Abstract: A nozzle includes a shell, a distributor, a panel and a collar. The distributor is inserted in the shell. The distributor includes protuberances each of which includes a cylindrical section, a conical section extending from the cylindrical section, and two fins extending from the cylindrical section. The panel includes outlets and tubes. The outlets extend through the panel. Each of the tubes is in communication with a corresponding one of the outlets and includes tangential passageways. Each of the tubes receives a corresponding one of the protuberances. The tangential passageways of each of the tubes receive the fins of the corresponding protuberance so that each of the tangential passageways is partially blocked by the corresponding fin. The collar is connected to the shell and includes an annular flange. The collar receives the panel. The panel is sandwiched between the annular flange of the collar and an end of the shell.

Abstract: A water outlet structure for fine-gentle atomized particle water comprises a water inlet cavity, a first arc acceleration track, a side flushing cavity, a second arc acceleration track, and a water outlet hole. A first end of the first arc acceleration track is connected to a side wall of the water inlet cavity, a second end of the first arc acceleration track is connected to a first end of the side flushing cavity, and a second end of the side flushing cavity is connected to the second arc acceleration track. The water outlet hole is disposed on a circle center of the second arc acceleration track. The present disclosure further provides a shower and a kitchen shower comprising the water outlet structure.

Abstract: An exhaust aftertreatment system for use with an over-the-road vehicle is disclosed. The exhaust aftertreatment system includes a flash-boil doser mounted to an exhaust conduit and a catalyst coupled to the exhaust conduit. The flash-boil doser configured to inject heated and pressurized reducing agent into an exhaust passageway defined by the exhaust conduit for distribution throughout exhaust gases passed through the exhaust conduit. The catalyst configured to react the reducing agent with the nitrous oxide in the flow of exhaust gases to provide treated exhaust gases with a reduced nitrous oxide amount.

Abstract: A dispensing head with a staged swirling chamber for a dispensing system includes a spraying nozzle including a dispensing orifice and a swirling chamber opening into the dispensing orifice, the swirling chamber including a converging portion, and extending along an axis between an upstream end and a downstream end in the direction of displacement of the product, and an anvil including a core provided with a peripheral wall, that is housed inside the swirling chamber, and forming with the converging portion at least one fluidic path in which the product circulates, the converging portion including an inner wall of the nozzle, the inner wall and/or the peripheral wall of the core being provided with a plurality of steps, each step being defined by a transverse wall that extends in a plane secant to the axis and a longitudinal wall substantially parallel to the axis, the steps forming obstacles in the fluidic path.

Abstract: A spray nozzle for a system for dispensing a pressurized product is provided with a pushbutton. The nozzle includes a dispensing orifice and a vortex chamber emerging on the dispensing orifice. The chamber includes a conical part defined by a conical side surface. The conical side surface converges from an upstream end toward a downstream supply end of the dispensing orifice. The nozzle further includes at least one supply channel of the vortex chamber, each supply channel emerging in the upstream end of the conical part, the conical side surface having at least one stepped portion provided with multiple levels.

Abstract: A nozzle plate has a plurality of blades in the area that surrounds the nozzle hole on the outer plane of the bottom wall part. When the fuel is injected from the nozzle hole and the pressure in the vicinity of the nozzle hole is reduced, the plurality of blades guide a flow of air from the radially outward side of the bottom wall part to the radially inward side of the bottom wall part and generates a swirling flow of the air about the center of the bottom wall part. The swirling flow of the air about the center of the bottom wall part changes to a helical flow by receiving kinetic momentum from fine particles of the fuel injected from the nozzle hole and the helical flow of the air transports the fine particles of the fuel.

Abstract: An atomizing nozzle including a nozzle body, a flow orifice plate, a multi-stage decompression sleeve and a dual-conical surface nozzle head. One end of the nozzle body opposite to the dual-conical surface nozzle head is provided with an external thread; one end of the nozzle body close to the dual-conical surface nozzle head is provided with an internal hole and an internal thread. The external thread of the nozzle body is connected to external equipment. The flow orifice plate, the multi-stage decompression sleeve and the dual-conical surface nozzle head are arranged in the internal hole. The flow orifice plate is arranged on one end of the dual-conical surface nozzle close to the external thread of the nozzle body. The multi-stage decompression sleeve is arranged on the flow orifice plate.

