Abstract: A spray gun reservoir has an oversize central opening 130 at one end allowing liquid to be added to the reservoir for fast filling with reduced risk of spillage. A cap member 132 is connectable to the reservoir and has a spout 115 providing a fluid outlet of reduced size relative to the opening 130 for connection to the spray gun. The reservoir can be disconnected from the cap member 132 when it is desired to add liquid to the reservoir. In this way, the reservoir can be re-filled in use.

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: A fuel injector and a method for manufacturing a fuel injector are described. The fuel injector includes a glass substrate and a nozzle enclosed within the glass substrate. The nozzle includes at least one injection hole. The method of manufacturing a fuel injector includes defining a shape of at least one injection hole in a glass substrate to obtain an at least one outlined injection hole and etching the at least one outlined injection hole to obtain the at least one injection hole.

Abstract: The invention relates to a device for spraying water, provided with a seal support (21) arranged between the body (1) and the perforated sheet (23) and in contact with the above. The seal support is mounted such as to be able to be removed from the body (1) with the joint (20). The above finds application in the production of non-woven materials.

Abstract: A backpack sprayer having a tank with a filling opening at the top thereof and a pressure chamber therein is provided with filtering apparatus for preventing particles in the fluid in the tank from entering an inlet port of the pressure chamber located near the bottom of the tank when suction generated by a pump that depends from the bottom of the pressure chamber causes fluid in the tank to flow through the inlet port into the pressure chamber. The fluid pressurized by the pump flows through an outlet port from the pressure chamber for spraying when a valve in the nozzle at the end of a hose communicating with the outlet port is actuated by an operator. The filtering apparatus is provided by a filter in a frame removably captured in a fixture projecting outwardly from the outside of the pressure chamber on opposite sides of the inlet port.

Abstract: A spray nozzle, particularly well adapted for use in compressor spray cleaning systems, has a nozzle body with a right angle fluid delivery bore having a first passageway section extending longitudinally and at least one connected transverse nozzle bore section terminating in a reduced diameter spray bore at a sidewall of the nozzle body. A swirler is mounted in the nozzle bore section, and has a head section with a plurality of passageways formed between swirl vanes arranged about a periphery of the head section to pass fluid to the spray bore and an adjacent neck section of a reduced diameter. The neck forms an annulus between the neck and the nozzle body in fluid-passing contact with the first passageway section and head section to direct fluid from the first passageway through the head passageway for exit through the spray bore. The nozzle can be used in spray systems over a wide range of fluid delivery volumes and pressures.

Abstract: Adjustable nozzles are disclosed. Nozzles of the present invention include an adjustable component for controlling the water flow through the nozzle. Instead of disassembling the nozzle, a tool may be used to adjust the adjustable component. For example, the adjustable component may be adjusted longitudinally with respect to the axis of the nozzle or rotationally using the tool, thereby increasing or decreasing the volume, velocity and distance of the water stream exiting the nozzle.

Abstract: A fuel injector for fuel-injection systems of internal combustion engines includes a solenoid coil, a tubular support acting as inner pole of the solenoid coil, and a filter element, the filter element being press-fitted with an outer contour of the tubular support of the fuel injector.

Abstract: An apparatus having a housing with a water channel, for instance a laminar water flow, flowing there through. A pliant member is provided and contained within at least a portion of the housing with an outer surface and an inner surface, the water channel passing substantially unimpeded along and through the inner surface of the pliant member. An at least one water input, an at least one filter member and an at least one jetting element are also provided. The pliant member is oriented within the housing and surrounds at least a portion of water channel, the portion of the water channel flowing therethrough, and the pliant member expanding to absorb surges within the water channel from the input of water flowing in from the at least one water input.

Abstract: The invention concerns a sanitary component (1) that has a jet regulating device (4) in the interior of a mounting housing (6). The jet regulating device (4) includes at least one directly-mounted element (5) housed in the mounting housing (6), this element being provided with ridges (11) transverse to the flow direction and defining between them passageways (12). The invention is characterized in that the ridges (11) of at least one directly mounted element (5) are arranged in the form of a grid or network and intersect at junction points. The component (1) according to the invention, which can be manufactured inexpensively, exhibits the best possible jet regulating characteristics, even if the transverse surface is relatively small; moreover, the component (1) according to the invention requires little maintenance, without any risk of malfunction resulting from dirt carried by the liquid flow.

