Abstract: A metal atomizing device includes a casing with an inlet tube for providing liquid metal into the casing and an outlet is defined through the casing. The inlet tube and the outlet share a common axis. A polygonal impact member is located at an outlet of the inlet tube and a plurality of gas inlets are connected to the casing so as to provide noble gas into the casing and mixed with the liquid metal that impacts on the impact member.

Abstract: An internal mix spray nozzle assembly adapted for operation with lesser pressurized air requirements. The spray nozzle assembly includes a liquid passage for directing a liquid flow stream against an impingement pin, and an air guide is provided for forming an annular pressurized air passage about the liquid flow stream for striking and atomizing a laterally spreading dispersion of liquid from the impingement surface. For enhancing liquid atomization, the air guide defines a relatively narrow width air flow opening for substantially accelerating and increasing the pressure of the atomizing air stream, and the impingement pin is formed with a relatively large primary impinging surface and a parallel downstream secondary impingement surface that facilitates further liquid particle breakdown and prevents the accumulation of liquids about the bottom of the impingement pin.

Abstract: The method of the invention comprises the steps of proportioning a foam concentrate into a non-flammable liquid to form a foam concentrate/liquid mixture and creating a flowing stream of the foam concentrate/liquid mixture. Nitrogen is introduced into the stream of the foam/liquid mixture to initiate the formation of a nitrogen expanded foam fire suppressant. In one embodiment the nitrogen is chilled below ambient temperature. The flowing stream carrying the initially nitrogen expanded foam is dispensed, which completes the full expansion of the nitrogen expanded foam fire suppressant, into the confined area involved in fire thereby to smother the fire and to substantially close off contact between combustible material involved in fire and the ambient atmosphere substantially reducing the danger of explosion or flash fires.

Abstract: The method of the invention comprises the steps of proportioning a foam concentrate into a non-flammable liquid to form a foam concentrate/liquid mixture and creating a flowing stream of the foam concentrate/liquid mixture. Nitrogen is introduced to the stream of the foam/liquid mixture to initiate the formation of a nitrogen expanded foam fire suppressant. The flowing stream carrying the initially nitrogen expanded foam is dispensed, which completes the full expansion of the nitrogen expanded foam fire suppressant, into the confined area involved in fire thereby to smother the fire and to substantially close off contact between combustible material involved in fire and the ambient atmosphere substantially reducing the danger of explosion or flash fires. The apparatus of the invention is adapted for expanding and dispensing foam and comprises a housing defining an interior through which extend a discharge line.

Abstract: A nozzle for atomizing and spraying liquid is provided. The nozzle includes a longitudinal liquid flow passageway that terminates in a liquid orifice for directing a stream of liquid along a predetermined axis. A plurality of intersecting, transverse passageways extend perpendicular to and intersect the predetermined axis. Each of the transverse passageways terminates at either end in an outlet. The transverse passageways define a first impingement surface downstream of the liquid orifice for breaking up a stream of liquid impinging thereon into a laterally spreading dispersion which disperses through the transverse passageways. An air annulus is arranged in surrounding relation to the outlets of the transverse passageways and oriented to discharge air in a downstream direction so as to strike the fluid dispersed through the outlets of the transverse passageways. An expansion chamber is arranged downstream of the transverse passageways and air annulus.

Abstract: A spray head and air atomizing assembly for providing atomizing air in an air sprayer or other delivery device in which the atomizing assembly includes converging, spiral atomizing fluid passageways.

Abstract: A fuel injector adapter for providing nitrous oxide to an internal combustion engine is disclosed. The nozzle has a central fuel injector passage that terminates at a first outlet end. Fuel from a fuel injector may be passed through the central fuel injector passage. The nozzle also has an inner annular passage arranged circumferentially around the central fuel injector passage. The inner annular passage terminates at a second outlet end. The nozzle also has an outer annular passage arranged circumferentially around the inner annular passage that terminates at a third outlet end. One or both of the inner and outer annular passages is adapted to pass nitrous oxide through it. The nozzle is adapted to fit between a fuel injector and an engine without substantial modification to the engine.

