Abstract: A single piece atomizing nozzle has a body having one end formed with an inlet and the other end formed with a ring, which has an outlet. A passage is formed in an axial direction of the body, and has two ends respectively connected to the inlet and the outlet. A rotor is rotatably disposed in the passage, and a leakage-stopping assembly is disposed in the passage and between the rotor and the inlet. Also, a stopping mechanism is formed or disposed at the inlet to prevent the leakage-stopping assembly from escaping from the inlet. Alternatively, a water output block is disposed on the ring to prevent the leakage-stopping assembly from escaping from the ring. Thus, the effects of the simple structure, the small size and the lighted weight can be obtained.

Abstract: A flow inlet element (22) for a chemical vapor deposition reactor (10) is formed from a plurality of elongated tubular elements (64, 65) extending side-by-side with one another in a plane transverse to the upstream to downstream direction of the reactor. The tubular elements have inlets for ejecting gas in the downstream direction. A wafer carrier (14) rotates around an upstream to downstream axis. The gas distribution elements may provide a pattern of gas distribution which is asymmetrical with respect to a medial plane (108) extending through the axis.

Abstract: In a nozzle and a nozzle assembly, for use in a pressure vessel, stress analysis is used to determine areas of stress concentration. The nozzle is configured to reduce these stress concentrations.

Abstract: In an ejector, a refrigerant passage of a nozzle for decompressing and expanding refrigerant includes a throat portion in which a refrigerant passage sectional area is most reduced, a first taper portion arranged downstream of the throat portion to gradually enlarge the refrigerant passage sectional area, a second taper portion arranged downstream of the first taper portion to gradually enlarge the refrigerant passage sectional area, and an end taper portion arranged in a range from an outlet side of the second taper portion to a refrigerant jet port to gradually enlarge the refrigerant passage sectional area. Furthermore, a second expanding angle at the outlet side of the second taper portion is larger than the first expanding angle at the outlet side of the first taper portion, and an end expanding angle at the outlet side of the end taper portion is smaller than the second expanding angle.

Abstract: A reducing agent injection nozzle includes a nozzle body, the lower end portion of the nozzle body is provided with flat opening surfaces which are inclined so as to face different directions, the opening surfaces of the lower end portion of the nozzle body are each provided with a pair of injection apertures which are opened to the opening surfaces, and the pair of injection apertures are formed so that aqueous urea solutions respectively injected from the injection apertures collide with each other.

Abstract: A nozzle removes by suction dust and chips from a drilling machine in an industrial plant. The nozzle has a first tubular portion for connection to a suction tube communicating with an opposite second tubular portion with an intake opening. An outer flange extends transversely from an intermediate position between the first and second tubular portions. The intake opening is directed in a lateral direction, parallel to the transverse direction of the flange. A magnetic element is incorporated in the flange. The nozzle can be applied to a drilling template having cylindrical through-openings in which respective bushings made of ferromagnetic material are fixed. When the second tubular portion is inserted through a cylindrical bushing, the magnetic element acts on the bushing, opposing axial and rotational movements of the nozzle.

Abstract: A nozzle system that includes an improved air nozzle is provided. In one embodiment, the nozzle has an inlet and an outlet. An air source is connected with the nozzle through a conduit and generates an air flow using a high flow centrifugal blower. The nozzle is connected with and part of an air-driven orientation device.

Abstract: An outlet head (22) for a spray device (10), the outlet head (22) comprising an inlet section (31) having an opening (30) adapted to receive an output section (20) of a spray material container (16), said opening (30) forming a first end of a fluid channel for spray material from the spray material container (16), the outlet head (22) also comprising an outlet portion (14) adapted to eject spray material and forming a second end of the fluid channel for spray material, wherein the inlet section (31) has a first, major, lateral axis and a second, minor, lateral axis, said first and second axes being substantially at right angles to one another, wherein the size of the inlet section along the first, major, axis is greater than the size of the inlet section along the second, minor, axis.