Abstract: The invention relates to a water-saving shower head which operates at low and high pressure. The inventive shower head comprises a knuckle consisting of an internally-threaded tubular section which is used to connect same to the tube, said tubular section being connected to a solid sphere containing an upper chamber therein. In turn, the upper chamber comprises a small funnel having three other small longitudinal, concentric and radially-equidistant conduits which are used to regulate the water flow and which flow into a conical cavity.

Abstract: The present disclosure generally relates to a nozzle or tip for a fluid delivery system, and more specifically, but not by limitation, to a nozzle for a texture sprayer. In one exemplary embodiment, a texture spraying system is provided and includes a spraying device, an air source configured to provide pressurized air to the spraying device, and a texture material source configured to provide texture material to the spraying device. The system also includes a nozzle mounted proximate an output of the spraying device. The nozzle receives a flow of air and a flow of texture material. The nozzle includes a pin positioned in the airflow and is configured to produce a spray pattern that is substantially rectangular.

Abstract: An insert body (10) for a spray nozzle assembly (1) has a fan jet producing section (17) for producing an oscillating, large-area fan jet and a point jet producing section (18) for producing at least one point jet located in the wetting area of the fan jet. It is thereby ensured that even if the fan jet collapses or is pushed aside, the surface is wetted at least by the or each point jet, which are much more forgiving from a fluid dynamics standpoint.

Abstract: A drinking straw with a wall having a first and a second end, wherein the drinking straw comprises a reinforced section at its first and/or second end. A method for producing a drinking straw is also provided.

Abstract: A fuel injector with various embodiments of a annular damper member that reduces noise generated between a valve group subassembly and a power group subassembly during operation of the fuel injector. A mass annular damper member is also shown and described. A method of reducing sound in the valve group subassembly is also disclosed.

Abstract: Apparatus and method for substantially reducing or eliminating pressure pulsations caused by the opening and closing of fuel injectors. A preferred embodiment provides a restriction orifice adjacent the inlet end of a fuel injector filter of a respective fuel injector.

Abstract: The present invention relates to a jet regulator (1) having a jet fractionating device inside a mounting housing (6). The jet regulator (1) according to the present invention is characterized in that the mounting housing (6) is divided into at least two housing parts (7, 8), and that the housing parts (7, 8) can be connected to one another, and that a housing part (7) at the flow inlet side is connected fixedly and non-releasably with the jet fractionating device (2). The jet regulator (1) according to the present invention is distinguished by a high degree of shape stability and by manufacturing costs that are nonetheless low, even for small housing diameters (see FIG. 1).

Abstract: The invention is directed to a precision release vapor dispenser for dispensing material from a pressurized source of material. The precision release vapor dispenser comprises dispensing means for dispensing into the environment the material from the source of material, a microtechnology and/or nanotechnology fabricated component coupled to the dispensing means for controlling the release rate of the material to be dispensed, and means for initiating the dispensing means. The microtechnology and/or nanotechnology fabricated component may be a microchip that is a multilayer device fabricated using micro-electromechanical systems (MEMS) fabrication techniques.

Abstract: A gas turbine fuel injector includes a nozzle body having a radially inner wall proximate to an internal air path and a radially outer wall. An insulative gap is defined between the radially inner and outer walls. The inner and outer walls are adapted and configured for relative axial movement at a first interface. An inhibitor ring is disposed proximate a downstream end of the inner wall for discouraging fuel from entering the insulative gap. A second interface is formed between the downstream end of the inner wall and an upstream end of the inhibitor ring to accommodate relative axial movement of the inner and outer walls.

