348results about "Spray discharge apparatus" patented technology

The invention discloses a water ion generation method and device based on atomization and discharge plasmas, and is characterized in that the method adopts a method of synergistic effect of atomized liquid drops and discharge plasmas, water ion particles are efficiently generated through the synergistic effect of the atomized liquid drops and the discharge plasmas, and the method specifically comprises the treatment steps of atomization, discharge and the like. The water ion generation device comprises an atomization module, a discharge module, a barrier layer electrode group and a control module. Compared with the prior art, water ion particles are efficiently generated through the synergistic effect of atomized liquid drops and discharge plasma, so that water ions and the technology thereof can be widely applied to the fields of air purification, beauty and hairdressing, sterilization and disinfection and the like, and good application prospects and commercial development values are achieved.

The invention relates to a counter-ion adsorption high-voltage electrostatic spraying device and application thereof to preparation of a food sugar coating, and belongs to the technical field of equipment machinery and food processing. The device comprises a material conveying system, a high-voltage electrostatic spraying system, a sugar liquid supply system, a gas supply system, a sugar liquid recovery system, a microwave vacuum drying system and a control cabinet, the sugar liquid supply system and the gas supply system are both connected with the high-voltage electrostatic spraying system, the material conveying system is arranged below the high-voltage electrostatic spraying system, the material conveying system is connected with the microwave vacuum drying system, and the sugar liquid recovery system is further arranged below the material conveying system; the above systems are all controlled by a control cabinet. Through pulse switching of a high-voltage electrostatic field and a sugar liquid material, counter-ion charge accumulation of sprayed sugar liquid is realized, namely, positive charge sugar liquid (chitosan and the like) and negative charge sugar liquid (Arabic gum, carrageenan and the like) are alternately sprayed under the high-voltage electrostatic field, so that electrostatic adsorption and directional deposition of the sugar liquid on the surface of food are realized.

The invention relates to an electrostatic powder sprayer which comprises a gun body, a high-voltage module, an air duct assembly, a scattering head and an electrode needle. The air duct assembly comprises a spray pipe, the spray pipe is provided with a first channel and a positioning column coaxial with the first channel, the end, facing the scattering head, of the positioning column is provided with a step and a first through hole, the outer surface of the spray pipe is provided with a first groove, the first through hole is communicated with the first groove, and the scattering head detachably sleeves the step through a second through hole. The electrode needle penetrates through the first through hole and the second through hole, and the two ends of the electrode needle penetrate out of the second through hole and the first groove respectively. The electrostatic powder sprayer has the following advantages that only the scattering head can be disassembled and assembled, and the replacement difficulty is small; the scattering head is sleeved on the step, the precise mounting position of the scattering head can be ensured due to the limitation of the step, and the electrode needle only needs to penetrate through the second through hole section again; through the design of the first groove, the state of the electrode needle can be observed after the electrode needle penetrates out of the first through hole, and penetrating of the electrode needle is facilitated.

The present invention relates to an electrostatic spray device comprising: a water tank unit having one open side and accommodating a liquid base solution; an electrode unit, which applies power to the base solution so as to generate a potential difference for droplet formation of the base solution; and a nozzle unit which is provided inside the water tank unit and which discharges the base solution in the droplet form by means of the potential difference, wherein the nozzle unit has a lower portion immersed in the base solution, and thus can autonomously absorb the base solution. Therefore, the present invention can spray micro-droplets by means of electrostatic spraying.

A spray device includes: a housing having a discharge opening; an electrode positioned near the discharge opening; an electrostatic generator coupled to the electrode; a compartment for receiving a pressurized canister of a chemical product having a valve movable between a closed position and an open position, the compartment configured to position the valve in fluid communication with the discharge opening; an actuator configured to move the valve between the open and closed positions; and an electronic controller programmed to: power the electrostatic generator; and operate the actuator to open the valve.

An electrostatic coating system including of a novel technique of height adjustment through pressure sensing and feedback mechanism in twin-phase air-assisted and forced-liquid flow based electrostatic nozzle(s). A variable height electrostatic edible coating system provides uniform and efficient coating to ensure shelf-life extension, improved nutritional value and enhanced sensory attribute.

A disposable fluid delivery system for an electrostatic applicator. The system includes a nozzle cap including a distal end including a delivery outlet and an open proximal end. A nozzle housing can be included with a proximal inlet end and an open distal end connected to the open proximal end of the nozzle cap. A conductive insert is at least partially positioned between the open distal end and the proximal inlet end and includes a portion of a flow pathway formed at least partially between the nozzle cap, the nozzle housing, and the conductive insert. A high voltage connector is extended at least partially through the nozzle housing and electrically connected to the conductive insert and configured to be in electrical communication with a high voltage module and electrostatically charge fluid contents within the flow pathway.

