Abstract: An improved shower sprayer is provided which includes an oscillating head to provide improved water coverage for a shower user. The valve may include a base, at least one oscillating sprayer head supported by the base and a turbine system driven by a current of water fro a water source. The turbine system actuates the oscillating sprayer head.

Abstract: The present invention relates to a fuel injector for fuel injection systems of internal combustion engines, including, among others, an actuator (10, 11, 12) and a movable valve part (5, 7) cooperating with a fixed valve-seat (22) formed at a valve-seat member (16), to open and close the valve. Arranged downstream from the valve seat (22) is a disk-shaped swirl element (25) which is provided with at least one inlet region (27) and also at least one outlet opening (29), and which includes at least one swirl channel (28) upstream from the outlet opening (29). The inlet region (27) in the swirl element (25) receives a central inflow. All swirl channels (28) originate from here, so that the fuel, which flows through the swirl channels (28) exclusively from the inside towards the outside in the radial direction, is imparted with a swirl component.

Abstract: A spray nozzle is disclosed which includes an elongated nozzle body having an axially extending interior chamber and at least two radially extending air inlet ports communicating with the interior chamber. An elongated fluid inlet fitting having an axial fluid inlet passage is axially disposed within the interior chamber of the nozzle body. A fluid distribution insert is axially disposed within the axial fluid inlet passage of the fluid inlet fitting. The fluid distribution insert has an axial impact chamber formed therein, and an axial fluid feeding orifice which communicates with the axial impact chamber. An air swirling insert is disposed within the nozzle body. The air swirling insert has an interior bore for receiving the fluid distribution insert, and a fluid mixing orifice communicating with the fluid feeding orifice of the fluid distribution insert. A fluid metering insert is axially disposed within the impact chamber of the fluid distribution insert.

Abstract: The fuel injection valve according to the present invention is a fuel injection valve adapted to inject a swirl flow of a high-pressure fuel from an injection port thereof. The injection port includes a fuel inlet portion and a fuel outlet portion. The fuel inlet portion has a cylindrical bore. In the fuel outlet portion, a circumference of an inlet thereof is joined to that of an outlet of the cylindrical bore, and the fuel outlet portion has a cross-sectionally elliptic chamfered part diverging from the inlet thereof to the outlet thereof. A depth of the chamfered part is set ¼ to 2 times as large as a diameter of the fuel inlet portion.

Abstract: A manually-operated, water-powered digging tool which does not utilize a pressure gauge, and a process for digging holes with such tool.

Abstract: The present invention provides specific design dimensions for a sprayer plate flow restrictor orifices of a fuel oil atomizer, and the resulting arrangement of the atomized liquid spray pattern. Specific depth to diameter ratios of the sprayer plate restrictor orifices and specific dimensions of the chamfer of the inlets to the restrictor orifices of the atomizer of the present invention provide improved performance results as compared to prior art atomizers, including reduced emissions and increased durability of atomizer components.

Abstract: A fuel injector is provided which comprises a swirl generator and a swirl regulator. The swirl regulator comprises an upper housing mounted to an upper part of said body and a lower housing including a center aperture, said lower housing and said upper housing cooperatively defining a plurality of cavities; a rotating member including a center shaft and a plurality of vanes formed thereon, said center shaft being rotatably disposed in said center aperture of said lower housing and coupled to said swirl generator, said vane being disposed in said cavity such that said cavity is divided into a first chamber and a second chamber, said first chamber communicating with said fuel passageway and said second chamber communicating with the outside of said injector; a biasing member forcing said rotating member to rotate against a force acting on said vane from a pressure difference between said fuel passageway and the outside of said injector.

Abstract: A foam dispenser utilizes a deformable reservoir, a foamable fluid and air or other gas; a discharge device and an arrangement for producing foam that includes a plurality of mesh screens. When the dispenser is operated, air from inside the dispenser is mixed with the fluid to produce foam. The dispenser employs a shaped and resilient deformable seal for use in quickly recharging the container with air used in the creation of foam. The dispenser also advantageously employs an integrally molded swirl manifold to create a foam of excellent quality and consistency.

