Abstract: A flow-restricted compound spray generating device 100 includes a spray face member 120B including at least one fluidic circuit oscillator defining geometry 132 including an outlet orifice 138 in the spray face member's central area configured to aim an oscillating spray 300 having a selected oscillating spray thickness distally along a spray axis 112. The spray face member 120B also includes a plurality of non-oscillating (e.g., laminar or jet) spray generating orifices 160B arrayed evenly around the spray face member's periphery to aim a plurality of non-oscillating laminar or jet sprays 302 distally along the spray axis 112 to provide a ring of high velocity streams arrayed around the central oscillating spray 300 to generate a compound spray 310 with an outflow which has a pleasing spray density with an apparent outflow thickness which is substantially equal to the spout orifice's diameter 320.

Abstract: A spray orifice disk for a valve for a flowing fluid and, in particular, for a metering or injection valve for an internal combustion engine, including a disk body and a spray orifice set-up, which is formed in the disk body and is configured with at least one spray orifice for dispensing supplied fluid, and including at least one channel for supplying the fluid to the spray orifice. The spray orifice, the channel and/or the transition between the channel and the spray orifice being configured to form a swirl geometry of the spray orifice disk in such a manner, that during operation, due to interaction of one or more jets of the fluid emerging from the spray orifice in turbulence atomization, an oval cross-sectional pattern of the spray is formed, in particular, in the form of a flat spray.

Abstract: A flow directing apparatus for directing fluid flow includes a flow body defining a bore therethrough configured and adapted to direct fluid flowing therethrough. The bore includes an outlet and an opposed inlet with an enlargement, formed as a countersink and/or a chamfer using a suitable boring device. The enlargement is configured and adapted to reduce sensitivity to entrance-edge conditions for the bore.

Abstract: An energy-saving and high-efficiency shower head capable of producing a pulsating stream includes a main body having an inlet opening, an upper cover and a cover plate connected to the underside of the main body, a water-stop mechanism, and a face plate. The cover plate is formed with a water-passing chamber and a pulsating chamber having an oblique hole. The pulsating chamber is provided with at least two diversion holes to form two outlet passages. The water-stop mechanism is composed of an impeller and a water-stop piece disposed on the impeller. The water-stop piece alternately blocks one of diversion holes when the impeller rotates to intermittently open and close the outlet passages corresponding to the diversion holes, providing a pulsating stream effect.

Abstract: A nozzle for injecting liquid includes a nozzle body defining a flow channel and a swirl ante-chamber in fluid communication with the flow channel. An injection point orifice is defined in the swirl ante-chamber. The flow channel feeds into the swirl ante-chamber to impart a tangential flow component on fluids entering the swirl ante-chamber to generate swirl on a spray issuing from the injection point orifice. A second flow channel can be included in fluid communication with the swirl ante-chamber. The second flow channel feeds into the swirl ante-chamber in cooperation with or in opposition to the first flow channel. The first flow channel, second flow channel, and swirl ante-chamber are configured and adapted to adjust spray angle of a spray issuing from the injection point orifice by varying flow apportionment among the first and second flow channels.

Abstract: A fuel injection valve includes a valve seat 15b and a valve body 27c that cooperate with each other to open and close a fuel passage, a movable element 27 that has the valve body 27c provided at one end thereof and has a fuel passage formed therein, a valve seat member 15 having the valve seat 15b formed thereon, an upstream-side communication hole 27boa that is located upstream of the flow of fuel and connects the inside and outside of the movable element 27, and a downstream-side communication hole 27bob that is located downstream of the flow of fuel and connects the inside and outside of the movable element, in which a guide section for the valve body 27c, where the valve seat member 15 and the valve body 27c are in sliding contact with each other, is provided downstream of the downstream-side communication hole 27bob and in which a fuel passage 17h for connecting in the center axis direction the upstream side and downstream side of the guide section is provided at the same angular position in the circumf

Abstract: A nozzle plate to be attached to a fuel injection port of a fuel injection device has, in a nozzle plate main body, a nozzle hole through which fuel injected from the fuel injection port passes. A spray direction change element colliding with fuel spray injected from the nozzle hole and changing the travel direction of the fuel spray is integrally formed near an outlet of the nozzle hole of the nozzle plate main body. Accordingly, the travel direction of spray is determined by the spray direction change element according to the shape of the intake pipe, the position of an intake port, and the like.