A coating apparatus can include a spray applicator configured to discharge a coating material toward a surface of a workpiece, wherein the spray applicator includes an air shaping orifice, and wherein the spray applicator is configured to generate an electric field between the spray applicator and the workpiece, and a positioning system configured to adjust a position of the spray applicator relative to the surface of the workpiece. It can further include a control system configured to regulate operation of the spray applicator and / or the positioning system to: maintain the spray applicator within a coating distance, maintain a flow rate of shaping air through the air shaping orifice, and maintain an electrical potential of the electric field.

This invention provides an electrostatic generation device for an atomizer. It solves the problem of poor spraying effect of the atomizer. When this utility model is used, the fan blows air through the water outlet pipe, and part of the airflow passes through the pressure tube into the water tank, continuously increasing the air pressure inside the water tank. The greater pressure forces the liquid inside the water tank into the inlet pipe and along the inlet pipe into the guide tube, spraying out from the guide tube in the direction away from the fan through the water outlet pipe. The liquid is electrified by the charged metal valve core, and the electrostatically charged liquid is sprayed out through the air outlet, forming electrostatically charged atomized particles. The spray can easily adhere to the object being sprayed, resulting in a higher spraying efficiency.

Described are an apparatus for generating and collecting nanospray reactive droplets and a method for analyzing a protein digestion. The apparatus includes a capillary, counter electrode, collection vessel, electrostatic lenses, and voltage control module. The capillary receives a mixture that includes a protein and an enzyme and has an outlet disposed in the aperture to dispense the mixture. The collection vessel has a concave surface to receive a nanospray plume emitted from the capillary outlet. The counter electrode and electrostatic lenses are disposed along a nanospray path defined between the capillary outlet and the collection vessel. Each electrostatic lens is formed of an electrically conductive plate having an aperture therein to pass a nanospray reactive plume. The voltage control module is in electrical communication with and is configured to independently control the voltage of the capillary, the counter electrode, the collection vessel and each of the electrostatic lenses.

Methods, systems, devices, and apparatus for dispensing a predetermined amount of fluid to a surface of an eye. A dispensing system includes one or more vial assemblies, each vial assembly including a vial housing and a cup-shaped member coupled to the vial housing to form a hermetically sealed fluid compartment within the vial housing for holding a fluid. The one or more vial assemblies also include a dispensing mechanism coupled to the cup member and configured to dispense a predetermined amount of fluid. The dispensing system also includes a reusable electrically powered dispensing actuator configured to be removably coupled to a vial assembly of the one or more vial assemblies by sliding into the cup member and activate the dispensing mechanism to draw fluid from the hermetically sealed fluid compartment and dispense fluid through the dispensing tip.

The present invention discloses an electrostatic rotary cup spray gun. The atomizer base assembly, the electrostatic high-voltage generator assembly, and the atomizing rotary air flow control unit have a self-cleaning function for cleaning the rotary cup assembly and the structure that realizes the paint conveying function, thereby ensuring that the color-changing paint switching and the process cleaning are free of impurities; in addition, the shaping air ring assembly, the atomizer base assembly, the electrostatic high-voltage generator assembly, and the atomizing rotary air flow control unit have the function of quantitatively adjusting the cyclone angle and range of the shaping air, thereby achieving the effect of accurately adjusting the spray width of the paint atomized particles; finally, the characteristics of cleaning the inner and outer surfaces of the rotary cup and the paint delivery pipe, accurately switching the paint supply, cleaning the color-changing paint and the process without impurities, and the closed-loop control of the rotary cup rotation speed and the atomizing shaping air intake volume can be precisely regulated.

This invention discloses a gas-assisted coaxial electrostatic spraying device and a method for preparing aluminum-based energetic composite materials. The device includes a gas-liquid flow transport unit, an electrostatic generator, and a receiving plate. The gas-liquid flow transport unit includes an outer tube and an inner tube coaxially fitted together, forming an airflow cavity between the outer and inner tubes. The inner tube includes a liquid-passing pipe and a nozzle coaxially connected together, with a liquid spraying port at the front end of the nozzle. The airflow cavity is closed at the rear end and has an air outlet at the front end corresponding to the liquid spraying port. An air inlet is provided on the side wall of the outer tube, which is connected to a gas transport device via a pipe. The gas transport device is used to deliver gas into the airflow cavity. The electrostatic generator acts on the nozzle to enable the droplets sprayed by the nozzle to carry a charge, and the droplets can form powder at the receiving plate. This invention achieves the preparation of energetic composite materials based on large-size aluminum matrix through gas-phase assistance, improving the preparation efficiency of energetic composite materials; and improves the ability to control the particle size of the product by controlling the airflow field.

