24results about "Spray discharge apparatus" patented technology

An applicator for electrostatic deposition of dry powder on a grounded continuous moving electrically conductive web is provided that includes a powder feeding system, at least one powder dispenser, an electrostatic deposition chamber, and at least one wire electrode in the electrostatic deposition chamber. An opening of a powder dispenser outlet is arranged along the latitude of the electrically conductive web, and the ratio of the width of the outlet opening and the coating width of the web is in the range of 0.25-1.0. The powder dispenser has a defined angle relative to the web and a vertical distance between the powder dispenser outlet and the web. The first wire electrode generates a corona discharge zone with a radius and have a vertical distance between the web.

This invention discloses a spray drying system for drying a liquid into a powder, comprising: an elongated body; and closed arrangements at opposite upper and lower ends of the elongated body for forming a drying chamber within the elongated body. One of the closed arrangements includes a drying gas inlet for guiding drying gas into the drying chamber. A nozzle assembly is supported in one of the closed arrangements. The lower closed arrangement includes a powder collection container for collecting the dried powder in the drying chamber. The powder collection container is configured such that a covering gas can be guided into the interior of the powder collection container to cover the powder in the powder collection chamber, thereby protecting the powder from exposure to the drying gas from the drying chamber.

This ensures high smoke suppression and fire extinguishing performance from the very beginning of the application of charged water particles to the target area. [Solution] The charged water particle spraying system sprays charged water particles, which are sprayed by multiple charged spray heads, onto a target area, and detects the charge polarity of the particulate mixture generated in the target area due to a fire using a charge detector 80. The control unit 21 initially sets the charged water particles to be sprayed onto the target area to be negatively charged before the charge polarity of the particulate mixture is detected by the charge detector 80, and when the charge polarity of the particulate mixture is detected as negative by the charge detector 80, it controls the switching of the charge polarity of the charged water particles sprayed onto the target area from the initially set negative polarity to positive polarity.

To provide a removal device capable of removing an aerosol in a target space while suppressing generation of health damage.SOLUTION: An aerosol removal device 1 that removes aerosols floating in a target space 900 and to which bacteria or viruses are attached, and includes a charged spray head 14 that sprays charged particles in which an aqueous disinfectant solution or water is charged to capture aerosols in the target space 900 on the charged particles, a collection unit 16 for collecting the charged particles that have captured the aerosol, and a housing 11 for housing constituent elements of the aerosol removal device 1, wherein the charged spray head 14 sprays charged particles toward the downstream side of the housing 11 to generate an airflow that causes the aerosol in the target space 900 to flow into the housing 11 from the upstream side of the housing 11.SELECTED DRAWING: Figure 1

A rear casing is disclosed for a spray gun that has a handle part and a gun barrel connected to the handle part. The rear casing can be removably and exhangeably attached to the rear side of a main body of the spray gun and has a first region designed as a handle casing and a second region designed as a covering casing for rear-side covering of a rear region of the gun barrel. At least one connection element is provided on the second region of the rear casing for optionally forming a removable connection to a part having, for this purpose, at least some portions with a design complementing that of said connection element. In particular, according to the invention, the entire rear casing, together with the at least one connection element, is designed as a monolithic plastic component, in particular a plastic injection moulded molded part.

This ensures a high level of safety even if an insulation failure occurs in the electrostatic spray head. [Solution] The charged water particle spraying system comprises a plurality of charged spray heads 32, each having an induction electrode section 60 and a water-side electrode section 62, a high-voltage power supply unit 18, and an abnormal current detection circuit 74. The induction electrode section 60 is connected to the high-voltage power supply unit 18 via individually provided switch circuits 75, and the water-side electrode section 62 is connected to the high-voltage power supply unit 18 via a common switch circuit 77. When the abnormal current detection circuit 74 detects a current abnormality, if the application of voltage to the charged spray head 32 in which the current abnormality was detected is to be stopped, the switch circuit 75 corresponding to that charged spray head 32 is turned off to disconnect the induction electrode section 60 from the high-voltage power supply unit 18. If the application of voltage to all charged spray heads 32 is to be stopped, all switch circuits 75 and switch circuits 77 are turned off to disconnect the induction electrode section 60 and the water-side electrode section 62 from the high-voltage power supply unit 18.