Abstract: A liquefied gas dispensing nozzle having a cylinder with its axis in a vertical direction, and a plug to be inserted into the cylinder from above as its main elements. A plurality of slit portions for letting through the liquefied gas are formed in parallel in an axial direction of the cylinder from the upper end to the lower end in an inner circumferential face of the cylinder contacting to an outer circumferential face of the plug. A width of at least one or more pair of mutually opposed slit portions is generally constant from its upper end to lower end and its slit bottom is inclined so that the depth of the slit becomes gradually shallower from upper end to lower end. Each slit portion of the cylinder is closed with the plug when the plug, which is movable vertically relative to the cylinder, reaches the lowest end position. A rounded portion formed by rounding a corner portion of the lower end of the slit portion includes an inclined slit bottom.

Abstract: A nozzle is provided having a primary outlet for distribution of water relatively distant from the nozzle and a secondary outlet for distribution of water relatively close to the nozzle. The nozzle includes a threaded portion for coupling the nozzle to a source of pressurized water. A flow channel to the secondary outlet is formed through the threads to provide an appropriate pressure drop to improve water distribution to terrain relatively close to the nozzle. The flow channel may cut across the threads or may extend in the same direction as the threads. The flow channel may be tortuous or non-tortuous based on the number of directional changes in the flow channel, thereby allowing the tailoring of close-in water distribution characteristics.

Abstract: One embodiment of the invention is directed to an apparatus for atomizing a fluid. This apparatus includes an atomizing nozzle assembly. The atomizing nozzle assembly includes: a spray applicator enclosure having a fluid entry zone, a flow shape profiler region, a transducer, and a cavitation enhancer module, wherein the cavitation enhancer module includes a residence modulation zone and the residence modulation zone includes a backward facing step region. The apparatus is configured such that fluid can enter the fluid entry zone to the nozzle profiler, the transducer and the cavitation enhancer module. Other embodiments relate to methods for atomizing fluids.

Abstract: A plumbing fixture including an aspirating type showerhead operates to add a selected scent to the spray water. The showerhead utilizes a venturi assembly where the water supply passes through a venturi. A negative pressure is created at the high velocity water jet stream point, near the narrow area of the venturi. A number of small openings in the venturi, to a surrounding air chamber, allow air from the chamber, to be drawn into the venturi. The air chamber has inlet openings for the aspiration of room air. At a portion of these inlet openings is a quick connect port to receive a scented cartridge. The scent cartridge is then inserted into the quick connect port of the showerhead. Room air is then drawn through and over the scent cartridge where the high velocity air picks up scent molecules from the scented wick within the cartridge.

Abstract: Nozzle apparatus and methods for producing a flow stream for ultrasonic testing are disclosed. In one embodiment, a nozzle assembly includes an outerbody and an innerbody disposed within the outerbody. The innerbody includes a first portion adapted to receive a fluid medium radially through a plurality of first baffle apertures into a first chamber, and a second portion adapted to provide a first passage for the fluid medium from the first chamber to a second chamber. The innerbody further includes a third portion adapted to receive the fluid medium radially through a plurality of second baffle apertures into a third chamber, and a fourth portion adapted to provide a second passage for the fluid medium from the third chamber to an exit aperture.

Abstract: The present invention relates to liquid dispensing devices having discharge nozzles. The discharge nozzle has a flow control device. The flow control device includes a check valve and an outlet. The check valve is capable of creating a vacuum pressure cycle during closing. The outlet is formed from at least one perforated plate. The perforated plate has a plurality of apertures therethrough. The plurality of apertures include at least two differently sized sets of apertures. The at least two differently sized sets of apertures include a larger size set of apertures and a smaller size set of apertures. The larger size set of apertures are centrally located within the perforated plate. The present invention helps to concentrate the greatest vacuum pressure on a decaying portion of a stream of liquid right in the center of the outlet of the discharge nozzle.

Abstract: The invention is directed to a precision release aerosol dispenser for dispensing material from a pressurized source of material. The precision release aerosol dispenser comprises dispensing means for dispensing into the environment the material from the source of material, a microchip coupled to the dispensing means for controlling the release rate of the material to be dispensed, and means for initiating the dispensing means. The microchip usable in the precision aerosol dispenser of the invention is a multilayer device fabricated using MEMS fabrication techniques.

