Abstract: A fuel injector for use in a fuel injection system of an internal combustion engine that includes a body, valve seat, closure member, orifice plate and metering device. The closure member and the valve seat define a sealing surface, located on a virtual circle defining a sealing diameter. The orifice plate includes a third surface, a fourth surface and at least one orifice, located on a virtual circle on the orifice plate defining a first radius and between the third and fourth surfaces. The metering device has first and second faces contiguous to a third face. At least one of the first and third faces are spaced from one of the first and second surfaces of the valve seat to define a plurality of passages. Each passage has an outlet located on a virtual circle defining a second diameter greater than at least one of the first and the sealing diameters.

Abstract: A gas injector includes a body, a motor and a chopper. The body is mounted on a reaction chamber in a vertically extending cylinder shape and has a plurality of gas injection tubes and a central hollow portion. The plurality of gas injection tubes pass through a bottom face of the body and the central hollow portion passes through each center of the bottom and top faces of the body. The motor has a rotary shaft inserted into the central hollow portion. The chopper is formed in a circular-plate shape and has a notch on a predetermined portion. The chopper is coupled with an end of the rotary shaft and rotated by a rotation of the rotary shaft in a state that the bottom face of the body is closely attached to the chopper through a magnetic sealing.

Abstract: A fuel injection valve including an orifice plate having a plurality of injection orifices, a valve seat in the upstream section of the injection orifices and has a cylindrical fuel flow path formed therein, a fuel cavity formed between the fuel flow path and the orifice plate directly above the injection orifices, and a valve member supported for its reciprocations to settle in and lift off the valve seat. The relationships among dimensions are &phgr;D1+&phgr;d<&phgr;P and t<&phgr;d, where &phgr;D1 is the diameter of the fuel flow path, &phgr;d the diameter of the injection orifices, &phgr;P the diameter of a pitch circle with its center coinciding with the axis of the fuel flow path, and t the depth in the axial direction of the fuel cavity.

Abstract: A valve seat/director unit the combines the functions of an injector valve seat and a separate spray director plate into an integral unit combining both functions. The unit is a generally flat plate having an outer portion with at least one sealing rib. A central portion includes at least one endless rib forming a valve seat and surrounding a spray director including a recessed area communicating with at least one fuel spray opening. Upper surfaces of the sealing rib(s) and valve seat are preferably flat and coplanar with one another for engagement by cooperating surfaces of an injector member and a valve member, respectively.

Abstract: A swirl disk 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: A fuel injector for fuel injection systems of internal combustion engines has a valve needle (3) and, mechanically linked thereto, a valve closing body (4), which cooperates with a valve seat surface (6) disposed in a valve seat body (5) to form a sealing seat, and has a plurality of recesses (34), which are introduced in the valve seat body (5) downstream from the sealing seat. Situated downstream on the valve seat body (5) is a flow-through screen (31) in which, for each recess (34), at least one discharge orifice (7) is introduced, whose cross-section is smaller than that of the particular recess (34) and which is positioned such that its inlet cross-section is situated fully within the outlet cross-section of the particular recess (34).

Abstract: A spout plate used in a spray head of a sprayer includes a spout plate insertably secured at the spout end of the spray head and made from a slightly flexible rubber or plastic material such that multiple posts defining distinct water guide channels are provided annularly on the spout surface thereof. A center of the spout plate is connected to a center of the interior of the spray head. When the spout plate is insertably secured at the spout end of the front end of the spray head of the sprayer, and water flows through the interior of the spray head and flow out of the spout plate for spraying via the water guide channels of the posts provided on the spout plate, different water jets can be sprayed out from the water guide channels of the posts to thereby provide an extensive spraying area and multiple effects.

