Abstract: The present invention relates to a method for treating the surface of a wafer with multiple liquids, comprising rotating the surface of the wafer and discharging different liquid streams onto the rotating surface in a sequence from separate outlets, wherein the discharge of liquid streams which are contiguous in the sequence overlaps during a transition phase, and wherein during the transition phase the liquid streams merge after exiting said outlets to form a merged liquid stream before impacting the rotating surface. The invention also provides a liquid dispensing device incorporating a housing holding two or more liquid delivery tubes, wherein the tubes' outlets are inwardly angled towards one another, such that in use liquid streams delivered from the outlets of the two or more liquid delivery tubes merge to form a merged liquid stream.

Abstract: The present invention concerns a system (1; 501; 601; 701; 801) for dispensing a fluid (L), comprising a container (C; C?) for the fluid (L) and a device (10; 210; 210?; 310; 410; 410?) for dispensing the fluid (L). The device (10; 210; 210?; 310; 410; 410?) comprises a collapsible chamber (20) which defines a volume (V) suited to receive a quantity of said fluid (L) to be dispensed. The chamber (20) is defined by a first portion (30) and a second portion (130) mutually coupled with each other, wherein the first portion (30) comprises an area connected to the container (C; C?) and wherein the second portion (130) comprises an area connected to the container (C; C?).

Abstract: A water outlet device for different water sprays from a same nozzle comprises a water outlet portion, and a control mechanism, the water outlet portion comprises a water outlet nozzle, the water outlet nozzle comprises a water outlet, the water outlet nozzle further comprises at least two water inlets, flow directions of the at least two water inlets are not parallel to a flow direction of the water outlet, the control mechanism is connected to the at least two water inlets to control a water inlet condition of each of the at least two water inlets, the water inlet condition comprises at least one of a flow volume or whether the water is flowing or not flowing, and the control mechanism controls the water inlet condition of each of the at least two water inlets to enable the water outlet nozzle to discharge the different water sprays.

Abstract: The present invention has a purpose to achieve desired spray characteristics when a pharmaceutical formulation is sprayed by means of a rhinal spray nozzle used for a metered-dose syringe-based squirt. The present invention relates to a rhinal spray nozzle used for a medical syringe having a tip opening in fluid communication with a syringe barrel for storing a pharmaceutical formulation. The rhinal spray nozzle comprises a hollow nozzle body having a tip portion defining a nozzle orifice thereon, a solid packing rod arranged within the nozzle body, and a nozzle chamber defined between the packing rod and the nozzle body to allow a fluid communication between the tip opening and the nozzle orifice, wherein the formulation comprises the gel material containing viscosity modification agent and carboxy vinyl polymer of which viscosity is modified by applying an exogenous shear force, and wherein the nozzle orifice has a diameter in a range between 0.25 mm and 0.30 mm.

Abstract: A flexible dispensing apparatus for coupling to pressurized fluid containers is described. It includes a flexible tube and a handle assembly. The handle assembly houses a second end of the tube. The handle assembly has a first side connected to a second side, a slide trigger, a roller coupled to the bottom of the slide trigger with a dowel pin, a spray nozzle assembly, a magnet reservoir, and a magnet. The first side has an inclined ramp that runs along a length of the first side and extends into the second side above and beyond a seam that is formed by the connection of the two sides. The tube is within a channel in the handle assembly formed between the inclined ramp and the roller. When the roller is rolled toward the end of the ramp it pinches the flexible tube near the top of the inclined ramp.

Abstract: In one embodiment, a cleaning assembly may include a modular electrode sealing housing, an acid injection inlet, and a fluid injection inlet. The modular electrode sealing housing may include a high pressure closure member that contains a first cleaning volume and a low pressure closure member that contains a second cleaning volume. The acid injection inlet can be in fluid communication with the first cleaning volume of the high pressure closure member. The fluid injection inlet can be in fluid communication with the second cleaning volume of the low pressure closure member. During normal operation, a showerhead electrode can be sealed within the modular electrode sealing housing such that the first cleaning volume is located on a first side and the second cleaning volume is located on a second side of the showerhead electrode.

