Abstract: A droplet oscillation device includes upper and lower electrodes, a changing mechanism, a sensor and a controller. The lower electrode is configured to support a substrate thereon. The changing mechanism is configured to change a distance between the upper and lower electrodes. The sensor is configured to detect a droplet formed above a surface of the substrate opposite the upper electrode. The controller is configured to vary an applied voltage between the upper and lower electrodes to oscillate the droplet, and to determine whether the droplet is detected by the sensor. The controller is configured to respectively determine whether the droplet is detected under a plurality of conditions for which a frequency of the applied voltage or the distance are different, and to oscillate the droplet at the frequency and the distance of a condition for which the droplet is detected and for which the distance is greatest.

Abstract: An electrostatic spraying device comprises a capillary spray electrode having a spraying end, a reference electrode, and a reservoir in fluid communication with the spray electrode. In use, the electrodes are connected across a generator in order to establish an electric field between the electrodes and cause fluid in the reservoir to be sprayed from the spray electrode. The spray electrode has a focus that defines a point at which the electric field is focused on the spraying end.

Abstract: A process is provided for dispersing suspended particles in the air comprising: providing a generator apparatus for producing one or more propagating fluid vortex rings transporting ionized particles; directing the generator apparatus in a direction toward suspended particles in the air to be dispersed; generating a fluid vortex ring transporting ionized particles using the generator apparatus such that the fluid vortex ring travels to the suspended particles resulting in at least a portion of the ionized particles engaging and applying a charge to at least a portion of the suspended particles. The charged suspended particles are then attracted to one another or to nearby surfaces.

Abstract: An electrostatic spraying device comprises a capillary spray electrode having a spraying end, a reference electrode, and a reservoir in fluid communication with the spray electrode. In use, the electrodes are connected across a generator in order to establish an electric field between the electrodes and cause fluid in the reservoir to be sprayed from the spray electrode. The spray electrode has a focus that defines a point at which the electric field is focussed on the spraying end.

Abstract: An electro-hydrodynamic wind energy conversion system is presented. The system includes a wind passage allowing wind flow. Further, the system includes a reservoir having an opening in communication with the wind passage and configured to hold a liquid. The system also includes an agitator coupled to the reservoir and configured to convert the liquid into droplets. Additionally, the system includes a charging system disposed substantially opposite the reservoir opening and configured to deposit an electrostatic charge on the droplets and draw the droplets into the wind passage. Moreover, the system includes a charge collector disposed at a distal end of the wind passage and configured to collect the electrostatic charge from the droplets.

Abstract: Disclosed is a discharge device (20) which comprises a power supply unit (22) that supplies a first voltage, a piezoelectric transducer (24) that increases the first voltage to a second voltage by means of vibrations, and a first electrode (26) for producing a discharge product (P) by performing a discharge upon application of the second voltage. The first electrode (26) and the piezoelectric transducer (24) are electrically connected with each other via a vibration damping unit (30). In other words, the first electrode (26) and the piezoelectric transducer (24) are arranged to be out of contact with each other.

Abstract: An electronically controlled scent producing element (800) constituted of: a plate (860) exhibiting a plurality of perforations extending from a first face of the plate to a second face of the plate opposing the first face; a plurality of micro-plugs (870) juxtaposed with the plate (860), each of the plurality of micro-plugs (870) extending longitudinally from a base end to a tip end, and arranged to mate with one of the plurality of perforations; a translation mechanism in communication with one of the plate (820, 860) and the plurality of micro-plugs (870); and a vibrator in communication with at least one of the plate (820, 860) and the plurality of micro-plugs.

Abstract: A coating dispensing device includes a trigger assembly for actuating the coating dispensing device to dispense coating material and a nozzle through which the coating material is dispensed. The device further includes a first port adapted to supply compressed gas to the coating dispensing device and a second port adapted to supply coating material to the coating dispensing device. The device further includes a multi-phase generator having a shaft. A turbine wheel is mounted on the shaft. Compressed gas coupled to the first port impinges upon the turbine wheel to spin the shaft, producing multi-phase voltage. The device further includes an electrode adjacent the nozzle and coupled to the multi-phase generator to receive electricity therefrom to electrostatically charge the coating material.