Abstract: A fuel injection valve includes a valve seat member having a valve seat and a valve bore provided through a central portion of the valve seat, and an injector plate coupled to an outer end face of the valve seat member and having a plurality of fuel injection bores arranged in an annular shape surrounding an axis of the valve bore. A fuel diffusion chamber is defined between the valve seat member and the injector plate, and faced by the valve bore and all the fuel injection bores. The plurality of the fuel injection bores are formed in parallel to the axis of the valve bore, and the spreading angle of a fuel spray foam formed by the fuel injected from the fuel injection bores is determined depending on an axis distance between the valve bore and each of the fuel injection bores. Thus, it is possible to determine the spreading angle of the fuel spray foam as desired.

Abstract: A fuel injector has a chamber between a valve body and a plate in which a plurality of through holes are formed. The chamber has a diameter larger than that of an opening of the valve body. The through holes are opened at an outer chamber area shaded by the valve body are distanced from an outer wall of the chamber more than a diameter of the through hole. Fuel flowing along an inner inclined surface of the valve body turns to the through holes and flows into the through hole from all directions and collides with each other at inlets of the through hole. Therefore, injected fuel has a lot of turbulences and is finely atomized.

Abstract: An injection system, injector, and associated method are provided for injecting and combusting combustion fluids in a combustion chamber. The system includes a faceplate that faces the combustion chamber and a plurality of injectors that extend through the faceplate. Each of the injectors has an injector body with an outlet side. A fuel bore extends from a fuel bore inlet to a fuel bore outlet located at the outlet side of the injector. Each injector also includes a swirler chamber with at least one inlet for receiving steam and an oxidizing fluid and an oxidizing fluid outlet located on the injector outlet side. A converging channel extends from the oxidizing fluid outlet to the swirler chamber, and the converging channel converges relative to the fuel bore so that steam and oxidizing fluid exiting the injector through the oxidizing fluid outlet impinge on a stream of fuel in the combustion chamber flowing from the fuel bore.

Abstract: A vibratory plate liquid atomization device (10) having a tilted orifice plate (34) which is vibrated by a piezoelectric actuator (36); and a novel replaceable liquid reservoir (40) having a vertically extending, dimensionally stable, liquid delivery system (44) with a non-horizontal upper surface (44a).

Abstract: A fuel injector (1) for fuel-injection systems of internal combustion engines includes an actuator (10), a valve needle (3), which is able to be activated by the actuator to actuate a valve-closure member (4), which, together with a valve-seat surface (6) formed at a valve-seat member (5), forms a sealing seat; and a plurality of spray-discharge orifices (7) which is formed in the valve-seat member (5). At a discharge-side end (42) of the fuel injector (1), a nozzle-orifice cover (37) is positioned, which shields the spray-discharge orifices (7) from the combustion chamber of the internal combustion engine.

Abstract: A fluid ejection device comprises a substrate having a first surface; a fluid ejector formed over the first surface; and a cover layer defining a firing chamber formed about the fluid ejector, and defining a nozzle over the firing chamber. The cover layer is formed by at least two SU8 layers.

Abstract: A liquid injection apparatus 10 comprises an injection device 15, and an electro-magnetic injection valve 14 for ejecting pressurized fuel into the injection device. An ejection hole in the electro-magnetic injection valve is connected to a hollow cylindrical hermetically sealed space, which in turn is connected to a liquid ejection nozzle, through a liquid filling port, a liquid supply passage, and a chamber which are included in the injection device. By means of allowing the electro-magnetic injection valve to eject the pressurized fuel at an angle of inclination relative to the center axis of the hollow cylindrical hermetically sealed space, flows of fuel are produced across a wide area in the hermetically sealed space so that large-sized air bubbles are prevented from being formed in the hermetically sealed space.

Abstract: A pin jet nozzle for providing an evaporative fog in evaporative cooling systems or the like has a body member with an internal bore for receiving fluid under pressure, and an orifice receiving chamber integrally formed in the upper surface of the body member. The orifice receiving chamber is unitary with the body member and in fluid communication with the internal bore. An orifice member is directly secured in the orifice receiving chamber so that an orifice of the orifice member is coaxial with the internal bore. A pin member has an impingement pin with an impingement face that is spaced from, and in alignment with, the orifice.

