Abstract: A nozzle, and hydrocarbon conversion process using the nozzle for atomizing heavy feed to conversion zone, are disclosed. A liquid feed stream is atomized by radial out-to-in impingement of atomizing vapor, discharged onto an imperforate central region of a perforated plate in one end of a nozzle barrel, then sprayed through an outlet in the other end of the nozzle barrel. Preferably two perforate plates are used, a first at one end of the nozzle barrel and a second between the first plate and the outlet, which is preferably an elliptical orifice.

Abstract: While plural kind of powder paints of different hues are mixed with each other without melting for preparation of a powder paint of a desire hue, a fluidity improver possessing a charge control function is simultaneously mixed into the powder paints without melting. The mixed powder paint containing the fluidity improver is charged, and then electrostatic powder coating is performed by the charged powder paint.

Abstract: A fluid mixing device includes a nozzle having a first element mounted therein, and connected to a hollow, tubular element having a series of openings formed therein adjacent the first element. The hollow, tubular element extends outwardly from the nozzle, through an exit opening and may have a second element mounted thereon. The second element may take various shapes, including having a number of protrusions thereon, to vary the atomization of fluid flowing from the nozzle exit. An outer end of the hollow, tubular element may be free to suck in atmosphere, or may be attached to a tube immersed in a container, to draw in a second fluid to mix with the first fluid through the nozzle.

Abstract: A two-fluid atomizing nozzle incorporating a novel nozzle cap is described. The nozzle cap comprises support spokes which couple a pintle to the outer frame of the nozzle cap for holding the pintle in position. The support spokes comprise dams which prevent liquid from flowing along the length of the support spokes to the outer frame of the nozzle cap. This improves atomization by causing any liquid which flows along the spokes to reenter the high disturbance region of the nozzle. Additionally, it reduces erosion of the support spokes, particularly near the end of the spokes adjacent to the outer frame of the nozzle cap. Moreover, it reduces erosion of the interior wall of the outer frame of the nozzle cap. In another embodiment the support spokes have a non-planar inlet surface to improve atomization and to reduce erosion of the support spokes and the interior wall of the outer frame.

Abstract: A vapor-phase film growth apparatus includes a substrate holder for holding a substrate, a gas ejection head, and a radiant heat shield device. The substrate holder has a substrate heater therein, and the gas ejection head has a gas injection surface for ejecting a material gas toward a substrate held by the substrate holder. The radiant heat shield device is disposed between the substrate holder and the gas injection head in confronting relationship to the gas injection surface of the gas ejection nozzle. The substantially planar radiant heat shield device is permeable to gases and has a heating capability.

Abstract: A cleaning lance provided in which water from an inlet is directed either to an upper, rinsing barrel or to a lower, foamer barrel. The latter is provided with a mixing chamber having an inlet for detergent supplied via a flow control valve. A water jet injected into the mixing chamber via a venturi nozzle draws in and mixes with the detergent and the resulting mixture is ejected by a further venturi nozzle and draws in air from an exterior air inlet to form a jet of cleaning foam.

Abstract: In fluidized catalytic cracking, enhanced efficiency is produced through the use of a spray nozzle having two transversely elongated discharge orifices for effecting fine atomization of liquid hydrocarbon feed as the latter is sprayed from the nozzle. The orifices preferably are inclined so as to produce a converging spray but can be inclined to produce a diverging spray or a substantially flat spray. Alternative forms of pressurized air atomizing heads are disclosed.

Abstract: An atomizer for atomizing a liquid has a gas chamber adapted to be connected to a supply of gas and a liquid chamber adapted to be connected to a source of liquid. A mixing tube extends from the gas chamber in a downstream direction, and atomizing gas flows through the tube at subsonic speed. A liquid conduit fluidly connects the liquid chamber with the mixing tube so that liquid from the conduit can be entrained in the gas flow for discharging a mixture of gas and partially atomized liquid from the tube. The mixture then flows through an exit gap to the exterior of the housing. The exit gap has several successive shear steps which contact the mixture as it flows through the gap to thereby substantially fully atomize the liquid as it is being discharged from the atomizer.