Abstract: Spray nozzle apparatus and method. The apparatus can include a body, a spray orifice, a filter, and an insert. The body can have a spray outlet portion. The spray outlet portion can terminate in a spherical dome. The spray orifice can be included in the spray outlet portion and positioned before the spherical dome in a flow path. The spray orifice can be substantially V-shaped. The insert can be positioned at least partially in the spray outlet portion and can include an entry shaft having a substantially rectangular cross section and at least one projection.

Abstract: An air-blast fuel injector is disclosed which includes an outer air circuit having an exit portion, an inner air circuit having an outlet configured to direct air toward the exit portion of the outer air circuit, and a fuel circuit radially outboard of the inner air circuit and having an exit communicating with the outer air circuit upstream from the exit portion of the outer air circuit.

Abstract: A high-pressure liquid projection assembly for cleaning and/or deburring industrial parts, having a housing with an inlet adapted for connection with a pressurized liquid source, an outlet and a fluid passageway connecting the inlet to the outlet. A fluid chamber is formed in the housing and disposed around an intermediate portion of the passageway. At least one opening is formed in the housing which fluidly connects the chamber to the passageway while a control port on the housing is fluidly connected to the chamber. The control port is adapted to be connected to a variable flow pressurized liquid source to thereby vary the projection cone pattern from the outlet as a function of the valve opening.

Abstract: A control device for a shower head assembly includes is engaged with an inlet of the shower head and includes a tubular body which has a central piece located at a center thereof. A plurality of plates are connected between the central piece and an inner periphery of the tubular body. A flexible ring is mounted to the central piece such that a path is defined between the inner periphery of the tubular body and an outer periphery of the flexible ring. The flexible ring is expanded by water pressure to narrow the size of the path so that the maximum volume of the water can be controlled.

Abstract: A nozzle is provided for dispensing a liquid from a container in a desirable, nearly rectangular spray pattern. The nozzle includes an actuator having an inlet end adapted to receive liquid from the container and an outlet end, the actuator outlet end defining an outlet chamber. An insert is coupled to the actuator outlet end and defines an insert passage in fluid communication with the outlet chamber. The insert includes at least a first convex shoulder disposed downstream of the outlet chamber, and a nozzle outlet disposed downstream of the first convex shoulder. The convex shoulder may have a radius of curvature and side walls may be provided at an angle of convergence. The radius of curvature and the angle of convergence may be provided within certain ranges to obtain the desired spray pattern at the desired flow rate using typical aerosol can pressures.

Abstract: A fuel injection device for an internal combustion engine includes a housing and a valve element which is arranged in the housing. The valve element interacts, in the region of a fuel outlet opening, with a valve seat. The valve element is embodied by at least one first part and at least one second part which are coupled to one another by means of a hydraulic coupler. The hydraulic coupler has a coupling chamber which is delimited at least partially by a sleeve which is guided on the first part of the valve element. Additionally a guide element guides an end region of the first part of the valve element, which end region being oriented toward the second part of the valve element.

Abstract: An irrigation sprinkler spray nozzle is provided that includes a first deflector surface defining a first configuration to project a fluid spray having a first distribution pattern, and a second deflector surface defining a second configuration to project a second fluid spray having a second, different distribution pattern. To select the fluid spray, the nozzle further includes a selector having a first position to select the first deflector surface and a second position to select the second deflector surface.

Abstract: A fuel injector nozzle assembly is disclosed. The assembly may include a nozzle casing, a first tip member, and a second tip member. The first tip member may extend longitudinally within the nozzle casing and may define first and second shoulders on the first tip member. The second tip member may extend longitudinally within the nozzle casing and may be arranged in predetermined rotational alignment with the first tip member. The second tip member may define a third shoulder on the second tip member configured to interact with the first shoulder to oppose rotation of the first tip member relative the second tip member in a first direction about a longitudinal axis of the first tip member. The second tip member may further define a fourth shoulder on the second tip member configured to interact with the second shoulder to oppose rotation of the first tip member relative the second tip member in a second direction about a longitudinal axis of the first tip member.