Abstract: The invention relates to a nozzle (10) for mixing a gaseous fluid such as air and a liquid such as water and for ejecting an atomized mist of liquid droplets. The nozzle includes a nozzle body defining first (60), second (44) and third (52) annular passages along the length thereof. Pressurized fluid is introduced into the first annular passage (60) and a first restricted annular orifice (68) leads from the first annular passage (60) to the third annular passage (52). Liquid is introduced into the second annular passage (44) and a second restricted annular orifice (48) leads from the second annular passage (44) to the third annular passage (52). Liquid and gaseous fluid are aggressively mixed in the third annular passage (52).

Abstract: A detonation gun for thermal spraying formed by a combustion chamber (1) and a barrel (2), with entrances for fuel (5) and for oxidizer (4), one or more spark plugs (6) for detonating the fuel-oxidizer mixture and one or more injectors (7) for the introduction of the product into the barrel, the gun in the invention centers its characteristics on the incorporation of a direct injection system of the fuel and oxidizer gases into the explosion chamber, producing explosive mixtures of different compositions according to the various zones in the explosion chamber, with a constrained volume existing in this explosion chamber in which only fuel is injected in such a way that it can generate high-energy explosions, maintaining the cyclic operation of the gun.

Abstract: A mixing device for outputting wet insulation is provided. The mixing device includes a nozzle and a plurality of control apertures that control penetration of a wetting material, such as foam with a binder, into insulation particles that are being forcibly moved through the nozzle. The control apertures can be used to provide a spray output and/or control the insulation density associated with the wet insulation output by the nozzle. The control apertures can be part of a primary conduit that can be adjustable or removable relative to a receiver space of the nozzle. Depending on the relative location of the control apertures in the nozzle receiver space, a desired insulation density can be achieved. Different primary conduits can also be provided having one or more of a different number of control apertures, sizes of the control apertures and positions thereof.

Abstract: The use of a turbulent contactor to absorb a selected gas component from a gas stream. The invention particularly applies to a method of distributing a liquid into a gas stream which comprises providing a liquid to an annulus at the periphery of a pipe in which a gas stream is flowing, the gas flow drawing the liquid into a film along the inner surface of the pipe to a sharp edge at the end of the pipe at which point the liquid breaks off the surface of the pipe and mixes intimately with the gas.

Abstract: A disposable synthetic resin spray nozzle assembly for spraying reactive multi-component liquid mixtures includes a static mixer and an air or gas manifold. The static mixer has an elongated mixing tube containing a mixing element, and a liquid dispensing nozzle is formed at the downstream end of the mixing tube. A one-piece manifold has an inner wall which includes a mixer support section sealingly mounted around the static mixer, an air inlet section for receiving an air supply through a conduit, and an air dispensing section which, together with the outer wall of the liquid dispensing nozzle, forms an air dispensing nozzle. The reactive liquid mixture is atomized by air that supplied through the air dispensing nozzle.

Abstract: A spray method for monolithic refractories, which comprises feeding, with an air stream, a monolithic refractory composition including a rapid setting agent in addition to refractory aggregates, a refractory powder, a binder and a dispersant in a powder state in a transporting pipe so that the composition is transported in a floating state; adding application water on the way of the transporting pipe; continuing the feeding of the air stream, and spraying the wet composition through a spray nozzle. In a case that the monolithic refractory composition does not include the rapid setting agent, the rapid setting agent is added at an upstream side of the top end of the spray nozzle, and then, the wet refractory composition is sprayed through the spray nozzle.

Abstract: A fuel injector is provided which includes a director, such as a ball, mounted downstream of the fuel injection port. When the valve is actuated, fuel exits the injection port. Fuel adheres to the ball until it reaches the equator of the ball. At the equator, the fuel begins to separate from the ball and forms a sheeted, cone-shaped configuration. When used with poppet valve injectors, the present invention preferably includes a wall manifold above the ball. Air from an air source, such as from the engine vacuum is introduced through the wall. Air travels through an air distribution chamber at a ninety degree angle to the direction of fuel flow. The air stream is directed to the ball's equator. This blast of air causes the fuel to atomize to a droplet size in the range of 3 to 6 microns SMD. When the invention is used with solenoid actuated fuel injectors, a ball is mounted downstream of the director plate. In this case, an air housing carries air from an air source to an air blast chamber.