Abstract: An electronic fuel injector capable of supplying fuel in a stable manner is provided by employing a swirler, which is manufactured at a lower cost and has durability, and by ensuring superior wear resistance of the swirler and a valve member provided on a movable part, which is put into frictional contact with the swirler. The electronic fuel injector comprises a movable part, a valve member, a valve seat, a swirler, a stopper, a stator core, a casing, a spring, and an electromagnetic coil. A valve member is provided at a fore end of the movable part. The swirler serves not only to swirl fuel, but also to guide movement of the valve member provided at the fore end of the movable part. The swirler is formed of a powder sintered compact of martensitic stainless steel having corrosion resistance and wear resistance.

Abstract: A fuel injection valve capable of eliminating pressure loss at the upstream portion of swing grooves while speeding heat radiation from a swing body is provided. Most of an outer circumferential part of the swing body 13 for applying swing to fuel is in a full circumference engagement with an inner circumferential surface of a valve body 9 and further, the upstream portion of the swing grooves 20 is constructed by a doughnut-shaped common passage 13d.

Abstract: The invention relates to an atomizing burner, especially for use in an automobile auxiliary heating system, comprising an atomizing nozzle (2) for processing the fuel, an ignition device (29) and a combustion chamber (8). An iar conduction device (10, 12, 14) is connected upstream of a nozzle holder (3) of the atomizing nozzle (2) in order to achieve finer atomization of the fuel. Said air conduction device subjects the combustion air streaming into the atomizing nozzle (2) to a swirl.

Abstract: Apparatus for mixing together two fluid streams comprises a first fluid conduit for carrying a first fluid stream between an inlet and an outlet, a venturi being provided in said first fluid conduit between said inlet and said outlet. The venturi comprises an upstream tapering portion which converges towards a reduced diameter throat and a downstream diffusing portion which diverges from the throat towards the outlet. The tapering portion, throat and diffusing portion are defined around a central axis. At least one mixing inlet having a discrete opening communicating with the throat of the venturi is provided for introducing a second fluid stream into the first fluid stream so that the two fluid streams mix as they flow through the venturi diffuser portion towards the outlet.

Abstract: A liquid sprayer is provided. This liquid sprayer comprises a bottle having an opening and a sprayer housing attached to the bottle. This sprayer housing includes an electric motor, a voltage source for powering the electric motor, a pump driven by the motor, a switch for completing an electrical circuit, a nozzle mechanism attached to the sprayer housing for spraying a liquid. The liquid sprayer also comprises a venting mechanism. This venting mechanism comprises a vent housing having an inner surface and an outer surface, and a translating piston disposed in the vent housing.

Abstract: The present invention relates to a swirl disk that distinguishes itself in that it has at least one inlet region and at least one outlet opening, the at least one outlet opening being introduced in a bottom base layer. The swirl disk also has at least two swirl channels, which empty into a swirl chamber, the swirl chamber being provided in a swirl-generating layer. The swirl channels being situated and positioned such that when a fluid flows through, at least two swirl flows are generated next to one another in opposite directions, each one having its own jet branch. The swirl disk is particularly suitable for use on a fuel injector, in particular a high-pressure injector for directly injecting fuel into a combustion chamber of a mixture-compressing, spark-ignition internal combustion engine.

Abstract: Radial actuation of a handle (15) axially retracts the dispensers shaft (6) inclusive an exit head (9) relative to a base body (5) and a reservoir (7). The shaft (6) is prevented from rotating. The medium thus flows from a pressure chamber (26) via an outlet valve (32) through the entire shaft (6) to a medium exit (20) while being swirled. For facilitated handling the base body (5) and the reservoir (7) form a rod-shaped grip with the handle (15) on one side and a finger scallop (72) on the other.