Abstract: 1. High pressure nozzle and method for the manufacture of a high pressure nozzle. 2.1. The invention relates to a high pressure nozzle with a jet director within a supply channel to a discharge opening. 2.2 According to the invention in an area directly surrounding the supply channel median longitudinal axis, the jet director has a free flow cross-section. 2.3. Use e.g. for high pressure nozzles for descaling steel products.

Abstract: At a time of forming lip portions in upper and lower edge portions of an ejection port in a protruding manner, a nozzle for ejecting a washer fluid of a washer fluid ejection apparatus in a diffusion manner is structured such that a step surface is formed on an inner side surface such that protruding amounts of the lip portions are set to the same length with a protruding tip portion in a washer fluid ejection side of the lower lip portion positioned lower than a lower side edge portion of the ejection port. Accordingly, it is possible to make the ejected washer fluid substantially unaffected by the air flow during vehicle movement.

Abstract: A water-saving type shower head operable to reduce flow volume while maintaining a high discharge pressure. A diameter-reduced water passage 19 of a flow control member 20 disposed in a head portion 22 of a shower head body 12 has a first and a second water passage portions 40 and 41 provided on an entry side and an exit side thereof, respectively. The first water passage portion 40 has a small diameter, and the second water passage portion 41 has an inside diameter which is 1.5 to 3 times that of the first water passage portion 40. On an upstream side of the first water passage portion 40, a tapered diameter-reduced portion 43 reduced in diameter in a flow direction is formed, and on a downstream side of the second water passage portion 41, a diameter-increased portion 45 increased in diameter in the flow direction is formed.

Abstract: A liquid crystal dispensing apparatus includes a container containing liquid crystal material; a discharge pump drawing in and discharging the liquid crystal material; a nozzle dispensing, onto a substrate, liquid crystal material discharged by the discharge pump; and a detector arranged near the nozzle to detect the presence of residual liquid crystal material accumulated on the surface of the nozzle. When the presence of residual liquid crystal material is detected, a dummy dispensing operation and/or a cleaning operation may be performed to remove the residual liquid crystal material.

Abstract: A flow diffuser adapted to be fitted to the exit end of the fill tube of a fuel tank having slot like apertures which are arranged to extend substantially at right angles to the axis of the fill. A deflector is fitted into the base of the diffuser and is formed with an opening to allow the passage of a dipstick.

Abstract: A system for retaining and locating a jewel of the type comprising a nozzle for a water cutting system includes a first support structure component having a water discharge passageway extending therethrough and having an exterior locating surface formed at the water receiving end of the water directing passageway. A second support structure component has a water directing passageway formed therein and has a jewel receiving cavity formed therein at the discharge end of the water receiving passageway. The second support structure component further comprises a chamber for receiving and retaining the first support structure component with the locating surface thereof positioned in engagement with the locating surface of the jewel.

Abstract: A filter for use with overhead sprinkler irrigation systems is disclosed. The filter includes a hollow cylindrical body, a removable screen, and a manually-actuated plunger adjacent the screen. The plunger is positioned for reciprocal movement through a debris outlet between an open, debris-discharging position, and a closed filtering position. The plunger defaults to the closed filtering position by pressurized water flowing through the body. The water is simultaneously filtered through the screen and passes out a clean water outlet while debris accumulates within the body. The plunger may be manually retracted to the open, debris-discharging position at any time, whereby accumulated debris is flushed out of the body through the debris outlet by residual water flowing therethrough.

Abstract: An apparatus having a housing with a water channel, for instance a laminar water flow, flowing there through. A pliant member is provided together with an at least one water input, an at least one filter member and an at least one jetting element. The pliant member is oriented within the housing and about the water channel to absorb surges from the input of water flowing in from the at least one water input.

Abstract: A swivel mount for a spray head configured to be at least partially recessed within a mounting surface of a wall.