Abstract: The invention concerns a liquid droplet spray device for atomising a liquid substance, comprising a housing comprising a first substrate, a second substrate superposed on the first substrate and a space enclosed by said first and second substrates for containing the liquid substance.

Abstract: The invention relates to an improved design for a spray gun and application system for cold gas dynamic spraying of a metal, alloy, polymer, or mechanical mixtures thereof. The gun includes a rear housing comprising a powder inlet and a gas inlet, a front housing removably affixed to the rear housing and comprising an mixing cavity therein for mixing of the powder and gas and an exit therefrom, a nozzle holder having a bore disposed therethrough and removably affixed to the front housing, and a nozzle positioned within the nozzle holder, an interior taper of the nozzle holder bore complementing an exterior taper of the nozzle, said nozzle having an initially converging, subsequently diverging centrally disposed bore therein adapted to receive the mixed powder and gas from the mixing chamber.

Abstract: A nozzle plate is provided with annular step portions each located on the periphery of a nozzle opening rim on a valve seat side, which rises up towards the nozzle opening rim from the radial outside of the nozzle, to form a fuel flow which flows in reverse from the radial outside to collide at an incline with a fuel flow which flows directly into the nozzle.

Abstract: A liquid jet nozzle for forming a high velocity liquid jet from a pressurized liquid, includes a monolithic Nitinol body having an input side and an output side. A tapering lead-in channel opening in the input side and tapers to a central web, through which extends a small diameter orifice, communicating through the web from the lead-in channel to an egress opening in the output side of the body. The orifice interacts with the high pressure liquid to shape the pressurized liquid into a narrow, high velocity liquid jet which exits the body through the egress opening. A surface layer of nickel titanium oxide on the Nitinol in the orifice provides enhanced resistance to erosion by the high pressure liquid.

Abstract: Between respective injection holes 107 on the face of a plate member 111 in a fuel passage, grooves 201 are provided which run along the circumferential direction of the respective injection holes 107, and at the positions of the grooves 201 overflows 502 are formed, and further contracted flow portions 602 are formed in the injection holes 107, thus, the maximum flow velocity of fuel is increased at the injection hole outlet portions, thereby, a fuel injection valve and an internal combustion engine of which atomization performance near the injection holes is effectively enhanced are provided.

Abstract: A fluid injection nozzle (5) is mounted on a fluid injector valve (1) in order to control the flow of (and atomize) fluid passing through an injection hole (3b) of the fluid injector (1). The fluid injection nozzle (5) may include at least one nozzle hole (5a) that comprises an inlet hole (51a), an intermediate hole (52a) and an outlet hole (53a). These holes preferably serve to impart a step-wise control of the fluid flow exhausted from the injection hole (3b). The intermediate hole (52a) may have a longitudinal axis (L2) that extends substantially perpendicular toward a nozzle axis (L1). The intermediate hole (52a) may include a first terminal end that communicates with the inlet hole (51a) and a second terminal end that communicates with the outlet hole (53a). The intermediate hole (52a) preferably has a substantially uniform width (W) along substantially the entire length in the longitudinal axis (L2).

Abstract: In a fuel injection valve including a flat fuel diffusion chamber provided between a valve seat member and an injector plate to widen radially outwards from an outer end edge of a valve seat bore, an annular step is formed on a ceiling surface of the fuel diffusion chamber so that a level of the ceiling surface is gradually lowered radially outwards, and fuel injection orifices are disposed immediately below the step and at a distance from an inner peripheral wall of the fuel diffusion chamber. Thus, a fuel spread radially in the fuel diffusion chamber is allowed to collide with the annular step, leading to an enhancement in fuel diffusing effect, so that it is possible to further promote the atomization of the fuel injected from the fuel injection orifices and to form more stable fuel spray forms.