Abstract: A continuous gas fluidized bed process for the polymerization of an olefin monomer, especially ethylene, propylene, or mixtures of these with other alpha-olefins, wherein monomer-containing recycle gas employed to fluidize the bed is cooled to condense out at least some liquid hydrocarbon. The condensed liquid, which can be a monomer or an inert liquid, is separated from the recycle gas and fed directly to the fluidized bed, through a gas-induced atomizer nozzle, to produce cooling by latent heat of evaporation. The nozzle is provided with a mechanical device within the liquid inlet of the atomizing chamber, that preatomizes the liquid so that the nozzle requires reduced amounts of gas compared with conventional gas-induced atomizer nozzles.

Abstract: A vehicle washing apparatus of the gantry type is adapted to reciprocate linearly along the length of a vehicle. Both upper washing mechanisms and side washing mechanisms are tiltably mounted on the gantry so as to tilt around the front and rear of the vehicle for optimal cleansing thereof. Pairs of fixed spray nozzles for delivering a pre-soak solution are positioned along each side and the top of the apparatus with one nozzle in each pair being angled rearwardly relative to a vehicle to spray the front and a side of the vehicle and another nozzle in each pair being angled forwardly relative to a vehicle to spray the rear and a side of the vehicle. An auxiliary delivery system for a paint conditioner or the like is disposed on the gantry for delivering the solution to the sides and top of the vehicle in horizontal rows and may be delivered in different colors for aesthetic purposes. The paint conditioner can be rinsed from the vehicle with the tiltable washing mechanisms.

Abstract: A device for introducing CO.sub.2 into a preferably liquid extinguishing medium includes a housing (1) with a feed line (2) for extinguishing fluid, a feed pipe (4), provided with a metering valve (3), for CO.sub.2, as well as an outlet line (5). The housing (1) is aligned with its longitudinal axis vertical; the feed line (2) for extinguishing fluid is connected to the housing at the lower end thereof; the outlet line (5) branches off from the upper end of the housing. The CO.sub.2 feed pipe (4) opens into the housing from above, extends as far as the lower end thereof and is provided at the pipe end with injection fluid (6). The CO.sub.2 is directed in the feed pipe in the opposite flow direction to the extinguishing fluid; the length of the feed pipe between the metering valve (3) and injection fluid (6) is dimensioned such that during operation with the metering valve (3) closed a gas cushion (7) forms on its downstream side.

Abstract: One aspect of the present invention is a spray gun adapted for spray-applying fiber-reinforced resins with ceramic fiber loadings of at least about 55 wt-%. Such novel spray gun has an inlet for admitting the fiber-reinforced resin; an air inlet for atomizing the fiber-reinforced resin; a catalyst inlet; and an outlet for expelling catalyzed fiber-reinforced resin from the spray gun. The spray gun also has a straight-line delivery channel in fluid communication with the resin inlet, the catalyst inlet, and the outlet. A flow actuator is provided for selectively actuating admission of the fiber-reinforced resin and the catalyst into the spray gun. The resin inlet and the catalyst inlet are disposed for admitting resin and catalyst, respectively, in line into the straight-line delivery channel.

Abstract: A multiple hole, preferably a two hole spray dispensing system and sprayer in which colliding streams of viscous fluid are dispensed to the atmosphere are provided. The spray dispenser includes a reservoir for storing a fluid product. An aerosol or manually pressurized dispensing system preferably a hand held dispensing system may be used. Liquid is delivered from the reservoir under pressure to a delivery passageway. A nozzle having two or more outlets to the atmosphere is mounted to the delivery passageway to provide colliding streams of liquid. Baffles are provided to disrupt the flow of liquid in the stream prior to the collision of the streams to provide an improved spray pattern.