Abstract: The present invention is a spray nozzle including a nozzle having a supply port receiving liquid and a spray orifice through which liquid is sprayed, wherein the nozzle is made by combining a plurality of nozzle-divided bodies, each of the plurality of nozzle-divided bodies having a vane element integrally formed therein to rotate the liquid provided from the supply port.

Abstract: An outlet device with hollow water curtain function includes a hollow housing and a deflecting column inserted in the housing. An annular passage is formed between the housing and the deflecting column. The housing further includes a plurality of arc-shaped inlet slots. The arc inlet slots are annularly arranged about the center of the annular passage. The internal port of the arc inlet slots is connected to the annular passage. Water flows to the annular passage through the arc inlet slots to from a hollow annular water curtain with centrifugal force. When the tangential centrifugal force of the water curtain orienting the opening angle of the housing is larger than the surface tension thereof, the water curtain breaks open to make the water flowing break open and diffuse as particles after keeping itself in a certain length. The diffused water forms a water type continuous in a certain range.

Abstract: A wet scrubber (10) useful for cleaning a process gas (F) comprising at least a first spray level system (40) and a second spray level system (48) arranged compactly vertically above the first spray level system (40) in a wet scrubber tower (14). Each spray level system (40, 48) is equipped with a plurality of atomizing flattened relatively wide spray angle nozzles (56) for atomizing an absorption liquid (AL) supplied thereto for contact and intermixing with the process gas (F) for removal of environmental pollutants therefrom.

Abstract: A fuel injector configured as a high-pressure injection valve for the direct injection of fuel into a combustion chamber includes: a housing having an housing end face on the combustion chamber side; an actuator; a valve-closure member operable by the actuator; at least one outlet orifice in the housing end face on the combustion chamber side for the fuel, the valve-closure member selectively closing or opening the outlet orifice; and a ring provided round about the outlet orifice in the housing end face on the combustion chamber side.

Abstract: An object of the present invention is to provide a fuel injection valve that is made superior in atomization performance by preventing an influence of minute deformation occurring when an orifice plate is assembled to a nozzle body, thereby reducing fuel leakage from a swirling passage to increase the strength of a swirl flow. The valve includes a valve body openable and closable to jet fuel; a nozzle body having a valve seat surface capable of coming into contact with the valve body to block the jet of fuel; and an orifice plate disposed downstream of the valve seat surface and having a plurality of fuel injection holes adapted to jet swirl fuel. The nozzle body has an end face portion with a downwardly convex inclined surface.

Abstract: A simple, compact construction and easy manufacture of a swirl nozzle having a plurality of inlet channels and an outlet channel extending transversely thereto are made possible by the fact that the inlet channels open directly and/or tangentially into the outlet channel. Alternatively or additionally, upstream of the inlet channels is provided a filter structure having smaller flow cross-sections than the inlet channels. The swirl nozzle is used, in particular, for atomizing a liquid medicament formulation. The swirl nozzle is produced from two plate-shaped components, the outlet channel first being etched as a blind bore in one component and then opened up by grinding the component away. Alternatively or additionally, the outlet channel is formed in a different component from the inlet channels.

Abstract: A swirler including a fuel distributor is provided. Each fuel distributor includes a distribution element defining a cavity, an inlet opening arranged in the distribution element, at least one outlet opening arranged in the distribution element, and at least one third opening arranged in the distribution element, the cross-section of the at least one third opening being larger than the cross-section of the at least one outlet opening.