Abstract: Embodiments of the present invention include apparatus and methods for aerosolizing liquid. One embodiment of the invention provides an apparatus for generating an aerosol. The apparatus includes an actuator having a first face and a second face and defining an opening therethrough, as well as a vibratory element in mechanical communication with the actuator, and a sealing member configured to isolate the vibratory element from a surrounding environment. In accordance with certain embodiments, the apparatus further comprises an aerosolization element mounted on the actuator and disposed substantially over the opening, wherein the aerosolization element defines at least one aperture therethrough. Hence, the vibratory element may be operated to vibrate to cause movement of the aerosolization element in such a manner that a liquid at the first face of the aerosolization element can be dispensed as an aerosol through the at least one aperture.

Abstract: An injection system, injector, and associated method are provided for injecting and combusting combustion fluids in a combustion chamber. The system includes a faceplate that faces the combustion chamber and a plurality of injectors that extend through the faceplate. Each of the injectors has an injector body with an outlet side. A fuel bore extends from a fuel bore inlet to a fuel bore outlet located at the outlet side of the injector. Each injector also includes a swirler chamber with at least one inlet for receiving steam and an oxidizing fluid and an oxidizing fluid outlet located on the injector outlet side. A converging channel extends from the oxidizing fluid outlet to the swirler chamber, and the converging channel converges relative to the fuel bore so that that steam and oxidizing fluid exiting the injector through the oxidizing fluid outlet impinge on a stream of fuel in the combustion chamber flowing from the fuel bore.

Abstract: A high velocity cutting nozzle for connection to the fluid supply tube of a high pressure fluid cutting system. The nozzle includes a housing which threadably connects to the fluid supply tube for receiving pressurized liquid therefrom spraying outwardly through a spray outlet bore of the housing. The housing includes a flow directing bore with a convergent inlet portion for reducing turbulence, and a bulbous outlet portion having an annular curved divergent surface and an annular curved divergent surface. An orifice disk is disposed within the housing in coaxial fluid communication with the flow-directing bore and the spray outlet bore of the housing immediately downstream of the flow-directing bore.

Abstract: A disposable liquid storage and transfer device for storing and transferring a plurality of liquid droplets to one or more substrates, the device comprising a plurality of reservoirs for holding a respective volume of liquid, each reservoir having a dispensing outlet at a distal end through which a desired amount of liquid can be dispensed from the reservoir at irregular intervals determined by a user, an inlet at a proximal end, and an actuator provided at a distal end of the reservoir which when activated results in the ejection of the desired amount of liquid from the dispensing outlet.

Abstract: A high velocity cutting nozzle for connection to the fluid supply tube of a high pressure fluid cutting system. The nozzle includes a housing which threadably connects to the fluid supply tube for receiving pressurized liquid therefrom. A bushing disposed within the housing sandwiches a removable sleeved jeweled orifice disk therebetween at a spray outlet bore of the housing. The bushing includes a flow directing bore with a convergent inlet portion for reducing turbulence, and an outlet portion having an annular cylindrical or divergent inner surface, and an annular convergent angled or curved end surface. The sleeved orifice disk is in co-axial fluid communication with the flow-directing bore and a spray outlet bore of the housing to facilitate fluid flow. The sleeved orifice disk fits within a sleeve receiving bore in the bushing immediately downstream of the flow-directing bore abutting a shoulder of the bushing.

Abstract: A swirl disk is composed of at least one metallic material, and is configured as having at least one intake area and at least one outlet orifice, the at least one outlet orifice being introduced in a lower base layer, and having at least two swirl channels emptying into a swirl chamber, the swirl chamber being provided in a central swirl-producing layer. An upper layer is configured as a cover layer, which over its entire cross-sectional surface represents a closed layer without orifice contours. All the layers of the swirl disk are directly built up on top of each other using electroplating metal deposition (multilayer electroplating). The swirl disk is suitable for a use in a fuel injection valve, in particular in a high-pressure injection valve for directly injecting the fuel into a combustion chamber of a mixture-compressing, external-ignition internal combustion engine.