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 trigger sprayer has a housing, a piston bore within the housing, and a piston reciprocally mounted within the piston bore. The housing further includes a flow passage through which liquid passes from a passage inlet to a passage outlet. An actuator is operable to reciprocate the piston within the piston bore between a vacuum stroke creating reduced pressure in the piston bore and a compression stroke creating increased pressure in the piston bore. A valve assembly within the flow passage controls the flow of liquid through the flow passage upon operation of the actuator. The valve assembly further comprises a check valve and a priming valve. The sprayer has a closure for mounting the sprayer to a container. The valve seat for the check valve is in a component formed separately from and operatively connected to the housing.

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 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: The present utility model provides a two-way nozzle cap (10) for a container, comprising of a cap body (11) and a dip tube (12), wherein the cap body (11) includes: an engagement portion (21) engaged with the opening of the container; a hollow orifice portion (22) provided in the top of the cap body (11), comprising an orifice formed on the upper part of the orifice portion, at least two protrusions (32) provided on the inner wall of the orifice portion to clamp the upper end of the dip tube, a mixing chamber (33) formed between the orifice and the top of the dip tube (12), and channels defined between the protrusions (32) and the dip tube (12), and fluid communicating the mixing chamber (33) to the interior of the container.

Abstract: A fluid dispenser head including an inlet well (14), an axial assembly housing (2) in which there extends a pin (3), and a nozzle (4) assembled along an axis X in the axial assembly housing (2). The head also includes two feed ducts (15), each connecting the inlet well (14) to the axial assembly housing (2). The pin forms two swirl channels (35) connected in tangential manner to a swirl chamber (36). The nozzle is in sealing contact with the pin (3) so as to define two connection sections, each connecting a feed duct (15) to a swirl channel (35).

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 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 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 push-button for a pressurised liquid distribution system, the push-button including a body onto which an end piece is mounted around an insert so as to form a distribution chamber between said end piece and the insert, the distribution chamber being in communication with a supply channel intended to be mounted on a feed tube for the pressurised liquid, the distribution chamber being successively connected to upstream channels, downstream channels and distribution channels, the distribution channels each converging towards an outlet opening while being designed to enable the impaction of the liquid jets dispensed by the openings, the upstream and downstream channels extending longitudinally while forming an upstream and downstream fluid flow section, respectively, in the distribution chamber, the downstream section having an average transverse surface which is less than the average transverse surface of the upstream section.

Abstract: A wide protection range can be ensured by extending the flying distance of fire-extinguishing agent particles electrified and sprayed from a head. A water-based fire-extinguishing agent is pressurized and supplied to an electrification spray head 10 installed in a protection area A via a pipe, the jetted particles of the fire-extinguishing agent are electrified and sprayed from the electrification spray head 10. The electrification spray head mixes and sprays the fire-extinguishing agent having a comparatively small particle size included in a range from 30 ?m to 200 ?m by a small-particle jetting nozzle 38a and the fire-extinguishing agent having a comparatively-large particle size of 200 ?m to 2000 ?m by a large-particle jetting nozzle 38b, thereby carrying the group of the fire-extinguishing-agent particles having the small particle size by the air current caused by spraying the group of the fire-extinguishing-agent particles having the large particle size.

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 wide protection range can be ensured by extending the flying distance of fire-extinguishing agent particles electrified and sprayed from a head. A water-based fire-extinguishing agent is pressurized and supplied to an electrification spray head 10 installed in a protection area A via a pipe, the jetted particles of the fire-extinguishing agent are electrified and sprayed from the electrification spray head 10. The electrification spray head mixes and sprays the fire-extinguishing agent having a comparatively small particle size included in a range from 30 ?M to 200 ?m by a small-particle jetting nozzle 38a and the fire-extinguishing agent having a comparatively-large particle size of 200 ?m to 2000 ?m by a large-particle jetting nozzle 38b, thereby carrying the group of the fire-extinguishing-agent particles having the small particle size by the air current caused by spraying the group of the fire-extinguishing-agent particles having the large particle size.

