Abstract: A fluid application device stores seam paste in a reservoir tank 18 and feeds the seam paste to a pressure tank 20 through a feed pump 22. Inside of the pressure tank 20 is maintained under a given air pressure by a pneumatic unit 26, and the seam paste is supplied from the pressure tank 20 to an application nozzle 16 through a supply pipe 24. A level sensor 28 detects fluid level of stored seam paste in the pressure tank 20, and a detection signal is input to a controller 30. The controller 30 controls operation of the feed pump 22 based on the detection signal that is transmitted from the level sensor 28 and also controls a supply amount of the seam paste to the pressure tank 20 to maintain the fluid level in the pressure tank 20 at a fixed level.

Abstract: A fuel injector includes a seat, a movable member cooperating with the seat, and an orifice plate. The orifice disc includes a member having first and second generally parallel surfaces, and an orifice extending through the member between first and second generally planar surfaces of the member. The orifice is defined by a wall that couples the first and second surfaces. The wall includes first and second wall portions. The first wall portion is spaced from the first surface and extends substantially perpendicular to the first and second generally planar surfaces and about the longitudinal axis to define a transition perimeter. The second wall portion couples the first wall portion to the first surface to define a inlet perimeter on the first surface.

Abstract: A nozzle hole of a conductive nozzle plate exposes the liquid surface of conductive ink. Ultrasonic generation means vibrates the ink for forming fine surface waves on the liquid surface so that the ink is sprayed from the nozzle hole as an atomized liquid particle group. A back plate provided on the opposite side of the nozzle hole in relation to a printing paper is supplied with a potential different from that for the nozzle plate, so that an electric field is formed therebetween. The sprayed liquid particle group is charged and hence urged by this electric field to adhere to the printing paper.

Abstract: The invention provides exemplary methods and apparatus for dispensing liquids as an atomized spray. In one particularly preferably method, a liquid is dispensed as an atomized spray from a vibratable member having a front surface and a rear surface, with the member having at least one tapered hole between the surfaces for dispensing the liquid. The tapered hole has a larger cross-sectional area at the rear surface than at the front surface. The liquid is delivered from a supply container to the rear surface of the vibratable member in an amount sufficient to cover the hole with liquid. The vibratable member is then vibrated to dispense at least a portion of the liquid through the hole and from the front surface. Additional liquid is delivered from the supply container and to the rear surface in volumes that are substantially equal to the volumes dispensed.

Abstract: The invention is directed to an immersion nozzle for a metallurgic vessel arranged upstream of a casting device, in particular a continuous casting mold or a twin roller, in which a slit-shaped pour-out opening (2) having a length that is several times greater than its width is provided in the base area. The cross section widens in the direction of its mouth from a round inlet cross section to a mouth cross section whose one semiaxis is smaller than, and whose other semiaxis extending perpendicular thereto is greater than, the semiaxis of the round inlet cross section and whose base shape corresponds to that of the body of revolution of an ellipse or of an oval mouth cross section around the greater semiaxis, and the slit-shaped outlet opening extends in direction of the greater semiaxis.

Abstract: A method for performing an aperture plate comprises providing a mandrel that is constructed of a mandrel body having a conductive surface and a plurality of nonconductive islands disposed on the conductive surface. The mandrel is placed within a solution containing a material that is to be deposited onto the mandrel. Electrical current is applied to the mandrel to form an aperture plate on the mandrel, with the apertures having an exit angle that is in the range from about 30° to about 60°.

Abstract: A chemical sprayer system includes a three-way valve that includes an inlet port coupled to a fluid source, a first outlet port in fluid communication with a first elongated fluid passage, a second outlet port in fluid communication with a second elongated fluid passage, and a control. The control allows a user to place the three-way valve into one of a first ON state in which the first outlet port is in fluid communication with the inlet port, a second ON state in which the second outlet port is in fluid communication with the inlet port, and an OFF state in which substantially no fluid is allowed to exit the inlet port. The first elongated fluid passage terminates in a nozzle adapted for spraying foam. The second elongated fluid passage terminates in a nozzle adapted for spraying liquids.

Abstract: A showerhead as described herein includes a translucent hollow body having a fluid chamber, and a fluid distribution element configured to release fluid contained in the fluid chamber. The fluid distribution element includes a plurality of raised concentric rings having peaks that serve as the fluid release points. The fluid distribution element contains a number of fluid ducts that are specifically shaped to transport the fluid from the fluid chamber toward the fluid release points. The translucent nature of the showerhead creates an optical lens effect that illuminates the showerhead and the water droplets formed by the showerhead. The illumination of the water droplets creates a pleasant showering experience for the user.