Abstract: A membrane for most commonly known nozzles has an elastically flexible, compressible resilient material placed between said inside surface of said plate and the opposite surface of the insert face; an annular outer portion that is initially flat; a projection at its center portion in bell-shaped dome form at its active surface which abuts against the inside surface of the central plate, said membrane forming a supplementary recess in its opposite surface and said insert front surface; an annular hermetic seal enclosing a small air chamber, said air chamber being deformable under pressure by the deformation of said membrane; said projecting dome at the center portion of the membrane being seated against the inside walls of the outlet orifice in the plate, describing an annular seal against said walls of said outlet channel.

Abstract: A fuel injection system capable of improving the degree of atomization and the combustibility of a fuel, including a fuel swirler, a valve seat having a fuel injection port, an annular fuel swirl chamber formed between the fuel swirler and a valve seat and communicating with plural swirl grooves and a fuel injection port, and a valve body adapted to be moved forward and backward in the interior of the fuel swirler in the axial direction thereof and thereby disengaged from and engaged with the valve seat to open and close a communication passage between the fuel swirl chamber and fuel injection port. Let S1, S2 and S3 equal a minimum cross-sectional area of an opening between the valve body and valve seat in the condition in which the communication passage is fully opened, an area of a cross section of the fuel injection port which is perpendicular to the axis thereof, and an average cross-sectional area of a fuel flow in the fuel injection port, respectively.

Abstract: An automated, computer-controlled landfill condensate injection system includes a pump that pumps condensate into a flare chamber at a pressure that is sufficiently high and through a nozzle that is configured to vaporize the condensate without requiring the use of high pressure air injected with the condensate. Secondary injection lines can also be provided that terminate in nozzles which are vertically staggered from each other along the chamber, to inject additional condensate into the flare and thus dispose of it at a higher rate depending on vaporization conditions. Computer-controlled valves can be provided in the lines for selectively opening and closing the lines.

Abstract: A fuel injector that has a valve needle that can be moved axially within a swirl insert and which has, among other things, a valve closing section that works in conjunction with a valve seat. The swirl insert, which has an inner longitudinal opening for the valve needle, has a swirl area having on its downstream end an arrangement for imparting a swirl. The arrangement for imparting swirl are designed in the form of swirl grooves which extend from the conical outer edge to the longitudinal opening and which open out to the lower end face of the swirl insert.

Abstract: The invention relates to a fire extinguishing device that includes at least one liquid conduit connected at one end to a source with a fire extinguishing liquid under pressure, and at the other end having channels in a nozzle head with a plurality of nozzles. The channels of the nozzle head include a first channel connected to at least one atomizing nozzle for discharging liquid in atomized form, and a second channel which has an air intake. A foam nozzle is connected to the second channel downstream of the air intake for discharging a liquid in foamed form. The device can be utilized for effectively extinguishing class A, B, C, and E fires and can with one single handle be converted to fighting fires with either foam or water. The water can be atomized to a very high fineness by means of a relatively slight pressure of about 10 to 25 bar over a range of more than 10 meters. Far less water is used for extinguishing a fire than when using conventional fire extinguishing equipment.

Abstract: A dispenser (11) with an atomizing nozzle (15) contains a medium chamber (20) with the medium (24) to be discharged. The pump plunger (21) delivering the medium (24) is hydraulically operated by the pressure of a pressure fluid (25), which is manually applied by pressure on a pressure chamber (28) constructed as a squeezing bottle or bag. Several dispensers can be jointly manufactured and sold in chain form.

Abstract: A pressure swirl atomizer for providing a low-plume aerosolized spray of liquids, solutions or other suspension which includes a swirl chamber which create shear forces which causes the spray to aerosolize.