Abstract: A method of manufacturing a liquid ejection head, which includes: preparing a liquid ejection head which includes: a recording element board provided with an ejection port through which liquid is ejected and an energy generator; an electrical wiring member provided with an opening from which the recording element board is exposed; and plural electrical connecting portions for electrically connecting the recording element board and the electrical wiring member relatively moving a discharge member, which is for dropping a sealing agent, toward one end of an arrangement of the electrical connecting portions while dropping the sealing agent onto the electrical wiring member and inside the opening; and relatively moving the discharge member from the one end of the electrical connecting portions to the other end while dropping the sealing agent to seal the electrical connecting portion.

Abstract: The disclosure relates to a painting system component, in particular a rotating bell (1) for a rotating atomiser, including a main body (1) and a surface coat (8) at least on a part of the surface of the main body (1). The surface coat (8) reduces the tendency of the painting system component to become dirty and/or improves the ease of cleaning of the painting system component.

Abstract: A jetting tool has a nozzle with a coefficient of discharge greater than 1.0. The jetting tool has a length and a diameter of an expansion section of the nozzle configured such that a fluid stream diameter of a fluid stream discharged from the nozzle is equal to the diameter of the expansion section at an outer end of the nozzle.

Abstract: A fracturing jet nozzle assembly has nested telescoping sections that each have nozzles in them. The outermost stage makes for a large perforation as it and the adjacent stages begin extension. As the stage adjacent the outermost stage continues to extend into the perforation and reaches maximum extension the nozzles in the outermost stage are cut off from fracturing fluid flow and that flow is in turn redirected to the remaining stages that have not yet fully extended. The innermost stage preferably does not get cut off from jet fluid flow even at its full extension.

Abstract: A photosensitive resin composition includes (a) a compound polymerizable in the presence of an acid, and (b) a photoacid generating agent including an onium salt having a cationic part structure represented by formula (b1) below and an anionic part structure represented by formula (b2) below, wherein the component (b) absorbs 50% or more of the amount of 365 nm wavelength light absorbed by the photosensitive resin composition,

Abstract: The present invention concerns a nozzle with a nozzle body on the back of which a blind hole or seat hole is realized, whereby at least one spray hole leads outward from the blind hole or seat hole, in such a way that the spray hole displays a non-round cross section in the area of the spray hole aperture.

Abstract: Nozzles (22) for reducing noise generated by the release of gas from a hazard suppression system (10) are provided. The nozzles (22) comprise a plurality of partitions (42, 44, 46, 48) that define a serpentine gas flow path through the nozzle. The flow path causes the gas to undergo a plurality of expansions and directional changes thereby reducing the velocity of the gas and dampening the generation of sound waves as the gas exits the nozzle (22) through the nozzle outlet (40).

Abstract: The present invention provides an injection nozzle for mixing an initiator with a process fluid. Then injection nozzle comprises a body comprising an inlet port, and outlet port, and an injector inlet; a process fluid flow passage; an initiator flow fluid passage; and a stylus. The process fluid flow passage comprises a constricting portion and an expanding portion to help improve transport and mixing. The injection nozzle is useful for injecting a fluid into another fluid at elevated temperatures and pressures, and for maximizing mixing of the fluids.

Abstract: A method of designing a fuel nozzle of a gas turbine engine to reduce fretting thereof during use, including establishing an initial nozzle design, determining a first natural frequency of that design and a running frequency range of the gas turbine engine, and increasing a first transverse dimension of the stem member of the nozzle across a length of a portion thereof adjacent the inlet end until the first natural frequency of the nozzle is outside the running range, while a second transverse dimension of the portion remains at least substantially unchanged across the length thereof.

Abstract: A reverse-flow nozzle generates a cavitating and/or pulsed jet of pressurized liquid. The nozzle includes a body having an inlet for receiving a stream of liquid and a main channel through the body extending from the inlet to an outlet. A flow-reversing channel in the nozzle diverts a portion of the liquid from the main channel to a point downstream of a mixing chamber. The channel returns the diverted liquid back into the mixing chamber as a reverse-flow jet relative to a main stream of liquid flowing toward the outlet. This reverse-flow jet interacts with the main stream to generate the cavitating jet that discharges from the outlet. By angling the reverse-flow jet relative to the main stream, a naturally pulsed jet may be generated.