Abstract: A spray nozzle assembly is disclosed which includes a nozzle body having opposed inlet and outlet ends and an elongated passage extending therebetween. A fluid inlet passage communicates with the elongated passage through a side wall of the nozzle body. A member is disposed within the elongated passage and has a neck portion, a head portion, and an air passage extending therethrough. An annular chamber is defined by the elongated passage and the neck portion. The head portion cooperates with a shoulder defined within the elongated passage and has an outflow slot intersecting the air passage. Fluid is fed through the fluid inlet passage into the annular chamber, is metered into the outflow slot, and therein mixed with air emanating from the air passage.

Abstract: A method and apparatus for droplet generation in agricultural or other spraying comprises supplying air and liquid to a supply chamber having an outlet opening, and entraining the liquid in the air flow for droplet formation. Air and liquid are injected into the supply chamber which has a closed end target wall toward which the liquid is directed in the form of a jet and from which the liquid moves outwards towards the outlet opening for droplet formation. The supply of air and liquid at suitable pressures to the chamber and so that the liquid proceeds with direction change to the outlet causes the droplets formed to have a size particularly suitable for effective coating of plant material, and the momentum provided to the droplets by the air enables controlled direction of the resulting spray mist even at very low liquid volumes per hectare.

Abstract: An anti-crossover nozzle with two principle pieces that snap together, having a forward end portion with a dispensing opening, a rear end portion which includes at least a pair of inlets. Each inlet has a center passage, therethrough and at least two valve leaflets biased by their own inherent resiliency to a normally closed position covering openings in the passages. There is at least one point of attachment formed between an interior surface of the rear end portion and the valve leaflets. The leaflets are displaced from their normally closed position by the force of incoming liquid foam components.

Abstract: A modular abrasive agent water jet cutting head (1) has a nozzle (4) issuing a high-speed water jet (16), a mixing chamber (10) through which the high speed water jet passes (16), an abrasive agent supply line (14), and a focussing nozzle (15) forming the outlet of the mixing chamber (10). A dosing unit (12) has an axial passage of the high-speed water jet (16). The passage (18) has one or more expansions or channels (11) extending radially and which are of reduced cross section at the passage. There are preferably in each case are formed as a slits, which are only slightly wider than the diameter of the thickest abrasive particle. The expansion or channel (11) is closely connected to the passage of the high-speed water jet (16) and introduces the abrasive agent into a chordal section of the water jet (16) which is oriented in the direction of the cutting action. From there the high-speed water jet (16) receives a track of abrasive agent on its surface.

Abstract: Mixing means, for producing a flow mixture of oil and steam, is combined with an atomizing nozzle to provide a nozzle assembly which produces a jet of very fine oil droplets. The nozzle assembly is used in conjunction with a reactor, such as a fluidized bed coker. The mixing means comprises a pipe, external of the reactor, having separate, spaced apart inlets for oil and steam. The steam inlet is upstream of the oil inlet. A reducing diameter nozzle is positioned in the pipe bore between the inlets, for accelerating the steam. The steam contacts the oil and turbulently moves down the pipe bore to produce what is known as a "bubbly flow" mixture. The mixture is fed to the nozzle, which is internal of the reactor.

Abstract: An underfed burner has an elongated cylindrical body closed at both ends and a feed tube connected between the ends for feeding an air and gas fuel mixture into the burner through an entry portal. A pressure dispersing baffle is formed within the entry portal integral with the body of the burner and deflected downwardly into the interior of the burner. The baffle is in the form of two flaps supported by a rib integral with the body of the burner and extending across the entry portal. The baffle is formed by a die and a punch carried by the die. The die forms a depression about the opening created by the deflected baffles to define the portals and extends gradually longitudinally away from the flaps while the punch cuts the material to form the portal, the rib and the baffle flaps. A pair of mandrels enter the body of the burner from respective ends to provide support for the die and punch.

Abstract: A robot arm mounted apparatus for high speed streaming of high viscosity, two-part adhesive onto a workpiece. The apparatus employs a shortened, temperatured-conditioned mixing tube and a compact, end effector package of dispense metering equipment associated directly with the mixing tube on the end of the robot arm, rather than mounted remotely as in prior art systems. In a preferred form a pressurized cylinder, displacement rods and chambers, dispense metering valves and shortened, temperature-conditioned mixing tube are connected to one another directly in serial fashion on the end of the robot arm. The mixing tube is preferably modified with a removable, damage-resistant nozzle designed especially for streaming.