Abstract: The present invention discloses an atomizer 28 facing the component 32, 34, 36, 64 to be cooled and sprayed. The atomizer 28 has a first housing 90 and a second housing 92 joined together by threads 103, 108. Fluid passes from the inlet 76 to the outlet 70 through a central conduit 80 and a spring 82 and ball 84 check valve assembly is used to control the fluid flow. The atomized spray 30 takes on a spiraling nature due to the presence of a rotational nozzle 86 within the atomizer 28 that is acted upon by the passage of the pressurized fluid traveling through multiple diagonal channels 94 cut in the nozzle's head 78.

Abstract: A dispensing head configured to actuate a dispensing member, particularly a pump or valve, and for dispensing a product, particularly a cosmetic product, via at least one dispensing outlet formed in the dispensing head. The dispensing head includes an element capable of forming a seal between the dispensing head and an inside surface of a pump or valve stem of the dispensing member. The sealing element is configured to engage in a sealed manner inside the pump or valve stem and to make a seal on pump or valve stems of differing inside surface dimensions.

Abstract: The present invention provides a GDI injector of a vehicle engine that can change the level of swirl motion and make it possible to increase engine output and fuel mileage, comprising a nozzle body having an opening along its longitudinal axis, a fuel inlet member, a cylindrically-shaped needle valve being centrally located within the opening of the nozzle body, and a swirl generator, the swirl generator comprising: an inner case having a cylindrically-shaped body and a plurality of equally and angularly spaced lobes, the inner case being coupled to the needle; an outer case having a cylindrically-shaped body and a plurality of equally and angularly spaced grooves, the outer case being fixedly attached to the nozzle body; and an inner case rotator.

Abstract: A nozzle 10 for a fuel injector assembly 12. Nozzle 10 includes several integrally formed ports 36 and chambers 38. Chambers 38 receive fuel from ports 36 and are effective to cause the received fuel to swirl and/or spiral through discharge holes 44, thereby causing the fuel to be finely and quickly atomized.

Abstract: Step portions in a core and a valve holder are provided, and an L-shaped sleeve is fitted in these step portions. This construction axially shortens the coextensive portion of the outer circumference of the armature and the inner circumference of the sleeve. The length of the armature is also relatively shortened.

Abstract: The water jet of a conventional water jet device is straight, bundled and impinges with its complete cross-section onto the biological structure to be separated. This renders the separating section frequently imprecise and requires an increased flow pressure. Therefore, a water jet device with a novel separating nozzle (14) is furnished. This separating nozzle (14) is furnished with a nozzle channel (15), wherein the nozzle channel (15) is furnished with one or several twisted grooves (16) at the circumference of the nozzle channel (15) and wherein the number of the twisted grooves (16) and the diameter and the length of the nozzle channel (15) are placed in such ratio that the separating jet subjected to pressure is rotated.

Abstract: A spray nozzle of a fire protection system is provided for discharging a hollow cone spray pattern. The nozzle generally includes a hollow, elongated body and an integral core subassembly which may be preassembled. The integral subassembly configuration simplifies the subsequent assembly, disassembly or service of the overall nozzle in the field. In an exemplary embodiment, the subassembly includes a unitary core holder having a plate portion and an annular wall portion, with a discharge orifice disposed centrally in the plate portion. Additionally, the subassembly includes a disc-shaped core having a plurality of sloped passages. The core and core holder are cooperatively shaped to define generally cylindrical a whirl chamber in a space between a downstream surface of the core and the plate portion of the core holder.

Abstract: Sticking of carbon deposit to a passage portion between a seat portion and an injection port is reduced. An injection port 13 for injecting a fuel that is arranged to face a combustion chamber of an internal combustion engine. A seat portion H where a valve element 8 comes in contact with a face of a valve seat 11 to intermit fuel injection is arranged at a place upstream the injection port 13. The valve element 8 is conical at a portion downstream the seat portion H to an inlet of the injection port 13. Sectional area of passage between the valve element 8 and the face of the valve seat 11 at the time of fully opening the valve element 8 is arranged so that sectional area of passage downstream the vicinity of the seat portion H is larger. A tapered face 17 having a bore not more than 1/2.5 of inner diameter of a swirl chamber 16 of a swirler 10 is formed on the valve seat 11 face downstream the seat portion H.