Abstract: A dual turbine showerhead provides multiple spray modes emanating from the head. The showerhead includes an inlet orifice, a backplate, a first turbine located side-by-side with a second turbine, a faceplate forming a first orifice group and a second orifice group, a first fluid channel in fluid communication with the first and second turbines and the first orifice group, and a second fluid channel in fluid communication with the second orifice group. In another embodiment, the showerhead includes first and a second turbines located side-by-side and a valve body that channels a fluid to the first turbine and the second turbine. In another embodiment, the showerhead includes a first and a second turbine located side-by-side along a centerline of the showerhead, a corresponding outlet region is arranged along the centerline and additional outlet regions are laterally spaced therefrom.

Abstract: A system, in certain embodiments, includes a nozzle. The nozzle includes a liquid passage, a first pneumatic passage, and an exit surface. The exit surface includes at least one recirculation inducing feature configured to reduce deposits adjacent to the first pneumatic passage.

Abstract: In a nozzle plate for a fuel injection device which can inject fuel flowed out from a fuel injection port of the fuel injection device in a sufficiently atomized state, a portion of fuel which flows in the inside of a nozzle hole impinges on an interference element, is sharply bent so as to flow backward by an impinging surface of the interference element which is formed of an annular recessed surface, is made to impinge on fuel which intends to advance straightly and pass through the nozzle hole and the orifice, and forms the flow of the fuel which intends to advance straightly and pass through the nozzle hole and the orifice into a turbulent flow. As a result, the nozzle plate for a fuel injection device further enhances the level of the atomization of fuel.

Abstract: Various embodiments include apparatuses adapted to be used as a replacement oil cartridge tip. In some embodiments apparatuses include a replacement swirler ring for an oil cartridge tip, the replacement swirler ring having an annular main body including an inner diameter surface sized to be joined to an outer diameter surface of the oil cartridge tip by a metal joining process including one of brazing, welding temperature or mechanical interference and an outer diameter surface including channels evenly spaced about a primary axis of the annular main body, wherein the annular ring includes a material that is at least as wear-resistant as a material of the oil cartridge tip.

Abstract: The present invention provides a shower apparatus that allows the user to have a shower stream with a voluminous feel, even when a small volume of water is discharged, and also with a stimulus sensation arising from water being discharged in a pulsating manner. A shower apparatus F1 periodically changes the volume of air taken into an aeration unit 43 by oscillating a main water stream ejected toward the aeration unit 43 from a throttle unit 42 in a direction crossing the direction of the ejection, so that the bubbly water discharged from a water discharge unit 44 creates a pulsating shower stream.

Abstract: A nozzle for a fire suppression system has a bonnet and a deflector base. An inlet port extends through the bonnet along the axis of symmetry of the bonnet. The inlet port receives an outlet end of a fire suppression delivery pipe to mount the bonnet to the pipe. The bonnet has a frustoconical surface which extends radially outward and downward from the inlet port. The deflector base is secured to and co-axially aligned with the bonnet at a predetermined distance to create a flow passageway therebetween. The flow passageway imparts a down angle to a suppressant flow discharging from the nozzle to better disperse the suppressant within the fire zone. A discharge port at the circumferential edge of the bonnet and deflector base constricts the suppressant flow to atomize the droplets of liquid suppressant discharged into the fire zone.

Abstract: A dual turbine showerhead provides multiple spray modes emanating from the head. The showerhead includes an inlet orifice, a backplate, a first turbine located side-by-side with a second turbine, a faceplate forming a first orifice group and a second orifice group, a first fluid channel in fluid communication with the first and second turbines and the first orifice group, and a second fluid channel in fluid communication with the second orifice group. In another embodiment, the showerhead includes first and a second turbines located side-by-side and a valve body that channels a fluid to the first turbine and the second turbine. In another embodiment, the showerhead includes a first and a second turbine located side-by-side along a centerline of the showerhead, a corresponding outlet region is arranged along the centerline and additional outlet regions are laterally spaced therefrom.

Abstract: According to certain embodiments of the invention, a trigger sprayer may include a plunger and piston combination wherein the piston may include a flap valve or other valve system that opens upon at a certain pressure to allow fluid from within a piston chamber to pass through the plunger and out a nozzle of the trigger sprayer. According to other embodiments of the invention, an inlet valve may be seated between a container and a piston chamber such that fluid may pass the inlet valve upon return of a plunger piston combination to a non-actuated state and such that fluid is prevented from entering the container from the piston chamber when a plunger piston combination is being actuated.