Abstract: A fuel injector (1), in particular for the direct injection of fuel into a combustion chamber of an internal combustion engine, includes a valve needle (3) at whose discharge-side end a valve-closure member (4) is positioned, which cooperates with a valve-seat surface (6), formed at a valve-seat member (5), to form a sealing seat. A spray-discharge orifice calotte (37, 41), connected to the valve-seat member (5) of the fuel injector (1), or integrally formed in one piece with it, has at least three spray-discharge orifices (38, 42), not all extended axes (39, 43) of the spray-discharge orifices (38, 42) intersecting.

Abstract: It is an object of the invention to provide a method of working an injection hole of an electromagnetic type fuel injection valve so that when extrusion by using a punch is adopted, the punch does not break, even in the case where a central axis line of the injection hole of the electromagnetic type fuel injection valve is inclined to a line perpendicular to a face of a plate-like material to be punched. A front end, tapered portion of the punch is inclined in a direction opposed to a plate-like material relative to a central axis line of the punch to facilitate the punch along a sliding, inner face of a punch holder. While achieving a reduction in production cost, the divergent-shaped injection hole can accurately be formed in the plate-like material. A side force (Fs) is produced when the front end portion of the punch impinges on the plate-like material.

Abstract: Double sealed valve comprising: a valve seat in a communicating passage formed between an upper passage and a lower passage; a first vertical valve stem and a second vertical valve stem, which is hollow, slidably surrounding that first valve stem; said first stem having a first valve plug; said second stem having a second valve plug and a valve drive mechanism connected to said stems, between the first vertical valve stem (8) and the second valve stem (10) a passage for cleaning fluid is defined, being sealed towards the valve drive mechanism and having an outlet opening towards an annular space between the first and second valve plug being wherein the outlet opening of the passage is formed by a spray disc (23) having jet openings with an outletdirection causing a spiral flow in the annular space for cleaning the annular space (24).

Abstract: A fuel injector that allows spray targeting and distribution of fuel to be configured using non-angled or straight orifice having an axis parallel to a longitudinal axis of a valve subassembly. Metering orifices are located about the longitudinal axis and defining a first virtual circle greater than a second virtual circle defined by a projection of the sealing surface onto the metering disc so that all of the metering orifices are disposed outside the second virtual circle. The projection of the sealing surface converges at a virtual apex disposed within the metering disc. At least one channel extends between a first end and second end. The first end is disposed at a first radius from the longitudinal axis and spaced at a first distance from the metering disc.

Abstract: A fuel injector that allows spray targeting and distribution of fuel to be configured using non-angled or straight orifice having an axis parallel to a longitudinal axis of the subassembly. Metering orifices are located about the longitudinal axis and defining a first virtual circle greater than a second virtual circle defined by a projection of the sealing surface onto the metering disc so that all of the metering orifices are disposed outside the second virtual circle. The projection of the sealing surface converges at a virtual apex disposed within the metering disc. At least one channel extends between a first end and second end. The first end is disposed at a first radius from the longitudinal axis and spaced at a first distance from the metering disc.

Abstract: A nozzle assembly and method is configured to apply coherent jets of coolant in a tangential direction to the grinding wheel in a grinding process, at a desired temperature, pressure and flowrate, to minimize thermal damage in the part being ground. Embodiments of the present invention may be useful when grinding thermally sensitive materials such as gas turbine creep resistant alloys and hardened steels. Flowrate and pressure guidelines are provided to facilitate optimization of the embodiments.