Abstract: A misting system is provided which includes a source of forced air and an air conduit for conveying the forced air that is operably connected to the source of forced air and which includes at least one air opening to allow the forced air to escape the conduit. The mist is provided from a source of dispersant and the system also includes a dispersant conduit for conveying the dispersant from the source. This conduit in turn includes at least one dispersant opening for dispersing the dispersant in the form of a mist. The at least one dispersant opening is disposed adjacent the at least one air opening so that the mist exiting from the dispersant opening is entrained in the forced air escaping the conduit to assist in its further dispersion and mixing with the air.

Abstract: A reactant gas ejector head enables a process gas mixture of a uniform concentration and composition to be delivered to the surface of a substrate in a stable and uniform thermodynamic state by preventing premature reactions to occur along the gas delivery route. The reactant gas ejector head comprises an ejection head body having a back plate and a nozzle plate for defining a gas mixing space therebetween. The nozzle plate has numerous gas ejection nozzles. A gas supply pipe is communicated with the ejection head body through a center region of the back plate so as to separately introduce at least two types of gaseous substances into the mixing space. Gas distribution passages are formed between the back plate and the nozzle plate in such a way as to guide the at least two types of gaseous substances from the gas supply pipe to be directed separately towards peripheral regions of the gas mixing space.

Abstract: A nozzle, and hydrocarbon conversion process using the nozzle for atomizing heavy feed to conversion zone, are disclosed. A liquid feed stream is atomized by radial out-to-in impingement of atomizing vapor, discharged onto an imperforate central region of a perforated plate in one end of a nozzle barrel, then sprayed through an outlet in the other end of the nozzle barrel. Preferably two perforate plates are used, a first at one end of the nozzle barrel and a second between the first plate and the outlet, which is preferably an elliptical orifice.

Abstract: In fluidized catalytic cracking, enhanced efficiency is produced through the use of a spray nozzle having two transversely elongated discharge orifices for effecting fine atomization of liquid hydrocarbon feed as the latter is sprayed from the nozzle. The orifices preferably are inclined so as to produce a converging spray but can be inclined to produce a diverging spray or a substantially flat spray. Alternative forms of pressurized air atomizing heads are disclosed.

Abstract: A housing body of a fuel injector has a multi-part design; it includes a base member and at least one calibrating sleeve. Air is supplied and metered in through the calibrating sleeve, while the base member is used for sealing and attachment purposes. A dimensionally accurate machining of calibrating sleeves can be carried out simply and cost-effectively. The structural design easily yields many different variants. The fuel injector is especially suited for fuel-injection systems of mixture-compressing internal combustion engines having externally supplied ignition.

Abstract: A fluid spray nozzle that mixes a pressurized gaseous propellant and paint composition prior to being applied to a workpiece. The nozzle includes an upstream section for receiving the pressurized gaseous propellant. The nozzle directs the gaseous propellant and the fluid composition into a recirculation cavity. The gaseous propellant and fluid composition are received in a downstream section after mixing in the recirculation cavity. The recirculation cavity has lobes on opposite sides of a flow path defined in a region in the recirculation cavity between an inlet opening and the recirculation cavity. The recirculation cavity is formed by silicon micromachining the upstream section, fluid injection section, recirculation cavity and downstream section. The gaseous propellant may be accelerated to supersonic speeds prior to entering the recirculation cavity.

Abstract: A cap is disposed internally of a spray nozzle and effects active atomization of pressurized liquid flowing through the nozzle by mixing with compressed air and creating turbulence in the liquid during the flow. The nozzle includes an internal cap which cap which imparts significant turbulence on the flow through the nozzle serving to help atomize the liquid using a reduced amount of air energy. Different caps may be used to create various selected spray patterns.