Abstract: The invention discloses a sport-type multifunctional spray mineral water bottle, including cap body, spray means, drink means and water locking means. The invention can ensure normal drinking of mineral water as well as carry out spray drinking of water by means of squeezing the bottle body to transform bottle body and increase the pressure inside the bottle, thus making water to enter inlet from the outlet of water locking means on the cap, and to enter the atomizing channel through the water channel, finally to be sprayed from the spray aperture. Furthermore, in the open air or in the dusty and hot environment, you can place the mineral water bottle upside down, put the nozzle to face your body or surrounding, and squeeze the bottle body to spray, thus reducing surrounding temperature, as well as subsiding dust by combining dust and spray to make you feel cool, fresh and comfortable.

Abstract: A fire extinguisher, a discharge nozzle assembly for discharging a fluid under pressure, and a method for discharging a wet chemical fire extinguishing agent are presented. The discharge nozzle assembly includes a nozzle housing and a nozzle body inserted in the nozzle housing and defining a plurality of parallel flow passages. In an embodiment, the nozzle body defines three flow passages that are positioned equidistant radially from the longitudinal axis of the discharge nozzle and that are arrayed in the pattern of an equilateral triangle.

Abstract: A system, in certain embodiments, includes a nozzle. The nozzle includes a liquid passage, a first pneumatic passage, and an exit surface. The exit surface includes at least one recirculation inducing feature configured to reduce deposits adjacent to the first pneumatic passage.

Abstract: A topical spray composition and a system for containing and applying the composition is described. The composition has liquid emulsifiers that unexpectedly result in a superior product suitable to be applied homogeneously.

Abstract: A self-contained, hand-held paint spray gun apparatus having a paint reservoir on the gun and a turret assembly having a reversible tip for spraying paint from the reservoir through the tip and a swirl chamber adapter located between the gun and turret assembly. The tip is reversible between a SPRAY position and a CLEAN position to enable a user of the paint spray gun to rapidly and conveniently clear an obstruction in the tip and continue spraying without removing the tip. The swirl chamber adapter has a generally planar face opposing a swirl valve in the gun and forming a swirl chamber upstream of the turret assembly and has a centrally located bore extending from the generally planar face to the outlet of the adapter.

Abstract: A hand-held paint spray gun apparatus having a paint reservoir on the gun and reciprocating piston driven by a motor in the hand-held paint spray gun, the gun having a multiple orifice spray tip with a pair of apertures emitting generally fan or cone shaped overlapping spray patterns. A locking nut retains the cylinder to a motor frame and a frame carries the spray tip, with one of the nut and frame having a corrugated surface and the other of the locking nut and the spray tip frame having a plurality of protrusions engaging the corrugated surface. The protrusions are spaced apart circumferentially from each other and with respect to the spacing of a plurality of troughs and crests in the corrugated surface such that only one protrusion at a time is nested in a trough of the corrugated surface.

Abstract: A pushbutton for a system for dispensing a pressurized substance, the pushbutton including a body having a housing provided with an anvil around which a spray nozzle is mounted so as to form a substance dispensing path between the housing and a swirl array including a swirl chamber provided with a dispensing port as well as at least one supply duct for the chamber, the swirl chamber being defined by a side surface having a frusto-conical shape relative to which the supply duct(s) extend(s) in a transverse plane, the side surface tapering from an upstream end into which the downstream end of the supply duct(s) tangentially extends, to a downstream supply opening of the dispensing port, the dispensing port having an outlet size that is equal to the internal size of the downstream opening.

Abstract: A torch is provided having a tube having an inside diameter, a body and an orifice tip having a bore, where the diameter of the bore of the orifice tip and the inside diameter of the tube have a particular ratio based upon the type of fuel used for the operation.