Abstract: The invention provides a mixer for forming a thin oil film on a surface of a drop of water which can effectively form a drop of water with an oil film. A mixer for forming a thin oil film on a surface of a drop of water is constituted by an oil mist forming chamber for forming an oil supplied from an outer portion in a mist shape by an air stream, a drop of water forming chamber for forming a water supplied from the outer portion by the air stream containing the oil formed in a mist shape in the oil mist forming chamber in a drop of water shape so as to form a drop of water with an oil structured such that a thin oil film is formed on a surface of the drop of water, and a top nozzle for discharging the drop of water with the oil film formed in the drop of water forming chamber to an outer portion. In accordance with the structure mentioned above, it is possible to effectively form the drop of water with the oil film.

Abstract: Apparatus for reducing the total pressure of a compressible fluid fuel. The apparatus includes at least two closely spaced apart constant enthalpy expansion sections, each section having at least one orifice, the orifices in adjacent sections being noncoaxial. The pressure reduction lowers flow velocity when mixed with the air to below the flame speed to promote ignition and stable combustion.

Abstract: A gas mixture of dry steam and nitrogen gas serving as carrier gas is blown into a hot water mist injection port for rendering the nitrogen gas serve as a medium absorbing latent heat of condensation, thereby smoothly progressing condensation of water vapor and efficiently forming hot water mist. The water vapor is condensed in the hot water mist injection port formed by a cylindrical pipe for supplying latent heat of condensation to the nitrogen gas and dilating the same, thereby accelerating the flow of the hot water mist and spraying the hot water mist to a substrate from the hot water mist injection port at a high speed. Small droplets contained in the high-speed hot water mist have high kinetic energy and high thermal energy, for exhibiting a large colliding effect and a high activation effect with respect to small contaminants adhering to the substrate. A substrate cleaning apparatus capable of spraying hot water mist attaining a high cleaning effect to a substrate is provided.

Abstract: A fluid inlet suitable for introducing a hot exhaust gas into the air intake tract of an internal combustion engine. The exhaust gas is conducted through an inlet pipe (15) and a deflector (18) into the intake pipe or tract (13). A preferably tubular insert (23) is disposed in the intake tract (13). The insert has walls (22) which are oriented in the direction of flow of the aspirated exhaust gas. The fluid inlet reduces the thermal stress on the walls of the intake tract (13) to a minimum and makes high exhaust recovery or recirculation rates possible. In order to additionally support cooling of the insert, the insert may be provided with apertures (26) through which a secondary air current of the intake air which flows through an intermediate chamber (25) can shift to the interior of the tube in order to achieve film cooling of the insert (23).

Abstract: A detonation gun for thermal spraying formed by a combustion chamber (1) and a barrel (2), with entrances for fuel (5) and for oxidizer (4), one or more spark plugs (6) for detonating the fuel-oxidizer mixture and one or more injectors (7) for the introduction of the product into the barrel, the gun in the invention centers its characteristics on the incorporation of a direct injection system of the fuel and oxidizer gases into the explosion chamber, producing explosive mixtures of different compositions according to the various zones in the explosion chamber, with a constrained volume existing in this explosion chamber in which only fuel is injected in such a way that it can generate high-energy explosions, maintaining the cyclic operation of the gun.

Abstract: A nozzle 10 which receives first and second materials 24, 30 and which has an outlet aperture 18. The first material 24 is received within the outlet aperture 18 and is atomized by the second material 30 within the outlet aperture 18 before it is emitted from the nozzle 10 and applied to a targeted location and/or object 26.