Abstract: A fuel injector, in particular a high-pressure injector for directly injecting fuel into a combustion chamber of a mixture-compression, spark-ignition internal combustion engine, which is characterized by the fact that at a valve seat element a conical section is formed having a valve seat surface, to which an outlet opening is immediately joined in the downstream direction. The outlet opening has an intake plane, whose central point lies on the valve longitudinal axis, whose central axis, however, runs diagonally with respect to valve longitudinal axis. A disk-shaped swirl element is arranged upstream of the valve seat element. The swirl element has swirl channels, which are distributed over the periphery, the swirl channels having varying geometries or dimensions.

Abstract: In an injection molding machine a mixer is provided that reduces the flow imbalances inherent in the melt as the flow branches within a manifold or other part of the injection machine. The mixer increase melt homogeneity by gradually mixing and changing the melt flow from all helical flow to all annular flow. The mixer provides an improved means for reducing flow imbalances that results in the elimination of weld lines and other part non-uniformities.

Abstract: The invention concerns a spray nozzle comprising a central swirl chamber (1) in which the fluid to be sprayed penetrates by tangential channels (7) producing a swirl axis perpendicular to the longitudinal axis (I—I). The fluid comes out of the swirl chamber (1) through a coaxial outlet passage (4). The nozzle comprises a rear coaxial recess (8) dimensioned and shaped so as to inhibit any residual outflow of fluid through the coaxial outlet passage (4) when the fluid supply is interrupted at the spray nozzle inlet (6).

Abstract: A spray device used for an endoscope, the spray device having a liquid transfer tube and a spray nozzle connected to a distal end of the liquid transfer tube, includes at least one spiral guide channel; a liquid whirling chamber positioned in front of at least one spiral guide channel to be connected to an outlet thereof; and an orifice formed at a center of a front inner surface of the liquid whirling chamber. The front inner surface includes a concave surface, and the concave surface is formed so that the orientation of a tangential plane at a point on the front inner surface becomes closer to the orientation of a plane normal to the axis of the spray nozzle as the point on the front inner surface approaches the axis of the spray nozzle.

Abstract: A double-swirl spraying nozzle has two swirl chambers which are open toward opposite sides and are in each case arranged on respective sides of a longitudinal center plane extending through the inflow duct and are preferably designed mirror-symmetrically with respect to the center axis of the inflow duct. This design makes it possible for the medium to enter without any cross-sectional constrictions into the two swirl chambers and to exit with a different swirl in opposite directions.

Abstract: A shower head operates under low water pressure. The shower head utilizes a unitary ball. The ball includes a vaned member integrally formed in a passageway through the ball. The vaned member includes a plurality of spaced apart helical arms coterminating at an intermediate rounded spherically shaped surface which evenly distributes water intermediate the helical arms. Water from the vaned member discharges into a large vortex chamber and from the vortex chamber through a smaller venturi-like aperture which accelerates the water past aeration ports.

Abstract: A fuel injection system capable of improving the degree of atomization and the combustibility of a fuel, including a fuel swirler, a valve seat having a fuel injection port, an annular fuel swirl chamber formed between the fuel swirler and a valve seat and communicating with plural swirl grooves and a fuel injection port, and a valve body adapted to be moved forward and backward in the interior of the fuel swirler in the axial direction thereof and thereby disengaged from and engaged with the valve seat to open and close a communication passage between the fuel swirl chamber and fuel injection port. Let S1, S2 and S3 equal a minimum cross-sectional area of an opening between the valve body and valve seat in the condition in which the communication passage is fully opened, an area of a cross section of the fuel injection port which is perpendicular to the axis thereof, and an average cross-sectional area of a fuel flow in the fuel injection port, respectively.