Abstract: A power trigger sprayer comprising an integrated nozzle and pump assembly. The pump may comprise one or more pistons. Each piston feeds an input port of a swirl chamber spray nozzle. The nozzle is pulsed at a high rate, producing a predetermined spray pattern. In a further embodiment, the sprayer may be configured for handheld application of liquids and may comprise a tank for holding the liquid, a power source and control actuator together with the spray pump and nozzle in a hand operable unit. The sprayer may comprise a drip guard for directing drip flow away from the trigger and hand grip portion of the sprayer. The sprayer may include a battery within the hand grip portion. The battery may be in a battery module with grip/latch tabs allowing easy removal and replacement of the battery.

Abstract: An emergency eyewash unit includes a pair of water discharge ports oriented to produce a pair of upwardly directed, diverging water streams for inside-out flush flow of contaminants from a person's eyes. These eyewash streams can be combined with a plurality of smaller upwardly directed facewash streams for flushing contaminants from a person's face. The eyewash and/or facewash streams are produced by an eyewash body adapted for rotatable mounting onto a water supply conduit, with a locking clip normally preventing undesired rotational disassembly. The eyewash body may be used in combination with an overhead emergency shower which, in one preferred form, includes a shower spray head carrying multiple flow control and flow shaper elements to produce a substantially uniformly dispersed shower spray pattern.

Abstract: Providing a flush bowl capable of discharging a planar shower-like water discharge flow in a wide range while changing the water discharge trajectory is directed. The shower device according to an embodiment of the invention is a shower device including: a water discharger including a plurality of water discharge ports; a rotator including a channel at its center; a coupling section coupling the inside of the water discharger to the channel of the rotator; a receiving section receiving the rotator; a driving mechanism configured to rotate and revolve the rotator in the receiving section; and a decelerating section provided inside the water discharger.

Abstract: A distributor for a pressure atomizer includes a distributor body having an upstream end defining an internal liquid circuit, a downstream end defining a spin chamber for swirling a liquid flowing therethrough, and an outboard peripheral surface extending from the upstream end to the downstream end. The upstream and downstream ends are spaced apart along a longitudinal axis. An inclined passage is defined in the outboard peripheral surface in fluid communication with the internal liquid circuit and with the spin chamber for producing a relatively wide spray angle for a given distributor body size. The inclined passage is angled to diverge from the longitudinal axis of the distributor body in a direction toward the downstream end.

Abstract: Methods, processes, and apparatuses for the large scale synthesis of carbon nanostructures are provided. The apparatus for continuous large scale production of SWNTs includes a chamber. Positioned in one end of the chamber is a piston and at the other end is a tangential vortex created by gases forced into the chamber from opposite sides of the chamber walls. The chamber can be heated to reduce or eliminate agglomeration of small particles. The piston is used to push the catalyst towards the vortex, and the injection rate is controlled by the speed of the piston and the gas flow rate to create the vortex that also act as the transport gas. Thus, greater than 1 kg/h of an aerosolized, deagglomerated dry powder catalyst can be delivered to the reactor at a constant flow rate.

Abstract: A fuel injector which injects a gaseous fuel includes a nozzle and a housing. The nozzle has an outlet which injects the gaseous fuel at a flow rate greater than or equal to a predetermined rate. The housing has a mixing chamber which communicates with the outlet. The housing further has an air introducing passage which introduces an outer air into the mixing chamber and an injection hole which injects an air-mixed fuel formed by mixing the gaseous fuel with the outer air. Thus, a mixing of the gaseous fuel and the outer air can be improved, and the gaseous fuel can be efficiently combusted.

Abstract: The present invention relates to a spray nozzle for dispensing a fluid comprising a first element, preferably a nozzle cup, and a second element, preferably a pin, said first and second element, forming an assembly comprising a fluid chamber, preferably a ring chamber, for receiving the fluid, at least one feeding channel for feeding the fluid from the fluid chamber radially inward into a swirl chamber and an outlet channel with an entrance end facing the swirl chamber and an exit end for discharging the fluid to the environment of the spray nozzle. The outlet channel tapers in the flow direction of the fluid and the degree of tapering is either constant in the flow direction, or the degree of tapering decreases in the flow direction. The present invention further relates to a sprayer comprising such a spray nozzle.