Abstract: The invention relates to a test method for nozzles composed of ceramic or ceramic-like materials, in which the following method steps are carried out: transfer of ultrasonic vibration to the nozzle by means of a sonotrode placed against the nozzle and thermographic evaluation of the heat evolved in a wall of the nozzle.

Abstract: An example lubricating transfer tube assembly includes a transfer tube having a bore extending from a fluid inlet portion to a fluid outlet portion. The transfer tube is configured to communicate a fluid through the bore between the fluid inlet portion and the fluid outlet portion within a gearbox. The transfer tube defines a spray aperture extending from the bore to an outer surface of the transfer tube. The spray aperture is configured to communicate at least some of the fluid from the bore to an area of the gearbox.

Abstract: Polycrystalline diamond includes cubic diamond and hexagonal diamond, and a ratio of X-ray diffraction peak intensity of a (100) plane of the hexagonal diamond to X-ray diffraction peak intensity for a (111) plane of cubic diamond is not lower than 0.01%. In addition, a present method of manufacturing polycrystalline diamond includes the steps of preparing a non-diamond carbon material having a degree of graphitization not higher than 0.58 and directly converting the non-diamond carbon material to cubic diamond and hexagonal diamond and sintering the non-diamond carbon material, without adding any of a sintering agent and a binder, under pressure and temperature conditions at which diamond is thermodynamically stable.

Abstract: A sprinkler head comprising an elongated main body (2), a deflecting member (4) coupled thereto for deflecting the water flow and sprinkling it outwards, and a stabilizing mass (3). The main body (2) has a fixing portion (18), with a plurality of snap-fit fastening members (19, 19?, 19?). The stabilizing mass (3) has at least one engaging member (20) which is designed to interact with the fastening members (19, 19?, 19?) for unremovably fixing the stabilizing mass (3) to the periphery of the fixing portion (18). The fastening members (19, 19?, 19?) and the engaging member (20) are mutually configured to allow the stabilizing mass (3) to be axially snap-fitted onto said fixing portion (18) and prevent it from being later axially disengaged therefrom.

Abstract: A cold spray nozzle assembly includes a venturi having converging and diverging portions interconnected at a throat. An air supply conduit is in communication with the venturi for supplying a carrier gas to the converging portion. A powder feed tube is in communication with the venturi for supplying a powder material. An adjustment member is arranged within the venturi and is axially moveable relative thereto between multiple positions. The multiple positions respectively provide multiple different areas or throat clearances including a desired area between the adjustment member and the venturi or throat clearance. As a result, the adjustment member can be axially positioned to achieve desired gas pressures, deposition rates, and accommodate machining tolerances and component wear based upon the selected area. A retention member maintains the adjustment member in the desired position during operation of the cold spray nozzle assembly.

Abstract: A water spray nozzle (3) for cooling tower is provided. Wherein, the nozzle (3) or the upper connection section of the nozzle (3) has an upward extension section in a water distribution groove (1). Several layers of water inlet holes or slots (4) are opened around the extension section at different heights, or several tapered water inlets (5) with downward taper tips are distributed around the extension section. The nozzle (3) far from a water distribution port can still get the uniformly distributed water even when the water quantity of the cooling tower is low, the efficiency of the cooling tower thereby will not be reduced.

Abstract: A nozzle for producing a single-file stream of droplets of a fluid, methods using the nozzle, and an injector, comprising the nozzle of the invention, for providing the single-file stream of droplets of a fluid to a high-vacuum system are described. The nozzle comprises two concentric tubes wherein the outer tube comprises a smoothly converging-diverging exit channel and the outlet end of the first tube is positioned within the converging section of the exit channel.

Abstract: Embodiments of the present invention generally provide a showerhead assembly made of multiple plates fastened together. The showerhead assembly includes a gas manifold defined by a top and middle plate and a diverter plate defined by the middle plate and a bottom, heat exchange plate. A first processing gas enters the gas manifold and is diverted by the diverter plate through the bottom plate. A second processing gas enters the gas manifold and is diverted by the diverter plate through the bottom plate such that the second and first processing gases do not mix prior to exiting the showerhead. In one embodiment, the first processing gas can be distributed through central and outer regions of the showerhead at different flow rates and/or pressures. In addition, the second processing gas can be distributed through the central and outer regions of the showerhead at different flow rates and/or pressures.