Abstract: Disclosed herein is a hose for introduction and distribution of inflator gas which is characterized in that the hose is placed in an air bag apparatus for side collision and distributes the inflator gas upon operation of the air bag, that outside surface and/or inside surface of the hose are/is coated with rubber or synthetic resin and that the hose has a distribution hole.

Abstract: The present invention relates to a portable device for spraying a liquid at low pressure, said device comprising a spray arm (220), and characterized in that the spray arm comprises at least one flat fan spray nozzle (230). Preferably, the liquid is a cleaning composition for treatment of carpets and other large fabric coverings, more preferably, a composition comprising surfactants. Also preferably, the portable device is electrically driven, and/or the spray arm is extendible and/or detachable from the device's main unit.

Abstract: A nozzle and cap structure is provided for a trigger-type pump sprayer allowing the user to conveniently reach top surfaces of objects above the user, as well as lower surfaces of objects below waist level, as well as any application for which the ability to direct the flow of liquid from such a sprayer in an upward or downward direction. A typical application is agricultural sprays such as insecticides, anti-fungal and anti-desiccants where both upper and lower surfaces of leaves should be coated. There also exists a vast array of applications for this device configuration where other hard-to-reach (or hard to treat) regions are involved, including both hand-held operations and remotely mechanized applications. The outlet or orifice of the nozzle cap is angularly configured relative to nozzle feed so that output is at an acute angle relative to the nozzle axis. A number of angular outlets may be provided in an adjustable cap.

Abstract: In an injection hole plate of a fuel injection device, injection holes are arranged about a circle. Fuel injected from the injection holes forms a flat sector-shaped spray. The intervals between adjacent injection holes are approximately equal to each other, while the diameters of the injection holes are equal to each other. An injection hole is positioned on an imaginary plane, which contains the central axis of the sector-shaped spray along the injection direction and is orthogonal or approximately orthogonal to the sector-shaped spray. The injection holes, away from the imaginary plane in this order, are symmetric with respect to the line of intersection of the injection hole plate and the imaginary plane. The farther each injection hole is away from the imaginary plane, the larger an angle of gradient of the injection hole with respect to the imaginary plane becomes.

Abstract: In a fuel injection valve, a substantially arc-shaped chamfered portion in a substantially arc shape of cross section is formed on an edge of an inner wall portion of each opening end of a corresponding nozzle hole of a nozzle plate to further expand a whole diameter of an injection stream of fuel passed through a plurality of obliquely penetrated nozzle holes. In a manufacturing method for the nozzle plate, circulating a fluid mixed with an abrasive through each nozzle hole is carried out to polish opening ends of the respective nozzle holes which are faced against the external of the fuel injection valve in a form of substantially arc shape of cross section with the abrasive. Furthermore, grinding the respective major surfaces of a punched plate material which becomes the nozzle plate together with vicinities to the respective opening ends of the nozzle holes is carried out.

Abstract: A fuel injection valve for internal combustion engines, has a valve body with a pressure chamber that can be filled with fuel under pressure. Embodied in the valve body is at least one injection conduit, which originates at the wall of the pressure chamber, where it forms an injection opening; the injection conduit connects the pressure chamber with the combustion chamber of the engine. By means of a valve needle, the injection opening can be closed or opened. The injection opening of the injection conduit has a cross section in the form of an oblong slot, so that the injection of the fuel into the combustion chamber is optimized.

Abstract: Embodiments of the present invention are directed to a dispensing nozzle for dispensing a sauce containing particulates which is configured to reduce clogging of the nozzle by the particulates. In one embodiment, a dispensing nozzle comprises a nozzle body having a nozzle cavity with a nozzle inlet and a nozzle outlet. The nozzle inlet has a bore-shape cross section. The nozzle outlet is longitudinal in shape with a length substantially larger than a width. The nozzle cavity extends from the nozzle inlet to the nozzle outlet in a flow direction and has a cross-sectional area which is substantially constant extending from the nozzle inlet along the flow direction to the nozzle outlet.