Abstract: A nozzle arrangement for a medium expansion foam fire extinguisher. The nozzle arrangement comprises a discharge tube with a discharge port for the foam at one end. At the other end there is a full cone supply nozzle for the foam concentrate solution. The tube has air inlets in line with the outlet from the spray nozzle. A mesh screen is located between the supply nozzle and the discharge outlet.

Abstract: A two-fluid atomizing nozzle incorporating a novel nozzle cap is described. The nozzle cap comprises support spokes which couple a pintle to the outer frame of the nozzle cap for holding the pintle in position. The support spokes comprise dams which prevent liquid from flowing along the length of the support spokes to the outer frame of the nozzle cap. This improves atomization by causing any liquid which flows along the spokes to reenter the high disturbance region of the nozzle. Additionally, it reduces erosion of the support spokes, particularly near the end of the spokes adjacent to the outer frame of the nozzle cap. Moreover, it reduces erosion of the interior wall of the outer frame of the nozzle cap. In another embodiment the support spokes have a non-planar inlet surface to improve atomization and to reduce erosion of the support spokes and the interior wall of the outer frame.

Abstract: A low pressure spraying assembly for mixing and initiating the reaction of a first liquid reactive polymeric material, such as an isocyanate terminated compound, with a second liquid reactive polymeric material, such as an hydroxyl terminated compound or polyol resin, to form a two part polymer, such as polyurethane, and spraying the polymer onto a surface. The spraying assembly includes a material circulating system and a spray gun assembly. The material circulating system comprises separate multiple diaphragm pumps, drive assemblies, flow meters and feedback controllers for each material. The spray gun assembly includes a manifold with a pair of fluid ports for receiving the first and second polymeric materials. A mixing device is mounted to the manifold for mixing the materials to form the two part polymer. A spray tip with an air cap is mounted to the distal end of the mixing device for spraying the polymeric material.

Abstract: A mixing and dispensing system for two reactive fluids, such as two-component polysulfide sealants, in which the dispensed fluids are supplied to a hand operated mixing and dispensing gun through a pair of flexible hoses suspended above the floor from a pivotal boom. The flexible hoses are pivotally attached with swivel joints onto the inlets of the gun that are spaced on opposite lateral sides of the gun, and the swivels are rotatable about a common generally horizontal pivot axis. The gun is fully weight supported in an operative position above the floor with a tool balancer attached to the boom. The tool balancer includes an adjustably tensioned and extendable line that is pivotally attached to the top of the gun body and rotatable about a generally vertical pivot axis.

Abstract: A fire fighting nozzle wherein an additive fluid, such as foam concentrate or other liquid or gas, is supplied to a fluid passageway located peripherally along portions of a nozzle barrel wall and is discharged proximate the barrel discharge end, and preferably including educting the additive fluid into the nozzle using flow of the liquid through the barrel.

Abstract: Plural liquid streams supplied to a foam tube of a nozzle include an outer hollow cylindrical stream surrounding a plurality of spaced-apart inner streams for enhancing mixture of air and liquid in the foam tube.

Abstract: The nozzle effects three stages of liquid atomization. The first stage is carried out by means of a single liquid orifice and an expansion chamber containing an impingement pin. A high velocity stream of liquid is discharged through the liquid orifice and is broken-up upon striking the flat end of the impingement pin. The second stage is produced by an air guide which reduces in area to form jets of air into a high velocity annular air curtain, the curtain passing through the liquid orifice in surrounding relation with the liquid stream and striking the broken-up flow of the first stage to atomize the particles. The mixture is then allowed to expand in the expansion chamber to reduce the tendency of the liquid particles in the atomized mixture from commingling together and reforming into larger particles. The third stage is effected by the expansion chamber and by multiple discharge orifices.

Abstract: An aerosol-foam dispenser head is mounted on a container which holds a solution of an active substance and an insoluble, gaseous propellant, and which opens a valve in the container when actuated. The dispenser head has, at the near end of its outlet channel, a throttled aperture with a relatively small flow cross section. Located in the wall of the channel, downstream of the aperture is at least one opening connecting with the atmosphere, the cross section of the opening being significantly greater than that of the throttled aperture. Located at the far end of the channel is a fine-mesh grating or screen.