Abstract: The present invention relates to an aerosol hairspray product. The product comprises: a pressurizable container comprising a container wall which encloses a reservoir for storing a hairstyling formulation and a liquefied gas propellant; and a spraying device attached to the container for dispensing the hairstyling formulation from the reservoir of the container. The spraying device comprises a valve and a nozzle and the valve comprises a valve body, a stem and a spring means. The valve body houses an insert and the insert comprises an insert orifice and at least two channels. The channels are tangentially disposed about the insert orifice. Also the valve body comprises at least two vapor taps. Furthermore the insert orifice is capable of being in liquid communication with the hairstyling formulation in the reservoir.

Abstract: An injection valve for injecting a liquid includes an electromagnetic actuator and a movable valve needle and a valve closing element that with a valve seating surface forms a sealing seat, and includes a perforated disc situated downstream from the sealing seat, the perforated disc having at least one inlet area and at least one outlet opening. An upper functional plane having the at least one inlet area has a different opening geometry in cross-section than a lower functional plane having the at least one outlet opening. The perforated disc has inlet areas, each provided, as a locally limited cavity, with a rectangular or bathtub-shaped contour, a respective outlet opening going out from each in the direction of flow, the outlet openings, going out from the midpoint of the respective inlet areas, and drawing an imaginary longitudinal axis and transverse axis through these, having an asymmetry as to both axes.

Abstract: Disclosed is a method and device to control a spray pattern produced from a spraying device consisting of a plurality of individual jets that form the resulting spray pattern. The trajectory of each individual jet is controlled by orienting the nozzle-like feature that produces each individual jet, thereby producing a variety of spray patterns. This is accomplished utilizing the flexible properties of elastomeric or rubber-like materials. In addition to allowing for deformation or movement to remove possible obstructions to the fluid flow, this flexibility property also permits for specific, controlled movements, whereby it is possible to control the trajectory of the fluid issuing from the device. These rubber-like materials can include specific features that allow the material to be deformed in a controlled fashion so as to predictably control the trajectory of the streams issuing from the individual nozzles.

Abstract: A device is disclosed which is intended for spraying a pressurized liquid, in particular water, and brings about a good cleaning action despite a low volume flow. The device comprises a plurality of swirl chambers (14), wherein each of the swirl chambers has at least one inlet for feeding the liquid into the respective swirl chamber and an outlet nozzle (18) in order for a liquid jet to exit from the swirl chamber. A liquid stream entering into the device is distributed between the inlets of the swirl chambers by means of an arrangement of inflow channels. The outlet nozzles are inclined in relation to one another such that the exiting liquid jets come into contact with one another at a predetermined distance from the outlet nozzles. This achieves an improved cleaning action. The device may be designed, for example, as a mouthpiece for a sanitary outflow fitting, as a showerhead, etc.

Abstract: Provided is a coating apparatus in which a liquid substance is less likely to splash around and a chemical solution can be coated on a specific region of the inside surface of a tubular container. The coating apparatus 10 includes a spraying direction changing member 12, fixed to a tip portion of a spray nozzle 4 with an inner tube 6 and an outer tube 7, for changing the direction of spray of a sol oriented outward to a direction intersecting a direction of discharge of the liquid substance from the inner tube 6.

Abstract: A fuel injection valve for an internal combustion engine is provided. The fuel injection value includes an injection hole plate having a plurality of fuel chambers formed by recessing part of the upstream side of the injection hole plate at a plurality of positions along the valve seat opening portion. Each of the fuel chambers has a shape in which the halves are symmetric with each other with respect to a line that radially extends from the center of the injection hole plate. The fuel chambers are is disposed in a place that ranges from the inside of a virtual circle to the outside of the inner circumference of the valve seat opening portion. Two injection holes are arranged outside the inner circumference of the valve seat opening portion in such a way as to flank the radial center line of the fuel chamber.

Abstract: An applicator assembly for mixing at least a first and second component is provided. The applicator assembly includes a manifold configured for operable engagement with at least a first and second source of component, the manifold including at least a first and second component channel therethrough, an elongated shaft extending distally from the manifold, the elongated shaft including at least a first and second component lumen extending the length thereof, the at least first and second component channels in fluid communication with the at least first and second component channels, a tip assembly defining a first chamber, an intermediate chamber and a final chamber.