Abstract: A process for the combustion of a liquid in a combustion chamber includes atomizing liquid sulfur using a rotary atomizer and introducing the liquid sulfur into the combustion chamber. The liquid sulfur is charged onto an inside of a cup. The cup is rotated so as to form a liquid film on the inside of the cup and so that parts of the liquid film are radially flung off from an edge of the cup edge into the combustion chamber. The rotational speed of the cup is varied so as to control a thickness of the liquid film in the cup to between 200 and 1000 ?m. The liquid sulfur is evaporated and subsequently burnt in the combustion chamber.

Abstract: The invention discloses a multifunctional spraying mineral water bottle, including: an elastic deformation bottle, wherein there is an opening in the bottle; a bottle top, wherein the bottle top has a liquid-tight manner connection with the opening of the bottle and there is an axial through-hole in the bottle top; a sprayer unit that includes corner joint, atomization spool valve and nozzle, wherein the corner joint is composed by an fixed standpipe and a hollow tube that has an included angle with the fixed standpipe, and the fixed standpipe has a liquid-tight manner and interference fit joint with the axial through-hole of the bottle top, and inside the hollow tube has a cylindrical cavity wherein the cylindrical cavity holds the atomization spool valve and coordinates with the nozzle; the outer wall of the atomization spool valve has at least two water guide tanks, and there is an atomized tank corresponding to the water guide tank which is in the end of atomization spool valve corresponding to the end of

Abstract: A nozzle for a fuel injector, in particular for a gas-turbine engine, is provided comprising a planar conductive electrode with a sharp edge forming an aperture, an upper insulation layer above the electrode and a lower insulation layer below the electrode, both insulation layers having apertures, and a swirler arrangement for creating a swirling action in liquid fuel introduced into the nozzle. The axis of swirl is generally perpendicular to the plane of the electrode. In use, the swirling fuel passes through the aperture of the lower insulation layer, the aperture of the conductive electrode and the aperture of the upper insulation layer. As the fuel passes through the aperture of the electrode, the electrode charges the swirling fuel, so that the nozzle supplies charged droplets of atomized fuel from an outlet orifice. The swirler arrangement may be a radial or axial swirler arrangement.

Abstract: A revolvingly spraying device includes a sheath tube and a revolvingly spraying tube. The revolvingly spraying tube includes a transmitting tube and a curved tube connected with the transmitting tube. The transmitting tube is inserted within the sheath tube. A front bearing is provided in one end, near the curved tube, of the transmitting tube, and a rear bearing is provided in the other end of the transmitting tube. The revolvingly spraying tube has a front position limiting portion radially protruding therefrom to retain the front side of the front bearing, and a rear position limiting portion radially protruding therefrom to retain the rear side of the rear bearing. Thus, the revolvingly spraying device has fewer component parts and is convenient for assembly.

Abstract: A push-button for a dispensing system for a liquid under pressure, the push-button includes a body having a mounting well on a delivery tube for the liquid under pressure and a housing in communication with the well, the housing being provided with an anvil around which a spraying nozzle is mounted in such a way as to form a dispensing path of the fluid between the housing and a vortex unit including a vortex chamber provided with a dispensing orifice as well as at least one supply channel of the chamber, the nozzle having a proximal wall wherein is formed a print of the vortex unit and the anvil having a distal wall whereon the proximal wall of the nozzle is pressing against in order to delimit the vortex unit between them, the distal wall having a recess which is formed across from the print of the vortex chamber, the maximum depth of the recess being between 25% and 300% of the minimum depth of the print of the supply channels.

Abstract: A showerhead is disclosed that has a housing with an inlet and an outlet. There is a ball joint at the inlet of the housing adapted to be connected to a source of water and a spacer within the housing channels water from the inlet towards the outlet. Within the spacer is a flow control disc having one or more apertures. Each aperture is surrounded by a chamber within the disc, and the depth of each chamber partially controls the spray dispersion of the water flowing through the spacer. There is also an outlet cap removeably retained in the outlet of the housing. The outlet cap has a plurality of nozzle chambers each being fed by an aperture of the disc. The depth of each nozzle chamber is such as to also partially control the spray dispersion of the water discharged from the showerhead.