Abstract: A nozzle for atomizing a liquid with a gas, such as an oil/steam or air/water mixture, injects the mixture through a plurality of orifices circumferentially spaced about the longitudinal axis of the nozzle, wherein each orifice defines an axis directed toward a respective portion of a linear target for creating a flat fan spray of substantially uniform fluid distribution. A mixing vane is mounted upstream of the orifices within the nozzle for creating a swirling or vortical flow within a mixing chamber to thoroughly mix the fluids prior to passage through the orifices. The mixing vane is in the form of a pair of transversely-extending, approximately sinusoidal vanes for creating the vortical flow and defining a central aperture for creating an axial flow within the vortical flow. The two-phase mixture is supplied to the mixing vane in a common inlet conduit.

Abstract: Photographic emulsions comprise silver halide grains which are generally produced by reacting an aqueous silver salt solution, and an aqueous halide solution in an aqueous gelatin solution in a reaction vessel. However, it may often be difficult to control the formation of the grains to produce consistent and reproducible emulsions. Described herein is an improved nucleation device for mixing photographic emulsions. The device has three inlets through which the silver salt solution, the halide solution and the gelatin are introduced into the device. The inlets are respectively connected to tube member and passages, the tube member and passages being concentrically disposed about an axis. Solutions from the tube member and passage impinge on a rotating rotor in a first mixing zone. Solution from passage mixes with the mixture from the first mixing zone at a second mixing zone spaced therefrom.

Abstract: In the method and apparatus of the invention, plural materials, such as a liquid resin and curing agent, are delivered to a dispenser body including a mixing cavity and a mixing element carried in the mixing cavity of the body and carrying a dispenser outlet. The mixing element sealingly engages the mixing cavity and forms, within the mixing cavity, a central chamber into which the plural materials are delivered. The mixing element includes a first conduit extending longitudinally between a forwardmost opening and the central portion of the mixing element, and further includes a second conduit extending transversely between a sidewall opening to the central chamber and the first conduit and containing a static mixing insert. Plural materials delivered to the dispenser body are mixed in transit through the mixing cavity, the transverse second conduit and static mixer, and the first conduit and dispensed through the dispenser outlet.

Abstract: The invention relates to a method and a device for the simultaneous atomisation and dispersion of at least two liquids using propellant gas, whereby the resulting gas-liquid mixture is led through an atomising chamber comprising expansion zones arranged in series and flows out in the form of a spray cone from a nozzle orifice mounted downstream of the atomising chamber.

Abstract: A precipitation jet includes a nozzle having an inlet for receiving liquid resin solution, a conical tip, and a plurality of circumferentially spaced apart outlets extending through the nozzle tip for discharging the resin solution. A tubular receiver is disposed coaxially with the nozzle tip and is spaced axially therefrom. The receiver includes a frustoconical impingement surface spaced axially from the nozzle tip to define therewith an annular flow channel having at opposite ends thereof a channel inlet for receiving steam and a channel outlet for discharging an atomized spray of the steam and resin solution for precipitating resin powder from the spray.

Abstract: An injector nozzle construction for producing air-filled drops of liquid includes a dosaging nozzle element coupled at its outlet to a mixing chamber provided with an air intake opening for producing a liquid/air mixture which in turn communicates with an outlet element for discharging the mixture. A particularly great uniformity and largely fluctuation-free distribution characteristic of the drops of fluid is achieved by providing between the mixing chamber and the outlet element a homogenizing and stabilizing chamber having an inlet that is substantially greater in cross-sectional size than the outlet of the mixing chamber.

Abstract: An atomizer includes a housing that has a plurality of atomizing nozzles which will atomize a solution containing small particles that are to be carried in an output aerosol. The atomizer nozzles are surrounded by a ring-like surface against which the atomized material impinges to collect large droplets and to cause secondary atomization of the liquid impinging on the ring-like surface. The ring-like surface can have many different cross-sectional configurations for obtaining different results in secondary atomization and droplet collection.

