to inject additional chemicals into a single washing unit, and/or to supply chemicals to additional washing units. Plug and play technology is used so that control intelligence can be distributed from the main system controller to satellite controllers, and so that additional satellite units may be readily added, identified, and properly integrated into the dispensing system.

Abstract: A plurality of pump cassettes are connected through distribution tubing to a single inlet tube such that the inlet tube is shared by the pump cassettes through the distribution tubing. The plurality of pump cassettes may be symmetrically attached to the distribution tubing. A four-port coupling may be inserted in the distribution tubing for making connection to the inlet tube and a middle one of the pump cassettes when the number of cassettes is an odd number.