Abstract: The electrostatic atomizing device includes a discharge electrode, an opposed electrode, and a voltage application device. The voltage application device is configured to apply a voltage between the discharge electrode and the opposed electrode so as to atomizing a liquid supplied to the discharge electrode. The electrostatic atomizing device further includes a reduced water provision device configured to supply reduced water as the above liquid to the discharge electrode.

Abstract: An atomizer including an air motor and a rotary atomizing head is mounted in a front side of a housing member, outer surfaces of which are covered in a cover member. Further, a high voltage discharge electrode assembly is provided around a front side of the housing member, with an outer periphery of the cover member circumvented by a blade ring of the high voltage discharge electrode assembly. An edge portion in the shape of a thin blade is provided at a projected rear end of the blade ring. Thus, an electric field is concentrated at the edge portion to induce a corona discharge on and around the entire blade ring.

Abstract: An electrostatic spraying device comprises a capillary spray electrode having a spraying end, a reference electrode, and a reservoir in fluid communication with the spray electrode. In use, the electrodes are connected across a generator in order to establish an electric field between the electrodes and cause fluid in the reservoir to be sprayed from the spray electrode. The spray electrode has a focus that defines a point at which the electric field is focused on the spraying end.

Abstract: An electrostatically atomizing device includes a housing and an electrostatically atomizing unit disposed within the housing. The atomizing unit includes an emitter electrode and an heat exchanger. The heat exchanger cools the emitter electrode to develop condensed water. A high voltage is applied to the emitter electrode in order to electrostatically atomizing the condensed water and generate a mist of charged minute water particles. The housing accommodates a fan generating an air flow accelerating a heat radiation of the heat exchanger, and a high voltage source generating the high voltage applied to the emitter electrode. The heat exchanger has its heat radiator section exposed to a flow passage of the air flow. The atomizing unit is formed with an air inlet for introducing the air flow which carries the mist of the charged minute water particles and release the mist. The atomizing unit and the high voltage source are arranged on opposite sides of the flow passage.

Abstract: An electrostatic atomizing device is provided, which is capable of increasing the generation of a fine mist, while suppressing abnormal discharge and the generation of ozone. This electrostatic atomizing device is equipped with a plurality of atomizing electrodes, to which a high voltage is applied by a single high voltage generating circuit, counter electrodes disposed so as to face the atomizing electrodes; and a liquid transfer means for transferring a liquid (e.g., water) to each of the atomizing electrodes. The atomizing electrodes are connected in parallel to the high voltage generating circuit, and a resistive element for suppressing discharge current is inserted between the high voltage generating circuit and each of the atomizing electrodes.

Abstract: An electrostatic spraying device comprises a capillary spray electrode having a spraying end, a reference electrode, and a reservoir in fluid communication with the spray electrode. In use, the electrodes are connected across a generator in order to establish an electric field between the electrodes and cause fluid in the reservoir to be sprayed from the spray electrode. The spray electrode has a focus that defines a point at which the electric field is focussed on the spraying end.

Abstract: Method and apparatus for producing salt aerosol, suitable for treating respiratory diseases, the apparatus including a ventilator, a delivery pipeline connected to the output of the ventilator, the pipeline being connected to a throat for entering ground salt containing NaCl salt into the air streaming in the delivery pipeline for producing aerosol as a mixture of salt and air. The pipeline section is between the output of ventilator and the pipeline connection to throat the delivery pipeline is provided with a heating device and at the output of the delivery pipeline a collisional-ionization arrangement is placed.

Abstract: A rotary atomizer (1) has a rotary atomizing head (4) driven by an air motor (2) at a rotational speed of 4,000˜5,000 rpm, for example. A coating material is supplied to a central portion of the rotary atomizing head (4) through a paint supply pipe (5). The atomizer (1) further includes a supersonic horn (6) having a vibration plane (6a) located adjacent to the outer circumferential perimeter of the rotary atomizing head (4). The vibration plane (6a) is an inclined plane gradually increasing its diameter forward. The coating material immediately after spattered from the outer circumferential perimeter of the rotary atomizing head (4) is exposed to supersonic vibration from the vibration plane (6a), and it is atomized by the supersonic vibration to particles of a uniform grain size. At the same time, the atomized coating material is driven forward.