Abstract: An atomizing injector includes a metering set having a swirl chamber, a spray orifice and one or more feed slots etched in a thin plate. The swirl chamber is etched in a first side of the plate and the spray orifice is etched through a second side to the center of the swirl chamber. Fuel feed slots extend non-radially to the swirl chamber. The injector also includes integral swirler structure. The swirler structure includes a cylindrical air swirler passage, also shaped by etching, through at least one other thin plate. The cylindrical air swirler passage is located in co-axial relation to the spray orifice of the plate of the fuel metering set such that fuel directed through the spray orifice passes through the air swirler passage and swirling air is imparted to the fuel such that the fuel has a swirling component of motion. At least one air feed slot is provided in fluid communication with the air swirler passage and extends in non-radial relation thereto.

Abstract: A scrubbing apparatus for separating gaseous or particulate contents, especially from flue gas, using a plurality of spin spray nozzles arranged such that adjacent spray nozzles have a different spin. Double spin spray nozzles can be used that produce oppositely aimed spray jets of different spin.

Abstract: A misting head system (24) configured to render a fluid (32) into a mist (36) is provided. The system (24) includes a misting head body (26) and a poppet (20). The misting head body (26) has a cylindrical chamber (28), an inlet (30) configured to pass the fluid (32) into the chamber (28), and an orifice (34) configured to pass the fluid (32) out of the chamber (28) and to render the fluid (32) into the mist (36). The poppet (20) has a cylindrical core (38) configured to force the fluid (32) to pass through a space (44) between the core (38) and an inner wall (46) of the chamber (28), a fracture band (54) coupled to the core (38), configured to center the core (38) within the chamber (28), and having a plurality of flutes (60) configured to fracture the fluid (32) as the fluid (32) passes through the space (44), and an orifice end (40) of the core possessing a plurality of symmetrically spaced slits (48) configured to further fracture the fluid (32).

Abstract: A spray head for fixing on a control rod of a valve or a pump. The spray head includes a body and a shutter disposed in a housing of the body. The housing is suitable for dispensing substance under pressure. At rest the shutter is in a closed position in which its frustoconical head portion is seated a frustoconical bearing surface of the body. The shutter moves away from the bearing surface under the pressure of the substance contained in the housing when the substance is being dispensed to form an annular dispenser orifice enabling the substance to be dispensed in the form of a hollow conical spray, at least in the vicinity of the spray head. The shutter moves away from the bearing surface against a resilient return action urging it back towards its closed position and returns to the closed position when the pressure of the substance diminishes.

Abstract: A spray nozzle includes a central swirl chamber (9), receiving the fluid tangentially through lateral fluid inlet channels (14) from a peripheral front cavity (8), and projecting the fluid in outlet through a coaxial outlet passage (12). The coaxial outlet passage (12), the central swirl chamber (9) and the fluid inlet channels (14) are made up of ribs and recesses in a front plate (15) engaged between a nozzle (1) hollow body and a rear core (5) which is itself formed by a core rear body (5a) and a rear plate (5b) with rear axial recess (17). Thus one can economically produce fluid inlet channels (14) and a central swirl chamber (9) with coaxial outlet passage (12) and rear axial recess (17) with very accurate dimensions, thereby ensuring satisfactory reproducibility of the features of the fluid spray jet at the outlet.

Abstract: A fuel injector having a body, an armature, a needle, a seat, and a flat disk that provides both a needle guide and a swirl generator. The body has an inlet portion, an outlet portion, and an axially extending body passage from the inlet portion to the outlet portion. An armature proximate the inlet portion of the body. A needle is operatively connected to the armature. A seat is located proximate the outlet portion of the valve body. The seat includes a first seat surface, a second seat surface, a seat passage extending between the first seat surface and the second seat surface in the direction of the longitudinal axis. The flat disk is located proximate the first seat surface. The flat disk has a first disk surface and a second disk surface. A guide aperture and at least one opening extends between the first disk surface and the second disk surface, and a swirl generator is provided in the second disk surface that communicates with the guide aperture.

