Abstract: A method of dispensing different concentrations of chemical concentrate from a concentrate container at different flow rates. The method includes providing a stream of water and a chemical concentrate adapted to be diluted in the stream of water between an inlet of a body member and an outlet of the body member to provide a fluid concentration dispensable from the outlet at one of a plurality of flow rates, rotating at least a portion of an eductor to vary one of a volume of chemical concentrate and the flow rate, sliding the eductor to vary the other of the volume of chemical concentrate and the flow rate, and selectively dispensing the fluid concentration through the outlet.

Abstract: A fluid injection device includes: a pulse generator which converts fluid into pulse flow; a suction pipe projecting from the pulse generator; an injection pipe which is eccentrically inserted into the suction pipe such that the outer circumferential surface of the injection pipe contacts the inner circumferential surface of the suction pipe, and has an injection opening communicating with the pulse generator; and a suction channel and a suction opening formed between the inner circumferential surface of the suction pipe and the outer circumferential surface of the injection pipe, wherein the injection pipe is fixed to the inner circumferential surface of the suction pipe in the vicinity of the injection opening.

Abstract: An injector for injecting a flat fan of liquid includes an injector body defining a pair of air channels, with each air channel fluidly connected to a respective air inlet. The air channels join one another at a common throat defined in the injector body and are separated by a land defined in the injector body extending from the air inlets to a point proximate the throat. The air channels and a liquid inlet are in proximity to draw liquid out of the liquid inlet into the throat with air flowing through the air channels. A diverging diffuser is provided in fluid communication with the throat. The diffuser includes an impingement surface defined in the injector body opposed to the liquid inlet. The liquid inlet is configured to inject liquid against the impingement surface to form a fan of liquid diverging outward through the diffuser.

Abstract: A device enables fluid pumps not specific to producing foam to be modified to be foam pumps by adding several elements to the pumps. The added elements include a supply conduit extending from an inlet of the pump to an elbow below the level of foaming liquid and hence rising above the level of the liquid to terminate in air. The supply conduit has a suction hole through which the liquid is sucked when air circulates in front of the hole. A foam discharge conduit connected to the pump outlet has a filtering grate. The foaming liquid includes water to produce foam without additional water. Additional grates and a removable extension grate are added optionally. Dimensions of the elements and dilution level of the foaming liquid are a function of the nature of the foam.

Abstract: Disclosed herein is a mixing apparatus for mixing solids and liquids comprising a mixing chamber defined within a plurality of sides radially arranged about a central axis, the mixing chamber comprising an eductor, the eductor comprising a first chamber inlet separated along the central axis from a chamber outlet by a frusta conical venturi throat arranged coaxial with a central axis; the eductor further comprising a second chamber inlet disposed through one or more of the plurality of sides and located between the first chamber inlet and the chamber outlet, the second chamber inlet having a plurality of second inlet opening diameters, each determined perpendicular to the central axis at the point at which the second chamber inlet intersects with an outer wall of the venturi throat, wherein the second inlet diameters are each less than the diameter of the venturi throat at each of the points at which the second chamber inlet intersects with the outer wall of the venturi throat.

Abstract: A chemical dispensing apparatus includes a housing that is connectable to a source of water, such as a standard garden house, and an internal space in which is disposed a rotatable container containing a quantity of chemical concentrate to be mixed with the source of water as it flows through the housing and is dispensed from the housing from a sprinkler head or misting nozzle. The flow of water through the housing powers a water turbine which is connected to the rotatable container, such that the container is rotated as water flows through the housing. In an alternative embodiment, the water turbine is replaced with an electric motor. Rotation of the container cause the chemical concentrate to dissolve which is then mixed with the water before it is dispensed through the sprinkler or mister.

Abstract: A system for continuously metering and transporting a powder comprises means (104-107) for fluidizing (F2) the powder in a closed reservoir (4), a tube (110) dipping into the fluidized powder (L4) and discharging (110B) to the outside of the reservoir (4), and means (S2, C2) for pressurizing the reservoir. The system further comprises supply means (C3) for continuously supplying pressurizing gas from the reservoir (4) to a chamber (V6) for mixing the gas with fluidized powder leaving the tube (110), said supply means (C3) being equipped with or constituting a constriction (R3) to the flow of the pressurizing gas. A hose (7) for transporting the powder mixed with the pressurizing gas is connected to the downstream end of the mixing chamber (V6).