Abstract: A multi-point injector includes an annular body defining an interior annular flow passage. The annular body includes a fluid inlet and a plurality of circumferentially spaced apart fluid outlets in fluid communication with the interior flow passage. Each of the outlets has a swirl chamber formed within the annular body associated therewith for imparting swirl to fluid delivered thereto.

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 fluid spray head comprising an expulsion channel (5) provided with a spray orifice (1) and a spray profile (10) formed in an end wall of said spray head, said spray profile (10) comprising preferably non-radial spray channels (11) opening out to a central spray chamber (12) disposed directly upstream from said spray orifice (1), an insert (20) being disposed in said expulsion channel (5) so as to form a cover for said spray profile (10), the central axis (X) of said insert (20) being substantially identical to the central axis (Y) of said expulsion channel (5), and said spray head including centering means for centering said insert (20).

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, particularly well adapted for use in compressor spray cleaning systems, has a nozzle body with a right angle fluid delivery bore having a first passageway section extending longitudinally and at least one connected transverse nozzle bore section terminating in a reduced diameter spray bore at a sidewall of the nozzle body. A swirler is mounted in the nozzle bore section, and has a head section with a plurality of passageways formed between swirl vanes arranged about a periphery of the head section to pass fluid to the spray bore and an adjacent neck section of a reduced diameter. The neck forms an annulus between the neck and the nozzle body in fluid-passing contact with the first passageway section and head section to direct fluid from the first passageway through the head passageway for exit through the spray bore. The nozzle can be used in spray systems over a wide range of fluid delivery volumes and pressures.

Abstract: The invention relates to a discharging device (10) comprising an external housing (20), a discharge port (66), a liquid container (80), an outlet passage (58, 56, 70, 74), by means of which the liquid container (80) communicates with the discharge port (66), and a manual actuator (82) capable of being moved relatively to the external housing (20), and the manual actuator (82) is mechanically coupled to the liquid container (80) such that displacement of the manual actuator (82) causes a reduction in volume of the liquid container (80) According to the invention, there is assigned to the outlet passage (58, 56, 70, 74) a valve unit (54, 72), which, when open, permits communication between the liquid container (80) and the discharge port (66) and, when closed, blocks communication between the liquid container (88) and the discharge port (66), and the valve unit (54, 72) has a valve manipulator (68) which is accessible from outside and by means of which the valve unit (54, 72) can be transferred, from outside, f

Abstract: A dome pump spray assembly employing a known structure of a liquid dome pump in association with a uniquely configured spray spout to achieve atomization of liquids such as soaps, sanitizers, disinfectants and the like. The spray spout includes a deflector which is in juxtaposition to a spout spray tip having angled partial depth passages therein that extend to a central tapered outlet orifice, the passages and orifices generating a vortex of cyclonic action that serves to achieve atomization of the liquid as it passes therethrough.

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: 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: A fuel injection valve includes a valve body having a valve seat, a nozzle plate arranged on an injection side of the valve body, a valve plug for intermitting fuel injection through the nozzle hole, and a sleeve. The nozzle plate has a nozzle hole through which fuel is injected from the injection side of the valve body. The sleeve makes contact with an end surface of the nozzle plate on an opposite side of the valve body with respect to the nozzle plate to partially cover the nozzle plate. Fuel is injected to an outside of the sleeve through the nozzle hole of the nozzle plate and an opening of the sleeve. The end surface of the nozzle plate makes contact with the sleeve in a contact portion. The contact portion has at least one groove that extends from the opening outwardly with respect to a substantially radial direction of the sleeve.