Abstract: Cleaning device having an endless filtering belt (31) guided through a waste water container (33) for filtering of waste water. The filtering belt is guided over a series turn rollers (32, 34, 36, 37) so that the belt in a certain region runs substantially horizontally with the filtrate faced downwards. Within this region there is a rod shaped blowoff device (43) for blowing air towards the filtering belt. Below the blowoff device (44) there is arranged a screw conveyor (42) for removing residues dislodged from the filter mesh. The filtering belt (31) is located adjacent to a transmission belt (51) and is pressed against the same by a clamping rail (58) within the rising section (38) of the filtering belt. The device is provided with a control device (4) adapting the filtering belt movement with the waste water supply, thus keeping the waste water surface below a certain level to provide a high degree of dewatering within the upwards rising section of the filtering belt (31).

Abstract: This invention is a variable orifice for controlling the mass flow rate of nitrous oxide used as an engine oxidizer, this orifice having an effective size, or area, which changes with changes in the nitrous oxide pressure applied to it. Several design parameters can be changed to provide the desired effective orifice area as a function of pressure. This variable orifice can be designed to maintain an essentially constant nitrous oxide delivery rate over a wide range of nitrous oxide pressures.

Abstract: A fluid injection device for ejecting fluid droplets in response to electrical signals comprises an oscillating surface that has one or more tapered apertures, each aperture having a first and second opening. The first opening of each aperture is larger than the second opening. The first opening is in surface tension contact with the fluid to be ejected. The fluid interaction with the tapered aperture wall creates cycles of fluid compression and decompression inside the aperture, causing fluid to be drawn from the large opening and ejected out the small opening of the aperture. The device includes a fluid supply nozzle that transports fluid to the oscillating surface at the large opening of the apertures. A discharge valve controls the fluid supply. An electronic wave generator induces oscillation in the tapered aperture containing surface. The device is used to great advantage for fluid atomization and fluid spray.

Abstract: A fuel nozzle assembly for delivering fuel to a combustor of a gas turbine engine. The assembly includes a fuel nozzle including a body having a fuel inlet, an air inlet, an outlet for discharging fuel to the combustor, and a mounting flange for mounting the nozzle in the engine. A portion of the body corresponding to the fuel inlet and/or the air inlet includes a recess for receiving a supply fitting having an annular sealing surface and a rotatable nut. The recess includes an annular seat sized and shaped for sealingly engaging the sealing surface of the supply tube fitting and female threads positioned adjacent the seat for threadably receiving the rotatable nut of the supply.

Abstract: The present invention relates to a very high solid content contact adhesive (VHS) which has a higher solid content than previously thought attainable in the prior art without increasing the viscosity beyond operable levels. Additionally, the present invention provides a VHS application device which allows substantially more uniform application of the VHS than was previously attainable.

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 micropipette usable for producing a biochip inclusive of DNA micro arrays capable of arraying and fixing droplets of a micro-volume on a substrate in a high density includes a main body, at least one cavity for storing a sample, at least one ejection port, a piezoelectic/electrostrictive element mounted on the outer surface of the main body, and at least one sample inlet port for supplying sample from the outside. A sample that is temporarily stored in the cavity is discharged from at least one ejection port, by virtue of the movement of the piezoelectric/electrostrictive element, to outside of the micropipette via a through hole in a nozzle portion formed in the pipette main body. The nozzle portion through hole has three or more projection radially protruding from the center of the through hole and having a specific shape.

Abstract: A spray nozzle for directing a wide lateral spray curtain with substantially uniform liquid distribution throughout the length of the spray curtain is provided. The nozzle includes a nozzle body defining an elongated internal flow passage. The nozzle body includes an inlet end for connection to a pressurized liquid supply, a downstream end wall and a side wall. A discharge orifice is provided in the side wall of the nozzle body between the inlet end and the downstream end wall. The discharge orifice communicates with the internal flow passage of the nozzle body. The discharge orifice has a generally inverted teardrop configuration comprising a relatively larger area upper portion and a relatively smaller area lower portion arranged below the upper portion.

Abstract: Rinsing equipment, especially for mixing containers, including a socket housing with an interior pressure rinsing valve and an upright valve tube, wherein a spraying plate is seated on this valve tube. The spraying plate may have a trough-shaped depression or run out into star-shaped guiding cross members. The spraying equipment may include several upwardly or horizontally directed nozzles. The spraying plate may also include a water distribution chamber.

Abstract: Disclosed herein is a hose for introduction and distribution of inflator gas which is characterized in that the hose is placed in an air bag apparatus for side collision and distributes the inflator gas upon operation of the air bag, that outside surface and/or inside surface of the hose are/is coated with rubber or synthetic resin and that the hose has a distribution hole.