Abstract: A waterjet assembly for an entrainment waterjet cutting head device comprises a passaged component adapted to be connected to a source of pressurised water and a waterjet nozzle for converting water pressure energy to kinetic energy to form a high velocity waterjet. The waterjet nozzle comprises superhard material and has a contracting bore. The passaged component and the waterjet nozzle are arranged such that pressurised water from the source flows through the passaged component to and through the contracting bore in the waterjet nozzle to generate the high speed waterjet. In use of the waterjet assembly, the outlet face of the passaged component is sealingly forced against the upstream face of the waterjet nozzle.

Abstract: Fluid ejection nozzles having a tapered section leading to a straight walled bore are described. Both the tapered section of the nozzle and the straight walled bore are formed from a single side of semiconductor layer so that the tapered section and the bore are aligned with one another, even when an array of nozzles are formed across a die and multiple dies are formed on a semiconductor substrate.

Abstract: A rotor for a radial flow turbine has an impulse chamber (51) having an inlet defined in a circumferential surface of the rotor and a reaction chamber (62) having an outlet defined in the circumferential surface of the rotor. The impulse chamber is in fluid communication with the reaction chamber, and the reaction chamber outlet is axially displaced from the impulse chamber inlet.

Abstract: An applicator comprises a housing having a liquid input, a pump, a motor, and a power source; a trigger for providing selective control over the pump; a wand hingedly connected to the housing; and a nozzle coupled to the wand for discharging liquid from the applicator. The nozzle and the liquid input are in fluid communication via the pump and various conduits of the applicator.

Abstract: A diffuser combined with a beer dispensing nozzle to diffuse the beer as it is being dispensed from the nozzle. In use, this device is beneficial when making multi-layered drinks such as Black and Tans to help prevent the top layer of beer from mixing with the lower layer of beer as the top layer is being poured from the nozzle into the glass.

Abstract: A system for cleaning internal optical components of a fiber optic connector includes a source of cleaning medium such as compressed air connected to a cleaning tip. The cleaning tip has a body and a tongue that is configured to be inserted into the end of the fiber optic connector. Nozzles are formed on the tongue. The tongue may have features to open shutters and/or other protective features in the connector that normally protect the internal optical components. When the tongue is inserted into the end of the connector, the nozzles are positioned adjacent optical components to be cleaned and compressed air is delivered through the nozzles to clean the components. Backwash can be exhausted around the tongue or through the tongue to eject contaminants from the fiber optic connector.

Abstract: A nozzle is disclosed which includes a container member and a nozzle head. The container member has an internal space and a first end with an attachment mechanism adapted to attach to a needle free injector. The nozzle head has a first end and a second end in which the first end has an attachment part adapted to attach to the attachment mechanism of the container member. The second end of the nozzle head has a wall with at least one injection orifice. The container member and the nozzle head are separate parts but connectable to each other. A method of loading an injectable into a nozzle for needle-free injector is also disclosed.

Abstract: A shower head comprising a pair of plates, for dispensing and closing, directly facing each other relative to an axial direction. The shower head comprises a closing ring which is directly arranged between the plates and fixing and sealing means suitable for fixing the plate each other and for realizing a liquid tight seal, so as to sealingly delimit with the plates a fluid collecting chamber and dispense the liquid through holes of the delivery plate. The shower head is especially thin, inexpensive to manufacture and to assemble.

Abstract: The present invention comprises a high performance, horizontal, zero-net mass-flux, synthetic jet actuator for active control of viscous, separated flow on subsonic and supersonic vehicles. The present invention is a horizontal piezoelectric hybrid zero-net mass-flux actuator, in which all the walls of the chamber are electrically controlled synergistically to reduce or enlarge the volume of the synthetic jet actuator chamber in three dimensions simultaneously and to reduce or enlarge the diameter of orifice of the synthetic jet actuator simultaneously with the reduction or enlargement of the volume of the chamber. The present invention is capable of installation in the wing surface as well as embedding in the wetted surfaces of a supersonic inlet. The jet velocity and mass flow rate for the SJA-H will be several times higher than conventional piezoelectric actuators.