Abstract: An irrigation sprinkler spray nozzle is provided that includes a first deflector surface defining a first configuration to project a fluid spray having a first distribution pattern, and a second deflector surface defining a second configuration to project a second fluid spray having a second, different distribution pattern. To select the fluid spray, the nozzle further includes a selector having a first position to select the first deflector surface and a second position to select the second deflector surface.

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: An irrigation sprinkler spray nozzle is provided that includes a first deflector surface defining a first configuration to project a fluid spray having a first distribution pattern, and a second deflector surface defining a second configuration to project a second fluid spray having a second, different distribution pattern. To select the fluid spray, the nozzle further includes a selector having a first position to select the first deflector surface and a second position to select the second deflector surface.

Abstract: The present invention provides a spray device for fire fighting, which sprays atomized water to extinguish a fire. The spray device (100) includes an upper body (10), a lower body (20) which is removably coupled to the upper body (10), a nozzle tip (30) which has a swirl (39) therein and is removably inserted into each nozzle tip hole (22) of the lower body (20), and an interposition unit (40). The spray device (100) further includes an inclined surface (16), a tightening contact surface (19-1) provided on an outer surface of a circular head part (19) of the upper body (10), a working groove (26) to provide an internal thread (25) on the lower body (20), and a hemispherical mesh (42) which has a convex shape and is provided in a chamber (41) defined at a center position between the upper body (10) and the lower body (20).

Abstract: A spraying head assembly has a tubular body, a cap, an upper plug, a lower plug and a spring. The cap is attached to the body and has a spraying channel, a conical cavity and a spraying hole. The conical cavity is defined inside the cap and communicates with the spraying channel and the spraying hole. The upper plug is held in the body and comprises a spraying end, a connecting end, a head and shaft. The head has a recess communicating with the spraying channel having a conical bottom. Multiple passages are defined in the head and communicate with the recess. The lower plug is mounted movably in the chamber in the body and is connected to the upper plug using the spring. In this arrangement, a liquid supplied to the connecting end forms vortexes in the body to reduce particles of liquid nebulization and raise ejection speed and therefore distance.

Abstract: The invention concerns a spray nozzle comprising a swirling chamber fed with pressurized liquid by a network of channels emerging outside via an ejection conduit. The invention is characterized in that said ejection conduit has an intake section whereof the area and/or the geometry is different from that of the output section.

Abstract: The heating injector in which the fuel is heated within a short time when starting and the size of a fuel atomized particle is very small h as casing 10 for a fuel injection valve which supplies fuel to an engine, orifice member 50 with an orifice through which fuel passes, plunger 20 which carries out switching action of orifice, swirl chip 30 which contacts the orifice member and the casing at a plurality of positions, and forms a fuel passage blocked by a plurality of narrow portions and a fuel heating space channel where entrance side was blocked by the narrow portion in the downstream side, and a heater which is arranged between fuel passage forming member and casing and supported by either of the fuel passage forming member or the casing in a plurality of parts in the fuel passage.

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: The invention relates to an airless dispenser which is used to dispense low doses of liquid products. The inventive dispenser is characterised in that it consists of: a first part comprising a spray nozzle which is communicated with a network of channels on the wall of an inner truncated-cone-shaped bore, and a second part comprising a deformable container which equipped with a rigid flange for fixing the first part in the aforementioned bore. The outer periphery of the flange comprises an inclined surface which defines a vortex chamber, opposite the above-mentioned network of channels, and which, together with the wall of the first part, forms an internal peripheral outlet groove. The outlet groove is defined radially by a flexible lip forming an inlet valve which is supported by the first or second part.

Abstract: A spray device, useful for example as a fuel nozzle for gas turbine engines, comprises a body having a bore and a cap member having an orifice, the body and cap member in combination defining a chamber. Fluid passages introduce pressurized liquid into the chamber and direct a flow into the bore, thereby causing a spinning flow to be forced out through the orifice.