Abstract: A spray button which is capable of spraying a content widely and decreasing the diameter of a sprayed particle. In the spray button comprising a spray button body and a nozzle body and having a rotation chamber, a spray orifice, and a plurality of spray grooves, assuming a diameter of the rotation chamber to be (D), a diameter of the spray orifice to be (Da), a width of a connection portion with the spray grooves and the rotation chamber to be (Dd), and a length from a stem-side sidewall of the nozzle body to a tip of the spray orifice to be (L), the relationships of D/Da>1, D/Dd?5, D/L?3 are satisfied.

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: An atomizer delivery manifold or spray head with an adjustable spray pattern tip is provided. The adjustable spray pattern atomizer is especially useful for delivery of fibrin glues, and enables a fluid admixture to be applied precisely to a specific site in a wide range of spray patterns.

Abstract: A multipoint fuel injection system includes a plurality of fuel manifolds. Each manifold is in fluid communication with a plurality of injectors arranged circumferentially about a longitudinal axis for multipoint fuel injection. The injectors of separate respective manifolds are spaced radially apart from one another for separate radial staging of fuel flow to each respective manifold.

Abstract: An applicator for mixing and applying multi-component compositions to a work surface, such as two-component surgical sealants, while avoiding clogs, preventing cross-contamination of the components until a point of intended mixing at a location within the apparatus immediately upstream of an application opening in a tip cap, decreasing pressure drop along the applicator to facilitate fluid delivery, and increasing efficiency of mixing of the components. A luer hub sub-assembly having a proximal hub and a distal hub, an elongate, four-lumened cannula, and a spray tip sub-assembly are provided, with interconnections between the sub-assemblies preserving isolation of the fluid components from one another. The tip cap sub-assembly includes registration structure to assure proper alignment between tip cap and tip insert.

Abstract: A multi-hole or cluster nozzle having several outlet openings for fluid to be atomized. The central longitudinal axes of at least two of the outlet openings are aligned askew relative to one another, where a distance between the central longitudinal axes of these outlet openings and the main longitudinal axis of the nozzle is initially reduced when seen in the outflow direction, without intersecting the central longitudinal axis, and increases again after passing through a minimum distance. Use for example in nozzles for evaporative cooling or for flue gas cleaning.

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: 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: An atomizing injector comprises a body having a central bore with a valve situated in the bore, leading to a chamber. An actuator moves the valve between closed condition and open conditions, selectively exposing the chamber to a flow of pressurized liquid. A discharge port extends from the chamber to a discharge orifice. A swirl element is situated in the chamber, while leaving a free space in the chamber immediately above the discharge port. When the valve is opened, liquid flows into the chamber, through the swirl element into the space, forming a whirl in the space before passing through the discharge port and exiting the discharge orifice as an atomized whirling spray.

Abstract: A spray assembly for dispensing a mixture is provided. The spray assembly includes a connector configured for operable engagement with a first and a second source of component and a source of pressurized fluid, and a tip operably connected to the connector. The tip includes an opening and defines a mixing chamber between the connector and the opening of the tip, and an insert member configured to be received in the mixing chamber. The insert member includes a plurality of radially extending slots on at least one end of the insert. The plurality of radially extending slots is configured to mix the first and second components prior to the mixture exiting the opening in the tip.

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.

Abstract: A fuel injection valve for an internal combustion engine is provided. The fuel injection value includes an injection hole plate having a plurality of fuel chambers formed by recessing part of the upstream side of the injection hole plate at a plurality of positions along the valve seat opening portion Each of the fuel chambers has a shape in which the halves are symmetric with each other with respect to a line that radially extends from the center of the injection hole plate. The fuel chambers are is disposed in a place that ranges from the inside of a virtual circle to the outside of the inner circumference of the valve seat opening portion. Two injection holes are arranged outside the inner circumference of the valve seat opening portion in such a way as to flank the radial center line of the fuel chamber.

Abstract: A pressure swirl atomizer includes a nozzle having an exit orifice and a plurality of tangential swirl channels and a pintle that is movable within a pintle bearing between a closed position that closes the exit orifice and an open position that opens the exit orifice. The atomizer also has a pole piece having a channel, and the pole piece and the pintle are separated by an air gap when the pintle is in the closed position. A space between the pintle and the pintle bearing, the air gap, and the channel together form at least a part of a return path. Fluid from the tangential swirl channels drains through the return path when the pintle is in the closed position. To open the atomizer, a solenoid generates a magnetic force when energized, attracting the pintle toward the pole piece into the open position. A check valve disposed in the return path generates a fluid back pressure when the solenoid is de-energized to push the pintle toward the closed position.