Abstract: A valve-closure member has an outer straight portion or an outer cylindrical portion confronted respective groove outlets of a swirler at a length of not less than ⅓ of the groove depth of the grooves when the valve is fully opened, or at a length of not less than {fraction (1/10)} of the groove depth when the valve is totally closed.

Abstract: A fuel injection valve, in particular, a high-pressure injection valve, for injecting fuel directly into a combustion chamber of a compressed-mixture internal combustion engine with externally supplied ignition. The fuel injection valve includes a guide and seating area formed by three disc-shaped elements provided at the downstream end of the valve. A swirl element is embedded between a guide element and a valve seat element. The guide element is used to guide a valve needle which passes through it and can move in the axial direction, while a valve closing segment of the valve needle interacts with a valve seat surface of the valve seat element. The swirl element has an inner opening area with multiple swirl channels which are not joined to the outer circumference of the swirl element. The entire opening area extends completely across the axial thickness of the swirl element.

Abstract: A fuel injector for an internal combustion engine is disclosed. An injection hole thereof has a width larger than a height thereof. In the fuel injector, the fuel before being injected is imparted with a swirl component about the center axis of the injection hole by a spiral groove.

Abstract: A solenoid actuated fuel injector includes a valve body having a longitudinal axis. A valve seat subassembly is mounted in one end of the valve body. The valve seat subassembly includes a valve seat having a seating surface and a circumferential sealing surface surrounding the seating surface. The valve seat subassembly also includes a lower needle guide and swirl disk laser welded to the valve seat. The subassembly includes a radially extending flange that axially positions the subassembly in the nose of the injector and eliminates the tolerances associated with the stack up height of conventional valve seat subassembly components.

Abstract: A fuel arrangement for a combustion apparatus, comprises at least one passage for the flow of fluid, the passage being of substantially annular cross section, being defined by a radially inner wall and a radially outer wall and having an inlet region and an outlet region. The inlet region incorporates a plurality of vanes adapted to modify a flow pattern of a fluid entering the inlet region, such that fluid passing from the inlet region to the outlet region has a composite flow pattern having both an axial component and a rotational component about the longitudinal axis of the passage.

Abstract: The object of the invention is to provide a two-stage pressure atomizer nozzle for at least one liquid to be atomized, with which two-stage pressure atomizer nozzle improved liquid distribution in the exterior space of the pressure atomizer nozzle, in particular improved fuel distribution in a premix burner, can be achieved. To this end, the pressure atomizer nozzle has a nozzle head (4) connecting the outer and inner tubes (2, 3) to one another downstream. At least two separate turbulence and/or swirl chambers (9, 10, 11, 12) are arranged in the nozzle head (4). Each of these turbulence and/or swirl chambers (9, 10, 11, 12) is connected to the second feed passage (6) via at least one swirl passage (16), to the first feed passage (5) via at least one turbulence-generator passage (15) and to the exterior space (18) of the nozzle body (1) via a discharge opening (17).

Abstract: An injector, in particular for injecting fuel directly into a combustion chamber of an internal combustion engine, having a fuel flow path from a fuel intake to a spray orifice, a plurality of fuel channels being arranged in the flow path in front of the spray orifice, their cross section, given a certain fuel pressure, determining each quantity of fuel spray-discharged per unit of time. To influence the fuel distribution in a spray-discharged fuel cloud and, in particular, to attain a selected strand-like quality of the fuel cloud, provision is made that at least one part of the fuel channels is aligned such that the fuel jets issuing from them are spray-discharged directly through the spray orifice when the valve is open.