Abstract: A nozzle for generating a high-pressure jet of a flowable medium, having a nozzle body and a nozzle disk which is embedded in the nozzle body in a recess. The nozzle body includes an axial nozzle bore which leads into at least one of an inlet bore and an outlet bore. The nozzle disk rests under compressive strain on contact surfaces of the recess. Also included is a method for creating a nozzle having a nozzle disk embedded in a nozzle body, the steps comprising: providing a nozzle disk; forming a nozzle body around the nozzle disk in a recess so as to create compressive strain on contact surfaces of the nozzle disk.

Abstract: A water spreader arrangement for use in an evaporative air cooler in which the spreader includes an inlet leading to generally vertical projections disposed over several levels. The projections are adapted to divide a single stream of water entering the inlet into many outlet streams, all of which have a predetermined ratio of flow rates. The outlet streams can be fed to an evaporative pad of an evaporative cooler. In a preferred form, the outlet streams have substantially the same flow rate. Preferably, a cooler incorporating this water spreader arrangement would include several spreaders around the upper periphery of the evaporative pads.

Abstract: Systems and methods for high volume, low pressure foam generation are provided that have a wide range of applications, particularly in fire fighting and fire prevention fields. The foam may be effectively delivered to targets that have heretofore been difficult, if not impossible, to reach in a timely, cost effective and/or efficacious manner. Nozzles and nozzle-containing systems are provided for combining water, injected foam and air to generate and/or deliver high volume, low pressure foam. The foam generation systems may be part of portable units that may be worn or otherwise supported by a user (e.g., a back pack), manually transported (e.g., a push cart), or transported with power-assistance (e.g., a power-assist cart). The systems may also be vehicle-mounted. Exemplary nozzle systems include a diffuser unit that facilitates aeration of the water and foam mixture that is fed to the nozzle system.

Abstract: A nozzle system is provided comprising a nozzle tip supported in a nozzle body with an alignment member. The alignment member has a connection for engaging a corresponding connection located on the nozzle body. The alignment member also has an aperture concentric with the sleeve that has a tapered engagement surface for contacting a tapered engagement surface on the nozzle tip. A first melt channel is defined through the nozzle body and a second melt channel is defined through the nozzle tip. The melt channel in the nozzle tip has a first section that extends along a first axis from an inlet, a second section that extends from the first section at an incline and a third section that extends from the second section parallel to and eccentric with the first axis. The resulting melt channel defines a straight through channel parallel to said first axis from said inlet to said opening.

Abstract: A compact gassing lance including tubing having a tubing plenum and a distribution opening; a supply line operably connected to supply gas to the tubing plenum; and a screen attached to the tubing over the distribution opening and forming a screen plenum; wherein the screen plenum receives directional gas flow from the distribution opening and laminarizes the directional gas flow.

Abstract: A paint reservoir has a fluid outlet (115) connectable to a spray gun (101) and a fluid inlet (131) provided with a removable screw cap (132) whereby the fluid inlet (131) is directly accessible for introducing paint to the reservoir while attached to the spray gun (101). The fluid outlet (115) and fluid inlet (131) may both be provided in an end wall of the reservoir with outlet (115) located on the longitudinal axis of the reservoir or offset to allow the size of the fluid inlet (131) to be increased for easier filling of the reservoir. The outlet (115) can be aligned with the longitudinal axis of the reservoir or it can be inclined relative to the longitudinal axis to provide greater clearance for access to the fluid inlet (131) when the reservoir is attached to the spray gun (101).

Abstract: A device suitable for atomization and injection of a hydrocarbon batch into a reaction chamber comprises an admission and mixing chamber (5) for the liquid hydrocarbon batch introduced into the device by a tube (8) and for an atomization gas introduced into the device by a cylindrical casing (9) containing tube (8). Casing (9) is extended by a Venturi tube (6) which has a convergent part connected upstream to cylindrical casing (9) and a divergent part connected downstream to a hemispheric tip (7) that leads, by a rectangular slit with an opening angle (16) between about 100 and 115 degrees, to the reaction chamber. The device can be used in processes for catalytic cracking of heavy hydrocarbons.