Abstract: A device is disclosed which is intended for spraying a pressurized liquid, in particular water, and brings about a good cleaning action despite a low volume flow. The device comprises a plurality of swirl chambers (14), wherein each of the swirl chambers has at least one inlet for feeding the liquid into the respective swirl chamber and an outlet nozzle (18) in order for a liquid jet to exit from the swirl chamber. A liquid stream entering into the device is distributed between the inlets of the swirl chambers by means of an arrangement of inflow channels. The outlet nozzles are inclined in relation to one another such that the exiting liquid jets come into contact with one another at a predetermined distance from the outlet nozzles. This achieves an improved cleaning action. The device may be designed, for example, as a mouthpiece for a sanitary outflow fitting, as a showerhead, etc.

Abstract: A nozzle hole mechanism (10) is provided with a nozzle hole (28) which ejects a concentrate into the atmosphere, a swirl chamber (30) which supplies the concentrate to the nozzle hole (28), and a path (27) which supplies the concentrate to the swirl chamber (30). The diameter of the nozzle hole (28) is 0.2 mm or less, the length of the nozzle hole (28) is in the range of 0.05-0.3 mm, and the swirl chamber (30) and the nozzle hole (28) are located on the same axis. The swirl chamber (3) is equipped with a front section having a solid cylindrical shape, which communicates with the nozzle hole, and a rear section having an ring shape. The nozzle hole mechanism is configured in such a manner that the concentrate is supplied to the rear section (30a) and discharged from the nozzle hole (28) via the front section (30b). The configuration enables the nozzle mechanism to spray fine particles over a wide area using small spray amount.

Abstract: A spray tip assembly capable of self-clearing is provided. The spray tip assembly includes a distal end including an outlet. The outlet defines at least a first configuration during a first condition and at least a second configuration during a second condition. The distal end may be configured to at least one of flex and expand such that the outlet changes from the first configuration to the second configuration.

Abstract: An applicator assembly for mixing at least a first and second component is provided. The applicator assembly includes a manifold configured for operable engagement with at least a first and second source of component, the manifold including at least a first and second component channel therethrough, an elongated shaft extending distally from the manifold, the elongated shaft including at least a first and second component lumen extending the length thereof, the at least first and second component channels in fluid communication with the at least first and second component channels, a tip assembly defining a first chamber, an intermediate chamber and a final chamber.

Abstract: A spray head (1) with a nozzle insert (2) for atomizing a fluid, which tends to gum up or harden, from a reservoir, wherein the nozzle insert (2) is substantially designed as a hollow cylinder (3) that is open on one side and has, on the other side, a nozzle opening (4) towards the outside, and the nozzle insert (2) is connected to a nozzle insert receptacle (5), which has a channel (6) for the fluid, wherein the channel (6) corresponds to the nozzle opening (4). The nozzle insert (2) consists of an elastic material (7) and, in this manner, is connected to the nozzle insert receptacle (5) so that an external, free section (8) of the nozzle insert (2) along with the nozzle opening (4) is at least partially manually compressible and/or is designed to be manually bendable from its standby position (R), whereby hardened resin residue (12) can be removed from the nozzle opening (4).

Abstract: A fuel nozzle assembly includes a nozzle body and an orifice plate. The orifice plate may be removably positioned on an interior of the nozzle body.

Abstract: A spray assembly for dispensing a mixture is provided. The spray assembly includes a connector configured for operable engagement with a first and a second source of component and a source of pressurized fluid, and a tip operably connected to the connector. The tip includes an opening and defines a mixing chamber between the connector and the opening of the tip, and an insert member configured to be received in the mixing chamber. The insert member includes a plurality of radially extending slots on at least one end of the insert. The plurality of radially extending slots is configured to mix the first and second components prior to the mixture exiting the opening in the tip.

