Abstract: An injection nozzle for a spray device for drawing in a fluid suction medium by a fluid propellant which is under excess pressure and for spraying an admixture of the suction medium and the propellant. The injection nozzle has a nozzle housing, an injection chamber arranged in the nozzle housing, a jet nozzle which opens in the injection chamber for producing a propellant jet which is introduced into the injection chamber, and a fluid suction opening for the fluid suction medium. The fluid suction opening opens in an annular channel which has a flow connection to the injection chamber.

Abstract: A filter jet-director unit for a high-pressure nozzle for descaling metal products, having a housing, wherein the housing has an entry filter, a connector end for connecting to a nozzle, a flow duct between the entry filter and the connector end, and a jet director having flow-guiding faces in the flow duct. The flow-guiding faces of the jet director at least in portions are disposed in the region of the entry filter.

Abstract: A nozzle for spraying liquids, in particular a dual-substance nozzle, having a nozzle housing and a plurality of outlet openings in the nozzle housing, wherein each outlet opening is arranged at the end of an outlet passage through the wall of the nozzle housing, and wherein the plurality of outlet openings is arranged in a circle on the nozzle housing. An outlet angle which the respective central axis of the outlet passage associated with the outlet opening encloses with a central longitudinal axis of the nozzle housing differs between at least one first and at least one second outlet opening.

Abstract: A spray apparatus for cooling a metal strand in a continuous casting machine, wherein at least one multiple-nozzle head and at least one switching valve are provided, wherein the multiple-nozzle head has at least a first and a second nozzle, wherein the switching valve is arranged upstream of the multiple-nozzle head, and wherein the switching valve is flow-connected to all the second nozzles in the multiple-nozzle head, in order to enable or to shut off a supply of spray liquid to all the second nozzles.

Abstract: The invention relates to a spray arrangement having at least one return flow nozzle for injecting liquid into a process environment, having a storage tank for the liquid to be injected, at least one return flow nozzle, at least one feed line from the storage tank to the at least one return flow nozzle, at least one pump in the feed line, at least one return line from the return flow nozzle to the storage tank and at least one regulating valve for regulating a liquid quantity injected by the at least one return flow nozzle, wherein at least one further nozzle is provided, which is connected to the feed line by means of a controllable valve for enabling and shutting off a liquid feed.

Abstract: A mold for producing atomizer nozzles, wherein a mouthpiece core mold part defines an inner wall of the mouthpiece, at least in the region of a transition between the mouthpiece and the flow chamber, and is of integral design, wherein the flow chamber core mold part has a substantially smooth surface and continuous contours in the region of the transition from the flow chamber to the mouthpiece, and wherein the mouthpiece core mold part is placed against the flow chamber core mold part at the transition between the flow chamber and the mouthpiece.

Abstract: A method for producing a spray jet from a liquid/gas mixture with a two-component nozzle having a nozzle housing, including the steps of blending a supplied liquid and a supplied gas and producing a spray jet consisting of gas and liquid drops, producing a gas jet and mixing of gas jet with the spray jet.

Abstract: A spray nozzle having a nozzle housing, at least one swirl chamber which is disposed in the nozzle housing, and at least one exit opening, wherein the exit opening is disposed at the end of an exit duct which emanates from the swirl chamber and widens in the direction towards the exit opening, wherein a constriction is disposed at the transition from the swirl chamber to the exit duct, and wherein the angle of the wall steadily increases in the direction towards the exit opening or in portions remains identical, in which an angle of the wall of the exit duct at the exit opening, when viewed in the circumferential direction of the exit opening, is not constant.

Abstract: A valve assembly for spraying devices for agricultural technology having a plurality of valves, wherein the valves each include a valve body, which is capable of assuming at least one enable position and one disable position relative to a valve seat, an electric motor for moving the valve seat and/or the valve body into the enable position and the disable position, and an electric energy storage device for providing electric energy for the electric motor, wherein a voltage converter is provided and configured, in a first operation mode, to convert a first voltage provided by the energy storage device into a second, higher voltage to be applied to the electric motor during moving the valve body and/or the valve seat and, in a second operation mode, to charge the energy storage device with low power input.

Abstract: An injector nozzle having a housing, an interior space of the housing being defined in sections by a housing wall, and having an injector component arranged in the interior space of the housing at least in sections, wherein the housing wall has at least one through hole, the at least one through hole being appropriate for a human finger to reach in, at least in sections, and wherein the injector component has at least one handle portion, which handle portion is accessible via the through hole.

