Abstract: An electrostatic fluid delivery system is configured to deliver fluid, such as a disinfectant fluid, onto a surface by electrically charging the fluid and forming the fluid into a mist, fog, plume, or spray that can be directed onto a surface, such as a surface to be cleaned. The system atomizes the fluid using a high-pressure fluid stream and passes the fluid through an electrode of a nozzle assembly to charge droplets of the atomized fluid.

Abstract: A micro atomizer to produce stable aerosol concentrations having an aerosol mass median aerodynamic diameter (MMAD) of less than 10 microns with liquid flow rates in the microliter per minute range is provided. The micro atomizer includes a liquid channel in the shape of a thick-wall tube and a cap having an aerosol outlet orifice whereby a liquid-gas contact space is formed by the internal surface of the cap and the substantially flat end of the liquid channel. Pressurized carrier gas and the liquid to be aerosolized are allowed to come into contact within a precisely formed liquid-gas contact space. The desired aerosol characteristics are accurately established, stable, and reproducible. In an exemplary embodiment, the micro atomizer is used with a syringe and syringe drive to provide a continuous liquid source for aerosol generation.

Abstract: The invention is directed to a dispenser attachment to be mounted on a standard bottle having exterior threads at its neck. The attachment has two side arms emanating from a center. One arms has at its outer end a pressuring air bulb attached thereto. The outer end of the bulb has a one-way ball valve attached therein and another one-way ball valve is attached within the other end of the bulb. The pressurized air generated by the bulb enters directly into the interior of the bottle by way of a passage way. The passage way has a bypass just downstream of said one-way ball valve to accommodate the inward movement of the ball. The pressurized fluid in the bottle is controlled by a single unit ball valve assembly having a push button under a bias of a spring. The push button is located at the top of the attachment and is flush with its surface.

Abstract: A liquid dispenser, equipped with a dispensing pump, bearing a dispensing nozzle including a central supply chamber arranged around an axis and a central outlet channel communicating, on the one hand, with the central chamber and, on the other hand, with the outside, and a receptacle including the liquid to be dispensed and pressurized gas. The dispensing nozzle also includes a peripheral supply chamber and a peripheral outlet channel, the peripheral supply chamber communicating with the pressurized gas through a valve which is closed when a push-button is at rest and open when the push-button is actuated.

Abstract: A self-contained spray painting system includes a spray gun for spraying paint under pressure, and a spherically shaped paint container attached to the spray gun for holding a quantity of paint to be sprayed. A flexible pick-up extends into the container and includes a weighted head that moves along an inner surface of the container and remains at the lowest point thereof as the container is moved through different orientations, whereby the pick-up remains immersed in paint in the container. The weighted head also functions to mix the paint as the container is moved through different orientations during use. An external purge system is connected with the paint inlet of the gun and is selectively operable to supply air under pressure through the paint inlet and nozzle to clean paint residue and other foreign matter from the gun at the conclusion of a painting operation.

Abstract: A premixing-type spray gun which mixes a paint and compressed air inside the atomizing head thereof and sprays out the mixture as atomized from the spray hole, having a flow control valve to adjust the sectional area of the paint supply path communicating with the paint nozzle or having a relief valve disposed downstream of a throttle path made of the inlet path through which the spraying air pressure is partially supplied into the pressurizing container.The flow rate of the paint can be adjusted independently of the trigger operation of the spray gun, and the amount of the paint suppled under pressure can be controlled, thereby keeping a stable spray amount.

Abstract: An improved check valve for portable paint cup spray guns having a radially extending concave diaphragm surrounding a syphon tube and forming a seal with an interior surface of a lid of the paint cup.

Abstract: A spray gun designed for utilization with low pressure and high volume air supplies to obtain high product transfer efficiencies. The spray gun is designed for connection to an air supply at two locations on the gun with one location providing non-pressure bleeding connection to the air supply and with the other allowing air to continually flow through the gun. The design of the gun is particularly sized with internal passages to allow high CFM and low PSI functions. An air cap assembly to control spray patterns for vertical, horizontal and circular sprays is arranged on the outlet end of the gun. The unit as designed eliminates the utilization and requirement of exterior valving and air control mechanisms.

Abstract: A paint cup and lid assembly for a spray gun of the type operated from a source of compressed air. A shroud connects the paint cup to the spray gun. The shroud is indexed between a first position which provides for pressure assisted paint feed and a second position which provides for suction paint feed.

Abstract: A spray dispenser including a hollow casing, having sockets in each of which a pair of O-ring seals is mounted. A ball valve is urged toward one of the O-ring seals of each socket. A housing is removably mounted in the casing. Hollow lugs on the housing each having a cylindrical outer face are received inside O-ring seals in sealing relation therewith. Each lug unseats the associated ball valve. When the housing is removed, the ball valve seats against one O-ring seal when the housing is removed from the casing while the lug is in sealing engagement with the other O-ring seal. Compressed air and liquid under pressure are directed through the sockets to a dispensing valve member on the housing, and the pressure need not be released when the housing is removed.

Abstract: A smoke generator having an air-powder mixing container with vacuum line achment to a mechanical smoke dispersing apparatus. The container has funnel shaped side walls to direct powder to a reduced container bottom. A pressurized input line extends to a point on the container bottom as does a vacuum powder outlet line. The powder outlet line is connected to a venturi mounted to the exhaust port of a small turbine engine. This draws the air-powder mixture from the container directly into the turbine exhaust and into the atmosphere.