Abstract: A mist nozzle easy to disassemble comprises a combination of a body and a locking cap; a water-stopping unit having a ball stopper and a spring is configured inside the combination of the body; and a rotator is configured between the water-stopping unit and the locking cap, the rotator has a protruding contact strip and a protruding retainer disposed on one end thereof corresponding to the water-stopping unit. When the locking cap is separated from the body, the rotator is exposed, and the moment of taking the rotator out, the protruding retainer picks out the spring and the ball stopper of the water-stopping unit as well, so that the components inside the body have the convenience of departing off that is helpful for cleaning the components.

Abstract: A dual sprayer has an externally mounted mixing manifold for intimately commingling disparate liquids sprayed during pumping and issuing through a nozzle as a complete admixture of dual liquids.

Abstract: An electrically-powered fluid sprayer employs a piezoelectric fluid pump that includes an inlet port, an outlet port, a pump chamber, and a piezoelectric element that is deformed and displaced by electrical signals supplied thereto to vary the volume of the pump chamber. Such displacement pumps fluid into the inlet port and into the pump chamber and discharges fluid from the pump chamber out the outlet port. The inlet port is in fluid-communication with a fluid reservoir. Spin mechanics may be disposed downstream from the outlet port of the fluid pump and upstream from the discharge nozzle. The piezoelectric fluid sprayer may be extended to include a dual chamber piezoelectric pump that pumps different fluids (e.g., a liquid and air). The output of the dual chamber pump is mixed in a manifold and supplied downstream to the discharge nozzle. Spin mechanics may be employed in the fluid stream upstream from the discharge nozzle after the mixing.

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: There is provided a fuel injection valve in which nozzle holes are formed on a metering plate and fuel flowing on a face of the metering plate on the upstream side is injected outside of a face of the metering plate on the downstream side through the nozzle holes. The fuel injection valve includes a vortex flow generator means for changing a flow of fuel passing in each nozzle hole into a vortex flow, wherein the vortex flow generator means is provided on the upstream side of the metering plate. The vortex flow means is a vortex flow generator groove provided on an upper face of the metering plate and connected with a wall face of an entrance of the nozzle hole, and a main stream of fuel flowing in the groove is directed to a position shifted from the center of the nozzle hole. Alternatively, the vortex flow means is a protrusion formed on an upper face of the metering plate. A flow of fuel is changed into a vortex flow in the nozzle hole and injected from the nozzle hole.

Abstract: An aerosol tip mechanism for an aerosol-type dispenser for dispensing liquid content has a flexible outer shell, a rigid cap portion composed of lower and upper portions, and a rigid nozzle portion having a rigid shaft received within the outlet portion of the flexible outer shell. The rigid shaft interfaces the outlet portion of the outer shell, forming a first normally-closed one-way valve. The lower and upper portions of the rigid cap portion form boots adapted to receive an outlet portion of the flexible outer shell, the boots thereby constraining a lateral motion of the outlet portion of the outer shell, and symmetrically centering the outlet portion around the rigid shaft of the nozzle. The rigid nozzle portion includes a plurality of liquid channels for delivering liquid from a reservoir to a swirling chamber defined within the rigid cap portion, which liquid channels are configured to minimize energy losses of the liquid and promote a more homogeneous fluid particle size in the dispensed aerosol.

Abstract: A manually actuated sprayer has an orifice cup with a reverse taper mounted within a cylindrical bore of the discharge passage for positively retaining the orifice cup in place without dislodgement during spray actuation.

Abstract: A fuel injector, in particular for the direct injection of fuel into the combustion chamber of a mixture-compressing, externally fired internal combustion engine, comprising, upstream from a valve-seat surface, a swirl disk provided with swirl channels from which, given an open fuel injector, the fuel flows with a circumferential speed into a swirl chamber which is also located upstream from the valve-seat surface. Each point downstream from the swirl disk (35) through which a flow is to pass has a larger extension in every spatial direction than the diameter of the swirl channels.