Abstract: A dissolved gas flotation pressure reduction nozzle (60) comprises: an integrally moulded plastics component (61) comprising a discharge spout (62), an impingement plate (64) and one or more fins (66) extending from the impingement plate (64) in the radially outwards and downstream directions; and a control plate (75) upstream of the impingement plate (64).

Abstract: To prevent ejection failure which occurs because openings of nozzles are clogged with fine burrs generated at a parting line (P) of a flow path member (2) formed by molding, provided is a liquid jet head (1) including the flow path member (2) and an actuator portion (3). The flow path member (2) includes a first member (4) and a second member (5) bonded thereto. A flow path (8) and a discharge port (12) communicated to the flow path (8) are formed between the first member (4) and the second member (5). The first and second members (4, 5) each include a parting line formed by molding on a surface thereof. The parting line is not positioned on an inner surface forming the flow path (8), and is positioned on the surface of the first member (4) or the second member (5) other than the inner surface.

Abstract: A heat-resistant apparatus comprising a plurality of rigid, fireproof panels mounted to an inner surface of an inner fixed structure (IFS) of an aircraft thrust reverser. The plurality of panels may include fixed panels and floating panels, with the fixed panels fastened directly to the IFS and the floating panels fastened to the fixed panels in a substantially checkered arrangement along the inner surface of the IFS. The fixed and floating panels may each comprise a rigid core surrounded by various fireproof or heat resistant materials. The fixed and floating panels may be configured and affixed to the IFS such that air from an engine's fan may flow through a space between the panels and the IFS, providing additional cooling and heat resistance.

Abstract: A synthetic jet ejector (201) is provided which includes a housing (205) having an orifice (207) defined in a wall thereof from which a synthetic jet (209) is emitted, and a barrier (211) disposed about the orifice. The barrier has a first end which is disposed proximal to the orifice and which has a first perimeter. The barrier also has a second end which is disposed distal to the orifice and which has a second perimeter. The second parameter has a larger area than the first perimeter.

Abstract: A spin annular slit spray nozzle includes: a core seat, a spin core, and a spin annular slit orifice. Said core seat has a core chamber, an inlet and an outlet communicated with the core chamber are provided on the core seat; the inlet of the core seat is communicated with a pressurized flow source; said spin core is limited in the core chamber which is concentric with the spin core and may rotate with respect to each other; spin-actuating channels are formed on the spin core or on the core chamber wall.

Abstract: A method of conversion of a single-phase stream into a supersonic homogenous two phase medium includes flowing the stream into an inlet section of a nozzle at an initial pressure, boiling a portion of the liquid medium by accelerating a velocity of the stream through a multistage draw-down of an inner diameter of the inlet of the nozzle to form a mixture of liquid and boiled fluid; and accelerating the mixture to a second velocity by flowing the mixture through an outlet section that diverges along the flow direction. The outlet section includes a concave portion, a convex portion, and a transition between the concave portion and the convex portion in which the concave profile smoothly transitions to the convex profile. A velocity of the stream is equal to a velocity of sound in the stream at a critical section located in the outlet section.

Abstract: Improved reactor feed nozzles are disclosed. According to one embodiment, a feed nozzle comprises an inner tubing encased within an outer heat shield tubing, a first circular hole fabricated in the inner tubing, the first circular hole having a first diameter and serving as a discharge hole, a second circular hole fabricated in the outer heat shield tubing, the second circular hole having a second diameter, wherein the second diameter is larger than the first diameter; and a welded tip for extending a flow path at a declining angle, the welded tip having a section extending at a predetermined angle from the inner tubing to the discharge hole.