Abstract: The dispenser draws a concentrate fluid from a liquid container into an input fluid. There is an elongated channel having an input for the input fluid and dispensing nozzle at an exit end for dispensing the concentrate fluid in a diluted form. A transverse intersecting channel is intermediate the input end and the exit end. An insert is moveable in the transverse intersecting channel, apertures of the moveable insert being alignable with apertures in the transverse intersecting channel and the liquid container. The channels from the liquid container will have a plurality of various sized apertures to provide for the flow of differing amounts of concentrate fluid into the input fluid. By adjusting the moveable insert in the transverse intersecting channel and/or the input fluid flow rate the concentration of concentrate fluid in the input fluid is changed.

Abstract: A portable gas dynamic cold spray gun eliminates many of the inherent limitations of the prior art by minimizing a scatter of operating parameters and improving its efficiency. According to one feature of the present invention, the powder flow rate is continuously measured so that the powder flow rate and/or the flow rate of the pressurized gas can be adjusted accordingly in order to control the deposition efficiency of the spray gun.

Abstract: A dispenser for mixing and dispensing a liquid chemical concentrate with a dilutent from a container. The dispenser includes two slideable eductors one of which is also rotatable. Both a high and low flow rate can be obtained with simultaneous adjustment of concentration of the chemical concentrate. The dispenser has a high degree of accuracy of the amount of dilution of the chemical concentrate as well as positive positioning of the high and low flow rate.

Abstract: The present invention relates generally to a nebulizer, and more particularly but not exclusively to a compact nebulizer that may include an angled impactor and/or siphon tube integrated into the impactor to increase the nebulizer efficiency.

Abstract: An air spray gun for paint has a tubular body, having an integral screw thread receiving a threaded collar. This secures an air cap against the end of the tube. The air cap has four horns, formed with obliquely inwards directed bores, for patterning the spray, by impinging on it from opposite sides in a manner analogous to that for known air caps having two horns. Behind the air cap in the tube is an air distributor for distributing air to either or both of the pairs of air horns as required to patterning of the paint spray. Paint flow is controlled by a needle withdrawable from a paint nozzle for paint flow. The needle is in two parts, a front interchangeable part and a rear part connected to the trigger.

Abstract: An airbrush apparatus for use in generating a design on a desired object is disclosed. The apparatus and method of use are disclosed wherein the airbrush apparatus comprises a housing, boom, and sprayer head. A fluid to be applied is contained in individual cartridges and is drawn out by a vacuum effect caused by air that is being pumped from the housing across a feed tube which is in fluid communication with the cartridge.

Abstract: A dispenser for mixing and dispensing a liquid chemical concentrate with a dilutent from a container. The dispenser includes two slideable eductors one of which is also rotatable. Both a high and low flow rate can be obtained with simultaneous adjustment of concentration of the chemical concentrate. The dispenser has a high degree of accuracy of the amount of dilution of the chemical concentrate as well as positive positioning of the high and low flow rate.

Abstract: A single use, disposable reservoir of low volume for use in conjunction with a spray gun for spray painting small areas, for example ‘spray out’ cards for color matching a paint mix for spray painting a vehicle. The reservoir is in the form of a syringe body with a plunger having a sealing member slidable within the body for drawing paint into the body via an open end. The body has an aperture adjacent to a closed end and the plunger can be moved to position the sealing member between the aperture and closed end for releasing a partial vacuum created when the paint is drawn into the body and allow the paint to be withdrawn, in use, when the reservoir is connected to a spray gun without actuating the plunger. In other embodiments, the reservoir comprises a concertina-type body or a pipette body.

Abstract: The present invention provides an aerosol spray container comprising: a container main body to contain the contents, a valve means provided on the top of the main body, and a cap means. Within the cap means, a control pressing lever means being connected with the cap means at one of its end covers onto the valve, a control pressing lever means being connected with the cap means at one of its end covers onto the valve, an actuation button means is connected with another end of the pressing lever through a spring means There are two protrusions provided on the cap means and two recesses provided on the button means, the protrusions and recesses are engaged so that the button can slide downwardly. A locking device is provided on a designed portion of the protrusions and recesses to lock the button. A time delayed device closely under the said another end of the pressing lever is arranged to extend the time during the period that the pressing lever moves downwardly.