Abstract: A check valve for a spray nozzle including a tubular valve body, a shut-off member and a valve seat, wherein the shut-off member is mounted for movement at least in a longitudinal direction of the tubular valve body. The shut-off member is connected to the valve body by a corrugated tube disposed parallel to the longitudinal direction, wherein the shut-off member is biased toward the valve seat due to the spring effect of the corrugated tube. The check valve is suitable for use in, for example, descaling nozzles.

Abstract: An injector nozzle for intake of liquids, including an injector chamber, a liquid inlet opening for an overpressured carrier liquid, the inlet opening issuing into the injector chamber, a liquid intake opening for a liquid to be drawn in, the intake opening issuing into the injector chamber, wherein downstream of the liquid inlet opening, the injector chamber has a first section conically enlarging in the flow direction and a second section conically enlarging in the flow direction, wherein the second conical section adjoins the first conical section and the second conical section has a greater cone angle than the first conical section.

Abstract: A solid cone nozzle including a nozzle housing and a swirl insert, wherein the nozzle housing has an outlet chamber including a discharge orifice and the outlet chamber is disposed downstream of the swirl insert. The swirl insert has on its external periphery at least one swirl duct, which extends, in a swirl portion, helically or at an angle to the longitudinal center axis of the swirl insert and which extends in the axial direction in an outlet portion, which outlet portion extends from the end of the swirl portion to the downstream end of the swirl duct.

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: A two-substance nozzle for spraying a liquid-gas mixture, including a nozzle housing including at least one liquid inlet leading into a mixing chamber and at least one gas inlet leading into the mixing chamber, a swirl insert, an outlet chamber between the swirl insert and an outlet opening on the downstream end of the outlet chamber, wherein a restrictor is provided on the downstream end of the mixing chamber and an intermediate chamber is provided between the restrictor and the swirl insert.

Abstract: The invention relates to a spray nozzle, particularly a high pressure nozzle, for descaling steel products, having a mouthpiece, which is provided with a discharge opening and a discharge chamber, which tapers towards the discharge opening. According to the invention the discharge opening spans a curved surface and a surface surrounding the discharge opening boundary at each point of said boundary strikes the discharge opening boundary at an angle between 65 and 95°, particularly 90° to the median longitudinal axis. Use e.g. for descaling nozzles.

Abstract: High pressure nozzle and method for the manufacture of a high pressure nozzle. The high pressure nozzle has a jet director located within a supply channel leading to a discharge opening. In an area directly surrounding the supply channel median longitudinal axis, the jet director has a free flow cross-section.

Abstract: The invention relates to a solid cone spray nozzle with a mouthpiece having an outlet chamber and an inlet opening emanating from the outlet chamber and having a smaller cross-section than the latter According to the invention an inlet opening into the outlet chamber has a smaller cross-section than the outlet chamber and downstream of the outlet chamber inlet opening is provided a web-like preatomizer element on which impacts at least partly a fluid jet following entry into the outlet chamber. Use e.g. as a two-fluid spray nozzle for spraying or atomizing low viscosity liquids for cooling purposes in billet or bloom continuous casting installations.

Abstract: The invention relates to a cone nozzle with a nozzle body having a swirl chamber (18), an inlet hole (22) arranged in a side wall of the swirl chamber (18) and an outlet hole (20) arranged in a first end wall of the swirl chamber (18). In accordance with the invention a rotation-symmetrical projection (30) or a rotation-symmetrical recess is arranged on a second end wall of the swirl chamber opposite the first end wall and at least two blind holes (32) are arranged in the first end wall adjacent to the outlet hole (20). Use for secondary cooling of continuous billet casting plant, for example.

Abstract: A device which is designed as a spray head and is intended for lubricating and cooling molds, in particular forging dies and tools in metal forming, is described, in which device the feed passages for coolant, compressed air and lubricant are accommodated in a common compact housing but are designed to run separately from one another, and in which spray nozzles are in each case assigned to these separate flow passages, these spray nozzles being specifically designed for spraying the lubricant and the coolant, respectively. By means of this measure, the spraying operation can be designed in an optimum manner and it becomes possible to keep the lubricant and coolant consumption low.