Abstract: The invention relates to an apparatus containing two syringes whose outlets terminate in a spray head with spray nozzle (atomizer). This apparatus is suitable for spraying, and where appropriate applying to a surface, two liquids as mixture. These liquids are preferably the components of an adhesive system, especially of a tissue adhesive.

Abstract: A dual fluid spray nozzle adapted to produce a finely atomized spray of a liquid includes a body which encloses a first atomization chamber, a nozzle tip, and a plate disposed between the first atomization chamber and the nozzle tip so as define a second atomization chamber. The plate defines a plurality of passages through which liquid passes from the first atomization chamber into the second atomization chamber and is further atomized. The nozzle may include a plurality of plates and more than two atomization chambers. In such embodiments, each plate has a reduced total cross-sectional area of passages relative to the preceding plate.

Abstract: There is provided an improved composition for rapid setting, sprayable cementitious material, as well as improved processes and systems for mixing and placing such materials. The composition comprises a sprayable mixture of cement forming ingredients, such as silicon dioxide, magnesium oxide, and an aqueous metal phosphate solution. The process for mixing and placing such a composition uses serially connected dry material feed receptacles which are independently pressurizable and are isolatable from ambient conditions after loading to provide substantially increased throughput volume. The receptacles communicate the composition to a fluidizing element in which the material is fluidized before being formed into a slurry and atomized. Alternatively, dry and slurried material can be conveyed in a cavity pump under high pressure to achieve substantially increased throughput volume.

Abstract: A static mixing nozzle used with a dispenser system thoroughly mixes one or more liquids. The static mixing nozzle has an insert having a housing with a plurality of baffles arranged in a staggered and alternating pattern throughout the passage. The baffles cause turbulence which mixes the liquid. Static mixing nozzles with different numbers of baffles may be used in the dispenser system to accommodate the different types of concentrates and syrups which may be used. The insert is removable and may be formed in parts which can be easily separated and cleaned. The insert has a ridge with an outer diameter greater than that of the nozzle, thus allowing the insert to be manually removed.

Abstract: An improved spray head for a nozzle for atomizing a liquid with a gas has an open inner end to receive the gas and liquid, a cylindrical medial portion defining a mixing chamber for creating a liquid-gas mixture, and an outer end wall that has a plurality of orifices arranged in a spaced circular orientation about the longitudinal axis of the mixing chamber. Each orifice defines a flow axis which is directed toward a linear target located a predetermined distance from the spray head for atomizing and directing a respective portion of the liquid-gas mixture onto the linear target in an approximately planar, flat fan spray pattern. A liquid atomizer is coupled in fluid communication between an inlet conduit for the liquid and the mixing chamber for atomizing the liquid discharged into the mixing chamber and creating the liquid-gas mixture.

Abstract: A pressurized stream of liquid flowing into a body is divided into a plurality of angularly spaced jets which are rebounded in an upstream direction prior to being guided in a generally radially outward direction by a deflector surface. During flow along the deflector surface, the liquid is formed into a thin and very turbulent sheet which impinges against the edge portion of a plate and is shattered into small droplets. An annular curtain of pressurized air cross shears the droplets and breaks the droplets into finely atomized particles which are discharged through a spray nozzle.

Abstract: A nozzle assembly provides a high pressure dispersion of water particles in a misting process. The nozzle includes multiple arrayed discharge outlets into a single mixing zone wherein the discharge outlets are concentrically arranged alternating between water and gas streams. The mist from the novel arrangement is highly dispersed, providing excellent gas cooling operation with minimal maintenance.

Abstract: The static mixing element in a flow channel (7) has at least two deflectors (30) disposed on mountings (20) at a distance from the channel wall. The deflectors form an angle W of from 10.degree. to 45.degree. to the main flow direction Z. They have different orientations and the projection FZ of the deflectors in the main flow direction amounts to from 5% to 50% of the channel cross-section F. Cross-flows providing very efficient transverse mixing are therefore produced in a simple manner. When dispensing tubes (20, 21) are used as mountings a very effective mixing device is provided.