Abstract: A device 10 for spraying dry flakes 12 including: an enclosure 22 including a lower portion 26 for holding a supply 12A of dry flakes 12 and an upper portion 27; a gas flow conduit 50 including: a receiving portion 52 adapted for connection to a pressurized gas source, and a nozzle 60; a flake conduit 40 connecting enclosure 22 with nozzle 60; and air holes 36 in enclosure 22. Flake conduit 40 includes a valve 44. A flow valve 76, operable by the user, regulates the flow of pressurized gas from a pressurized gas source through gas flow conduit 50. Receiving portion 52 includes pressure regulating valve 77 for regulating the pressure of gas from the pressurized gas source at a given gas flow rate and a pressure indicator 78 for indicating pressure of gas flowing through receiving portion 50.

Abstract: The present invention relates to an aerosol spraying apparatus which is compact in size, is easy to use, and is suitable for use in a state where it is installed on a floor. The aerosol container (11), including a stem (12) has a tip-preventing shape and, in the aerosol container (11), there are provided an operation portion (208) for operating the stem (12), and a spray orifice (207) for spraying aerosol contents jetted out from the stem (12) to the outside. The spray orifice (207) is structured such that it sprays the aerosol contents in the opposite direction from the operation position of the operation portion (208).

Abstract: A chemical aspiration sprayer head includes a carrier channel having an inlet, an outlet through which the carrier fluid exits, and an expansion chamber in between the inlet and outlet, a chemical supply channel in flow communication with the expansion chamber of the carrier channel through an aspiration opening, and a bleed line extending from the chemical supply channel between the aspiration opening and the liquid chemical, the bleed line connecting the chemical supply channel in flow communication to ambient air. A control valve assembly is seated in the sprayer head to simultaneously engage the carrier channel and the bleed line and with the carrier channel open, selectively open and close the bleed line to selectively permit ambient air to be drawn into the chemical supply channel in response to the aspiration flow produced by the flow of carrier fluid.

Abstract: A lubrication system for furnishing an atomized lubricant from a liquid supply into a working air line delivering compressed air to a pneumatic tool includes a liquid reservoir subjected to the combined air line dynamic and static pressures and having an atomizing delivery nozzle projecting in the direction of air flow with a bore sufficient to permit the lubricant to weep there along and to be initially atomized therein before discharge as an aerosol in the working air stream.

Abstract: An installation for fighting fire, having a hydraulic accumulator which has at least one pressure container with a space for extinguishing liquid and a space for propellant gas, a rising tube arranged in the pressure container and provided with a side opening and, at the lower part of the pressure container, a feed opening for feeding extinguishing liquid into the rising tube and further to at least one nozzle. In order to obtain an extremely small drop size of the extinguishing liquid at the final stage of the emptying of the pressure container and in order to manage with a very small amount of extinguishing liquid, the rising tube has a throttle in an area below the uppermost side opening.

Abstract: A dual pressure regulator device for a spray gun is supplied with an input fluid under pressure and outputs a first regulated pneumatic pressure to a pressurized tank, and a second regulated pneumatic pressure to the spray gun. The dual pressure regulator device has a unitary body having a fluid passageway extending from an inlet port at a first end of the body, to which inlet port the input fluid is supplied, to a first valve chamber in which a first regulator valve is installed, and to a second valve chamber in which a second regulator valve is installed. The pressure in the nozzle device's main pressure internal line and the head pressure within the tank are maintained within specified tolerances, independent of pressure fluctuations in the main supply line to the nozzle device. The body has an inclined body wall portion that is conformal with the handle, such that the valve assemblies are physically accommodated and accessible in a space directly beneath the handle, adjacent to the tank.

Abstract: A portable electric-powered particulate spreader has a housing having an inlet and an outlet. A reservoir for holding particulate material is located above the housing. A blower is located with a flow path extending from the inlet to the outlet for inducing air flow along the flow path. A particulate intake port is formed in a channel wall which encompasses an exhaust channel extending downstream from the blower to the outlet. A valve controls flow of particulate material from the reservoir to the particulate intake port. An agitator located between the reservoir and exhaust channel rotationally reciprocates and induces vibrations which assist the flow of particulate material. A foil in the exhaust channel produces a low static pressure in the which tends to draw particulate material from the reservoir into the air flow. Delays are built in so that the blower turns on before opening the valve is opened and the valve is closed before the blower is turned off.