Abstract: A nozzle for delivering a measured quantity of viscous liquid including a flared opening defined by a horizontal perimeter and a flare wall extending inward from the perimeter, a cylindrically-shaped barrel wall extending from the flare wall downward to a break point defined by a circle parallel to the flare opening and spaced-apart therefrom, a cone-shaped wall extending downward from the circular break point and inward therefrom to a circular exit opening, and a small-diameter exit tube extending from the circular exit opening to a circular exit aperture.

Abstract: A nozzle for a spray gun comprises a fixed assembly and a displaceable assembly; the fixed assembly comprising a tubular nozzle housing (1) having an inlet end (2) connectable to a fluid supply, and having an outlet end (3) and a flow passage extending from the inlet end (2) to the outlet end (3), the displaceable assembly comprising a pressure regulating mechanism arranged in said flow passage at the outlet end (3) in order to control the nozzle pressure Said mechanism comprises a stem (6); a baffle (7) mounted for axial displacement on said stem (6) in said flow passage defining a nozzle gap (20) between said baffle (7) and the housing (1). The fixed assembly further comprises means (12) to distribute a passing fluid flow and to support a second end (6b) of the stem and the means are fixed inside the housing (1), said means (12) further being adapted to fixedly receive a valve cone (5) connectable to an axially displaceable fluid supply tube (8) for supplying a fluid.

Abstract: Apparatus, systems, and methods for fluidizing particulates in a fluid/particulate mixture. A nozzle can include a gas entry segment, a gas exit segment, and an access segment. The gas exit segment can be coupled to the gas entry segment, and a longitudinal axis of the gas exit segment can be oriented at an angle of between about 70° and about 110° with respect to a longitudinal axis of the gas entry segment. The access segment can be coupled to the gas entry segment and the gas exit segment, and a longitudinal axis of the access segment can be substantially aligned with the longitudinal axis of the gas exit segment.

Abstract: A nozzle, die, apparatus, system and method for forming a fiber population having a median diameter less than one micrometer, and nonwoven fibrous webs including a population of such sub-micrometer fibers. The nozzle includes a first conduit having a first terminal end, a second conduit positioned coaxially around the first conduit and having a second terminal end proximate the first terminal end, wherein the first and second conduit form an annular channel between the first and second conduit, and additionally wherein the first terminal end extends axially outwardly beyond the second terminal end. The die includes at least one such nozzle, and the apparatus and system include at least one such die. Methods of making nonwoven fibrous webs including a population of sub-micrometer fibers, and articles including such nonwoven fibrous webs, are also disclosed.

Abstract: A spray apparatus has a container and a nozzle assembly. The nozzle assembly includes a cup member and a retention ring. The cup member has a central concave surface and a hole open to the central concave surface. A conduit extends downward below the hole and cooperates with the container to allow depression of the cup member from a first condition to a second condition to, in turn, pass product from the container out the hole. The retention ring has an inner portion secured to the container and an outer portion cooperating with the sidewall to resist upward movement of the sidewall of the cup member beyond the first condition.

Abstract: Nozzle and a method of making the same are disclosed.

Abstract: An apparatus for combustion steam generation is provided, which includes a combustion chamber having an inlet end and an outlet end; a manifold at the inlet end configured to introduce a fuel and an oxidizer into the combustion chamber; an outer casing defining a coolant chamber between the outer casing and the combustion chamber; and a plurality of converging coolant inlets for conducting coolant from the coolant chamber into the combustion chamber at or near the outlet end of the combustion chamber. The converging coolant inlets are radially disposed around the combustion chamber and preferably configured to produce a converging-diverging nozzle from the coolant conducted into the combustion chamber. The device may be used in systems and methods for enhanced recovery of subterranean hydrocarbons, by deployment into and operation in a wellbore, where the produced steam and combustion gases are injected into a hydrocarbon formation to enhance hydrocarbon recovery.

Abstract: A fuel injection valve for internal combustion engines has a valve housing composed of a first housing part and a second housing part which are connected to one another in a connecting region. In order to improve the strength of the connection in relation to the pressure of the fuel which prevails in an inner space, the housing wall of the first housing part is supported in the connecting region on the housing wall of the second housing part, and the housing wall of the second housing part is of reinforced design in the connecting region.