Abstract: A spray liquid pressure head has a main head body containing a suction body, a suction pipe and a container locking ring. A pressing member assembled over the main head body has a pressure head and horizontal expansion pipe. A directional jack is assembled at one end of the horizontal expansion pipe. Two reinforced costal margins are integrally formed at both sides of the horizontal expansion pipe in a vertical extension state. One end of the reinforced costal margin is integrally linked to the pressure head, and the other end integrally linked to the directional jack. The pressure head has a combined directional sprinkler head containing a labyrinth connecting pipe, a vertical terminal pipe and a spraying guide assembly.

Abstract: An emitter for atomizing and discharging a liquid entrained in a gas stream is disclosed. The emitter has a nozzle with an outlet facing a deflector surface having a closed end cavity. The nozzle discharges a gas jet against the deflector surface. The emitter has a duct with an exit orifice adjacent to the nozzle outlet. Liquid is discharged from the orifice and is entrained in the gas jet where it is atomized.

Abstract: A dental cleaning system for providing a liquid jet for a mouth rinse includes a nozzle member, a nozzle attachment coupled to the nozzle member to define an axially extending chamber, a liquid duct configured to supply pressurized liquid to the chamber, a pressure piece disposed within the chamber, and a nozzle outlet extending out of the chamber and configured to discharge a cleaning jet.

Abstract: An applicator assembly for mixing at least a first and a second component is provided. The applicator assembly includes a manifold configured for operable engagement with first and second source of component, the manifold including first and second component channels therethrough, an elongated shaft extending distally from the manifold, the elongated shaft including first and second component lumens extending the length thereof, the first and second component channels in fluid communication with the first and second component lumens, a tip assembly defining a first chamber, an intermediate chamber and a final chamber, wherein the first chamber is configured to receive a distal end of the elongated shaft, the second chamber is configured to receive an insert, and the final chamber is configured to receive the first and second components prior to the mixture being ejected from an outlet defined in the distal end of the tip assembly.

Abstract: A spray nozzle designed to be mounted in a push button of a liquid distribution system, including a body equipped with an assembly tube that is defined by a front wall in which a distribution orifice is formed, wherein the inside face of the front wall is equipped with a vortex chamber that communicates with the distribution orifice, at least two radial tubes to supply liquid to the vortex chamber, and an annular duct to supply liquid to the upstream end of the tubes, in which the lateral inside wall of the tube is equipped with at least two axial grooves which respectively extend between an upstream end opening onto the rear edge of the tube and a downstream end opening onto the annular duct, wherein the grooves are positioned angularly so that each downstream end of a groove is equidistant from the two upstream ends of the tube adjacent to it on either side along the length of the annular duct.

Abstract: A spray liquid pressure head has a main head body containing a suction body, a suction pipe and a container locking ring. A pressing member assembled over the main head body has a pressure head and horizontal expansion pipe. A directional jack is assembled at one end of the horizontal expansion pipe. Two reinforced costal margins are integrally formed at both sides of the horizontal expansion pipe in a vertical extension state. One end of the reinforced costal margin is integrally linked to the pressure head, and the other end integrally linked to the directional jack. The pressure head has a combined directional sprinkler head containing a labyrinth connecting pipe, a vertical terminal pipe and a spraying guide assembly.

Abstract: A spray nozzle mechanism capable of forming spray contents into fine particles. A channel setting core is fixedly placed in a space in a button body, between an output hole of a vertical path and a hole for discharging contents to the external space. Swirls in the same swirling direction are formed by upstream recessed paths continuous from the vertical path and downstream recessed paths continuous to the discharge hole. Also, the spray nozzle mechanism has ribs. The ribs move initial swirls created by the upstream recessed paths to the corresponding downstream recessed paths, where the initial swirls are moved in a state where they are separated as far as possible.

Abstract: An atomizing injector comprises a body having a central bore with a valve situated in the bore, leading to a chamber. An actuator moves the valve between closed condition and open conditions, selectively exposing the chamber to a flow of pressurized liquid. A discharge port extends from the chamber to a discharge orifice. A swirl element is situated in the chamber, while leaving a free space in the chamber immediately above the discharge port. When the valve is opened, liquid flows into the chamber, through the swirl element into the space, forming a whirl in the space before passing through the discharge port and exiting the discharge orifice as an atomized whirling spray.