Abstract: A nebulizer assembly, and more particularly, for nebulizing liquids into aerosols, includes an oscillation driver connected with an aerosol excitation device at one end thereof, a liquid delivery device adjacently disposed to the aerosol excitation device for supplying an impingement baffle provided in the aerosol excitation device with micro liquid bodies having tension liquid membranes, so that energy is completely acted upon the micro liquid membranes for excitation into aerosol particles, thereby achieving aimed excitation without causing unnecessary loads.

Abstract: A fuel injector has a fuel inlet, a fuel outlet, and a fuel passageway extending along an axis between the fuel inlet and the fuel outlet. The fuel injector comprises a body, an armature, a spring, and a spring stop. The body has an inlet portion, an outlet portion, and a passage disposed between the inlet portion and the outlet portion. The armature is disposed within the passage and is displaceable along the axis relative to the body. The spring is disposed within the passage and applies a biasing force to the armature. The spring has a first end disposed proximate the armature and a second end opposite from the first end. The spring stop is disposed within the passage and has a first and second portion. The first portion includes at least one projection engaging the passage. The at least one projection extends obliquely with respect to the axis and in a direction general toward the inlet portion.

Abstract: A drip manifold having drip nozzles configured to form controlled droplets is provided for use in wafer cleaning systems. The drip manifold includes a plurality of drip nozzles that are secured to the drip manifold. Each of the plurality of drip nozzles has a passage defined between a first end and a second end. A sapphire orifice is defined within the passage and is located at the first end of the drip nozzle. The sapphire orifice is angled to produce a fluid stream that is reflected within the passage and toward the second end to form one or more uniform drops over a brush.

Abstract: A fuel injector has a chamber between a valve body and a plate in which a plurality of through holes are formed. The chamber has a diameter larger than that of an opening of the valve body. The through holes are opened at an outer chamber area shaded by the valve body are distanced from an outer wall of the chamber more than a diameter of the through hole. Fuel flowing along an inner inclined surface of the valve body turns to the through holes and flows into the through hole from all directions and collides with each other at inlets of the through hole. Therefore, injected fuel has a lot of turbulences and is finely atomized.

Abstract: A fuel injection valve includes a valve seat member having a valve bore, and an injector plate coupled to an outer end face of the valve seat member. A fuel diffusion chamber is defined between the valve seat member and the injector plate. The injector plate is provided with a plurality of fuel injection bores which are parted on a plane including an axis of the valve bore into primary and secondary groups for injecting fuel toward primary and secondary intake ports. When a direction of arrangement of the primary and secondary intake ports is represented by X, and a direction perpendicular to the direction of arrangement is represented by Y, the fuel injection bores of the primary and secondary groups are formed so that they are inclined to a side opposite from the axis of the valve bore only in a direction X toward a downstream side.

Abstract: A fluid product sample is provided in the form of a substantially flat dispenser. A preferred embodiment includes (1) at least one thermoformed shell forming part of a reservoir and defining a deformable actuation wall; (2) an additional element, such as a capsule-forming substrate or film or a thermoformed shell for finishing off the reservoir, with the reservoir formed in this way containing at least a gas; (3) a spray orifice through which the fluid is sprayed; (4) a porous material piece which is capable of retaining a quantity of fluid and which is disposed upstream from the spray orifice; and (5) a support member fixed to the thermoformed shell to hold the porous material piece in place. The spray orifice is formed by the support member.

Abstract: A fuel injector for fuel injection systems of internal combustion engines has a valve needle (3) and, mechanically linked thereto, a valve closing body (4), which cooperates with a valve seat surface (6) disposed in a valve seat body (5) to form a sealing seat, and has a plurality of recesses (34), which are introduced in the valve seat body (5) downstream from the sealing seat. Situated downstream on the valve seat body (5) is a flow-through screen (31) in which, for each recess (34), at least one discharge orifice (7) is introduced, whose cross-section is smaller than that of the particular recess (34) and which is positioned such that its inlet cross-section is situated fully within the outlet cross-section of the particular recess (34).