Abstract: A personal product comprising a liquid cosmetic composition and a hand-held electrostatic spraying device suitable for applying the composition to the human body, said hand-held electrostatic spraying device comprising a slit nozzle having a maximum width of from 0.05 mm to 0.5 mm, means for containing the liquid cosmetic composition, means for supplying the liquid cosmetic composition to the nozzle, an electricity source, high voltage circuitry arranged so that, in use, liquid cosmetic composition sprayed in atomised form from the nozzle is electrically charged, and control means for selectively applying a high voltage.

Abstract: A nozzle ejects molten metal in an ejecting direction. The nozzle has a solder-philic surface in a first region and a solder-repellent surface in a second region. The second region is located forward of the first region in the ejecting direction. Before molten metal is ejected, the peripheral edge of the liquid surface of the molten metal is held at a position located further forward in the ejecting direction than the boundary between the solder-philic surface and the solder-repellent surface. The peripheral edge of the liquid surface is thus held before being ejected so that solder drops can be ejected steadily with a uniform diameter, constant direction, and constant speed.

Abstract: A high-pressure liquid spray nozzle having an elongate nozzle body having a longitudinally extending liquid flow passage, which in the illustrated embodiment, is defined in part by a plastic liquid throttling and stabilizing insert. The insert has a liquid flow passage which includes an upstream entry section, a smaller diameter downstream approach section, and an inwardly converging throat section between the upstream and downstream sections. The upstream passageway section has a scalloped cross-sectional configuration which define a plurality of longitudinally extending flutes effective for stabilizing and minimizing turbulence in the high pressure liquid flow stream directed through the nozzle such that a more concentrated, solid liquid flow stream is discharged from the nozzle with increased velocity and surface impact force for enhanced cleaning.

Abstract: The present invention provides a spray gun with associated nozzle attachments for high deposition efficiency for thermal spray of high quality, dense, low oxide content coatings. The spray guns are used to produce coatings using a thermal spray process, a high velocity oxy-fuel process, a high velocity air-fuel process, cold spraying, and plasma spraying in which the process is characterized by having an over-expanded flow with a Mach number from about 1.0 to about 4.0 which have passageway section which diverges to the gun outlet. In one embodiment the nozzle attachment is another diverging section with a greater angle of divergence than the diverging nozzle section. In another embodiment the nozzle attachment includes the aforementioned diverging nozzle attachment section followed by a converging nozzle section having an outlet section through which the thermal spray is emitted.

Abstract: It is an object of the present invention is to provide a fuel injection valve and its apparatus, and an internal combustion engine, a method for manufacturing the fuel injection valve and its nozzle body, and a method for manufacturing the same capable of securing highly accurate and stabilized fuel spraying characteristics. The fuel injection valve comprises a nozzle body, an injection hole provided in the nozzle body, a valve body for opening and closing a fuel passage from the injection hole relative to the nozzle body, and a drive means for driving the valve body, wherein formed is a protrusion having an opening in communication with the downstream side of the injection hole of the nozzle body and which part of the side and an extreme end are opened. The invention resides in a nozzle body and manufacturing it by plastic processing, and an internal combustion engine using the same.

Abstract: An ultra small quantity fluid dispenser having a needle like dispense tip terminating in an orifice is provided with an interior lumen diameter increasing counterbore at the orifice to reduce wicking of fluid being dispensed. A wicking wire may be positioned in the lumen extending from the orifice, the wire having a smaller diameter than the lumen resists wetting of the exterior of the nozzle tip by fluid being dispensed by the orifice.

Abstract: The invention relates among others to a method for producing outlet openings (32) in a valve, in particular a fuel injection valve. The injection valve has a fuel inlet (2), an excitable actuating device (1, 2, 19) by which a valve closing member (28) is movable, a fixed valve seat (27) embodied on a valve seat element (26), with which seat the valve closing member (28) cooperates to open and close the valve, and at least one outlet opening (32), as a fuel outlet, provided downstream of the valve seat (27). The at least one outlet opening 32 is produced in such a way that in a first method step, a through hole is created in the valve seat element (26), and in a second method step, from the ejection end of the through hole, an outlet region is created that is altered in shape and/or size and/or contour compared to the through hole.