Abstract: A discharge head for fluids, with a discharge nozzle (1) which has a discharge opening (2) and accommodates an internal sleeve (5) in which is arranged an internal body (4) which delimits an outlet channel (7) and has a connecting element (8) for connection to a counterpart (9) of a discharging apparatus, the internal sleeve (5) having, on the end side adjacent to the discharge opening (2), a sealing surface (10) against which a valve stopper (3) which is located on the internal body (4) and closes the outlet channel (7) is spring prestressed.

Abstract: Dispensing member for a fluid product comprising a post and a spray nozzle, said post having an abutment surface and said spray nozzle comprising a transverse wall, an outlet orifice extending across said transverse wall, said outlet orifice being delimited by a lateral surface, at least one duct for supplying the fluid product to the outlet orifice, the said supply duct being delimited by the transverse wall and the abutment surface, being supplied with fluid product via a supply channel, emerging substantially tangentially relative to the lateral surface of the outlet orifice, and forming the only fluidic communication between the supply channel and the outlet orifice.

Abstract: An atomizer spray plate including a body having an inlet surface and an exit surface, a swirl chamber within the body and adjacent to the inlet surface, an atomizer hole extending through the body from the swirl chamber to the exit surface, and a plurality of elongated protrusions upon the inlet surface extending radially from the swirl chamber, wherein the plurality of elongated protrusions define a plurality of venturi inlets to the swirl chamber between adjacent protrusions.

Abstract: The invention concerns a pump sprayer equipped with a projecting side nozzle. The nozzle is defined at the end of a rectilinear element attached to the pushbutton and said element is force-mounted in a cavity of the push-button, which is of sufficient depth to enable a depression of selected length, determining the length of the projecting part of said element.

Abstract: A fluid nozzle system (nicknamed the “RAP nozzle system”) is disclosed that combines a pulse flow device with a toroidal vortex generator to create a high momentum, self propelling jet for increasing long-range jet impact forces. In a preferred embodiment, the RAP nozzle system comprises a fluid switch, without any moving mechanical part, which takes continuous flow normally exited through a nozzle and breaks it into discrete patterns of pulsed flow. The unsteady characteristics of the pulsed flow are then used with either single-stage ejectors, multi-stage ejectors or other devices to increase the momentum and/or the lateral size of the individual pulses. These fluid pulses are then used to generate a jet with large scale, stable toroidal vortices which travel long distances, downstream of the ejector(s), and apply large forces at impact.

Abstract: A spray nozzle which employs a locking and an alignment feature to facilitate the replacement of internal nozzle components. The spray nozzle includes a nozzle body, a swirl element and an orifice disc. The nozzle body defines a central bore which extends between a fluid receiving section and a fluid discharge section and delineates a central axis and delimits an interior locating surface for swirl element and the orifice disc. The orifice disc includes a protuberance associated with the downstream surface thereof which protrudes into the spray opening of the nozzle body.

Abstract: Representative embodiments provide for corresponding fluid atomizer bodies, each generally defining a fluidicly communicative interior cavity. The interior cavity is typically defined by an entry passageway portion, a chamber portion, a plurality of feeder passageways that are tangentially disposed to and fluidly coupled with the chamber portion, and an exit passageway portion fluidly coupled to the chamber portion. In one embodiment, an upper body portion and a lower body portion are bonded together to define a complete fluid atomizer body. Another embodiment provides for producing one or more fluid atomizer bodies by a way of injection molding. A method provides for spraying or sputtering atomized droplets of an electrically non-conductive coolant onto an electrical apparatus using one or more fluid atomizer bodies.

Abstract: In a spray nozzle (10), a carrier (12) defines a spray aperture (20), a groove (30) surrounding the spray aperture for receiving an o-ring (32), a first locating bore (26) for slidably receiving an orifice plate (14) seated against the o-ring (32) and for aligning the orifice plate with the spray aperture, and a second locating bore (28) for slidably receiving a swirl unit and aligning the swirl unit (16) with the orifice plate and spray aperture. The swirl unit (16) defines on its peripheral surface a recessed flat (58) forming a fluid passageway between the swirl unit and carrier. The swirl unit (16) includes a swirl chamber (60) defined by a curvilinear surface (62) formed within the swirl unit, and an inlet port (64) formed in fluid communication between the swirl chamber and fluid passageway. The nozzle body (18) is threadedly received within the carrier (12) behind the swirl unit (16) to axially press the swirl unit, and in turn press the orifice plate (14) against the adjacent surface of the carrier.