A disposable fluid delivery system for an electrostatic applicator. The system includes a nozzle housing including an air supply port, a voltage port, and a delivery outlet. A voltage wire has a contact in communication with a delivery tube in fluid communication with the delivery outlet. A syringe includes a barrel portion and a plunger configured to advance fluid from within the barrel portion and through the delivery tube. A cartridge housing can at least partially enclose the nozzle housing, the voltage wire, and the syringe.

The electrostatic coating plant includes an abnormality detection unit that detects abnormalities of a bumper. The detection of the abnormalities can be based on the difference between the level of the high voltage outputted from a high voltage generator, and the voltage level obtained when the electrostatic coating machine, which is not spraying coating material, is placed at a measurement position opposite to and separated by a predetermined separation distance from multiple measurement points on the bumper, arranged at the coating position, and lines of electric force are formed to the bumper with a constant current level.

The present application relates to the technical field of sheet-shaped emitter made of non-metallic material, and provides an electro-wetting-based non-metallic sheet electrostatic spraying device and method thereof, the device comprising a liquid storage tank, a coarse inner diameter capillary, a connector and a sheet-shaped emitter made of non-metallic material. The liquid storage tank is used for storing and providing the liquid to be sprayed; the coarse inner diameter capillary is horizontally arranged and communicates with the liquid storage tank for conveying the liquid; the connector is arranged at the outlet end of the capillary; the emitter is arranged at the outlet end of the capillary and is spaced apart from the capillary, and the emitter is connected with the capillary through the connector. Under the action of an applied electric field, a liquid film is formed on the surface of the emitter, the liquid spreads along the surface of the emitter to the edge and forms a Taylor cone and a conical jet. The electro-wetting film formation on the outer surface of the emitter and the synergistic effect of geometric field strengthening enable the formation of a stable Taylor cone and a conical jet of a high-surface-tension liquid at the edge of the non-metallic emitter, thereby realizing low-voltage spraying and a wide and stable window.

This invention relates to a mist deposition apparatus and a mist deposition method that atomizes a solution containing fine material particles (nanoparticles) into a mist and sprays it onto a substrate to be treated, thereby forming a thin film of the material on the surface of the substrate. [Solution] A film-forming apparatus for supplying a mist containing fine particles to a substrate and forming a film containing fine particles on the surface of the substrate comprises an air guide member that covers at least a portion of the surface of the substrate, and a mist supply unit that supplies mist to the space between the surface of the substrate and the air guide member, wherein the mist supply unit includes a charge application unit that positively or negatively charges the mist, and a mist ejection unit that ejects the mist charged by the charge application unit into the space, and the air guide member has a wall surface facing the surface of the substrate and includes an electrostatic field generating unit that generates a potential on the wall surface with the same sign as the mist charged by the charge application unit.

A disposable cartridge is disclosed that can be removably disposed in an electrostatic applicator. The disposable cartridge can include a cartridge housing and a nozzle positioned at and extended at least partially away from a distal end of the cartridge housing. The nozzle is configured to deliver the treatment solution to a treatment site and configured to be in fluid communication with an air propulsion mechanism of the electrostatic applicator. At least one electrode can be included to electrostatically charge and ionize molecules of the treatment solution of the cartridge so that the at least one electrode contacts the treatment solution and applies an electrical charge to the treatment solution.

The utility model provides a kind of high-speed electrostatic rotary cup for manipulator, belong to the field of automatic spraying technology, including shell body, further include: air spray cover, screw thread is connected in the top of shell body, and only be provided with spray hole on the top of air spray cover and inside wall, mounting seat, is installed in the top of motor rotating shaft, dismounting structure, is arranged in the outside of mounting seat, gas guide structure, is arranged in the outside of driving motor.In the utility model, by push-pull electromagnet energization pull down sliding ring, reset spring is compressed, so that fixed bead is withdrawn from the recess of cup cap, the locking of cup cap is released, cup cap can be removed and replaced, whereby the device is easily replaced function, cup cap can be quickly replaced to greatly shorten equipment downtime, ensure the continuous operation of automatic spraying line, improve production efficiency, simplify replacement process can reduce professional tool dependence, ordinary operator can complete.