Abstract: A fabric paint delivery system includes a container storing fabric paint under nitrogen pressure, the container having an opening for discharge of the paint therethrough; a valve operative for receiving the paint from the opening; a trigger assembly having a nozzle operative for discharging the paint received from the container through the valve, the trigger assembly having a trigger for opening and closing the valve to selectively discharge the paint from an opening of the nozzle as a mist in a spray cone; wherein the trigger is operable by pulling the trigger towards the container using one's index finger for opening the valve and for closing the valve by releasing the trigger.

Abstract: An external mix air atomizing spray nozzle assembly having a nozzle body formed with liquid and air passages, a spray tip at a downstream end of the nozzle body having a nose portion that defines a liquid discharge orifice, and an air cap mounted in surrounding relation to the spray tip nose portion. The air cap defines an annular pressurized air orifice about the spray tip nose portion and a plurality of angled air passages disposed radially outwardly thereof. Pursuant to the invention, the spray tip nose portion has a frustoconical end tapering inwardly in a downstream direction which enhances air entrainment and minimizes liquid turbulence in a zone immediately in front of the air cap and around the spray tip nose portion to prevent undesirable build up of spray material on the exposed end surfaces of the spray tip nose portion and air cap.

Abstract: An atomizer spray plate is provided for discharging fuel oil. The spray plate has a cylindrical rear portion and a conical front portion. A frusto-conical whirl chamber extends from the rear portion to the front portion with a decreasing radius. The rear portion includes a number of whirl slots extending radially inward from an outboard region of the rear portion to the whirl chamber to provide the fuel oil with rotational energy. A discharge slot is provided in the front portion of the spray plate for receiving fuel oil from the whirl chamber with rotational energy. The discharge slot includes a cylindrical through-hole with a diameter d, and at least three lobes (slots) equally spaced about the through-hole and oriented in a radial direction, each lobe having a semi-circular cross-section with radius r and extending approximately perpendicular to a central longitudinal axis of the through-hole.

Abstract: A nozzle comprising a nozzle body having an inlet face, an outlet face, and an inlet flow axis passing through the inlet and outlet faces, and two or more slots extending through the nozzle body from the inlet face to the outlet face. Each slot has a slot axis and the slot axis of at least one of the slots is not parallel to the inlet flow axis of the nozzle body. In another embodiment, the nozzle comprises a nozzle body having an inlet face, an outlet face, and an inlet flow axis passing through the inlet and outlet faces, and two or more slots extending through the nozzle body from the inlet face to the outlet face, each slot having a slot axis, wherein none of the slots intersect other slots and all of the slots are in fluid flow communication with a common fluid supply conduit. The nozzles may be used to inject secondary fuel in a burner system having a central burner combusting a primary fuel surrounded by secondary fuel injection nozzles.

Abstract: A material dispensing apparatus, for use with a circular workpiece, includes a nozzle having a wedge-shaped aperture. The nozzle is attached to a dispenser body, and a solenoid valve is operable to start and stop material flow through the apparatus. A rotatable turntable is preferably provided below the nozzle for rotatably supporting a workpiece. In a method of adding a flowable material to a workpiece, having a circular outline, the workpiece is supported on a rotatable support member, and a dispenser nozzle, having a wedge-shaped outlet aperture, is positioned over a selected portion of the annular workpiece, with a wide end of the aperture adjacent an outer side wall of the workpiece. Then, a valve is opened to allow material to flow through the nozzle.

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 co-axial fluid communication with the flow-directing bore and the spray outlet bore of the housing immediately downstream of the flow-directing bore.

Abstract: A high pressure fluid jet nozzle has a generally cylindrical body with inlet and outlet ends, a through passage with an entry portion extending to at least one laser cut orifice at the outlet end of the body. The body has a smooth outlet end through which the laser is configured entirely by laser cutting. The entry portion of the through passage preferably has a hemispherical end penetrated by the orifice. Manufacturing steps including laser cutting of the orifice or orifices and optional electrical discharge machining of the hemispherical end of the entry portion.

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 spray nozzle for directing a wide lateral spray curtain with substantially uniform liquid distribution throughout the length of the spray curtain is provided. The nozzle includes a nozzle body defining an elongated internal flow passage. The nozzle body includes an inlet end for connection to a pressurized liquid supply, a downstream end wall and a side wall. A discharge orifice is provided in the side wall of the nozzle body between the inlet end and the downstream end wall. The discharge orifice communicates with the internal flow passage of the nozzle body. The discharge orifice has a generally inverted teardrop configuration comprising a relatively larger area upper portion and a relatively smaller area lower portion arranged below the upper portion.