Abstract: The present invention provides new compressed air foam systems for use as firefighting equipment. One compressed air foam system has a water inlet connected to a water flow path through the compressed air foam system. A water and foam chemical mixer is flow connected to the water inlet and has a foam chemical inlet and a water/foam chemical outlet. An air compressor is provided which has an air inlet, an air outlet, and an air flow controller at the air inlet. A foam mixer is flow connected to the water/foam chemical outlet of the water and foam chemical mixer and to the air outlet of the air compressor. The foam mixer has a foam outlet which provides firefighting foam to a fireman's hose for application to a fire. A control system has a sensor in sensing relationship with the water flow path through the compressed air foam system for sensing water flow.

Abstract: An ejector is provided with an Interior surface wetting device for introducing a cleaning liquid into a suction chamber of the ejector to form a thin wall of the cleaning liquid covering an interior surface of the ejector. The interior surface wetting device includes a cleaning liquid inlet opening to be fluidly connected to a source of cleaning liquid and a cleaning liquid outlet opening for introducing the cleaning liquid into a suction chamber The wetting device may be in the form of a pipe which extends from the outside of the ejector into the suction chamber to supply a cleaning liquid to a desired portion in the suction chamber.

Abstract: A nozzle 10 including a member 12 which selectively receives a first material 18 and a second material 22, and which selectively atomizes the second material 22 by use of the first material 18. The nozzle 10 further includes a diffuser member 50 which receives the atomized second material 22 and which diffuses the received and atomized second material 22 while substantially, concomitantly, and tangentially applying the first material 18 to the diffused second material 22, thereby allowing the atomized second material 22 to be desirably deposited upon a target location 7 and/or object 9.

Abstract: An apparatus is disclosed for kinetic spray coating of substrate surfaces by impingement of air or gas entrained powders of small particles in a range up to at least 106 microns accelerated to supersonic velocity in a spray nozzle. Preferably powders of metals, alloys, polymers and mixtures thereof or with semiconductors or ceramics are entrained in unheated air and passed through an injection tube into a larger flow of heated air for mixing and acceleration through a supersonic nozzle for coating of an article by impingement of the yieldable particles. A preferred apparatus includes a high pressure air supply carrying entrained particles exceeding 50 microns through an injection tube into heated air in a mixing chamber for mixing and acceleration in the nozzle. The mixing chamber is supplied with high pressure heated air through a main air passage having an area ratio relative to the injection tube of at least 80/1.

Abstract: A nozzle assembly for a gas burner includes a nozzle body having a tip end and an open end in which three netted members and a stop ring are received. An aperture is defined through a periphery of the nozzle body and the aperture communicates with an interior of the nozzle body and the open end. A space is defined between two adjacent netted members so as to provide a space for mixing gas and air.

Abstract: A dispensing nozzle device for dispensing processing materials to an output region, includes a body and a plurality of first conduits. The body is formed with a first chamber, a second chamber, a plurality of through holes in communication with the first chamber and the second chamber, and a dispensing nozzle conduit for communicating the second chamber with the output region. The plurality of first conduits are respectively in communication with the plurality of through holes and have a plurality of openings received within the second chamber. A gap is formed between each of the first conduits and corresponding one of the plurality of through holes.

Abstract: A slurry spray machine for spraying a settable slurry includes a main passageway configured for receiving a supply of pressurized slurry and having a supply end and an outlet end opposite the supply end. A first compressed gas inlet is disposed intermediate the supply and outlet ends and in fluid communication with the passageway for introducing a first supply of pressurized gas into the slurry, and a second pressurized gas inlet is disposed closer to the outlet end than the first inlet and in fluid communication with the passageway for introducing a second supply of pressurized gas into the slurry. A pressurized supply of adjuvant is provided in fluid communication with the second pressurized gas inlet for providing a blended gas to the second gas inlet. At least one valve is provided for controlling the flow of slurry through the passageway and the flow of the first and second gases into the passageway.

Abstract: A fryer system has a vat containing at least one heat exchange tube, and a gas supply port. A venturi is connected at a first end to the gas supply port. A nozzle of a burner is located proximate a first end of a heat exchange tube. At least three elbows operably connect the venturi to the nozzle. A first elbow is connected to the venturi and a length of conduit, a last elbow is connected to the nozzle and a length of conduit, and each other elbow is connected to adjacent elbows by lengths of conduit.