Abstract: The present technique provides a system and method for improving atomization in a spray coating device by internally mixing and breaking up a desired coating fluid prior to atomization. In one embodiment, a flow barrier is disposed in the spray coating device downstream of an internal fluid valve and upstream of a fluid exit. The flow barrier may have a plurality of passages configured to direct fluid streams to create a fluid swirling and rotating motion around a central axis of a central flow path to facilitate fluid mixing and breakup. The plurality of passages may direct the fluid streams toward a surface, and may be angled substantially toward one another or diverging from one another. Embodiments of the spray coating device may further include an atomization mechanism adapted to facilitate formation of a spray of the fluid flowing from the fluid exit. The resulting spray coating has refined characteristics, such as reduced mottling.

Abstract: A liquid dispensing apparatus includes a container having a compressible section and a tip section extending from the compressible section. The compressible section is compressible in response to actuation. The dispensing apparatus further includes a nozzle member coupled to the container that includes an orifice. Finally, the dispensing apparatus includes a fluidic channel providing fluid communication between the volume and the orifice that includes a spin chamber for imparting a spinning motion to the liquid to atomize the liquid prior to urging the liquid out of the orifice.

Abstract: A multipoint injector ring includes a distributor ring defining a central axis and having a fluid inlet and a plurality of swirlers in fluid communication with the fluid inlet for imparting swirl on fluid from the fluid inlet. The swirlers are defined in a downstream surface of the distributor ring. An orifice ring is mounted to the distributor ring. The orifice ring defines a plurality of fluid outlets circumferentially spaced apart with respect to the central axis. Each fluid outlet is aligned downstream of a respective swirler for injecting swirling fluid from the swirlers in a downstream direction.

Abstract: A nozzle assembly that produces a cone-shaped spray pattern of entrained liquid droplets is disclosed. The nozzle includes an ultrasonic atomizer for atomizing a liquid on an atomizing surface located at the end of an atomizing stem. The nozzle assembly is supplied pressurized air that is directed to the atomizing surface by intercommunicating ports, chambers and/or channels. To provide the cone-shaped spray pattern, the ports, chambers and/or channels cause or direct the pressurized gas to rotate about the atomizing stem. When the rotating pressurized gas exits the nozzle assembly via proximate the atomizing surface, atomized liquid droplets become entrained in the gas. The rotating pressurized gas propels the droplets forward and moves at least some droplets circumferentially outward in the cone-shaped spray pattern. In various embodiments, the pressure of the gas can be adjusted to control the size and shape of the cone-shaped pattern and the distribution of droplets.

Abstract: A vane used on a swirler is provided. The vane includes a thin end and a broad end, the broad end has sharp edges and is arranged on the outside of the swirler, the thin end is arranged on the inside of the swirler. The vane also includes at least one swirl slot side profile, the at least one swirl slot side profile includes a unit providing turbulence to an air flow.

Abstract: A nozzle includes a center body that defines an axial centerline and a shroud circumferentially surrounding at least a portion of the center body to define an annular passage between the center body and the shroud. A plurality of vanes between the center body and the shroud comprise a radially outward portion separated from the shroud. A method for enhancing flow through a nozzle includes flowing a fuel through a center body and flowing a fluid stream across a vane located between the center body and a shroud surrounding at least a portion of the center body. The method further includes flowing the fluid stream between a radially outward portion of the vane and the shroud, wherein the radially outward portion of the vane is separated from the shroud.

Abstract: An atomizer includes an atomizer body having a liquid inlet and a spray outlet with a liquid flow circuit defined through the inner atomizer body for fluid communication of liquid from the inlet to the spray outlet. The liquid flow circuit branches into a plurality of sub-circuits. Each sub-circuit is configured to produce a spray cone of atomized liquid issuing from the spray outlet such that the spray cone of each sub-circuit has a different cone angle. The sub-circuits are mechanically separated from one another to limit interaction of liquid in the sub-circuits and thereby produce a distinct and stable spray cone from each sub-circuit over a range of liquid flow rates.