Abstract: A fuel injector (1) for fuel injection systems of internal combustion engines includes a valve needle (3) and a valve closing body (4) which is mechanically linked thereto and cooperates with a valve seat surface (6) situated in a valve seat body (5) to form a sealing seat, and having a plurality of discharge orifices (7), which are introduced in a spray-orifice disk (31), which is situated downstream from the sealing seat on the fuel injector (2). The spray-orifice disk (31) has a dome-shaped convexity (37) at least in the area of the discharge orifices (7), which is oriented against the direction of flow of the fuel and the discharge orifices (7) are arranged in a spiral on the dome-shaped convexity (37) of the spray-orifice disk (31).

Abstract: A fuel injector, in particular an injector for fuel injection systems in internal combustion engines, includes a valve needle (6) having a valve-closure member (7) which cooperates with a valve-seat surface (8) situated in valve-seat member (5) to form a sealing seat (9) and which has several injection orifices (4, 12) which are situated downstream from the sealing seat (9), and are sealed by sealing seat (9) against a fuel supply. A disk element (10) is arranged downstream from the sealing seat (9), the disk element (10) having at least one valve section (11), which changes its shape when the temperature changes. Valve section (11) is connected to a heating element (13) and is possibly covering an injection orifice (12).

Abstract: A nozzle insert that is capable of being irreversibly attached to a needle valve tube such that the resulting needle valve member can be used in a nested needle valve configuration for a dual mode fuel injector.

Abstract: A fuel injector (1), in particular for direct injection of fuel into the combustion chamber of an internal combustion engine, includes a valve-closure member (4) which forms a sealing seat together with a valve-seat surface (6) which is formed on a valve-seat member (5), and several injection orifices (7), each of which is connected with at least one spiral groove (37a) so that an outer edge (38) of the swirl grooves (37a) coincides in part with a circumferential edge (39) of the injection orifices (7) and the swirl grooves (37a) extend essentially perpendicular to a center line (41) of the injection orifice (7) associated with them.

Abstract: A spout plate used in a spray head of a sprayer includes a spout plate insertably secured at the spout end of the spray head and made from a slightly flexible rubber or plastic material such that multiple posts defining distinct water guide channels are provided annularly on the spout surface thereof. A center of the spout plate is connected to a center of the interior of the spray head. When the spout plate is insertably secured at the spout end of the front end of the spray head of the sprayer, and water flows through the interior of the spray head and flow out of the spout plate for spraying via the water guide channels of the posts provided on the spout plate, different water jets can be sprayed out from the water guide channels of the posts to thereby provide an extensive spraying area and multiple effects.

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 module or dispenser for dispensing at least one liquid filament onto a moving substrate includes a nozzle body having a liquid supply port, a liquid discharge portion or end, and a liquid discharge passage having an orifice in fluid communication with the liquid supply port. The liquid discharge passage extends along an axis and the opening is shaped asymmetrically about the axis to provide a controlled directional movement of the liquid filament in a desired direction. The asymmetric shape may be formed by a notch or a chamfer or a stepped portion intersecting with the liquid discharge passage, or combinations of these features, or in other manners.

Abstract: This invention relates to a the tip structure of a fuel injector as used in a internal combustion engine. Internal combustion engines using Homogeneous Charge Compression Ignition (HCCI) technology require a tip structure that directs fuel spray in a downward direction. This requirement necessitates a tip design that is capable of withstanding mechanical stresses associated with the design.

Abstract: The present invention provides a simple form of nozzle assembly for use in generating sprays from a fluid, which comprises a first member having one or more nozzle outlets, one or more fluid inlets and one or more channels connecting them formed by electrical or chemical etching or other processes which selectively remove material from one face of the said member; and a second member co-operating with the said first member to provide a wall of said outlets, inlets or channels to form the fluid flow paths for the nozzle assembly.