Abstract: Disclosed is a coating apparatus, comprising: a first stream-combining valve communicating with each of a first solvent tank and a resist solution tank, a first pump for supplying an initial resist solution from the resist solution tank toward said first stream-combining valve, a second pump for supplying a solvent from said first solvent supply toward said first stream-combining valve, a first mixer for mixing under stirring the initial resist solution flowing out of said first stream-combining valve with a solvent, a second stream-combining valve arranged downstream of said first mixer and communicating with each of the first mixer and said second solvent supply, a third pump for supplying the solvent from said second solvent supply toward the second stream-combining valve, a second mixer for mixing under stirring said primary mixed liquid material coming out of said second stream-combining valve with a solvent so as to prepare a final mixed liquid material, a nozzle equipped with a liquid spurting port for

Abstract: The present invention provides a mixing block for mixing fluid components of a multi-component system and which includes at least two component inlets, wherein each component inlet receives a respective component or components of the multi-component system; and a solvent inlet, wherein the solvent inlet receives solvent for use in cleaning the mixing block. The mixing block further includes at least two flow channels, which intersect, wherein an upstream end of each of the intersecting flow channels is connected to at least one of the component inlets and a downstream end of each of the intersecting flow channels is connect to a mixed material reservoir, wherein the mixed material reservoir is further connected to and supplies mixed material to an outlet.

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: Provided are an air passage (17) extending from one end surface of a body (16) toward the other end of the body, a throat (18) extending from a downstream end of the air passage (17) toward the other end of the body, an elongated mixed gas passage (19) extending from a downstream end of the throat (18) to the other end of the body (16), an ozone passage (20) extending from an outer lateral surface of the body (16) toward a portion near an upstream end of the mixed gas passage (19), an ozone injection port (21) communicating from a downstream end of the ozone passage (20) to the portion near the upstream end of the mixed gas passage (19). A ratio of the cross-sectional area of the mixed gas passage (19) to that of the throat (18) is set to about 2. Thus, the air-ozone mixed flow is discharged out of the mixed gas passage (19) without substantially reducing the pressure of the mixed flow to ensure spraying pressure for atomizer nozzles.

Abstract: A nozzle arrangement comprising a plurality of nozzle assemblies arranged in an axially aligned and spaced apart arrangement, with a gas and/or liquid inspiration zone between the nozzle assemblies. Each nozzle assembly has a flow passage with an expansion zone formed proximate the outlet end thereof, and at least one discontinuity in the expansion zone formed as an annular shoulder followed by a cylindrical portion, which serves to minimize the build up of a liquid film on the inside surface of the flow passage.

Abstract: Disclosed is a coating apparatus, comprising: a first stream-combining valve communicating with each of a first solvent tank and a resist solution tank, a first pump for supplying an initial resist solution from the resist solution tank toward said first stream-combining valve, a second pump for supplying a solvent from said first solvent supply toward said first stream-combining valve, a first mixer for mixing under stirring the initial resist solution flowing out of said first stream-combining valve with a solvent, a second stream-combining valve arranged downstream of said first mixer and communicating with each of the first mixer and said second solvent supply, a third pump for supplying the solvent from said second solvent supply toward the second stream-combining valve, a second mixer for mixing under stirring said primary mixed liquid material coming out of said second stream-combining valve with a solvent so as to prepare a final mixed liquid material, a nozzle equipped with a liquid spurting port for

Abstract: A two-fluid cleaning jet nozzle has an atomizing unit provided with an atomizing tube in which a liquid is atomized by a pressurized gas into liquid droplets, and an accelerating unit provided with an accelerating tube which accelerates and jets the liquid droplets against the surface of a workpiece to remove dust particles adhering to the surface of the workpiece. The sectional area of the atomizing tube available for gas flow is greater than the sectional area of the accelerating tube available for flow of the gas and the liquid droplets. The accelerating tube has the shape of a straight cylindrical tube or a Laval nozzle.