A method for producing a wearable coating having a solid material fixed on skin, the method comprising: A) a step of placing one or more solid materials selected from the group consisting of a powder, a granule, a film, a fiber, a flat material, and a cubic material other than these, on a skin surface; B) a step of, after the step A), electrostatically spraying a composition X comprising the following component (a) and the following component (b) directly on the skin to thereby form a coating on the skin surface: (a) one or more volatile substances selected from the group consisting of water, an alcohol, and a ketone, and (b) a polymer having a coating forming ability; and after the step B) or before the step A), C) a step of applying a composition Y, other than the composition X, comprising one or more components selected from the group consisting of the following component (c) and the following component (d) to the skin: (c) an adhesive polymer, and (d) an oil.

The application discloses an electromagnetic cooperative spraying device and a spraying method, and relates to the technical field of spraying. The method comprises the following steps: S1, electrifying a spraying material to form a charged particle flow; S2, guiding the charged particle flow to the direction of a workpiece to be processed; S3, applying at least two overlapping magnetic fields on the transmission path of the charged particle flow, so that the charged particle flow is deflected when passing through the at least two overlapping magnetic fields; and S4, adjusting the strength or overlapping mode of the at least two overlapping magnetic fields, so as to control the deflection range and landing point distribution of the charged particle flow, and to adjust the coating thickness distribution of the spraying surface of the workpiece to be processed.

An electrostatic applicator is disclosed and includes a housing. An electrostatic module (e.g., a high-voltage (HV) electrostatic module) can be inside the housing. A reservoir can be removably attached to an outer surface of the housing. The reservoir can include a cavity adapted to contain a fluid (e.g., an aqueous solution). At least one nozzle can be fluidly connected to the reservoir when the reservoir is attached to the outer surface of the housing, the at least one nozzle being configured to emit fluid in a direction along a flow pathway, and including a high voltage (HV) electrode housing electrically attached to the electrostatic module. An electrode assembly can be included with a plurality of electrodes electrically attached to the electrostatic module configured to electrostatically charge the fluid.

This utility model provides a water-based paint electrostatic spray gun, including a spray gun body and a stepped pressing head. A high-voltage electrostatic generator is installed at the nozzle of the spray gun body, and a nozzle is installed at the left end of the high-voltage electrostatic generator. A paint tube is threadedly installed at the lower end of the nozzle, and a plastic fixing cylinder is inclinedly fixed at the upper end of the nozzle by hot melt adhesive. A metal inner cylinder is inclinedly glued inside the plastic fixing cylinder, and a stepped hole is opened through the upper end of the metal inner cylinder. This design solves the problem that residual impurities (such as pigment particles) in water-based paint are easy to accumulate at the nozzle, and traditional spray guns require frequent shutdowns for cleaning. Disassembling the nozzle requires special tools and is time-consuming. This utility model adopts an elastic unclogging rubber pusher structure, which can quickly push out and clean the residual impurities of water-based paint accumulated at the nozzle without the need for special tools for disassembly and assembly, saving time and effort.

An electrospray ionization emitter according to various aspects described herein can include an emitter body formed using fused silica. The emitter body can comprise a fluid conduit segment that includes a liquid connection end that has been coated with polyetheretherketone (PEEK) on at least one portion thereof. The liquid connection end can have a first outer diameter that is configured to be connected to a sample source to receive a sample liquid for ionization therefrom. The emitter body can further comprise an ionization discharge segment that is fluidly connected to the fluid conduit segment. The ionization discharge segment can have an ionization discharge end that is coated with a conductive material on at least one portion thereof and configured to have a second outer diameter that allows ionization of the liquid sample.

The present invention relates to a powder coating gun with a motorized and multi-angle nozzle for use in electrostatic powder coating guns, enamel coating guns, powder coating and enamel coating booths.