Abstract: A liquid jetting apparatus (50) to jet a droplet of a charged liquid solution onto a base material, having: a nozzle (51) in which an edge portion thereof is arranged to face the base material K having a receiving surface to receive the jetted droplet, and an inside diameter of the edge portion from which the droplet is jetted is not more than 30 [?m]; and a liquid solution supplying section (35) to supply the liquid solution into the nozzle (51), wherein a jetting electrode (58) of the jetting voltage applying section (35) is provided on a back end portion side of the nozzle, and an inside passage length of the nozzle is set to at least not less than ten times of the inside diameter.

Abstract: A liquid jetting apparatus (20) to jet a droplet of a charged liquid solution onto a base material, having: a nozzle (21) in which an edge portion thereof is arranged to face the base material K having a receiving surface to receive the jetted droplet, and an inside diameter of the edge portion from which the droplet is jetted is not more than 30 [?m]; a liquid solution supplying section (29) to supply the liquid solution into the nozzle (21); a jetting voltage applying section (25) to apply a jetting voltage to the liquid solution in the nozzle (21); and a convex meniscus forming section (40) to form a state where the liquid solution in the nozzle (21) protrudes from the nozzle edge portion.

Abstract: A powder coating gun with an internal fan and a quick-change powder cartridge. Pressurized air generated by the fan entrains the powder coating material from the powder cartridge and the entrained powder coating material is charged in the ionizing field created by an emitter. The replaceable cartridge contains an inlet line and an outlet line oriented in a manner that allows the powder gun to be positioned in different angles and orientations with minimal risk of a powder spill from the powder coating gun. The powder cartridge contains a lid for supporting an inlet line and a body part constructed of clear or translucent material that allows the user to easily view the color of the powder. An electric power supply is used to power the fan and the emitter. A trigger is present in the handle of the powder coating gun and both controls the speed of the fan and enables the charge to the emitter.

Abstract: Apparatus for the electrostatic powder paint spray coating of substrates, such as automotive vehicles, is provided. The apparatus includes modular applicators which are mountable into a programmable, robotically controlled housing. The modular applicators are switchable into and out of an operational mode on command, to facilitate different optimal coating procedures for coating differing surfaces, ranging from large, open surfaces to smaller, highly irregular substrate surfaces. The applicator heads may be spatially switchable on command from, for example, a bell cup spray applicator to a spray gun applicator. Flow control to each applicator is preferably enhanced using selectable pneumatically controlled pinch valves.

Abstract: In a vibrator unit, a plurality of piezoelectric vibrators are arranged on a base member in a cantilevered manner. A case is formed with a housing space having a bonding area at which a first inner portion of the housing space and a first face of the base member are opposed with a gap. At least one adhesive inlet, from which an adhesive is poured, communicates with the bonding area. At least one air outlet, from which air remaining in the bonding area is expelled as the poured adhesive fills the gap is provided.

Abstract: An electrostatic coating system having a rotary atomizing device formed of a non-conductive body member having an opening in an outer end thereof, a semiconductive member is disposed on a side portion of the body member, a first lip devoid of the semiconductive member is disposed about the opening of the body member proximate the outer end thereof, and a second lip is disposed radially outwardly of the first lip, between the first lip and the inner end of the body member.

Abstract: An electrostatic liquid applicator; such as an oscillating disk paint gun, for spraying a liquid coating material such as paint or the like onto the surfaces of a wide variety of types of articles. The electrostatic liquid applicator includes a stationary bell, an oscillating drive shaft extending through the stationary bell and which is rotatably driven by an air-controlled drive system. An oscillating disk is fixedly mounted on the drive shaft towards the front side of the stationary bell so as to form a spray slot in a liquid plenum in cooperation with the front side of the stationary bell. The drive system includes a body portion which is located at the rear side of the stationary bell, and includes air supply ports and air exhaust ports and forms a sealed space with the rear side of the stationary bell. A drive member projects radially into this space and is anchored to the drive shaft for pivoting the latter between two end positions which are defined within a predetermined angle.