Abstract: A self-educting, high expansion, multi-agent nozzle of the type for educting more than one chemical and mixing these chemicals with a motive fluid stream within the nozzle and ejecting the mixed fluid stream is provided. The self-educting, high expansion, multi-agent nozzle including a body having an eductor section and a barrel section, the eductor section forming a vacuum chamber and a first and second chemical port adapted for connecting to a first and second chemical source respectively, the barrel section forming a pathway between an inlet from the eductor section to an open discharge end; a head forming a tapered conduit between an open motive fluid end adapted for connecting to a motive fluid source and an open exit end, the head connected to an open head end of the eductor section in a manner such that the exit end is disposed within the vacuum chamber; a barrel sleeve movably connected to an exterior surface of the barrel section; and a diffuser mounted within the pathway of the barrel section.

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 plural component airless spray gun for reactive liquid materials has a mix chamber into which coreactive liquid components are introduced and mixed, an airless tip at a forward outlet from the chamber from which the mixed components are emitted in a fan-shaped spray, and a mechanically operated purge rod for cleaning residual reactants from the mix chamber and airless tip. The purge rod has a main body of a diameter slightly less than that of the mix chamber and a probe at its forward end that geometrically conforms to and is adapted to enter into and clean the inside of the spray tip. During spraying the purge rod is retracted in the mix chamber rearwardly of liquid reactant inlets to the chamber. Upon completion of spraying or periodically as desired, the purge rod is moved forwardly to clean the mix chamber and the inside of the airless tip of residual reactive components.

Abstract: A controllable spray nozzle assembly with an elongated discharge passageway is provided with a short discharge orifice and valve seat insert element that is made separately for ease and accuracy of providing its orifice and valve seat and is mounted in sliding sealing relation with the outlet end of the passageway. A valve needle extends into the passageway and is selectively movable along the passageway for shut-off and/or flow rate control of the spray flow by the related axial positioning of its seat end relative to the separate discharge orifice and valve seat element that is inserted at the outlet end of the passageway. The separate discharge element has an external configuration that conforms to a portion of the nozzle body adjacent the outlet end for such seating thereon. The element's internal configuration defines a small discharge orifice through the element and a valve seat around the inner end of that orifice in opposed relation to the seat on the valve needle.

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: A fuel injection assembly for a combustion chamber of a gas turbine engine is disclosed in which a plurality of premixing chambers are in communication with the combustion chamber and adjacent pairs of the premixing chambers are connected to a single prevapoization chamber by prevaporization conduits. Fuel is injected into the prevaporization chamber via a fuel injector and is mixed with oxidizer passing into the prevaporization chamber such that the fuel/oxidizer mixture has a richness exceeding the stoichiometric ratio. The fuel/oxidizer mixture passes into the prevaporization conduits through a diaphragm opening and, upon entering the premixing chamber, is mixed with additional oxidizer such that the fuel/oxidizer mixture in each premixing chamber has a richness less than the stoichiometric ratio.

Abstract: A fuel injection apparatus which is suitable for use with the combustion apparatus of a gas turbine engine, is adapted to produce reduced amounts of noxious emissions. The apparatus comprises a central core which is provided with two fuel supply ducts. The first fuel supply duct supplies fuel for atomization in a swirling airstream; the atomized fuel being subsequently thoroughly mixed with air in an axially elongate mixing duct. The second fuel supply duct supplies fuel to the downstream end of the core where the fuel is atomized by an air flow through a duct surrounding the core before being exhausted from the core downstream end.

Abstract: A fuel oil burner has an inlet tube connected to a source of fuel oil and openings in that tube for introducing air or steam into the stream of fuel oil. Located downstream of the openings in the inlet tube is an atomizing element consisting of a plurality of stacks of corrugated plates. The plates in each stack are positioned so that adjacent plates have corrugation directions which are skewed. The configuration of the corrugated plates in each stack provides a plurality of intersecting pathways creating turbulent flow through the atomizing element to atomize or break the fuel oil into small droplets.