The present invention relates to a coating apparatus (e.g. a painting robot) for coating parts (e.g. automotive body parts) with a coating agent (e.g. paint), comprising a protected area (8) which is explosion-proof due to an explosion hazard (e.g. due to an explosive atmosphere, e.g. gas or dust) and / or which is under high voltage during operation, a non-protected area (9) which is not explosion-proof because an explosion-proof atmosphere does not prevail during normal operation or only occasionally and very rarely does an explosion-proof atmosphere prevail and / or which is at ground potential during operation, a number of sensors (10-13) arranged in the protected area (8) for measuring process variables of the coating apparatus, a data interface (16) for external data communication arranged in the non-protected area (9), and a transmission system (21) for transmitting data between the sensors (10-13) in one protected area (8) and the data interface (16) in the other non-protected area (9). Furthermore, the invention provides a collector (14) in the protected area (8), on the one hand the collector (14) is connected to the sensors (10-13) for receiving measured values ​​of process variables from the sensors (10-13), and on the other hand the collector (14) is connected to a transmission system (21) for transmitting the measured values ​​of the sensors (10-13) to the data interface (16).

The invention relates to a method of depositing a substance onto a substrate (6), comprising:providing a substrate (6) at a distance from a conducting spraying nozzle (1), said spaying nozzle (1) having an outlet (2);providing a liquid composition containing the substance to the spraying nozzle (1);generating electrically charged liquid droplets from the liquid composition between the outlet (2) of the spraying nozzle (1) and the substrate (6), by providing compressed gas around the liquid composition flowing out of the outlet (2) of the spraying nozzle (1) and by providing an electric field downstream of the outlet (2) of the spraying nozzle (1); andcollecting the generated liquid droplets on the substrate (6).The invention also relates to an installation for carrying out this method.

A disposable fluid delivery system for an electrostatic applicator, is disclosed. The system can include a cartridge housing to store an aqueous solution and a nozzle housing. A high voltage contact can be electrically attached to a delivery tube at least partially within the nozzle housing, the high voltage contact in electrical communication with a high voltage module and configured to electrostatically charge fluid contents within the delivery tube. A cartridge retention system can be positioned at least partially with an outer surface of the cartridge housing, the cartridge retention system configured to engage with and retain the cartridge housing in a connected configuration with a cartridge receiving chamber of an applicator housing of the electrostatic applicator.

The present application relates to a kind of electrostatic atomization systems, including multiple first spray head along first straight line, for storing first solution and supply the first solution to the multiple first spray head first liquid tank, for applying first high voltage to the first solution first high voltage generation module, multiple second spray head along second straight line, for storing second solution and supply the second solution to the multiple second spray head second liquid tank and for applying second high voltage opposite to the first high voltage polarity second high voltage generation module.The first spray of the multiple first spray head can be mixed with the second spray of the multiple second spray head to generate mixed spray.The present application can greatly improve atomization amount by the form of positive and negative spray collision, so as to meet the demand of aerosol particle size adjustable and high flow simultaneously.In addition, the spray head of straight line arrangement can also achieve the effect of space saving.

This invention discloses a precise automatic makeup device and method based on facial recognition and safe electrostatic adsorption, belonging to the fields of intelligent beauty equipment, facial recognition, and electrostatic atomization adsorption technology. This invention aims to solve the problems of cosmetic waste, uneven makeup application, inaccurate positioning, and insufficient electrostatic safety in existing automatic makeup equipment. The device includes a nozzle, a facial recognition system, multi-diameter replaceable conduits, a low-voltage safe electrostatic module, an atomizing device, a power valve, a control unit, and a storage bottle. Its working principle is as follows: the facial recognition system locks onto the makeup area; conduits of equal length and thickness but different diameters control the spray precision, allowing the cosmetic to be atomized and carry a tiny positive charge, which is then directionally and evenly adhered to the face under gentle electrostatic adsorption, achieving precise, efficient, and safe automatic makeup. The beneficial effects of this invention include: significantly improved cosmetic utilization, even and smooth makeup application without caking, precise positioning without smudging, safe and non-irritating use, and convenient operation. It can be widely applied in the fields of personal beauty and intelligent makeup equipment.