Abstract: A spray nozzle for producing an asymmetrically distributed fluid discharge pattern such as for use in a container coating application is provided. The spray nozzles includes a body portion having an internal fluid passageway which terminates in a substantially hemispherical dome shaped end wall. A discharge orifice is provided in the end wall which is produced by superimposing on each other an approximately round opening and an elongated opening having opposed rounded ends. The round opening and the elongated opening defining respective edges of the discharge orifice which extend at different angles relative to a longitudinal axis of the fluid passageway. The resulting orifice produces a fluid discharge pattern wherein the amount of fluid discharged tapers in a continuous, non-linear manner from the location of maximum discharge to points of minimum flow at either end of the discharge pattern.

Abstract: The invention relates to a nozzle for the projection on to an object of a fluid such as a gaseous flow containing solid particles, comprising a body 1 through which there passes a longitudinal tubular passage, one end of which constitutes an inlet 2 that has to be connected to the intake of a fluid supply conduit and the other end of which constitutes an outlet 3 for the fluid that has passed through the nozzle.

Abstract: An air assisted spray nozzle assembly, having particular utility in spraying liquid coolants in continuous metal casting systems, which is adapted for operation with substantially reduced air consumption. The nozzle body includes a pre-atomizing unit that has a relatively small sized pressurized air inlet, a liquid impingement post with a uniquely configured impingement face for enhancing liquid breakdown and intermixing with a pressurized air stream from the air inlet, and an expansion chamber configured to reduce eddy currents that detract from efficient pre-atomization of the liquid. The spray nozzle further includes an elongated spray tip supporting barrel adapted for releasable mounting in the pre-atomizing head in predetermined rotational orientation relative to its longitudinal axis for properly receiving and supporting a removable spray tip.

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 provides a fire extinguisher horn having an inner tube, through which gas may pass from the nozzle of the fire extinguisher to the atmosphere, and an outer tube surrounding the inner tube to form a chamber around the inner tube along at least part of its length. The chamber provides an insulating space between the inner and outer tubes so that, although the inner tube may become very cold in use as the extinguisher gas expands through it, the outer surface of the outer tube remains closer to the ambient temperature. Thus, it is possible to hold the extinguisher horn safely. Preferably, the horn further comprises apertures that allow atmospheric air to flow through the chamber when the extinguisher is in use, maintaining the temperature of the chamber and, hence, of the outer tube close to the ambient air temperature.

Abstract: Nozzle attached to the boom of agricultural sprayers each include an improved air eduction system and discharge slot eliminating the need to change the angle of the boom and nozzle to ensure a comprehensive spray pattern irrespective of boom height and improved penetration of the material sprayed into and under the crop canopy.

Abstract: An improved nozzle and iodine injector system for use in a COIL are disclosed. The improved nozzle is a two-dimensional, minimum length nozzle with a curved sonic line. The iodine injection system utilizes a series of slender struts for iodine injection into the oxygen stream through a series of small orifices that are located along the base of each strut. The struts are located within the nozzle such that the need for a diluent gas for the iodine is reduced. The use of the nozzle and iodine injection system, particularly when combined with the SOG disclosed in U.S. patent application Ser. No. 10/453,148, have the potential for yielding a highly efficient, high power, optically superior COIL device that is compact, scalable, can operate in space, and has good pressure recovery potential.

Abstract: A method for producing a fluidic device (2) for exciting an oscillating jet (12) of predetermined oscillation and mixing characteristics. The fluidic device (2) includes a chamber (4) having a fluid outlet (6) longitudinally displaced from a fluid inlet (8). The fluid inlet (8) is disposed such that in use the fluid (10) entering the chamber (6) through the fluid inlet (8) separates from the inner surface of chamber (4) to excite an oscillating jet (12). The method includes the step of configuring the geometry of the shape and/or dimensions of the cross section of the fluid inlet (8) to determine the mode of oscillation and mixing characteristics of the oscillating jet (12). A fluidic device (2′) for exciting an oscillating jet (12′) whose characteristics can be determined to meet operational requirements.

Abstract: The invention relates to a fuel injector having an orifice region in which an orifice passage extends along an injector axis and ends at an orifice edge. The fuel injector is characterized in that the orifice edge is rotationally asymmetrical about the injector axis.