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: A two-component foam spray gun is readily disassembled for cleaning. It includes a body (1) with reactant (12, 14) and purge gas (16) inlet ports. A moldable valve packing (32) inside the body has a tapered conical interior surface (142), and apertures which match the reactant ports. A valve/tip (40) has a conical outer surface (48) which mates with the valve packing (32). The valve/tip (40) is held in place by a moldable packing washer (34), held at non-constant pressure by a screw (36, 38). The interior of the valve/tip (40) houses a removable mixing chamber (50). The mixing chamber (50) has direct flow orifices (60) and an auxiliary flow path (58, 60) which ameliorate pressure surges. The spray gun can be disassembled for cleaning without disturbing the seal, by removing the valve/tip (40) to the rear, thereby breaking it free of the conical packing. Rotation of the valve/tip (40) relative to the body (1) shuts off the reactant flow, and starts the purge gas flow.

Abstract: A dual-fluid low pressure drop atomizer utilizes extended wear life material and comprises a nozzle head having a secondary mix chamber therein for receiving a mixture of a first compressible fluid and a second fluid containing solids from a primary mix chamber. The nozzle head also has an orifice therein communicating with and adjacent to the secondary mix chamber for discharging a jet of the mixture. The orifice and the secondary mix chamber form an approximate right angle therebetween. An inner barrel is connected to the nozzle head at the primary mix chamber and supplies the first fluid to the nozzle head. An outer barrel is arranged around the inner barrel creating an annulus therebetween and is also connected to the nozzle head for supplying the second fluid to the nozzle head. Wear resistant material provided in the primary and secondary mix chambers reduces erosion within the atomizer head.

Abstract: A liquid soap supplying device of the present invention includes a tank for storing liquid soap, a discharging nozzle communicating with the tank through a pipe, a liquid soap supplying device for supplying liquid soap in the tank to the discharging nozzle, an air supplying device communicating with the discharging nozzle through a pipe and a mixing chamber for liquid soap and air arranged in the discharging port of the discharging nozzle. The liquid soap and air supplied under operation of each of the supplying devices are mixed and agitated in the mixing chamber so as to discharge the bubbled liquid soap. A pressuring device communicates with the air accumulation part at an inner upper part in the tank. An air feeding pipe is connected to the air accumulation part, and the liquid soap and air in the tank are fed to the discharging nozzle under an operation of the pressurizing device.

Abstract: A discharge head is connected to a double pump for air and liquid. The air and liquid are separately passed by pump actuation through a flow calming member and then into a combining member in a way such that the air enters in the form of numerous individual jets and under a low pressure and at a low flow rate into a liquid-wetted screen unit provided in a widened chamber. In the vicinity of the screen unit which are supplied with liquid from a chamber, the liquid can be foamed in a stepwise manner with the aid of air until the foam is discharged ready for use through an end channel.

Abstract: A dual-fluid low pressure drop atomizer utilizes extended wear life material and comprises a nozzle head having a chamber therein for receiving a mixture of a first compressible fluid and a second fluid containing solids. The nozzle head also has an orifice therein communicating with and adjacent to the mix chamber for discharging jets of the mixture. The orifice and the mix chamber form an approximate right angle therebetween. An inner barrel is connected to the nozzle head at the mix chamber and supplies the first fluid to the nozzle head. An outer barrel is arranged around the inner barrel creating an annulus therebetween and is also connected to the nozzle head for supplying the second fluid to the nozzle head. Wear resistant material provided in the mix chamber reduces erosion within the atomizer head. A plurality of ports are provided in the nozzle head and communicate with the orifice for discharging a jet at a multiplicity of locations.

Abstract: An improved multi-component mixing and dispensing apparatus having a replaceable nozzle associated therewith in which plural components are mixed before dispensing thereof. The apparatus includes improved component feed systems to maintain each component to be mixed and dispensed in a segregated condition until mixing is desired, such that the apparatus is especially suitable for the mixing and dispensing of chemically reactive components. The component feed systems include internal passages within the apparatus and is selectively actuated valve which is operable to allow flow of a component to an outlet port formed in the apparatus. A mixing and dispensing nozzle may be coupled into the apparatus so as to communicate with the outlet ports of the component feed systems, wherein improved mixing of the plural components is achieved within the nozzle assembly.