A gun body for an electric spray gun with an amplitude adjustment structure positioned on top, comprising a gun body, a material container, a nozzle assembly, and a material needle. The gun body includes a first channel, a second channel, a third channel, and a coating channel, with an amplitude adjustment assembly installed on the gun body. The nozzle assembly has a primary atomization channel and a secondary atomization channel. The primary atomization channel, and the interior of the material container, while the third channel is connected to the coating channel. The amplitude adjustment assembly controls the communication between the first and second channels and adjusts the gap size between them. The gun body not only allows switching between circular and elliptical spray patterns but also controls the gap size between the first and third channels during the rotation of the amplitude adjustment knob.

To provide an electrostatic coating device and an electrostatic coating method capable of expanding the adjustment width of a discharge amount of liquid and more accurately controlling a discharge mode of the liquid.SOLUTION: An electrostatic coating device 1 comprises: a syringe 10 having a storage space 11 and a nozzle 12; an opposing electrode 41 that is disposed to face the syringe 10; a voltage generator 42 that applies a voltage between the syringe 10 and the opposing electrode 41; a pressure generator 22 that applies pressure to the storage space 11; a measuring device 50 that measures a property of liquid 2 in the storage space 11; and a control device 30. The control device 30 synchronously varies a voltage applied by the voltage generator 42 and a pressure applied by the pressure generator 22 to discharge the liquid 2 from the nozzle 12, and changes the voltage value and the pressure value on the basis of a measurement value obtained by the measuring device 50.SELECTED DRAWING: Figure 2

The powder supply mechanism for the electrostatic powder spray gun comprises a powder barrel and a flow dividing piece, and the powder barrel is detachably connected to a shell of the electrostatic powder spray gun; the flow dividing piece is configured to communicate the powder barrel with the nozzle and is used for fluidizing powder in the powder barrel; the flow dividing piece comprises an air inlet pipe located in the powder barrel, the air inlet end of the air inlet pipe communicates with the fan assembly, and at least two air outlets are formed in the air outlet end of the air inlet pipe. According to the powder supply mechanism for the electrostatic powder spray gun, at least two air outlets are formed in the air outlet end of the air inlet pipe, and the air flowing out of the air inlet pipe is shunted through the two air outlets, so that the blowing direction and the blowing range of the air to powder in the powder barrel are increased, the flowability of the powder in the powder barrel is enhanced, and the fluidization property of the powder is enhanced; and the caking probability is reduced, so that the powder can uniformly flow into the nozzle, powder particles are more easily charged by an electrostatic field, and the electrostatic spraying efficiency and the adsorption effect are improved.

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.

A portable, hand-held electrospinning or electrospraying apparatus and system, method, and portions thereof, comprised of a durable portion of the hand-held apparatus and a consumable portion of the hand-held apparatus. The consumable portion of the hand-held apparatus, which may contain the solution to be output in electrospin or electrospray fashion, may be replaced in whole or in part to provide additional or alternative solution. A base station may be provided, and can output high voltage and communication signals to the hand-held apparatus to enable the electrospin or electrospray operation by the hand-held apparatus.

An electrospray apparatus comprising a capillary emitter.

Multi-component product injection module and coating product sprayer comprising such a module. The present invention relates to a multi-component product injection module for a coating product sprayer, this injection module comprising an injector and a cartridge (40) forming a static mixer and defining, within a mixing body (402), a mixing path (T1) for the multi-component product, equipped with fluid mixing baffles (410). A developed length of the multi-component product mixing path (T1) is strictly greater than a length (L402) of the mixing body (402), measured parallel to a longitudinal axis (X40) of the cartridge (40). Figure for the abstract: Figure 3

An electrostatic spraying device includes an electrostatic spraying main body configured to contain a liquid containing portion of a tubular cartridge having the liquid containing portion that contains a liquid and a nozzle for spraying the liquid. The electrostatic spraying main body includes a power source unit for supplying a voltage to the liquid, a containing space that contains the liquid containing portion, and a tubular housing internally having at least the power source unit and the containing space. The power source unit and the containing space are disposed at positions that do not overlap in a first direction of the housing and are disposed at positions where the power source unit and the containing space at least partially overlap in a second direction perpendicular to the first direction.

To provide a removal device that can remove aerosols from a target space while suppressing the occurrence of health damage. [Solution] An aerosol removal device 1 for removing aerosols floating in a target space 900 to which bacteria or viruses are attached, comprising: an electrostatic spray head 14 that sprays electrostatically charged particles of a disinfectant aqueous solution or water to capture aerosols in the target space 900 with the electrostatically charged particles; and a recovery unit 16 that collects the electrostatically charged particles that have captured the aerosols, and a housing 11 that houses the components of the aerosol removal device 1, wherein the electrostatic spray head 14 sprays electrostatically charged particles toward the downstream side of the housing 11, thereby generating an airflow that causes aerosols in the target space 900 to flow into the housing 11 from the upstream side of the housing 11.

To provide an electrospray device that enables imaging of a liquid spraying state with reduced installation space.SOLUTION: An electrospray device includes a nozzle that sprays a liquid by an electrospray method, a mirror that reflects the liquid sprayed from the nozzle, and an imaging unit that is provided on a base end side relative to a tip end of the nozzle and captures an image of the liquid reflected in the mirror.SELECTED DRAWING: Figure 1

A spray bowl for a liquid coating product, a rotary spray coater comprising such a bowl and a method of applying a coating product with such a spray coater. The invention relates to a spray bowl (6) for a liquid coating product intended to be mounted in a rotary coating product sprayer and comprising a body (60) centered on a longitudinal axis (X6), defining a radially inner surface (61) for dispensing the coating product to a circular spray edge (63) centered on the longitudinal axis, the circular spray edge is provided with a plurality of grooves (66i) formed in the radially inner distribution surface (61) and uniformly distributed around its circumference. The linear density (DL66) of the grooves (66i) along the circular sprayed edge (63) is greater than or equal to 4 grooves per millimeter. The opening angle (alpha66) of each groove (66i) is less than or equal to 45 degrees.

The present invention relates to a liquid substance dispensing device, and the liquid substance dispensing device of the present invention is characterized by comprising: a nozzle part capable of dispensing a liquid substance; a liquid substance storage unit connected to the nozzle unit in a state in which a liquid substance is accommodated; a first temperature adjustment unit disposed in the nozzle unit so as to adjust the temperature of the liquid substance passing through the nozzle unit; and a gas supply unit that supplies a heated or cooled gas toward the liquid substance application site in order to control the temperature of the liquid substance application site.

The present disclosure relates to an apparatus and method to achieve electrospray ionization at femtoliter / minute to nanoliter / minute flow rates including relatively rapid alternation between such flow rates within the same device. These flow rates provide enhanced and relatively more uniform ionization of sprayed compounds for subsequent analytical evaluations.

A liquid dispensing system (10) for dispensing highly viscous liquids such as lubricating oil. The system (10) includes a nozzle body (20) and elongated electrode (22) that define an annular liquid flow passage (46) communicating with a protruding conically configured terminal end (40) of the electrode. An end cap of the nozzle body defines a plurality of circumferentially spaced discharge orifices (49a) about the electrode (22) for controlling the discharge of electrically charged liquid onto the terminal end of the electrode for direction therefrom in a thin line, having a width of less than 0.1524 cm (0.06 inches).

A plasma nano mist generation device includes: a discharge tube into which a solution is injected, the discharge tube being configured by a dielectric material; a liquid feeding unit configured to feed the solution into the discharge tube; an electrode provided in the discharge tube; a voltage application unit configured to apply a voltage to the electrode; a ground electrode provided on a side of a distal end of the electrode and on an outer periphery of the discharge tube, the ground electrode being grounded in the device itself; and a controller configured to control the liquid feeding unit and the voltage application unit such that the solution is fed to the discharge tube and a voltage is applied to the electrode in order to generate dielectric barrier discharge on the side of the distal end of the electrode to generate plasma nano mist.

To provide a charged water particle spraying system that can ensure high fire and smoke extinguishing performance by spraying charged water particles under optimal spraying conditions according to the type of smoke or the type of fire. [Solution] A charged water particle spraying system that moves to a spray target area, identifies the type of smoke, and sprays charged water particles into the spray target area under spray conditions according to the type of smoke. It is equipped with a detection circuit unit (106) that sucks in a particulate mixture generated by a fire and detects smoke particles, and an identification unit (122) that identifies the type of smoke based on the comparison results of multiple detection values ​​detected by the detection circuit unit (106).The identification unit (122) identifies the type of smoke as either cellulose-based smoke or hydrocarbon-based smoke, and sprays charged water particles under spray conditions according to the identification result of whether the smoke is cellulose-based smoke or hydrocarbon-based smoke.

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.